diff options
Diffstat (limited to 'drivers/usb')
658 files changed, 3984 insertions, 8691 deletions
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 939a63bca82f..f699abab1787 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -77,11 +77,12 @@ config USB_PCI depends on PCI default y ---help--- - A lot of embeded system SOC (e.g. freescale T2080) have both - PCI and USB modules. But USB module is controlled by registers - directly, it have no relationship with PCI module. + Many embedded system SOCs (e.g. freescale T2080) have both + PCI and USB modules with the USB module directly controlled by + registers and having no relationship to the PCI module. - When say N here it will not build PCI related code in USB driver. + If you have such a device you may say N here and PCI related code + will not be built in the USB driver. if USB diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index 5160a4a966b3..6470d259b7d8 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /****************************************************************************** * cxacru.c - driver for USB ADSL modems based on * Conexant AccessRunner chipset @@ -6,21 +7,6 @@ * Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru) * Copyright (C) 2007 Simon Arlott * Copyright (C) 2009 Simon Arlott - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * ******************************************************************************/ /* @@ -424,6 +410,7 @@ static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev, case CXPOLL_STOPPING: /* abort stop request */ instance->poll_state = CXPOLL_POLLING; + /* fall through */ case CXPOLL_POLLING: case CXPOLL_SHUTDOWN: /* don't start polling */ @@ -570,10 +557,8 @@ static int cxacru_start_wait_urb(struct urb *urb, struct completion *done, { struct timer_list timer; - init_timer(&timer); + setup_timer(&timer, cxacru_timeout_kill, (unsigned long)urb); timer.expires = jiffies + msecs_to_jiffies(CMD_TIMEOUT); - timer.data = (unsigned long) urb; - timer.function = cxacru_timeout_kill; add_timer(&timer); wait_for_completion(done); del_timer_sync(&timer); @@ -797,6 +782,7 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance, case CXPOLL_STOPPING: /* abort stop request */ instance->poll_state = CXPOLL_POLLING; + /* fall through */ case CXPOLL_POLLING: case CXPOLL_SHUTDOWN: /* don't start polling */ diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index 3676adb40d89..5a5e8c0aaa39 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /****************************************************************************** * speedtch.c - Alcatel SpeedTouch USB xDSL modem driver * @@ -6,21 +7,6 @@ * Copyright (C) 2004, David Woodhouse * * Based on "modem_run.c", copyright (C) 2001, Benoit Papillault - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * ******************************************************************************/ #include <asm/page.h> @@ -874,16 +860,13 @@ static int speedtch_bind(struct usbatm_data *usbatm, usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0); INIT_WORK(&instance->status_check_work, speedtch_check_status); - init_timer(&instance->status_check_timer); - - instance->status_check_timer.function = speedtch_status_poll; - instance->status_check_timer.data = (unsigned long)instance; + setup_timer(&instance->status_check_timer, speedtch_status_poll, + (unsigned long)instance); instance->last_status = 0xff; instance->poll_delay = MIN_POLL_DELAY; - init_timer(&instance->resubmit_timer); - instance->resubmit_timer.function = speedtch_resubmit_int; - instance->resubmit_timer.data = (unsigned long)instance; + setup_timer(&instance->resubmit_timer, speedtch_resubmit_int, + (unsigned long)instance); instance->int_urb = usb_alloc_urb(0, GFP_KERNEL); diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index ba7616395db2..ab75690044bb 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /*- * Copyright (c) 2003, 2004 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved. diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index 8607af758bbd..044264aa1f96 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /****************************************************************************** * usbatm.c - Generic USB xDSL driver core * * Copyright (C) 2001, Alcatel * Copyright (C) 2003, Duncan Sands, SolNegro, Josep Comas * Copyright (C) 2004, David Woodhouse, Roman Kagan - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * ******************************************************************************/ /* diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h index f3eecd967a8a..d3bdc4cc47aa 100644 --- a/drivers/usb/atm/usbatm.h +++ b/drivers/usb/atm/usbatm.h @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /****************************************************************************** * usbatm.h - Generic USB xDSL driver core * * Copyright (C) 2001, Alcatel * Copyright (C) 2003, Duncan Sands, SolNegro, Josep Comas * Copyright (C) 2004, David Woodhouse - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * ******************************************************************************/ #ifndef _USBATM_H_ diff --git a/drivers/usb/atm/xusbatm.c b/drivers/usb/atm/xusbatm.c index c73c1ec3005e..ffc9810070a3 100644 --- a/drivers/usb/atm/xusbatm.c +++ b/drivers/usb/atm/xusbatm.c @@ -1,22 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /****************************************************************************** * xusbatm.c - dumb usbatm-based driver for modems initialized in userspace * * Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * ******************************************************************************/ #include <linux/module.h> diff --git a/drivers/usb/c67x00/Makefile b/drivers/usb/c67x00/Makefile index da5f314a5de0..0cde62d06e5d 100644 --- a/drivers/usb/c67x00/Makefile +++ b/drivers/usb/c67x00/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Cypress C67X00 USB Controller # diff --git a/drivers/usb/c67x00/c67x00-drv.c b/drivers/usb/c67x00/c67x00-drv.c index 5796c8820514..53838e7d4eef 100644 --- a/drivers/usb/c67x00/c67x00-drv.c +++ b/drivers/usb/c67x00/c67x00-drv.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * c67x00-drv.c: Cypress C67X00 USB Common infrastructure * * Copyright (C) 2006-2008 Barco N.V. * Derived from the Cypress cy7c67200/300 ezusb linux driver and * based on multiple host controller drivers inside the linux kernel. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ /* diff --git a/drivers/usb/c67x00/c67x00-hcd.c b/drivers/usb/c67x00/c67x00-hcd.c index 30d3f346686e..c39eee17c0e4 100644 --- a/drivers/usb/c67x00/c67x00-hcd.c +++ b/drivers/usb/c67x00/c67x00-hcd.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * c67x00-hcd.c: Cypress C67X00 USB Host Controller Driver * * Copyright (C) 2006-2008 Barco N.V. * Derived from the Cypress cy7c67200/300 ezusb linux driver and * based on multiple host controller drivers inside the linux kernel. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #include <linux/device.h> diff --git a/drivers/usb/c67x00/c67x00-hcd.h b/drivers/usb/c67x00/c67x00-hcd.h index cf8a455a6403..3b181d4c7a03 100644 --- a/drivers/usb/c67x00/c67x00-hcd.h +++ b/drivers/usb/c67x00/c67x00-hcd.h @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * c67x00-hcd.h: Cypress C67X00 USB HCD * * Copyright (C) 2006-2008 Barco N.V. * Derived from the Cypress cy7c67200/300 ezusb linux driver and * based on multiple host controller drivers inside the linux kernel. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #ifndef _USB_C67X00_HCD_H diff --git a/drivers/usb/c67x00/c67x00-ll-hpi.c b/drivers/usb/c67x00/c67x00-ll-hpi.c index b58151841e10..e1fe3603140a 100644 --- a/drivers/usb/c67x00/c67x00-ll-hpi.c +++ b/drivers/usb/c67x00/c67x00-ll-hpi.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * c67x00-ll-hpi.c: Cypress C67X00 USB Low level interface using HPI * * Copyright (C) 2006-2008 Barco N.V. * Derived from the Cypress cy7c67200/300 ezusb linux driver and * based on multiple host controller drivers inside the linux kernel. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #include <asm/byteorder.h> diff --git a/drivers/usb/c67x00/c67x00-sched.c b/drivers/usb/c67x00/c67x00-sched.c index 7311ed61e99a..633c52de3bb3 100644 --- a/drivers/usb/c67x00/c67x00-sched.c +++ b/drivers/usb/c67x00/c67x00-sched.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * c67x00-sched.c: Cypress C67X00 USB Host Controller Driver - TD scheduling * * Copyright (C) 2006-2008 Barco N.V. * Derived from the Cypress cy7c67200/300 ezusb linux driver and * based on multiple host controller drivers inside the linux kernel. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #include <linux/kthread.h> @@ -966,13 +952,11 @@ static void c67x00_handle_successful_td(struct c67x00_hcd *c67x00, static void c67x00_handle_isoc(struct c67x00_hcd *c67x00, struct c67x00_td *td) { struct urb *urb = td->urb; - struct c67x00_urb_priv *urbp; int cnt; if (!urb) return; - urbp = urb->hcpriv; cnt = td->privdata; if (td->status & TD_ERROR_MASK) diff --git a/drivers/usb/c67x00/c67x00.h b/drivers/usb/c67x00/c67x00.h index a26e9ded0f32..7ce10928b037 100644 --- a/drivers/usb/c67x00/c67x00.h +++ b/drivers/usb/c67x00/c67x00.h @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * c67x00.h: Cypress C67X00 USB register and field definitions * * Copyright (C) 2006-2008 Barco N.V. * Derived from the Cypress cy7c67200/300 ezusb linux driver and * based on multiple host controller drivers inside the linux kernel. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301 USA. */ #ifndef _USB_C67X00_H diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index 51f4157bbecf..785f0ed037f7 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -9,7 +9,7 @@ config USB_CHIPIDEA Dual-role switch (ID, OTG FSM, sysfs), Host-only, and Peripheral-only. - When compiled dynamically, the module will be called ci-hdrc.ko. + When compiled dynamically, the module will be called ci_hdrc.ko. if USB_CHIPIDEA diff --git a/drivers/usb/chipidea/bits.h b/drivers/usb/chipidea/bits.h index e462f55c8b99..98da99510be7 100644 --- a/drivers/usb/chipidea/bits.h +++ b/drivers/usb/chipidea/bits.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bits.h - register bits of the ChipIdea USB IP core * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DRIVERS_USB_CHIPIDEA_BITS_H diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h index 6743f85b1b7a..98b7cb3d0064 100644 --- a/drivers/usb/chipidea/ci.h +++ b/drivers/usb/chipidea/ci.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ci.h - common structures, functions, and macros of the ChipIdea driver * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DRIVERS_USB_CHIPIDEA_CI_H diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 5f4a8157fad8..3b45c25f296e 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -1,14 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2012 Freescale Semiconductor, Inc. * Copyright (C) 2012 Marek Vasut <marex@denx.de> * on behalf of DENX Software Engineering GmbH - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html */ #include <linux/module.h> diff --git a/drivers/usb/chipidea/ci_hdrc_imx.h b/drivers/usb/chipidea/ci_hdrc_imx.h index d666c9f036ba..204275f47573 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.h +++ b/drivers/usb/chipidea/ci_hdrc_imx.h @@ -1,12 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2012 Freescale Semiconductor, Inc. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html */ #ifndef __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c index bb626120296f..3593ce0ec641 100644 --- a/drivers/usb/chipidea/ci_hdrc_msm.c +++ b/drivers/usb/chipidea/ci_hdrc_msm.c @@ -1,9 +1,5 @@ -/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - */ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. */ #include <linux/module.h> #include <linux/platform_device.h> diff --git a/drivers/usb/chipidea/ci_hdrc_pci.c b/drivers/usb/chipidea/ci_hdrc_pci.c index 39414e4b2d81..49a61549cee6 100644 --- a/drivers/usb/chipidea/ci_hdrc_pci.c +++ b/drivers/usb/chipidea/ci_hdrc_pci.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ci_hdrc_pci.c - MIPS USB IP core family device controller * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/platform_device.h> diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c index bfcee2702d50..7b65a1040d2c 100644 --- a/drivers/usb/chipidea/ci_hdrc_tegra.c +++ b/drivers/usb/chipidea/ci_hdrc_tegra.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2016, NVIDIA Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. */ #include <linux/clk.h> diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c index 99425db9ba62..c044fba463e4 100644 --- a/drivers/usb/chipidea/ci_hdrc_usb2.c +++ b/drivers/usb/chipidea/ci_hdrc_usb2.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014 Marvell Technology Group Ltd. * * Antoine Tenart <antoine.tenart@free-electrons.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/clk.h> diff --git a/drivers/usb/chipidea/ci_hdrc_zevio.c b/drivers/usb/chipidea/ci_hdrc_zevio.c index 1264de505527..e1634da4a4b1 100644 --- a/drivers/usb/chipidea/ci_hdrc_zevio.c +++ b/drivers/usb/chipidea/ci_hdrc_zevio.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2, as - * published by the Free Software Foundation. - * * Based off drivers/usb/chipidea/ci_hdrc_msm.c - * */ #include <linux/module.h> diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 43ea5fb87b9a..dd2dd9391bb7 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * core.c - ChipIdea USB IP core family device controller * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ /* diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 18cb8e46262d..19d60ed7e41f 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -1,22 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * host.c - ChipIdea USB host controller driver * * Copyright (c) 2012 Intel Corporation * * Author: Alexander Shishkin - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index 10236fe71522..db4ceffcf2a6 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * otg.c - ChipIdea USB IP core OTG driver * * Copyright (C) 2013 Freescale Semiconductor, Inc. * * Author: Peter Chen - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ /* diff --git a/drivers/usb/chipidea/otg.h b/drivers/usb/chipidea/otg.h index 9ecb598e48f0..7e7428e48bfa 100644 --- a/drivers/usb/chipidea/otg.h +++ b/drivers/usb/chipidea/otg.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2013-2014 Freescale Semiconductor, Inc. * * Author: Peter Chen - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DRIVERS_USB_CHIPIDEA_OTG_H diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c index 5ea0246f650d..9e2d300060bc 100644 --- a/drivers/usb/chipidea/otg_fsm.c +++ b/drivers/usb/chipidea/otg_fsm.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * otg_fsm.c - ChipIdea USB IP core OTG FSM driver * * Copyright (C) 2014 Freescale Semiconductor, Inc. * * Author: Jun Li - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ /* diff --git a/drivers/usb/chipidea/otg_fsm.h b/drivers/usb/chipidea/otg_fsm.h index 6366fe398ba6..2b49d29bf2fb 100644 --- a/drivers/usb/chipidea/otg_fsm.h +++ b/drivers/usb/chipidea/otg_fsm.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014 Freescale Semiconductor, Inc. * * Author: Jun Li - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DRIVERS_USB_CHIPIDEA_OTG_FSM_H diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index fe8a90543ea3..9852ec5e6e01 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * udc.c - ChipIdea UDC driver * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/delay.h> @@ -1526,6 +1523,10 @@ static int ci_udc_vbus_session(struct usb_gadget *_gadget, int is_active) gadget_ready = 1; spin_unlock_irqrestore(&ci->lock, flags); + if (ci->usb_phy) + usb_phy_set_charger_state(ci->usb_phy, is_active ? + USB_CHARGER_PRESENT : USB_CHARGER_ABSENT); + if (gadget_ready) { if (is_active) { pm_runtime_get_sync(&_gadget->dev); diff --git a/drivers/usb/chipidea/udc.h b/drivers/usb/chipidea/udc.h index 2ecd1174d66c..e023735d94b7 100644 --- a/drivers/usb/chipidea/udc.h +++ b/drivers/usb/chipidea/udc.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * udc.h - ChipIdea UDC structures * * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved. * * Author: David Lopo - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __DRIVERS_USB_CHIPIDEA_UDC_H diff --git a/drivers/usb/chipidea/ulpi.c b/drivers/usb/chipidea/ulpi.c index 1219583dc1b2..6da42dcd2888 100644 --- a/drivers/usb/chipidea/ulpi.c +++ b/drivers/usb/chipidea/ulpi.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2016 Linaro Ltd. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/device.h> diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index 9f4a0185dd60..8cdf0af156c6 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -1,12 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2012 Freescale Semiconductor, Inc. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html */ #include <linux/module.h> diff --git a/drivers/usb/class/Makefile b/drivers/usb/class/Makefile index 32e85277b5cf..5d393a28f7f2 100644 --- a/drivers/usb/class/Makefile +++ b/drivers/usb/class/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for USB Class drivers # (one step up from the misc category) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 18c923a4c16e..8e0636c963a7 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * cdc-acm.c * @@ -12,20 +13,6 @@ * USB Abstract Control Model driver for USB modems and ISDN adapters * * Sponsored by SuSE - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #undef DEBUG diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index fbaa2a90d25d..6c181a625daf 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * cdc-wdm.c * diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index fb87c17ed6fa..c454885ef4a0 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * usblp.c * @@ -31,22 +32,6 @@ * none - Maintained in Linux kernel after v0.13 */ -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched/signal.h> diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 6ebfabfa0dc7..0b8b0f3bdd2f 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1,22 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /** * drivers/usb/class/usbtmc.c - USB Test & Measurement class driver * * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany * Copyright (C) 2008 Novell, Inc. * Copyright (C) 2008 Greg Kroah-Hartman <gregkh@suse.de> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * The GNU General Public License is available at - * http://www.gnu.org/copyleft/gpl.html. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -1343,6 +1331,7 @@ static void usbtmc_interrupt(struct urb *urb) case -EOVERFLOW: dev_err(dev, "overflow with length %d, actual length is %d\n", data->iin_wMaxPacketSize, urb->actual_length); + /* fall through */ case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c index 552ff7ac5a6b..50a2362ed3ea 100644 --- a/drivers/usb/common/common.c +++ b/drivers/usb/common/common.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Provides code common for host and device side USB. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - * * If either host side (ie. CONFIG_USB=y) or device side USB stack * (ie. CONFIG_USB_GADGET=y) is compiled in the kernel, this module is * compiled-in as well. Otherwise, if either of the two stacks is diff --git a/drivers/usb/common/led.c b/drivers/usb/common/led.c index df23da00a901..7bd81166b77d 100644 --- a/drivers/usb/common/led.c +++ b/drivers/usb/common/led.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * LED Triggers for USB Activity * * Copyright 2014 Michal Sojka <sojka@merica.cz> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/module.h> diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c index 4aa5195db8ea..8b351444cc40 100644 --- a/drivers/usb/common/ulpi.c +++ b/drivers/usb/common/ulpi.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * ulpi.c - USB ULPI PHY bus * * Copyright (C) 2015 Intel Corporation * * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/ulpi/interface.h> diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c index b8fe31e409a5..3740cf95560e 100644 --- a/drivers/usb/common/usb-otg-fsm.c +++ b/drivers/usb/common/usb-otg-fsm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * OTG Finite State Machine from OTG spec * @@ -5,20 +6,6 @@ * * Author: Li Yang <LeoLi@freescale.com> * Jerry Huang <Chang-Ming.Huang@freescale.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index b64568cf572c..77eef8acff94 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * DMA memory management for framework level HCD code (hc_driver) * @@ -5,7 +6,6 @@ * and should work with all USB controllers, regardless of bus type. * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/module.h> diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 883549ee946c..da8acd980fc6 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -1,6 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/usb.h> diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 55dea2e7828f..c2cf62b7043a 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * devices.c * (C) Copyright 1999 Randy Dunlap. @@ -5,20 +6,6 @@ * (proc file per device) * (C) Copyright 1999 Deti Fliegl (new USB architecture) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * ************************************************************* * * <mountpoint>/devices contains USB topology, device, config, class, diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 4ae667d8c238..705c573d0257 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /*****************************************************************************/ /* @@ -5,20 +6,6 @@ * * Copyright (C) 1999-2000 Thomas Sailer (sailer@ife.ee.ethz.ch) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * * This file implements the usbfs/x/y files, where * x is the bus number and y the device number. * @@ -1833,6 +1820,18 @@ static int proc_unlinkurb(struct usb_dev_state *ps, void __user *arg) return 0; } +static void compute_isochronous_actual_length(struct urb *urb) +{ + unsigned int i; + + if (urb->number_of_packets > 0) { + urb->actual_length = 0; + for (i = 0; i < urb->number_of_packets; i++) + urb->actual_length += + urb->iso_frame_desc[i].actual_length; + } +} + static int processcompl(struct async *as, void __user * __user *arg) { struct urb *urb = as->urb; @@ -1840,6 +1839,7 @@ static int processcompl(struct async *as, void __user * __user *arg) void __user *addr = as->userurb; unsigned int i; + compute_isochronous_actual_length(urb); if (as->userbuffer && urb->actual_length) { if (copy_urb_data_to_user(as->userbuffer, urb)) goto err_out; @@ -2008,6 +2008,7 @@ static int processcompl_compat(struct async *as, void __user * __user *arg) void __user *addr = as->userurb; unsigned int i; + compute_isochronous_actual_length(urb); if (as->userbuffer && urb->actual_length) { if (copy_urb_data_to_user(as->userbuffer, urb)) return -EFAULT; diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index eb87a259d55c..64262a9a8829 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/driver.c - most of the driver model stuff for usb * @@ -16,7 +17,6 @@ * (C) Copyright Greg Kroah-Hartman 2002-2003 * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 * * NOTE! This is not actually a driver at all, rather this is * just a collection of helper routines that implement the @@ -1340,8 +1340,8 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg) int err; u16 devstat; - err = usb_get_status(udev, USB_RECIP_DEVICE, 0, - &devstat); + err = usb_get_std_status(udev, USB_RECIP_DEVICE, 0, + &devstat); if (err) { dev_err(&udev->dev, "Failed to suspend device, error %d\n", @@ -1461,6 +1461,7 @@ static void choose_wakeup(struct usb_device *udev, pm_message_t msg) int usb_suspend(struct device *dev, pm_message_t msg) { struct usb_device *udev = to_usb_device(dev); + int r; unbind_no_pm_drivers_interfaces(udev); @@ -1469,7 +1470,14 @@ int usb_suspend(struct device *dev, pm_message_t msg) * so we may still need to unbind and rebind upon resume */ choose_wakeup(udev, msg); - return usb_suspend_both(udev, msg); + r = usb_suspend_both(udev, msg); + if (r) + return r; + + if (udev->quirks & USB_QUIRK_DISCONNECT_SUSPEND) + usb_port_disable(udev); + + return 0; } /* The device lock is held by the PM core */ diff --git a/drivers/usb/core/endpoint.c b/drivers/usb/core/endpoint.c index a60bc830a056..1c2c04079676 100644 --- a/drivers/usb/core/endpoint.c +++ b/drivers/usb/core/endpoint.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/core/endpoint.c * @@ -6,7 +7,6 @@ * (C) Copyright 2006 Novell Inc. * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 * * Endpoint sysfs stuff */ diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 87ad6b6bfee8..65de6f73b672 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/core/file.c * @@ -14,7 +15,6 @@ * (C) Copyright Greg Kroah-Hartman 2002-2003 * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/module.h> diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index bd3e0c5a6db2..83c14dda6300 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/generic.c - generic driver for USB devices (not interfaces) * @@ -16,7 +17,6 @@ * (C) Copyright Greg Kroah-Hartman 2002-2003 * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/usb.h> diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index ea829ad798c0..66fe1b78d952 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright David Brownell 2000-2002 - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 75ad6718858c..19b5c4afeef2 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * (C) Copyright Linus Torvalds 1999 * (C) Copyright Johannes Erdfelt 1999-2001 @@ -6,20 +7,6 @@ * (C) Copyright Deti Fliegl 1999 * (C) Copyright Randy Dunlap 2000 * (C) Copyright David Brownell 2000-2002 - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/bcd.h> @@ -2558,9 +2545,7 @@ struct usb_hcd *__usb_create_hcd(const struct hc_driver *driver, hcd->self.bus_name = bus_name; hcd->self.uses_dma = (sysdev->dma_mask != NULL); - init_timer(&hcd->rh_timer); - hcd->rh_timer.function = rh_timer_func; - hcd->rh_timer.data = (unsigned long) hcd; + setup_timer(&hcd->rh_timer, rh_timer_func, (unsigned long)hcd); #ifdef CONFIG_PM INIT_WORK(&hcd->wakeup_work, hcd_resume_work); #endif diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index e9ce6bb0b22d..7ccdd3d4db84 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB hub driver. * @@ -7,7 +8,6 @@ * (C) Copyright 2001 Brad Hards (bhards@bigpond.net.au) * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/kernel.h> @@ -1482,7 +1482,7 @@ static int hub_configure(struct usb_hub *hub, /* power budgeting mostly matters with bus-powered hubs, * and battery-powered root hubs (may provide just 8 mA). */ - ret = usb_get_status(hdev, USB_RECIP_DEVICE, 0, &hubstatus); + ret = usb_get_std_status(hdev, USB_RECIP_DEVICE, 0, &hubstatus); if (ret) { message = "can't get hub status"; goto fail; @@ -3279,7 +3279,7 @@ static int finish_port_resume(struct usb_device *udev) */ if (status == 0) { devstatus = 0; - status = usb_get_status(udev, USB_RECIP_DEVICE, 0, &devstatus); + status = usb_get_std_status(udev, USB_RECIP_DEVICE, 0, &devstatus); /* If a normal resume failed, try doing a reset-resume */ if (status && !udev->reset_resume && udev->persist_enabled) { @@ -3303,7 +3303,7 @@ static int finish_port_resume(struct usb_device *udev) if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) status = usb_disable_remote_wakeup(udev); } else { - status = usb_get_status(udev, USB_RECIP_INTERFACE, 0, + status = usb_get_std_status(udev, USB_RECIP_INTERFACE, 0, &devstatus); if (!status && devstatus & (USB_INTRF_STAT_FUNC_RW_CAP | USB_INTRF_STAT_FUNC_RW)) @@ -4183,6 +4183,19 @@ static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) return ret; } +/* + * usb_port_disable - disable a usb device's upstream port + * @udev: device to disable + * Context: @udev locked, must be able to sleep. + * + * Disables a USB device that isn't in active use. + */ +int usb_port_disable(struct usb_device *udev) +{ + struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent); + + return hub_port_disable(hub, udev->portnum, 0); +} /* USB 2.0 spec, 7.1.7.3 / fig 7-29: * @@ -4853,7 +4866,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, && udev->bus_mA <= unit_load) { u16 devstat; - status = usb_get_status(udev, USB_RECIP_DEVICE, 0, + status = usb_get_std_status(udev, USB_RECIP_DEVICE, 0, &devstat); if (status) { dev_dbg(&udev->dev, "get status %d ?\n", status); diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h index 34c1a7e22aae..2a700ccc868c 100644 --- a/drivers/usb/core/hub.h +++ b/drivers/usb/core/hub.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * usb hub driver head file * @@ -8,15 +9,6 @@ * Copyright (C) 2012 Intel Corp (tianyu.lan@intel.com) * * move struct usb_hub to this file. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. */ #include <linux/usb.h> diff --git a/drivers/usb/core/ledtrig-usbport.c b/drivers/usb/core/ledtrig-usbport.c index 1af877942110..9dbb429cd471 100644 --- a/drivers/usb/core/ledtrig-usbport.c +++ b/drivers/usb/core/ledtrig-usbport.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB port LED trigger * * Copyright (C) 2016 RafaÅ‚ MiÅ‚ecki <rafal@milecki.pl> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/device.h> diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 371a07d874a3..77001bcfc504 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1,8 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * message.c - synchronous message handling * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/pci.h> /* for scatterlist macros */ @@ -918,7 +918,8 @@ int usb_get_device_descriptor(struct usb_device *dev, unsigned int size) /** * usb_get_status - issues a GET_STATUS call * @dev: the device whose status is being checked - * @type: USB_RECIP_*; for device, interface, or endpoint + * @recip: USB_RECIP_*; for device, interface, or endpoint + * @type: USB_STATUS_TYPE_*; for standard or PTM status types * @target: zero (for device), else interface or endpoint number * @data: pointer to two bytes of bitmap data * Context: !in_interrupt () @@ -937,24 +938,58 @@ int usb_get_device_descriptor(struct usb_device *dev, unsigned int size) * Returns 0 and the status value in *@data (in host byte order) on success, * or else the status code from the underlying usb_control_msg() call. */ -int usb_get_status(struct usb_device *dev, int type, int target, void *data) +int usb_get_status(struct usb_device *dev, int recip, int type, int target, + void *data) { int ret; - __le16 *status = kmalloc(sizeof(*status), GFP_KERNEL); + void *status; + int length; + + switch (type) { + case USB_STATUS_TYPE_STANDARD: + length = 2; + break; + case USB_STATUS_TYPE_PTM: + if (recip != USB_RECIP_DEVICE) + return -EINVAL; + length = 4; + break; + default: + return -EINVAL; + } + + status = kmalloc(length, GFP_KERNEL); if (!status) return -ENOMEM; ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), - USB_REQ_GET_STATUS, USB_DIR_IN | type, 0, target, status, - sizeof(*status), USB_CTRL_GET_TIMEOUT); + USB_REQ_GET_STATUS, USB_DIR_IN | recip, USB_STATUS_TYPE_STANDARD, + target, status, length, USB_CTRL_GET_TIMEOUT); - if (ret == 2) { - *(u16 *) data = le16_to_cpu(*status); + switch (ret) { + case 4: + if (type != USB_STATUS_TYPE_PTM) { + ret = -EIO; + break; + } + + *(u32 *) data = le32_to_cpu(*(__le32 *) status); + ret = 0; + break; + case 2: + if (type != USB_STATUS_TYPE_STANDARD) { + ret = -EIO; + break; + } + + *(u16 *) data = le16_to_cpu(*(__le16 *) status); ret = 0; - } else if (ret >= 0) { + break; + default: ret = -EIO; } + kfree(status); return ret; } diff --git a/drivers/usb/core/notify.c b/drivers/usb/core/notify.c index b12a463a3e22..ab474b11523e 100644 --- a/drivers/usb/core/notify.c +++ b/drivers/usb/core/notify.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * All the USB notify logic * @@ -7,7 +8,6 @@ * but fixed up to not be so broken. * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c index 3863bb1ce8c5..2be968353257 100644 --- a/drivers/usb/core/of.c +++ b/drivers/usb/core/of.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * of.c The helpers for hcd device tree support * * Copyright (C) 2016 Freescale Semiconductor, Inc. * Author: Peter Chen <peter.chen@freescale.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/of.h> diff --git a/drivers/usb/core/otg_whitelist.h b/drivers/usb/core/otg_whitelist.h index 085049d37d7a..2ae90158ded7 100644 --- a/drivers/usb/core/otg_whitelist.h +++ b/drivers/usb/core/otg_whitelist.h @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * drivers/usb/core/otg_whitelist.h * * Copyright (C) 2004 Texas Instruments - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index 460c855be0d0..1a01e9ad3804 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * usb port device code * * Copyright (C) 2012 Intel Corp * * Author: Lan Tianyu <tianyu.lan@intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * */ #include <linux/slab.h> diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index a6aaf2f193a4..f1dbab6f798f 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB device quirk handling logic and table * * Copyright (c) 2007 Oliver Neukum * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation, version 2. - * - * */ #include <linux/usb.h> @@ -203,6 +198,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255 }, + /* Huawei 4G LTE module */ + { USB_DEVICE(0x12d1, 0x15bb), .driver_info = + USB_QUIRK_DISCONNECT_SUSPEND }, + { USB_DEVICE(0x12d1, 0x15c3), .driver_info = + USB_QUIRK_DISCONNECT_SUSPEND }, + /* SKYMEDI USB_DRIVE */ { USB_DEVICE(0x1516, 0x8628), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -221,6 +222,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Corsair Strafe RGB */ { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Corsair K70 LUX */ + { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, + /* MIDI keyboard WORLDE MINI */ { USB_DEVICE(0x1c75, 0x0204), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 58d59c5f8592..27bb34043053 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/core/sysfs.c * @@ -8,7 +9,6 @@ * All of the sysfs file attributes for usb devices and interfaces. * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ @@ -654,7 +654,8 @@ static int add_power_attributes(struct device *dev) if (udev->usb2_hw_lpm_capable == 1) rc = sysfs_merge_group(&dev->kobj, &usb2_hardware_lpm_attr_group); - if (udev->speed == USB_SPEED_SUPER && + if ((udev->speed == USB_SPEED_SUPER || + udev->speed == USB_SPEED_SUPER_PLUS) && udev->lpm_capable == 1) rc = sysfs_merge_group(&dev->kobj, &usb3_hardware_lpm_attr_group); diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 47903d510955..f501af0b3079 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -1,6 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/module.h> @@ -492,6 +492,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) if ((urb->interval < 6) && (xfertype == USB_ENDPOINT_XFER_INT)) return -EINVAL; + /* fall through */ default: if (urb->interval <= 0) return -EINVAL; diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index ef9cf4a21afe..84da17460568 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB-ACPI glue code * * Copyright 2012 Red Hat <mjg@redhat.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation, version 2. - * */ #include <linux/module.h> #include <linux/usb.h> diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 17681d5638ac..845286f08ab0 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/core/usb.c * @@ -13,7 +14,6 @@ * (C) Copyright Greg Kroah-Hartman 2002-2003 * * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 * * NOTE! This is not actually a driver at all, rather this is * just a collection of helper routines that implement the diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index dc6949248823..2bee08d084ae 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -1,6 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Released under the GPLv2 only. - * SPDX-License-Identifier: GPL-2.0 */ #include <linux/pm.h> @@ -73,6 +73,7 @@ extern void usb_hub_cleanup(void); extern int usb_major_init(void); extern void usb_major_cleanup(void); extern int usb_device_supports_lpm(struct usb_device *udev); +extern int usb_port_disable(struct usb_device *udev); #ifdef CONFIG_PM diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index 1b6612c2cdda..82a7d98c3436 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * core.c - DesignWare HS OTG Controller common routines * diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 8367d4f985c1..f66c94130cac 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * core.h - DesignWare HS OTG Controller common declarations * @@ -395,6 +396,9 @@ enum dwc2_ep0_state { * (default when phy_type is UTMI+ or ULPI) * 1 - 6 MHz * (default when phy_type is Full Speed) + * @oc_disable: Flag to disable overcurrent condition. + * 0 - Allow overcurrent condition to get detected + * 1 - Disable overcurrent condtion to get detected * @ts_dline: Enable Term Select Dline pulsing * 0 - No (default) * 1 - Yes @@ -492,6 +496,7 @@ struct dwc2_core_params { bool dma_desc_fs_enable; bool host_support_fs_ls_low_power; bool host_ls_low_power_phy_clk; + bool oc_disable; u8 host_channels; u16 host_rx_fifo_size; diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index b8bcb007c92a..ab3fa1630853 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * core_intr.c - DesignWare HS OTG Controller common interrupt handling * diff --git a/drivers/usb/dwc2/debug.h b/drivers/usb/dwc2/debug.h index 8222783e6822..6f23219c13cb 100644 --- a/drivers/usb/dwc2/debug.h +++ b/drivers/usb/dwc2/debug.h @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /** * debug.h - Designware USB2 DRD controller debug header * * Copyright (C) 2015 Intel Corporation * Mian Yousaf Kaukab <yousaf.kaukab@intel.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include "core.h" diff --git a/drivers/usb/dwc2/debugfs.c b/drivers/usb/dwc2/debugfs.c index 794b959a7c8c..f4650a88be78 100644 --- a/drivers/usb/dwc2/debugfs.c +++ b/drivers/usb/dwc2/debugfs.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /** * debugfs.c - Designware USB2 DRD controller debugfs * * Copyright (C) 2015 Intel Corporation * Mian Yousaf Kaukab <yousaf.kaukab@intel.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/spinlock.h> diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 0d8e09ccb59c..88529d092503 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * Copyright (c) 2011 Samsung Electronics Co., Ltd. * http://www.samsung.com @@ -8,10 +9,6 @@ * http://armlinux.simtec.co.uk/ * * S3C USB2.0 High-speed / OtG driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -3202,6 +3199,8 @@ void dwc2_hsotg_disconnect(struct dwc2_hsotg *hsotg) call_gadget(hsotg, disconnect); hsotg->lx_state = DWC2_L3; + + usb_gadget_set_state(&hsotg->gadget, USB_STATE_NOTATTACHED); } /** @@ -4004,6 +4003,11 @@ static int dwc2_hsotg_ep_disable(struct usb_ep *ep) return -EINVAL; } + if (hsotg->op_state != OTG_STATE_B_PERIPHERAL) { + dev_err(hsotg->dev, "%s: called in host mode?\n", __func__); + return -EINVAL; + } + epctrl_reg = dir_in ? DIEPCTL(index) : DOEPCTL(index); spin_lock_irqsave(&hsotg->lock, flags); diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index c2631145f404..69eb40cd1b47 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * hcd.c - DesignWare HS OTG Controller host-mode routines * @@ -213,6 +214,11 @@ static int dwc2_hs_phy_init(struct dwc2_hsotg *hsotg, bool select_phy) usbcfg &= ~(GUSBCFG_PHYIF16 | GUSBCFG_DDRSEL); if (hsotg->params.phy_ulpi_ddr) usbcfg |= GUSBCFG_DDRSEL; + + /* Set external VBUS indicator as needed. */ + if (hsotg->params.oc_disable) + usbcfg |= (GUSBCFG_ULPI_INT_VBUS_IND | + GUSBCFG_INDICATORPASSTHROUGH); break; case DWC2_PHY_TYPE_PARAM_UTMI: /* UTMI+ interface */ @@ -3277,7 +3283,6 @@ static void dwc2_conn_id_status_change(struct work_struct *work) dwc2_core_init(hsotg, false); dwc2_enable_global_interrupts(hsotg); spin_lock_irqsave(&hsotg->lock, flags); - dwc2_hsotg_disconnect(hsotg); dwc2_hsotg_core_init_disconnected(hsotg, false); spin_unlock_irqrestore(&hsotg->lock, flags); dwc2_hsotg_core_connect(hsotg); @@ -3296,8 +3301,12 @@ host: if (count > 250) dev_err(hsotg->dev, "Connection id status change timed out\n"); - hsotg->op_state = OTG_STATE_A_HOST; + spin_lock_irqsave(&hsotg->lock, flags); + dwc2_hsotg_disconnect(hsotg); + spin_unlock_irqrestore(&hsotg->lock, flags); + + hsotg->op_state = OTG_STATE_A_HOST; /* Initialize the Core for Host mode */ dwc2_core_init(hsotg, false); dwc2_enable_global_interrupts(hsotg); diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index 11c3c145b793..78e9e01051b5 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * hcd.h - DesignWare HS OTG Controller host-mode declarations * diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c index b8bdf545c3a7..28c8898b3b66 100644 --- a/drivers/usb/dwc2/hcd_ddma.c +++ b/drivers/usb/dwc2/hcd_ddma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * hcd_ddma.c - DesignWare HS OTG Controller descriptor DMA routines * diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c index 28a8210710b1..916d991b96b8 100644 --- a/drivers/usb/dwc2/hcd_intr.c +++ b/drivers/usb/dwc2/hcd_intr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * hcd_intr.c - DesignWare HS OTG Controller host-mode interrupt handling * diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c index 3ae8b1bbaa55..f472de238ac2 100644 --- a/drivers/usb/dwc2/hcd_queue.c +++ b/drivers/usb/dwc2/hcd_queue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * hcd_queue.c - DesignWare HS OTG Controller host queuing routines * diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h index 4592012c4743..2c906d8ee465 100644 --- a/drivers/usb/dwc2/hw.h +++ b/drivers/usb/dwc2/hw.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * hw.h - DesignWare HS OTG Controller hardware definitions * diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index a3ffe97170ff..ef73af6e03a9 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * Copyright (C) 2004-2016 Synopsys, Inc. * @@ -136,6 +137,15 @@ static void dwc2_set_stm32f4x9_fsotg_params(struct dwc2_hsotg *hsotg) p->activate_stm_fs_transceiver = true; } +static void dwc2_set_stm32f7xx_hsotg_params(struct dwc2_hsotg *hsotg) +{ + struct dwc2_core_params *p = &hsotg->params; + + p->host_rx_fifo_size = 622; + p->host_nperio_tx_fifo_size = 128; + p->host_perio_tx_fifo_size = 256; +} + const struct of_device_id dwc2_of_match_table[] = { { .compatible = "brcm,bcm2835-usb", .data = dwc2_set_bcm_params }, { .compatible = "hisilicon,hi6220-usb", .data = dwc2_set_his_params }, @@ -154,6 +164,8 @@ const struct of_device_id dwc2_of_match_table[] = { { .compatible = "st,stm32f4x9-fsotg", .data = dwc2_set_stm32f4x9_fsotg_params }, { .compatible = "st,stm32f4x9-hsotg" }, + { .compatible = "st,stm32f7xx-hsotg", + .data = dwc2_set_stm32f7xx_hsotg_params }, {}, }; MODULE_DEVICE_TABLE(of, dwc2_of_match_table); @@ -335,6 +347,9 @@ static void dwc2_get_device_properties(struct dwc2_hsotg *hsotg) num); } } + + if (of_find_property(hsotg->dev->of_node, "disable-over-current", NULL)) + p->oc_disable = true; } static void dwc2_check_param_otg_cap(struct dwc2_hsotg *hsotg) diff --git a/drivers/usb/dwc2/pci.c b/drivers/usb/dwc2/pci.c index fdeb8c7bf30a..3ecc951a1aea 100644 --- a/drivers/usb/dwc2/pci.c +++ b/drivers/usb/dwc2/pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * pci.c - DesignWare HS OTG Controller PCI driver * diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index daf0d37acb37..3e26550d13dd 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * platform.c - DesignWare HS OTG Controller platform driver * diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 03474d3575ab..07832509584f 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * core.c - DesignWare USB3 DRD Controller Core file * @@ -5,18 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/version.h> @@ -156,9 +145,8 @@ static void __dwc3_set_mode(struct work_struct *work) } else { if (dwc->usb2_phy) otg_set_vbus(dwc->usb2_phy->otg, true); - if (dwc->usb2_generic_phy) - phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_HOST); - + phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_HOST); + phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_HOST); } break; case DWC3_GCTL_PRTCAP_DEVICE: @@ -166,8 +154,8 @@ static void __dwc3_set_mode(struct work_struct *work) if (dwc->usb2_phy) otg_set_vbus(dwc->usb2_phy->otg, false); - if (dwc->usb2_generic_phy) - phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_DEVICE); + phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_DEVICE); + phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_DEVICE); ret = dwc3_gadget_init(dwc); if (ret) @@ -927,12 +915,13 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) switch (dwc->dr_mode) { case USB_DR_MODE_PERIPHERAL: + dwc->current_dr_role = DWC3_GCTL_PRTCAP_DEVICE; dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE); if (dwc->usb2_phy) otg_set_vbus(dwc->usb2_phy->otg, false); - if (dwc->usb2_generic_phy) - phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_DEVICE); + phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_DEVICE); + phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_DEVICE); ret = dwc3_gadget_init(dwc); if (ret) { @@ -942,12 +931,13 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) } break; case USB_DR_MODE_HOST: + dwc->current_dr_role = DWC3_GCTL_PRTCAP_HOST; dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_HOST); if (dwc->usb2_phy) otg_set_vbus(dwc->usb2_phy->otg, true); - if (dwc->usb2_generic_phy) - phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_HOST); + phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_HOST); + phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_HOST); ret = dwc3_host_init(dwc); if (ret) { @@ -1293,21 +1283,19 @@ static int dwc3_suspend_common(struct dwc3 *dwc) { unsigned long flags; - switch (dwc->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - case USB_DR_MODE_OTG: + switch (dwc->current_dr_role) { + case DWC3_GCTL_PRTCAP_DEVICE: spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_suspend(dwc); spin_unlock_irqrestore(&dwc->lock, flags); + dwc3_core_exit(dwc); break; - case USB_DR_MODE_HOST: + case DWC3_GCTL_PRTCAP_HOST: default: /* do nothing */ break; } - dwc3_core_exit(dwc); - return 0; } @@ -1316,18 +1304,17 @@ static int dwc3_resume_common(struct dwc3 *dwc) unsigned long flags; int ret; - ret = dwc3_core_init(dwc); - if (ret) - return ret; + switch (dwc->current_dr_role) { + case DWC3_GCTL_PRTCAP_DEVICE: + ret = dwc3_core_init(dwc); + if (ret) + return ret; - switch (dwc->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - case USB_DR_MODE_OTG: spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_resume(dwc); spin_unlock_irqrestore(&dwc->lock, flags); - /* FALLTHROUGH */ - case USB_DR_MODE_HOST: + break; + case DWC3_GCTL_PRTCAP_HOST: default: /* do nothing */ break; @@ -1338,7 +1325,7 @@ static int dwc3_resume_common(struct dwc3 *dwc) static int dwc3_runtime_checks(struct dwc3 *dwc) { - switch (dwc->dr_mode) { + switch (dwc->current_dr_role) { case USB_DR_MODE_PERIPHERAL: case USB_DR_MODE_OTG: if (dwc->connected) @@ -1381,19 +1368,17 @@ static int dwc3_runtime_resume(struct device *dev) if (ret) return ret; - switch (dwc->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - case USB_DR_MODE_OTG: + switch (dwc->current_dr_role) { + case DWC3_GCTL_PRTCAP_DEVICE: dwc3_gadget_process_pending_events(dwc); break; - case USB_DR_MODE_HOST: + case DWC3_GCTL_PRTCAP_HOST: default: /* do nothing */ break; } pm_runtime_mark_last_busy(dev); - pm_runtime_put(dev); return 0; } @@ -1402,13 +1387,12 @@ static int dwc3_runtime_idle(struct device *dev) { struct dwc3 *dwc = dev_get_drvdata(dev); - switch (dwc->dr_mode) { - case USB_DR_MODE_PERIPHERAL: - case USB_DR_MODE_OTG: + switch (dwc->current_dr_role) { + case DWC3_GCTL_PRTCAP_DEVICE: if (dwc3_runtime_checks(dwc)) return -EBUSY; break; - case USB_DR_MODE_HOST: + case DWC3_GCTL_PRTCAP_HOST: default: /* do nothing */ break; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index ea910acb4bb0..4a4a4c98508c 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * core.h - DesignWare USB3 DRD Core Header * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __DRIVERS_USB_DWC3_CORE_H @@ -529,6 +521,7 @@ struct dwc3_event_buffer { * @number: endpoint number (1 - 15) * @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK * @resource_index: Resource transfer index + * @frame_number: set to the frame number we want this transfer to start (ISOC) * @interval: the interval on which the ISOC transfer is started * @allocated_requests: number of requests allocated * @queued_requests: number of requests queued for transfer @@ -581,6 +574,7 @@ struct dwc3_ep { u8 resource_index; u32 allocated_requests; u32 queued_requests; + u32 frame_number; u32 interval; char name[20]; diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 5e9c070ec874..368f8e59219a 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * debug.h - DesignWare USB3 DRD Controller Debug Header * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __DWC3_DEBUG_H diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 4e09be80e59f..00e65530c81e 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * debugfs.c - DesignWare USB3 DRD Controller DebugFS file * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c index 2765c51c7ef5..cc8ab9a8e9d2 100644 --- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -1,21 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * drd.c - DesignWare USB3 DRD Controller Dual-role support * * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com * * Authors: Roger Quadros <rogerq@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/extcon.h> diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index e089df72f766..a94fb1ba8f2c 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * dwc3-exynos.c - Samsung EXYNOS DWC3 Specific Glue layer * @@ -5,15 +6,6 @@ * http://www.samsung.com * * Author: Anton Tikhomirov <av.tikhomirov@samsung.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c index d2ed9523e77c..193a9a88222a 100644 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ b/drivers/usb/dwc3/dwc3-keystone.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * dwc3-keystone.c - Keystone Specific Glue layer * * Copyright (C) 2010-2013 Texas Instruments Incorporated - http://www.ti.com * * Author: WingMan Kwok <w-kwok2@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c index a26d1fde0f5e..c4a4d7bd2766 100644 --- a/drivers/usb/dwc3/dwc3-of-simple.c +++ b/drivers/usb/dwc3/dwc3-of-simple.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * dwc3-of-simple.c - OF glue layer for simple integrations * @@ -5,15 +6,6 @@ * * Author: Felipe Balbi <balbi@ti.com> * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * This is a combination of the old dwc3-qcom.c by Ivan T. Ivanov * <iivanov@mm-sol.com> and the original patch adding support for Xilinx' SoC * by Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com> @@ -28,11 +20,13 @@ #include <linux/of.h> #include <linux/of_platform.h> #include <linux/pm_runtime.h> +#include <linux/reset.h> struct dwc3_of_simple { struct device *dev; struct clk **clks; int num_clocks; + struct reset_control *resets; }; static int dwc3_of_simple_clk_init(struct dwc3_of_simple *simple, int count) @@ -95,10 +89,21 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) platform_set_drvdata(pdev, simple); simple->dev = dev; + simple->resets = of_reset_control_array_get_optional_exclusive(np); + if (IS_ERR(simple->resets)) { + ret = PTR_ERR(simple->resets); + dev_err(dev, "failed to get device resets, err=%d\n", ret); + return ret; + } + + ret = reset_control_deassert(simple->resets); + if (ret) + goto err_resetc_put; + ret = dwc3_of_simple_clk_init(simple, of_count_phandle_with_args(np, "clocks", "#clock-cells")); if (ret) - return ret; + goto err_resetc_assert; ret = of_platform_populate(np, NULL, NULL, dev); if (ret) { @@ -107,7 +112,7 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) clk_put(simple->clks[i]); } - return ret; + goto err_resetc_assert; } pm_runtime_set_active(dev); @@ -115,6 +120,13 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) pm_runtime_get_sync(dev); return 0; + +err_resetc_assert: + reset_control_assert(simple->resets); + +err_resetc_put: + reset_control_put(simple->resets); + return ret; } static int dwc3_of_simple_remove(struct platform_device *pdev) @@ -123,12 +135,15 @@ static int dwc3_of_simple_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; int i; + of_platform_depopulate(dev); + for (i = 0; i < simple->num_clocks; i++) { clk_disable_unprepare(simple->clks[i]); clk_put(simple->clks[i]); } - of_platform_depopulate(dev); + reset_control_assert(simple->resets); + reset_control_put(simple->resets); pm_runtime_put_sync(dev); pm_runtime_disable(dev); diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 3530795bbb8f..a4719e853b85 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * dwc3-omap.c - OMAP Specific Glue layer * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 54343fbd85ee..3ba11136ebf0 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * dwc3-pci.c - PCI Specific glue layer * @@ -5,21 +6,13 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/pci.h> +#include <linux/workqueue.h> #include <linux/pm_runtime.h> #include <linux/platform_device.h> #include <linux/gpio/consumer.h> @@ -61,6 +54,7 @@ struct dwc3_pci { guid_t guid; unsigned int has_dsm_for_pm:1; + struct work_struct wakeup_work; }; static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; @@ -174,6 +168,22 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc) return 0; } +#ifdef CONFIG_PM +static void dwc3_pci_resume_work(struct work_struct *work) +{ + struct dwc3_pci *dwc = container_of(work, struct dwc3_pci, wakeup_work); + struct platform_device *dwc3 = dwc->dwc3; + int ret; + + ret = pm_runtime_get_sync(&dwc3->dev); + if (ret) + return; + + pm_runtime_mark_last_busy(&dwc3->dev); + pm_runtime_put_sync_autosuspend(&dwc3->dev); +} +#endif + static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) { @@ -232,6 +242,9 @@ static int dwc3_pci_probe(struct pci_dev *pci, device_init_wakeup(dev, true); pci_set_drvdata(pci, dwc); pm_runtime_put(dev); +#ifdef CONFIG_PM + INIT_WORK(&dwc->wakeup_work, dwc3_pci_resume_work); +#endif return 0; err: @@ -243,6 +256,9 @@ static void dwc3_pci_remove(struct pci_dev *pci) { struct dwc3_pci *dwc = pci_get_drvdata(pci); +#ifdef CONFIG_PM + cancel_work_sync(&dwc->wakeup_work); +#endif device_init_wakeup(&pci->dev, false); pm_runtime_get(&pci->dev); platform_device_unregister(dwc->dwc3); @@ -318,14 +334,15 @@ static int dwc3_pci_runtime_suspend(struct device *dev) static int dwc3_pci_runtime_resume(struct device *dev) { struct dwc3_pci *dwc = dev_get_drvdata(dev); - struct platform_device *dwc3 = dwc->dwc3; int ret; ret = dwc3_pci_dsm(dwc, PCI_INTEL_BXT_STATE_D0); if (ret) return ret; - return pm_runtime_get(&dwc3->dev); + queue_work(pm_wq, &dwc->wakeup_work); + + return 0; } #endif /* CONFIG_PM */ diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index 505676fd3ba4..16081383c401 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /** * dwc3-st.c Support for dwc3 platform devices on ST Microelectronics platforms * @@ -10,11 +11,6 @@ * Contributors: Aymen Bouattay <aymen.bouattay@st.com> * Peter Griffin <peter.griffin@linaro.org> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Inspired by dwc3-omap.c and dwc3-exynos.c. */ diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 75e6cb044eb2..fd3e7ad2eb0e 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ep0.c - DesignWare USB3 DRD Controller Endpoint 0 Handling * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> @@ -487,14 +479,10 @@ static int dwc3_ep0_handle_device(struct dwc3 *dwc, static int dwc3_ep0_handle_intf(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl, int set) { - enum usb_device_state state; u32 wValue; - u32 wIndex; int ret = 0; wValue = le16_to_cpu(ctrl->wValue); - wIndex = le16_to_cpu(ctrl->wIndex); - state = dwc->gadget.state; switch (wValue) { case USB_INTRF_FUNC_SUSPEND: @@ -517,14 +505,10 @@ static int dwc3_ep0_handle_endpoint(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl, int set) { struct dwc3_ep *dep; - enum usb_device_state state; u32 wValue; - u32 wIndex; int ret; wValue = le16_to_cpu(ctrl->wValue); - wIndex = le16_to_cpu(ctrl->wIndex); - state = dwc->gadget.state; switch (wValue) { case USB_ENDPOINT_HALT: @@ -551,10 +535,8 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, { u32 recip; int ret; - enum usb_device_state state; recip = ctrl->bRequestType & USB_RECIP_MASK; - state = dwc->gadget.state; switch (recip) { case USB_RECIP_DEVICE: @@ -712,12 +694,10 @@ static int dwc3_ep0_set_sel(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) struct dwc3_ep *dep; enum usb_device_state state = dwc->gadget.state; u16 wLength; - u16 wValue; if (state == USB_STATE_DEFAULT) return -EINVAL; - wValue = le16_to_cpu(ctrl->wValue); wLength = le16_to_cpu(ctrl->wLength); if (wLength != 6) { @@ -842,9 +822,6 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, struct usb_request *ur; struct dwc3_trb *trb; struct dwc3_ep *ep0; - unsigned maxp; - unsigned remaining_ur_length; - void *buf; u32 transferred = 0; u32 status; u32 length; @@ -871,11 +848,8 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, } ur = &r->request; - buf = ur->buf; - remaining_ur_length = ur->length; length = trb->size & DWC3_TRB_SIZE_MASK; - maxp = ep0->endpoint.maxpacket; transferred = ur->length - length; ur->actual += transferred; @@ -1001,7 +975,6 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, } else if (IS_ALIGNED(req->request.length, dep->endpoint.maxpacket) && req->request.length && req->request.zero) { u32 maxpacket; - u32 rem; ret = usb_gadget_map_request_by_dev(dwc->sysdev, &req->request, dep->number); @@ -1009,7 +982,6 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, return; maxpacket = dep->endpoint.maxpacket; - rem = req->request.length % maxpacket; /* prepare normal TRB */ dwc3_ep0_prepare_one_trb(dep, req->request.dma, diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index f064f1549333..981fd986cf82 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * gadget.c - DesignWare USB3 DRD Controller Gadget Framework Link * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> @@ -1151,9 +1143,6 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep) BUILD_BUG_ON_NOT_POWER_OF_2(DWC3_TRB_NUM); - if (!dwc3_calc_trbs_left(dep)) - return; - /* * We can get in a situation where there's a request in the started list * but there weren't enough TRBs to fully kick it in the first time @@ -1194,7 +1183,7 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep) } } -static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param) +static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep) { struct dwc3_gadget_ep_cmd_params params; struct dwc3_request *req; @@ -1202,6 +1191,9 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param) int ret; u32 cmd; + if (!dwc3_calc_trbs_left(dep)) + return 0; + starting = !(dep->flags & DWC3_EP_BUSY); dwc3_prepare_trbs(dep); @@ -1216,8 +1208,10 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param) if (starting) { params.param0 = upper_32_bits(req->trb_dma); params.param1 = lower_32_bits(req->trb_dma); - cmd = DWC3_DEPCMD_STARTTRANSFER | - DWC3_DEPCMD_PARAM(cmd_param); + cmd = DWC3_DEPCMD_STARTTRANSFER; + + if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) + cmd |= DWC3_DEPCMD_PARAM(dep->frame_number); } else { cmd = DWC3_DEPCMD_UPDATETRANSFER | DWC3_DEPCMD_PARAM(dep->resource_index); @@ -1258,8 +1252,6 @@ static int __dwc3_gadget_get_frame(struct dwc3 *dwc) static void __dwc3_gadget_start_isoc(struct dwc3 *dwc, struct dwc3_ep *dep, u32 cur_uf) { - u32 uf; - if (list_empty(&dep->pending_list)) { dev_info(dwc->dev, "%s: ran out of requests\n", dep->name); @@ -1271,9 +1263,8 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc, * Schedule the first trb for one interval in the future or at * least 4 microframes. */ - uf = cur_uf + max_t(u32, 4, dep->interval); - - __dwc3_gadget_kick_transfer(dep, uf); + dep->frame_number = cur_uf + max_t(u32, 4, dep->interval); + __dwc3_gadget_kick_transfer(dep); } static void dwc3_gadget_start_isoc(struct dwc3 *dwc, @@ -1290,7 +1281,6 @@ static void dwc3_gadget_start_isoc(struct dwc3 *dwc, static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) { struct dwc3 *dwc = dep->dwc; - int ret = 0; if (!dep->endpoint.desc) { dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n", @@ -1337,24 +1327,14 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) } if ((dep->flags & DWC3_EP_BUSY) && - !(dep->flags & DWC3_EP_MISSED_ISOC)) { - WARN_ON_ONCE(!dep->resource_index); - ret = __dwc3_gadget_kick_transfer(dep, - dep->resource_index); - } - - goto out; - } + !(dep->flags & DWC3_EP_MISSED_ISOC)) + goto out; - if (!dwc3_calc_trbs_left(dep)) return 0; + } - ret = __dwc3_gadget_kick_transfer(dep, 0); out: - if (ret == -EBUSY) - ret = 0; - - return ret; + return __dwc3_gadget_kick_transfer(dep); } static int dwc3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, @@ -2347,7 +2327,7 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, req->request.actual = length - req->remaining; if ((req->request.actual < length) && req->num_pending_sgs) - return __dwc3_gadget_kick_transfer(dep, 0); + return __dwc3_gadget_kick_transfer(dep); dwc3_gadget_giveback(dep, req, status); @@ -2440,13 +2420,8 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc, if (!dep->endpoint.desc) return; - if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) { - int ret; - - ret = __dwc3_gadget_kick_transfer(dep, 0); - if (!ret || ret == -EBUSY) - return; - } + if (!usb_endpoint_xfer_isoc(dep->endpoint.desc)) + __dwc3_gadget_kick_transfer(dep); } static void dwc3_endpoint_interrupt(struct dwc3 *dwc, @@ -2487,15 +2462,10 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc, dwc3_endpoint_transfer_complete(dwc, dep, event); break; case DWC3_DEPEVT_XFERNOTREADY: - if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { + if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) dwc3_gadget_start_isoc(dwc, dep, event); - } else { - int ret; - - ret = __dwc3_gadget_kick_transfer(dep, 0); - if (!ret || ret == -EBUSY) - return; - } + else + __dwc3_gadget_kick_transfer(dep); break; case DWC3_DEPEVT_STREAMEVT: diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 4a3227543255..578aa856f986 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * gadget.h - DesignWare USB3 DRD Gadget Header * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __DRIVERS_USB_DWC3_GADGET_H diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index 76f0b0df37c1..1a3878a3be78 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * host.c - DesignWare USB3 DRD Controller Host Glue * * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com * * Authors: Felipe Balbi <balbi@ti.com>, - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/platform_device.h> diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h index c69b06696824..70acdf94a0bf 100644 --- a/drivers/usb/dwc3/io.h +++ b/drivers/usb/dwc3/io.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * io.h - DesignWare USB3 DRD IO Header * @@ -5,15 +6,6 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #ifndef __DRIVERS_USB_DWC3_IO_H diff --git a/drivers/usb/dwc3/trace.c b/drivers/usb/dwc3/trace.c index 6cd166412ad0..f8886f3f3c9e 100644 --- a/drivers/usb/dwc3/trace.c +++ b/drivers/usb/dwc3/trace.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * trace.c - DesignWare USB3 DRD Controller Trace Support * * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com * * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #define CREATE_TRACE_POINTS diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h index 6504b116da04..a9dd5c64e6c7 100644 --- a/drivers/usb/dwc3/trace.h +++ b/drivers/usb/dwc3/trace.h @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * trace.h - DesignWare USB3 DRD Controller Trace Support * * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com * * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #undef TRACE_SYSTEM diff --git a/drivers/usb/dwc3/ulpi.c b/drivers/usb/dwc3/ulpi.c index e87ce8e9edee..f62b5f3c2d67 100644 --- a/drivers/usb/dwc3/ulpi.c +++ b/drivers/usb/dwc3/ulpi.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * ulpi.c - DesignWare USB3 Controller's ULPI PHY interface * * Copyright (C) 2015 Intel Corporation * * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/ulpi/regs.h> diff --git a/drivers/usb/early/Makefile b/drivers/usb/early/Makefile index fcde2286da1c..7b77b49d3b8c 100644 --- a/drivers/usb/early/Makefile +++ b/drivers/usb/early/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for early USB devices # diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c index e2654443e8eb..d633c2abe5a4 100644 --- a/drivers/usb/early/ehci-dbgp.c +++ b/drivers/usb/early/ehci-dbgp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Standalone EHCI usb debug driver * diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c index 12fe70beae69..8a700b45b9a9 100644 --- a/drivers/usb/early/xhci-dbc.c +++ b/drivers/usb/early/xhci-dbc.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /** * xhci-dbc.c - xHCI debug capability early driver * * Copyright (C) 2016 Intel Corporation * * Author: Lu Baolu <baolu.lu@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__ diff --git a/drivers/usb/early/xhci-dbc.h b/drivers/usb/early/xhci-dbc.h index 2df0f6e613fe..673686eeddd7 100644 --- a/drivers/usb/early/xhci-dbc.h +++ b/drivers/usb/early/xhci-dbc.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xhci-dbc.h - xHCI debug capability early driver * * Copyright (C) 2016 Intel Corporation * * Author: Lu Baolu <baolu.lu@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_XHCI_DBC_H @@ -90,8 +87,8 @@ struct xdbc_context { #define XDBC_INFO_CONTEXT_SIZE 48 #define XDBC_MAX_STRING_LENGTH 64 -#define XDBC_STRING_MANUFACTURER "Linux" -#define XDBC_STRING_PRODUCT "Remote GDB" +#define XDBC_STRING_MANUFACTURER "Linux Foundation" +#define XDBC_STRING_PRODUCT "Linux USB GDB Target" #define XDBC_STRING_SERIAL "0001" struct xdbc_strings { @@ -103,7 +100,7 @@ struct xdbc_strings { #define XDBC_PROTOCOL 1 /* GNU Remote Debug Command Set */ #define XDBC_VENDOR_ID 0x1d6b /* Linux Foundation 0x1d6b */ -#define XDBC_PRODUCT_ID 0x0004 /* __le16 idProduct; device 0004 */ +#define XDBC_PRODUCT_ID 0x0011 /* __le16 idProduct; device 0011 */ #define XDBC_DEVICE_REV 0x0010 /* 0.10 */ /* diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 5d061b3d8224..eec14e6ed20b 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * composite.c - infrastructure for Composite USB Gadgets * * Copyright (C) 2006-2008 David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ @@ -170,20 +166,20 @@ int config_ep_by_speed(struct usb_gadget *g, want_comp_desc = 1; break; } - /* else: Fall trough */ + /* fall through */ case USB_SPEED_SUPER: if (gadget_is_superspeed(g)) { speed_desc = f->ss_descriptors; want_comp_desc = 1; break; } - /* else: Fall trough */ + /* fall through */ case USB_SPEED_HIGH: if (gadget_is_dualspeed(g)) { speed_desc = f->hs_descriptors; break; } - /* else: fall through */ + /* fall through */ default: speed_desc = f->fs_descriptors; } @@ -224,6 +220,7 @@ ep_found: case USB_ENDPOINT_XFER_ISOC: /* mult: bits 1:0 of bmAttributes */ _ep->mult = (comp_desc->bmAttributes & 0x3) + 1; + /* fall through */ case USB_ENDPOINT_XFER_BULK: case USB_ENDPOINT_XFER_INT: _ep->maxburst = comp_desc->bMaxBurst + 1; diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c index 17a6077b89a4..2d115353424c 100644 --- a/drivers/usb/gadget/config.c +++ b/drivers/usb/gadget/config.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * usb/gadget/config.c -- simplify building config descriptors * * Copyright (C) 2003 David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/errno.h> diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index aeb9f3c40521..4ddf063b9f47 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/configfs.h> #include <linux/module.h> #include <linux/slab.h> diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 30fdab0ae383..71b15c65b90f 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * epautoconf.c -- endpoint autoconfiguration for usb gadget drivers * * Copyright (C) 2004 David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index 5e3828d9dac7..7140bf3c74fa 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_acm.c -- USB CDC serial (ACM) function driver * @@ -6,10 +7,6 @@ * Copyright (C) 2008 by Nokia Corporation * Copyright (C) 2009 by Samsung Electronics * Author: Michal Nazarewicz (mina86@mina86.com) - * - * This software is distributed under the terms of the GNU General - * Public License ("GPL") as published by the Free Software Foundation, - * either version 2 of that License or (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c index 4c488d15b6f6..b322ca20cd98 100644 --- a/drivers/usb/gadget/function/f_ecm.c +++ b/drivers/usb/gadget/function/f_ecm.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_ecm.c -- USB CDC Ethernet (ECM) link function driver * * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index 007ec6e4a5d4..def3a450a340 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_eem.c -- USB CDC Ethernet (EEM) link function driver * * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2008 Nokia Corporation * Copyright (C) 2009 EF Johnson Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 8b342587f8ad..b1001c3f43fb 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_fs.c -- user mode file system API for USB composite function controllers * @@ -7,11 +8,6 @@ * Based on inode.c (GadgetFS) which was: * Copyright (C) 2003-2004 David Brownell * Copyright (C) 2003 Agilent Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ @@ -3677,6 +3673,7 @@ static void ffs_closed(struct ffs_data *ffs) goto done; ffs_obj->desc_ready = false; + ffs_obj->ffs_data = NULL; if (test_and_clear_bit(FFS_FL_CALL_CLOSED_CALLBACK, &ffs->flags) && ffs_obj->ffs_closed_callback) diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index d8e359ef6eb1..52576f1b57f1 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_hid.c -- USB HID function driver * * Copyright (C) 2010 Fabien Chouteau <fabien.chouteau@barco.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c index e70093835e14..ed3b054a0a2e 100644 --- a/drivers/usb/gadget/function/f_loopback.c +++ b/drivers/usb/gadget/function/f_loopback.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_loopback.c - USB peripheral loopback configuration driver * * Copyright (C) 2003-2008 David Brownell * Copyright (C) 2008 by Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 5153e29870c3..697224237976 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * f_mass_storage.c -- Mass Storage USB Composite Function * diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 5d3d7941d2c2..5ea713a975c7 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_midi.c -- USB MIDI class function driver * @@ -15,8 +16,6 @@ * and drivers/usb/gadget/midi.c, * Copyright (C) 2006 Thumtronics Pty Ltd. * Ben Williamson <ben.williamson@greyinnovation.com> - * - * Licensed under the GPL-2 or later. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 45b334ceaf2e..87d4e7767f96 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_ncm.c -- USB CDC Network (NCM) link function driver * @@ -8,11 +9,6 @@ * * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/f_obex.c b/drivers/usb/gadget/function/f_obex.c index d43e86cea74f..082f948aa7fd 100644 --- a/drivers/usb/gadget/function/f_obex.c +++ b/drivers/usb/gadget/function/f_obex.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_obex.c -- USB CDC OBEX function driver * @@ -5,11 +6,6 @@ * Contact: Felipe Balbi <felipe.balbi@nokia.com> * * Based on f_acm.c by Al Borchers and David Brownell. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c index 9c4c58e4a1a2..2d867b1ffb47 100644 --- a/drivers/usb/gadget/function/f_phonet.c +++ b/drivers/usb/gadget/function/f_phonet.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * f_phonet.c -- USB CDC Phonet function * * Copyright (C) 2007-2008 Nokia Corporation. All rights reserved. * * Author: Rémi Denis-Courmont - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #include <linux/mm.h> @@ -215,6 +212,7 @@ static void pn_tx_complete(struct usb_ep *ep, struct usb_request *req) case -ESHUTDOWN: /* disconnected */ case -ECONNRESET: /* disabled */ dev->stats.tx_aborted_errors++; + /* fall through */ default: dev->stats.tx_errors++; } @@ -362,6 +360,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req) /* Do resubmit in these cases: */ case -EOVERFLOW: /* request buffer overflow */ dev->stats.rx_over_errors++; + /* fall through */ default: dev->stats.rx_errors++; break; diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index ea0da35a44e2..587575453f48 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_printer.c - USB printer function driver * @@ -8,11 +9,6 @@ * * Copyright (C) 2003-2005 David Brownell * Copyright (C) 2006 Craig W. Nadler - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/module.h> diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index c7c5b3ce1d98..9c5bf92c4617 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_rndis.c -- RNDIS link function driver * @@ -6,11 +7,6 @@ * Copyright (C) 2008 Nokia Corporation * Copyright (C) 2009 Samsung Electronics * Author: Michal Nazarewicz (mina86@mina86.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c index cb00ada21d9c..a41fb83e353e 100644 --- a/drivers/usb/gadget/function/f_serial.c +++ b/drivers/usb/gadget/function/f_serial.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_serial.c - generic USB serial function driver * * Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com) * Copyright (C) 2008 by David Brownell * Copyright (C) 2008 by Nokia Corporation - * - * This software is distributed under the terms of the GNU General - * Public License ("GPL") as published by the Free Software Foundation, - * either version 2 of that License or (at your option) any later version. */ #include <linux/slab.h> diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index 8784fa12ea2c..39757dd04744 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_sourcesink.c - USB peripheral source/sink configuration driver * * Copyright (C) 2003-2008 David Brownell * Copyright (C) 2008 by Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/function/f_subset.c b/drivers/usb/gadget/function/f_subset.c index 434b983f3b4c..a52d17a69977 100644 --- a/drivers/usb/gadget/function/f_subset.c +++ b/drivers/usb/gadget/function/f_subset.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_subset.c -- "CDC Subset" Ethernet link function driver * * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/slab.h> diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index a82e2bd5ea34..28cb53de51b8 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -1,10 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* Target based USB-Gadget * * UAS protocol handling, target callbacks, configfs handling, * BBB (USB Mass Storage Class Bulk-Only (BBB) and Transport protocol handling. * * Author: Sebastian Andrzej Siewior <bigeasy at linutronix dot de> - * License: GPLv2 as published by FSF. */ #include <linux/kernel.h> #include <linux/module.h> @@ -1145,6 +1145,7 @@ static int usbg_submit_command(struct f_uas *fu, default: pr_debug_once("Unsupported prio_attr: %02x.\n", cmd_iu->prio_attr); + /* fall through */ case UAS_SIMPLE_TAG: cmd->prio_attr = TCM_SIMPLE_TAG; break; diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c index 29efbedc91f9..91e3f3e6bf78 100644 --- a/drivers/usb/gadget/function/f_uac1.c +++ b/drivers/usb/gadget/function/f_uac1.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_uac1.c -- USB Audio Class 1.0 Function (using u_audio API) * @@ -10,11 +11,6 @@ * This file is based on f_uac1.c which is * Copyright (C) 2008 Bryan Wu <cooloney@kernel.org> * Copyright (C) 2008 Analog Devices, Inc - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/usb/audio.h> diff --git a/drivers/usb/gadget/function/f_uac1_legacy.c b/drivers/usb/gadget/function/f_uac1_legacy.c index 5d229e72912e..8bd6f6e8d24a 100644 --- a/drivers/usb/gadget/function/f_uac1_legacy.c +++ b/drivers/usb/gadget/function/f_uac1_legacy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_audio.c -- USB Audio class function driver * @@ -5,8 +6,6 @@ * Copyright (C) 2008 Analog Devices, Inc * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ #include <linux/slab.h> diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index f05c3f3e6103..9dc33a70db33 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_uac2.c -- USB Audio Class 2.0 Function * * Copyright (C) 2011 * Yadwinder Singh (yadi.brar01@gmail.com) * Jaswinder Singh (jaswinder.singh@linaro.org) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/usb/audio.h> diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index f8a1881609a2..439eba660e95 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * uvc_gadget.c -- USB Video Class Gadget driver * * Copyright (C) 2009-2010 * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/f_uvc.h b/drivers/usb/gadget/function/f_uvc.h index d0a73bdcbba1..81defe4557fe 100644 --- a/drivers/usb/gadget/function/f_uvc.h +++ b/drivers/usb/gadget/function/f_uvc.h @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * f_uvc.h -- USB Video Class Gadget driver * * Copyright (C) 2009-2010 * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _F_UVC_H_ diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c index d6341045c631..51dd3e90b06c 100644 --- a/drivers/usb/gadget/function/rndis.c +++ b/drivers/usb/gadget/function/rndis.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * RNDIS MSG parser * * Authors: Benedikt Spranger, Pengutronix * Robert Schwebel, Pengutronix * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2, as published by the Free Software Foundation. - * * This software was originally developed in conformance with * Microsoft's Remote NDIS Specification License Agreement. * diff --git a/drivers/usb/gadget/function/rndis.h b/drivers/usb/gadget/function/rndis.h index 21e0430ffb98..c7e3a70ce6c1 100644 --- a/drivers/usb/gadget/function/rndis.h +++ b/drivers/usb/gadget/function/rndis.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * RNDIS Definitions for Remote NDIS * * Authors: Benedikt Spranger, Pengutronix * Robert Schwebel, Pengutronix * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2, as published by the Free Software Foundation. - * * This software was originally developed in conformance with * Microsoft's Remote NDIS Specification License Agreement. */ diff --git a/drivers/usb/gadget/function/storage_common.c b/drivers/usb/gadget/function/storage_common.c index 8fbf6861690d..f7e6c42558eb 100644 --- a/drivers/usb/gadget/function/storage_common.c +++ b/drivers/usb/gadget/function/storage_common.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * storage_common.c -- Common definitions for mass storage functionality * * Copyright (C) 2003-2008 Alan Stern * Copyeight (C) 2009 Samsung Electronics * Author: Michal Nazarewicz (mina86@mina86.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index 3971bbab88bd..a72295c953bb 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_audio.c -- interface to USB gadget "ALSA sound card" utilities * @@ -9,16 +10,6 @@ * Copyright (C) 2011 * Yadwinder Singh (yadi.brar01@gmail.com) * Jaswinder Singh (jaswinder.singh@linaro.org) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/usb/gadget/function/u_audio.h b/drivers/usb/gadget/function/u_audio.h index 07e13784cbb8..81d3d4ed6dfb 100644 --- a/drivers/usb/gadget/function/u_audio.h +++ b/drivers/usb/gadget/function/u_audio.h @@ -1,19 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_audio.h -- interface to USB gadget "ALSA sound card" utilities * * Copyright (C) 2016 * Author: Ruslan Bilovol <ruslan.bilovol@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __U_AUDIO_H diff --git a/drivers/usb/gadget/function/u_ecm.h b/drivers/usb/gadget/function/u_ecm.h index 262cc03cc2c0..050aa672ee7f 100644 --- a/drivers/usb/gadget/function/u_ecm.h +++ b/drivers/usb/gadget/function/u_ecm.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_ecm.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_ECM_H diff --git a/drivers/usb/gadget/function/u_eem.h b/drivers/usb/gadget/function/u_eem.h index e3ae97874c4f..de3828d3e8f0 100644 --- a/drivers/usb/gadget/function/u_eem.h +++ b/drivers/usb/gadget/function/u_eem.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_eem.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_EEM_H diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index bdbc3fdc7c4f..6fcda62f55ea 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_ether.c -- Ethernet-over-USB link layer utilities for Gadget stack * * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/function/u_ether.h b/drivers/usb/gadget/function/u_ether.h index c77145bd6b5b..332307d54292 100644 --- a/drivers/usb/gadget/function/u_ether.h +++ b/drivers/usb/gadget/function/u_ether.h @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_ether.h -- interface to USB gadget "ethernet link" utilities * * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __U_ETHER_H diff --git a/drivers/usb/gadget/function/u_ether_configfs.h b/drivers/usb/gadget/function/u_ether_configfs.h index e4c3f84af4c3..cd33cee4d78b 100644 --- a/drivers/usb/gadget/function/u_ether_configfs.h +++ b/drivers/usb/gadget/function/u_ether_configfs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_ether_configfs.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __U_ETHER_CONFIGFS_H diff --git a/drivers/usb/gadget/function/u_fs.h b/drivers/usb/gadget/function/u_fs.h index 79f70ebf85dc..c3aba4dfa958 100644 --- a/drivers/usb/gadget/function/u_fs.h +++ b/drivers/usb/gadget/function/u_fs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_fs.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_FFS_H diff --git a/drivers/usb/gadget/function/u_gether.h b/drivers/usb/gadget/function/u_gether.h index d4078426ba5d..5b7e2eb90336 100644 --- a/drivers/usb/gadget/function/u_gether.h +++ b/drivers/usb/gadget/function/u_gether.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_gether.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_GETHER_H diff --git a/drivers/usb/gadget/function/u_hid.h b/drivers/usb/gadget/function/u_hid.h index aaa0e368a159..2f5ca4bfa7ff 100644 --- a/drivers/usb/gadget/function/u_hid.h +++ b/drivers/usb/gadget/function/u_hid.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_hid.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_HID_H diff --git a/drivers/usb/gadget/function/u_midi.h b/drivers/usb/gadget/function/u_midi.h index 22510189758e..5599aa5fc977 100644 --- a/drivers/usb/gadget/function/u_midi.h +++ b/drivers/usb/gadget/function/u_midi.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_midi.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_MIDI_H diff --git a/drivers/usb/gadget/function/u_ncm.h b/drivers/usb/gadget/function/u_ncm.h index ce0f3a78ca13..67324f983343 100644 --- a/drivers/usb/gadget/function/u_ncm.h +++ b/drivers/usb/gadget/function/u_ncm.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_ncm.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_NCM_H diff --git a/drivers/usb/gadget/function/u_phonet.h b/drivers/usb/gadget/function/u_phonet.h index 98ced18779ea..12fb613f85d1 100644 --- a/drivers/usb/gadget/function/u_phonet.h +++ b/drivers/usb/gadget/function/u_phonet.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_phonet.h - interface to Phonet * * Copyright (C) 2007-2008 by Nokia Corporation - * - * This software is distributed under the terms of the GNU General - * Public License ("GPL") as published by the Free Software Foundation, - * either version 2 of that License or (at your option) any later version. */ #ifndef __U_PHONET_H diff --git a/drivers/usb/gadget/function/u_printer.h b/drivers/usb/gadget/function/u_printer.h index 8d30b7577f87..6088ff744194 100644 --- a/drivers/usb/gadget/function/u_printer.h +++ b/drivers/usb/gadget/function/u_printer.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_printer.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_PRINTER_H diff --git a/drivers/usb/gadget/function/u_rndis.h b/drivers/usb/gadget/function/u_rndis.h index efdb7ac381d9..d65fb4ebac3c 100644 --- a/drivers/usb/gadget/function/u_rndis.h +++ b/drivers/usb/gadget/function/u_rndis.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_rndis.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_RNDIS_H diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 4176216d54be..4d653d2960d4 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_serial.c - utilities for USB gadget "serial port"/TTY support * @@ -9,10 +10,6 @@ * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com) * Copyright (C) 2000 Peter Berger (pberger@brimson.com) * Copyright (C) 2000 Al Borchers (alborchers@steinerpoint.com) - * - * This software is distributed under the terms of the GNU General - * Public License ("GPL") as published by the Free Software Foundation, - * either version 2 of that License or (at your option) any later version. */ /* #define VERBOSE_DEBUG */ @@ -1078,6 +1075,7 @@ static void gs_complete_out(struct usb_ep *ep, struct usb_request *req) default: pr_warn("%s: unexpected %s status %d\n", __func__, ep->name, req->status); + /* fall through */ case 0: /* normal completion */ spin_lock(&info->con_lock); diff --git a/drivers/usb/gadget/function/u_serial.h b/drivers/usb/gadget/function/u_serial.h index c20210c0babd..9acaac1cbb75 100644 --- a/drivers/usb/gadget/function/u_serial.h +++ b/drivers/usb/gadget/function/u_serial.h @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_serial.h - interface to USB gadget "serial port"/TTY utilities * * Copyright (C) 2008 David Brownell * Copyright (C) 2008 by Nokia Corporation - * - * This software is distributed under the terms of the GNU General - * Public License ("GPL") as published by the Free Software Foundation, - * either version 2 of that License or (at your option) any later version. */ #ifndef __U_SERIAL_H diff --git a/drivers/usb/gadget/function/u_tcm.h b/drivers/usb/gadget/function/u_tcm.h index 0bd751e0483f..3f7ccecb0f9b 100644 --- a/drivers/usb/gadget/function/u_tcm.h +++ b/drivers/usb/gadget/function/u_tcm.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_tcm.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_TCM_H diff --git a/drivers/usb/gadget/function/u_uac1.h b/drivers/usb/gadget/function/u_uac1.h index 6f188fd8633f..6f1a9d73defe 100644 --- a/drivers/usb/gadget/function/u_uac1.h +++ b/drivers/usb/gadget/function/u_uac1.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_uac1.h - Utility definitions for UAC1 function * * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __U_UAC1_H diff --git a/drivers/usb/gadget/function/u_uac1_legacy.c b/drivers/usb/gadget/function/u_uac1_legacy.c index fa4684a1c54c..cbc868d117af 100644 --- a/drivers/usb/gadget/function/u_uac1_legacy.c +++ b/drivers/usb/gadget/function/u_uac1_legacy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_uac1.c -- ALSA audio utilities for Gadget stack * @@ -5,8 +6,6 @@ * Copyright (C) 2008 Analog Devices, Inc * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/u_uac1_legacy.h b/drivers/usb/gadget/function/u_uac1_legacy.h index d715b1af56a4..dd69e408a3d9 100644 --- a/drivers/usb/gadget/function/u_uac1_legacy.h +++ b/drivers/usb/gadget/function/u_uac1_legacy.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * u_uac1.h -- interface to USB gadget "ALSA AUDIO" utilities * @@ -5,8 +6,6 @@ * Copyright (C) 2008 Analog Devices, Inc * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ #ifndef __U_UAC1_LEGACY_H diff --git a/drivers/usb/gadget/function/u_uac2.h b/drivers/usb/gadget/function/u_uac2.h index 19eeb83538a5..8362ee572e1e 100644 --- a/drivers/usb/gadget/function/u_uac2.h +++ b/drivers/usb/gadget/function/u_uac2.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_uac2.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_UAC2_H diff --git a/drivers/usb/gadget/function/u_uvc.h b/drivers/usb/gadget/function/u_uvc.h index 4676b60a5063..d00d3ded71c0 100644 --- a/drivers/usb/gadget/function/u_uvc.h +++ b/drivers/usb/gadget/function/u_uvc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_uvc.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef U_UVC_H diff --git a/drivers/usb/gadget/function/uvc.h b/drivers/usb/gadget/function/uvc.h index 11d70dead32b..a64e07e61f8c 100644 --- a/drivers/usb/gadget/function/uvc.h +++ b/drivers/usb/gadget/function/uvc.h @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * uvc_gadget.h -- USB Video Class Gadget driver * * Copyright (C) 2009-2010 * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _UVC_GADGET_H_ diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index 844cb738bafd..d2ad1442769a 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * uvc_configfs.c * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include "u_uvc.h" #include "uvc_configfs.h" diff --git a/drivers/usb/gadget/function/uvc_configfs.h b/drivers/usb/gadget/function/uvc_configfs.h index 085e67be7c71..8549c0b27b9d 100644 --- a/drivers/usb/gadget/function/uvc_configfs.h +++ b/drivers/usb/gadget/function/uvc_configfs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * uvc_configfs.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef UVC_CONFIGFS_H #define UVC_CONFIGFS_H diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c index 6377e9fee6e5..278d50ff1eea 100644 --- a/drivers/usb/gadget/function/uvc_queue.c +++ b/drivers/usb/gadget/function/uvc_queue.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * uvc_queue.c -- USB Video Class driver - Buffers management * * Copyright (C) 2005-2010 * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/atomic.h> diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c index 3e22b45687d3..f3069db6f08e 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.c +++ b/drivers/usb/gadget/function/uvc_v4l2.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * uvc_v4l2.c -- USB Video Class Gadget driver * * Copyright (C) 2009-2010 * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> @@ -354,7 +350,7 @@ static unsigned long uvcg_v4l2_get_unmapped_area(struct file *file, } #endif -struct v4l2_file_operations uvc_v4l2_fops = { +const struct v4l2_file_operations uvc_v4l2_fops = { .owner = THIS_MODULE, .open = uvc_v4l2_open, .release = uvc_v4l2_release, diff --git a/drivers/usb/gadget/function/uvc_v4l2.h b/drivers/usb/gadget/function/uvc_v4l2.h index 2683b92fda65..a75e9c397446 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.h +++ b/drivers/usb/gadget/function/uvc_v4l2.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * uvc_v4l2.h -- USB Video Class Gadget driver * @@ -7,16 +8,12 @@ * Copyright (c) 2013 Samsung Electronics Co., Ltd. * http://www.samsung.com * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __UVC_V4L2_H__ #define __UVC_V4L2_H__ extern const struct v4l2_ioctl_ops uvc_v4l2_ioctl_ops; -extern struct v4l2_file_operations uvc_v4l2_fops; +extern const struct v4l2_file_operations uvc_v4l2_fops; #endif /* __UVC_V4L2_H__ */ diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index 0f01c04d7cbd..d3567b90343a 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * uvc_video.c -- USB Video Class Gadget driver * * Copyright (C) 2009-2010 * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/function/uvc_video.h b/drivers/usb/gadget/function/uvc_video.h index ef00f06fa00b..6c20aa75f966 100644 --- a/drivers/usb/gadget/function/uvc_video.h +++ b/drivers/usb/gadget/function/uvc_video.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * uvc_video.h -- USB Video Class Gadget driver * @@ -7,10 +8,6 @@ * Copyright (c) 2013 Samsung Electronics Co., Ltd. * http://www.samsung.com * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __UVC_VIDEO_H__ #define __UVC_VIDEO_H__ diff --git a/drivers/usb/gadget/functions.c b/drivers/usb/gadget/functions.c index b13f839e7368..203361a64212 100644 --- a/drivers/usb/gadget/functions.c +++ b/drivers/usb/gadget/functions.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/slab.h> #include <linux/module.h> diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c index c39de65a448b..af16672d5118 100644 --- a/drivers/usb/gadget/legacy/acm_ms.c +++ b/drivers/usb/gadget/legacy/acm_ms.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * acm_ms.c -- Composite driver, with ACM and mass storage support * @@ -7,11 +8,6 @@ * Modified: Klaus Schwarzkopf <schwarzkopf@sensortherm.de> * * Heavily based on multi.c and cdc2.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c index 1f5cdbe162df..7b11dce98b94 100644 --- a/drivers/usb/gadget/legacy/audio.c +++ b/drivers/usb/gadget/legacy/audio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * audio.c -- Audio gadget driver * @@ -5,8 +6,6 @@ * Copyright (C) 2008 Analog Devices, Inc * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/legacy/cdc2.c b/drivers/usb/gadget/legacy/cdc2.c index 51c08682de84..da1c37933ca1 100644 --- a/drivers/usb/gadget/legacy/cdc2.c +++ b/drivers/usb/gadget/legacy/cdc2.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * cdc2.c -- CDC Composite driver, with ECM and ACM support * * Copyright (C) 2008 David Brownell * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/legacy/dbgp.c b/drivers/usb/gadget/legacy/dbgp.c index 99ca3dabc4f3..e1d566c9918a 100644 --- a/drivers/usb/gadget/legacy/dbgp.c +++ b/drivers/usb/gadget/legacy/dbgp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * dbgp.c -- EHCI Debug Port device gadget * diff --git a/drivers/usb/gadget/legacy/ether.c b/drivers/usb/gadget/legacy/ether.c index 25a2c2e48592..30313b233680 100644 --- a/drivers/usb/gadget/legacy/ether.c +++ b/drivers/usb/gadget/legacy/ether.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * ether.c -- Ethernet gadget driver, with CDC and non-CDC options * * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c index 6da7316f8e87..b640ed3fcf70 100644 --- a/drivers/usb/gadget/legacy/g_ffs.c +++ b/drivers/usb/gadget/legacy/g_ffs.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * g_ffs.c -- user mode file system API for USB composite function controllers * * Copyright (C) 2010 Samsung Electronics * Author: Michal Nazarewicz <mina86@mina86.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #define pr_fmt(fmt) "g_ffs: " fmt diff --git a/drivers/usb/gadget/legacy/gmidi.c b/drivers/usb/gadget/legacy/gmidi.c index 0bf39c3ccdb1..9eea2d18f2bf 100644 --- a/drivers/usb/gadget/legacy/gmidi.c +++ b/drivers/usb/gadget/legacy/gmidi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * gmidi.c -- USB MIDI Gadget Driver * @@ -5,9 +6,6 @@ * Developed for Thumtronics by Grey Innovation * Ben Williamson <ben.williamson@greyinnovation.com> * - * This software is distributed under the terms of the GNU General Public - * License ("GPL") version 2, as published by the Free Software Foundation. - * * This code is based in part on: * * Gadget Zero driver, Copyright (C) 2003-2004 David Brownell. diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c index a71a884f79fc..c4eda7fe7ab4 100644 --- a/drivers/usb/gadget/legacy/hid.c +++ b/drivers/usb/gadget/legacy/hid.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * hid.c -- HID Composite driver * * Based on multi.c * * Copyright (C) 2010 Fabien Chouteau <fabien.chouteau@barco.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 5c28bee327e1..9343ec436485 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * inode.c -- user mode filesystem api for usb gadget controllers * * Copyright (C) 2003-2004 David Brownell * Copyright (C) 2003 Agilent Technologies - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c index fcba59782f26..ef3d25259b0e 100644 --- a/drivers/usb/gadget/legacy/mass_storage.c +++ b/drivers/usb/gadget/legacy/mass_storage.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * mass_storage.c -- Mass Storage USB Gadget * @@ -5,11 +6,6 @@ * Copyright (C) 2009 Samsung Electronics * Author: Michal Nazarewicz <mina86@mina86.com> * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c index a70a406580ea..50515f9e1022 100644 --- a/drivers/usb/gadget/legacy/multi.c +++ b/drivers/usb/gadget/legacy/multi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * multi.c -- Multifunction Composite driver * @@ -5,11 +6,6 @@ * Copyright (C) 2008 Nokia Corporation * Copyright (C) 2009 Samsung Electronics * Author: Michal Nazarewicz (mina86@mina86.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c index 0aba68253e3d..fcee1ee0bf66 100644 --- a/drivers/usb/gadget/legacy/ncm.c +++ b/drivers/usb/gadget/legacy/ncm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * ncm.c -- NCM gadget driver * @@ -9,11 +10,6 @@ * Copyright (C) 2003-2005,2008 David Brownell * Copyright (C) 2003-2004 Robert Schwebel, Benedikt Spranger * Copyright (C) 2008 Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define DEBUG */ diff --git a/drivers/usb/gadget/legacy/nokia.c b/drivers/usb/gadget/legacy/nokia.c index b1e535f4022e..978c1a34a932 100644 --- a/drivers/usb/gadget/legacy/nokia.c +++ b/drivers/usb/gadget/legacy/nokia.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * nokia.c -- Nokia Composite Gadget Driver * @@ -9,10 +10,6 @@ * Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com) * Copyright (C) 2008 by David Brownell * Copyright (C) 2008 by Nokia Corporation - * - * This software is distributed under the terms of the GNU General - * Public License ("GPL") as published by the Free Software Foundation, - * version 2 of that License. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c index 4c9cfff34a03..57858f0c2b6c 100644 --- a/drivers/usb/gadget/legacy/printer.c +++ b/drivers/usb/gadget/legacy/printer.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * printer.c -- Printer gadget driver * * Copyright (C) 2003-2005 David Brownell * Copyright (C) 2006 Craig W. Nadler - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/module.h> diff --git a/drivers/usb/gadget/legacy/serial.c b/drivers/usb/gadget/legacy/serial.c index 9d89adce756d..de30d7628eef 100644 --- a/drivers/usb/gadget/legacy/serial.c +++ b/drivers/usb/gadget/legacy/serial.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * serial.c -- USB gadget serial driver * * Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com) * Copyright (C) 2008 by David Brownell * Copyright (C) 2008 by Nokia Corporation - * - * This software is distributed under the terms of the GNU General - * Public License ("GPL") as published by the Free Software Foundation, - * either version 2 of that License or (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/legacy/tcm_usb_gadget.c b/drivers/usb/gadget/legacy/tcm_usb_gadget.c index 0b0bb98319cd..682bf99dcf76 100644 --- a/drivers/usb/gadget/legacy/tcm_usb_gadget.c +++ b/drivers/usb/gadget/legacy/tcm_usb_gadget.c @@ -1,10 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* Target based USB-Gadget * * UAS protocol handling, target callbacks, configfs handling, * BBB (USB Mass Storage Class Bulk-Only (BBB) and Transport protocol handling. * * Author: Sebastian Andrzej Siewior <bigeasy at linutronix dot de> - * License: GPLv2 as published by FSF. */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/usb/gadget/legacy/webcam.c b/drivers/usb/gadget/legacy/webcam.c index 82c13fce9232..6b86568c9157 100644 --- a/drivers/usb/gadget/legacy/webcam.c +++ b/drivers/usb/gadget/legacy/webcam.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * webcam.c -- USB webcam gadget driver * * Copyright (C) 2009-2010 * Laurent Pinchart (laurent.pinchart@ideasonboard.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/legacy/zero.c b/drivers/usb/gadget/legacy/zero.c index d02e2ce73ea5..6e84b44c8a3b 100644 --- a/drivers/usb/gadget/legacy/zero.c +++ b/drivers/usb/gadget/legacy/zero.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * zero.c -- Gadget Zero, for USB development * * Copyright (C) 2003-2008 David Brownell * Copyright (C) 2008 by Nokia Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* @@ -154,10 +150,11 @@ static struct usb_gadget_strings *dev_strings[] = { /*-------------------------------------------------------------------------*/ static struct timer_list autoresume_timer; +static struct usb_composite_dev *autoresume_cdev; -static void zero_autoresume(unsigned long _c) +static void zero_autoresume(struct timer_list *unused) { - struct usb_composite_dev *cdev = (void *)_c; + struct usb_composite_dev *cdev = autoresume_cdev; struct usb_gadget *g = cdev->gadget; /* unconfigured devices can't issue wakeups */ @@ -282,7 +279,8 @@ static int zero_bind(struct usb_composite_dev *cdev) device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; device_desc.iSerialNumber = strings_dev[USB_GADGET_SERIAL_IDX].id; - setup_timer(&autoresume_timer, zero_autoresume, (unsigned long) cdev); + autoresume_cdev = cdev; + timer_setup(&autoresume_timer, zero_autoresume, 0); func_inst_ss = usb_get_function_instance("SourceSink"); if (IS_ERR(func_inst_ss)) diff --git a/drivers/usb/gadget/u_f.c b/drivers/usb/gadget/u_f.c index 18839732c840..dbaa46eee853 100644 --- a/drivers/usb/gadget/u_f.c +++ b/drivers/usb/gadget/u_f.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_f.c -- USB function utilities for Gadget stack * @@ -5,10 +6,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include "u_f.h" diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h index 7d53a4773d1a..c3fbef2bb5db 100644 --- a/drivers/usb/gadget/u_f.h +++ b/drivers/usb/gadget/u_f.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_f.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __U_F_H__ diff --git a/drivers/usb/gadget/u_os_desc.h b/drivers/usb/gadget/u_os_desc.h index 947b7ddff691..8acd21779ac8 100644 --- a/drivers/usb/gadget/u_os_desc.h +++ b/drivers/usb/gadget/u_os_desc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * u_os_desc.h * @@ -7,10 +8,6 @@ * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __U_OS_DESC_H__ diff --git a/drivers/usb/gadget/udc/amd5536udc.h b/drivers/usb/gadget/udc/amd5536udc.h index 4fe22d432af2..dfdef6a28904 100644 --- a/drivers/usb/gadget/udc/amd5536udc.h +++ b/drivers/usb/gadget/udc/amd5536udc.h @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * amd5536.h -- header for AMD 5536 UDC high/full speed USB device controller * * Copyright (C) 2007 AMD (http://www.amd.com) * Author: Thomas Dahlmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef AMD5536UDC_H diff --git a/drivers/usb/gadget/udc/amd5536udc_pci.c b/drivers/usb/gadget/udc/amd5536udc_pci.c index 57a13f080a79..57b6f66331cf 100644 --- a/drivers/usb/gadget/udc/amd5536udc_pci.c +++ b/drivers/usb/gadget/udc/amd5536udc_pci.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * amd5536udc_pci.c -- AMD 5536 UDC high/full speed USB device controller * * Copyright (C) 2005-2007 AMD (http://www.amd.com) * Author: Thomas Dahlmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c index 8bc78418d40e..bfe278294e88 100644 --- a/drivers/usb/gadget/udc/at91_udc.c +++ b/drivers/usb/gadget/udc/at91_udc.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * at91_udc -- driver for at91-series USB peripheral controller * * Copyright (C) 2004 by Thomas Rathbone * Copyright (C) 2005 by HP Labs * Copyright (C) 2005 by David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #undef VERBOSE_DEBUG diff --git a/drivers/usb/gadget/udc/at91_udc.h b/drivers/usb/gadget/udc/at91_udc.h index 9bbe72764f31..fd58c5b81826 100644 --- a/drivers/usb/gadget/udc/at91_udc.h +++ b/drivers/usb/gadget/udc/at91_udc.h @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2004 by Thomas Rathbone, HP Labs * Copyright (C) 2005 by Ivan Kokshaysky * Copyright (C) 2006 by SAN People - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef AT91_UDC_H diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index a884c022df7a..075eaaa8a408 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the Atmel USBA high speed USB device controller * * Copyright (C) 2005-2007 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/clk.h> #include <linux/clk/at91_pmc.h> diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.h b/drivers/usb/gadget/udc/atmel_usba_udc.h index f8ebe0389bd4..860a00a6fdd0 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.h +++ b/drivers/usb/gadget/udc/atmel_usba_udc.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the Atmel USBA high speed USB device controller * * Copyright (C) 2005-2007 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __LINUX_USB_GADGET_USBA_UDC_H__ #define __LINUX_USB_GADGET_USBA_UDC_H__ diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c index f78503203f42..29f254793592 100644 --- a/drivers/usb/gadget/udc/bcm63xx_udc.c +++ b/drivers/usb/gadget/udc/bcm63xx_udc.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bcm63xx_udc.c -- BCM63xx UDC high/full speed USB device controller * * Copyright (C) 2012 Kevin Cernekee <cernekee@gmail.com> * Copyright (C) 2012 Broadcom Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/bitops.h> diff --git a/drivers/usb/gadget/udc/bdc/bdc.h b/drivers/usb/gadget/udc/bdc/bdc.h index 6df0352cdc50..6e1e881dc51e 100644 --- a/drivers/usb/gadget/udc/bdc/bdc.h +++ b/drivers/usb/gadget/udc/bdc/bdc.h @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc.h - header for the BRCM BDC USB3.0 device controller * * Copyright (C) 2014 Broadcom Corporation * * Author: Ashwini Pahuja - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_BDC_H__ diff --git a/drivers/usb/gadget/udc/bdc/bdc_cmd.c b/drivers/usb/gadget/udc/bdc/bdc_cmd.c index 6e920f1dce02..6305bf2c8b59 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_cmd.c +++ b/drivers/usb/gadget/udc/bdc/bdc_cmd.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_cmd.c - BRCM BDC USB3.0 device controller * * Copyright (C) 2014 Broadcom Corporation * * Author: Ashwini Pahuja - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/scatterlist.h> #include <linux/slab.h> diff --git a/drivers/usb/gadget/udc/bdc/bdc_cmd.h b/drivers/usb/gadget/udc/bdc/bdc_cmd.h index 61d0e3bf9853..29cc988a671a 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_cmd.h +++ b/drivers/usb/gadget/udc/bdc/bdc_cmd.h @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_cmd.h - header for the BDC debug functions * * Copyright (C) 2014 Broadcom Corporation * * Author: Ashwini Pahuja - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_BDC_CMD_H__ #define __LINUX_BDC_CMD_H__ diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c index 7a8af4b916cf..d39f070acbd7 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_core.c - BRCM BDC USB3.0 device controller core operations * * Copyright (C) 2014 Broadcom Corporation * * Author: Ashwini Pahuja - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/usb/gadget/udc/bdc/bdc_dbg.c b/drivers/usb/gadget/udc/bdc/bdc_dbg.c index ac98f6f681b7..7ba7448ad743 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_dbg.c +++ b/drivers/usb/gadget/udc/bdc/bdc_dbg.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_dbg.c - BRCM BDC USB3.0 device controller debug functions * * Copyright (C) 2014 Broadcom Corporation * * Author: Ashwini Pahuja - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include "bdc.h" diff --git a/drivers/usb/gadget/udc/bdc/bdc_dbg.h b/drivers/usb/gadget/udc/bdc/bdc_dbg.h index 338a6c701315..373d5abffbb8 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_dbg.h +++ b/drivers/usb/gadget/udc/bdc/bdc_dbg.h @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_dbg.h - header for the BDC debug functions * * Copyright (C) 2014 Broadcom Corporation * * Author: Ashwini Pahuja - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_BDC_DBG_H__ #define __LINUX_BDC_DBG_H__ diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index bfd8f7ade935..f40d4c13cfa4 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_ep.c - BRCM BDC USB3.0 device controller endpoint related functions * @@ -6,12 +7,6 @@ * Author: Ashwini Pahuja * * Based on drivers under drivers/usb/ - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.h b/drivers/usb/gadget/udc/bdc/bdc_ep.h index 8a6b36cbf2ea..a37ff8033b4f 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.h +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.h @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_ep.h - header for the BDC debug functions * * Copyright (C) 2014 Broadcom Corporation * * Author: Ashwini Pahuja - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #ifndef __LINUX_BDC_EP_H__ #define __LINUX_BDC_EP_H__ diff --git a/drivers/usb/gadget/udc/bdc/bdc_pci.c b/drivers/usb/gadget/udc/bdc/bdc_pci.c index 02968842b359..1e940f054cb8 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_pci.c +++ b/drivers/usb/gadget/udc/bdc/bdc_pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_pci.c - BRCM BDC USB3.0 device controller PCI interface file. * @@ -6,12 +7,6 @@ * Author: Ashwini Pahuja * * Based on drivers under drivers/usb/ - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/udc/bdc/bdc_udc.c b/drivers/usb/gadget/udc/bdc/bdc_udc.c index c84346146456..7bfd58c846f7 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_udc.c +++ b/drivers/usb/gadget/udc/bdc/bdc_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * bdc_udc.c - BRCM BDC USB3.0 device controller gagdet ops * @@ -6,12 +7,6 @@ * Author: Ashwini Pahuja * * Based on drivers under drivers/usb/gadget/udc/ - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index d41d07aae0ce..61422d624ad0 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /** * udc.c - Core UDC Framework * * Copyright (C) 2010 Texas Instruments * Author: Felipe Balbi <balbi@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> @@ -912,7 +901,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget, return 0; type = usb_endpoint_type(desc); - max = 0x7ff & usb_endpoint_maxp(desc); + max = usb_endpoint_maxp(desc); if (usb_endpoint_dir_in(desc) && !ep->caps.dir_in) return 0; diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index f04e91ef9e7c..4f1b1809472c 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * dummy_hcd.c -- Dummy/Loopback USB host and device emulator driver. * @@ -5,11 +6,6 @@ * * Copyright (C) 2003 David Brownell * Copyright (C) 2003-2005 Alan Stern - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ @@ -23,6 +19,8 @@ * * Having this all in one kernel can help some stages of development, * bypassing some hardware (and driver) issues. UML could help too. + * + * Note: The emulation does not include isochronous transfers! */ #include <linux/module.h> @@ -137,6 +135,9 @@ static const struct { .caps = _caps, \ } +/* we don't provide isochronous endpoints since we don't support them */ +#define TYPE_BULK_OR_INT (USB_EP_CAPS_TYPE_BULK | USB_EP_CAPS_TYPE_INT) + /* everyone has ep0 */ EP_INFO(ep0name, USB_EP_CAPS(USB_EP_CAPS_TYPE_CONTROL, USB_EP_CAPS_DIR_ALL)), @@ -145,64 +146,72 @@ static const struct { USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), EP_INFO("ep2out-bulk", USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), +/* EP_INFO("ep3in-iso", USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), EP_INFO("ep4out-iso", USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), +*/ EP_INFO("ep5in-int", USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), EP_INFO("ep6in-bulk", USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), EP_INFO("ep7out-bulk", USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), +/* EP_INFO("ep8in-iso", USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), EP_INFO("ep9out-iso", USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), +*/ EP_INFO("ep10in-int", USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), EP_INFO("ep11in-bulk", USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), EP_INFO("ep12out-bulk", USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), +/* EP_INFO("ep13in-iso", USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_IN)), EP_INFO("ep14out-iso", USB_EP_CAPS(USB_EP_CAPS_TYPE_ISO, USB_EP_CAPS_DIR_OUT)), +*/ EP_INFO("ep15in-int", USB_EP_CAPS(USB_EP_CAPS_TYPE_INT, USB_EP_CAPS_DIR_IN)), + /* or like sa1100: two fixed function endpoints */ EP_INFO("ep1out-bulk", USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep2in-bulk", USB_EP_CAPS(USB_EP_CAPS_TYPE_BULK, USB_EP_CAPS_DIR_IN)), + /* and now some generic EPs so we have enough in multi config */ EP_INFO("ep3out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep4in", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)), EP_INFO("ep5out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep6out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep7in", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)), EP_INFO("ep8out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep9in", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)), EP_INFO("ep10out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep11out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep12in", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)), EP_INFO("ep13out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), EP_INFO("ep14in", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_IN)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_IN)), EP_INFO("ep15out", - USB_EP_CAPS(USB_EP_CAPS_TYPE_ALL, USB_EP_CAPS_DIR_OUT)), + USB_EP_CAPS(TYPE_BULK_OR_INT, USB_EP_CAPS_DIR_OUT)), #undef EP_INFO }; @@ -556,10 +565,12 @@ static int dummy_enable(struct usb_ep *_ep, if (max <= 1024) break; /* save a return statement */ + /* fall through */ case USB_SPEED_FULL: if (max <= 64) break; /* save a return statement */ + /* fall through */ default: if (max <= 8) break; @@ -577,6 +588,7 @@ static int dummy_enable(struct usb_ep *_ep, if (max <= 1024) break; /* save a return statement */ + /* fall through */ case USB_SPEED_FULL: if (max <= 1023) break; @@ -1769,6 +1781,7 @@ static void dummy_timer(unsigned long _dum_hcd) int i; /* simplistic model for one frame's bandwidth */ + /* FIXME: account for transaction and packet overhead */ switch (dum->gadget.speed) { case USB_SPEED_LOW: total = 8/*bytes*/ * 12/*packets*/; @@ -1813,7 +1826,6 @@ restart: struct dummy_request *req; u8 address; struct dummy_ep *ep = NULL; - int type; int status = -EINPROGRESS; /* stop when we reach URBs queued after the timer interrupt */ @@ -1825,14 +1837,10 @@ restart: goto return_urb; else if (dum_hcd->rh_state != DUMMY_RH_RUNNING) continue; - type = usb_pipetype(urb->pipe); - /* used up this frame's non-periodic bandwidth? - * FIXME there's infinite bandwidth for control and - * periodic transfers ... unrealistic. - */ - if (total <= 0 && type == PIPE_BULK) - continue; + /* Used up this frame's bandwidth? */ + if (total <= 0) + break; /* find the gadget's ep for this request (if configured) */ address = usb_pipeendpoint (urb->pipe); @@ -1930,13 +1938,17 @@ restart: limit = total; switch (usb_pipetype(urb->pipe)) { case PIPE_ISOCHRONOUS: - /* FIXME is it urb->interval since the last xfer? - * use urb->iso_frame_desc[i]. - * complete whether or not ep has requests queued. - * report random errors, to debug drivers. + /* + * We don't support isochronous. But if we did, + * here are some of the issues we'd have to face: + * + * Is it urb->interval since the last xfer? + * Use urb->iso_frame_desc[i]. + * Complete whether or not ep has requests queued. + * Report random errors, to debug drivers. */ limit = max(limit, periodic_bytes(dum, ep)); - status = -ENOSYS; + status = -EINVAL; /* fail all xfers */ break; case PIPE_INTERRUPT: @@ -2433,9 +2445,7 @@ static DEVICE_ATTR_RO(urbs); static int dummy_start_ss(struct dummy_hcd *dum_hcd) { - init_timer(&dum_hcd->timer); - dum_hcd->timer.function = dummy_timer; - dum_hcd->timer.data = (unsigned long)dum_hcd; + setup_timer(&dum_hcd->timer, dummy_timer, (unsigned long)dum_hcd); dum_hcd->rh_state = DUMMY_RH_RUNNING; dum_hcd->stream_en_ep = 0; INIT_LIST_HEAD(&dum_hcd->urbp_list); @@ -2464,9 +2474,7 @@ static int dummy_start(struct usb_hcd *hcd) return dummy_start_ss(dum_hcd); spin_lock_init(&dum_hcd->dum->lock); - init_timer(&dum_hcd->timer); - dum_hcd->timer.function = dummy_timer; - dum_hcd->timer.data = (unsigned long)dum_hcd; + setup_timer(&dum_hcd->timer, dummy_timer, (unsigned long)dum_hcd); dum_hcd->rh_state = DUMMY_RH_RUNNING; INIT_LIST_HEAD(&dum_hcd->urbp_list); diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index 78d0204e3e20..53a48f561458 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * FOTG210 UDC Driver supports Bulk transfer so far * * Copyright (C) 2013 Faraday Technology Corporation * * Author : Yuan-Hsin Chen <yhchen@faraday-tech.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/dma-mapping.h> diff --git a/drivers/usb/gadget/udc/fotg210.h b/drivers/usb/gadget/udc/fotg210.h index bbf991bcbe7c..08c32957503b 100644 --- a/drivers/usb/gadget/udc/fotg210.h +++ b/drivers/usb/gadget/udc/fotg210.h @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Faraday FOTG210 USB OTG controller * * Copyright (C) 2013 Faraday Technology Corporation * Author: Yuan-Hsin Chen <yhchen@faraday-tech.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/gadget/udc/fsl_mxc_udc.c b/drivers/usb/gadget/udc/fsl_mxc_udc.c index f16e149c5b3e..f29cf5c6160c 100644 --- a/drivers/usb/gadget/udc/fsl_mxc_udc.c +++ b/drivers/usb/gadget/udc/fsl_mxc_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2009 * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> @@ -5,11 +6,6 @@ * Description: * Helper routines for i.MX3x SoCs from Freescale, needed by the fsl_usb2_udc.c * driver to function correctly on these systems. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/clk.h> #include <linux/delay.h> diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index a3e72d690eef..2707be628298 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * driver/usb/gadget/fsl_qe_udc.c * @@ -11,11 +12,6 @@ * Freescle QE/CPM USB Pheripheral Controller Driver * The controller can be found on MPC8360, MPC8272, and etc. * MPC8360 Rev 1.1 may need QE mircocode update - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #undef USB_TRACE diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.h b/drivers/usb/gadget/udc/fsl_qe_udc.h index 7026919fc901..2c537a904ee7 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.h +++ b/drivers/usb/gadget/udc/fsl_qe_udc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * drivers/usb/gadget/qe_udc.h * @@ -8,11 +9,6 @@ * * Description: * Freescale USB device/endpoint management registers - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #ifndef __FSL_QE_UDC_H diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index 6f2f71c054be..d606d4f13098 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2004-2007,2011-2012 Freescale Semiconductor, Inc. * All rights reserved. @@ -10,11 +11,6 @@ * This can be found on MPC8349E/MPC8313E/MPC5121E cpus. * The driver is previously named as mpc_udc. Based on bare board * code from Dave Liu and Shlomi Gridish. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #undef VERBOSE diff --git a/drivers/usb/gadget/udc/fsl_usb2_udc.h b/drivers/usb/gadget/udc/fsl_usb2_udc.h index e92b8408b6f6..4ba651ae9048 100644 --- a/drivers/usb/gadget/udc/fsl_usb2_udc.h +++ b/drivers/usb/gadget/udc/fsl_usb2_udc.h @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2004,2012 Freescale Semiconductor, Inc * All rights reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * * Freescale USB device/endpoint management registers */ #ifndef __FSL_USB2_UDC_H diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index e0c1b0099265..263804d154a7 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Fusb300 UDC (USB gadget) * * Copyright (C) 2010 Faraday Technology Corp. * * Author : Yuan-hsin Chen <yhchen@faraday-tech.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/dma-mapping.h> #include <linux/err.h> diff --git a/drivers/usb/gadget/udc/fusb300_udc.h b/drivers/usb/gadget/udc/fusb300_udc.h index ad39f892d200..eb3d6d379ba7 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.h +++ b/drivers/usb/gadget/udc/fusb300_udc.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Fusb300 UDC (USB gadget) * * Copyright (C) 2010 Faraday Technology Corp. * * Author : Yuan-hsin Chen <yhchen@faraday-tech.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ diff --git a/drivers/usb/gadget/udc/goku_udc.c b/drivers/usb/gadget/udc/goku_udc.c index 8433c22900dc..4504d0b202db 100644 --- a/drivers/usb/gadget/udc/goku_udc.c +++ b/drivers/usb/gadget/udc/goku_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Toshiba TC86C001 ("Goku-S") USB Device Controller driver * @@ -5,10 +6,6 @@ * by Stuart Lynne, Tom Rushworth, and Bruce Balden * Copyright (C) 2002 Toshiba Corporation * Copyright (C) 2003 MontaVista Software (source@mvista.com) - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ /* @@ -127,11 +124,15 @@ goku_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) mode = 0; max = get_unaligned_le16(&desc->wMaxPacketSize); switch (max) { - case 64: mode++; - case 32: mode++; - case 16: mode++; - case 8: mode <<= 3; - break; + case 64: + mode++; /* fall through */ + case 32: + mode++; /* fall through */ + case 16: + mode++; /* fall through */ + case 8: + mode <<= 3; + break; default: return -EINVAL; } diff --git a/drivers/usb/gadget/udc/goku_udc.h b/drivers/usb/gadget/udc/goku_udc.h index 86d2adafe149..26601bf4e7a9 100644 --- a/drivers/usb/gadget/udc/goku_udc.h +++ b/drivers/usb/gadget/udc/goku_udc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Toshiba TC86C001 ("Goku-S") USB Device Controller driver * @@ -5,10 +6,6 @@ * by Stuart Lynne, Tom Rushworth, and Bruce Balden * Copyright (C) 2002 Toshiba Corporation * Copyright (C) 2003 MontaVista Software (source@mvista.com) - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ /* diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index 0b59fa50aa30..b3fb1bbdb854 100644 --- a/drivers/usb/gadget/udc/gr_udc.c +++ b/drivers/usb/gadget/udc/gr_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Peripheral Controller driver for Aeroflex Gaisler GRUSBDC. * @@ -9,11 +10,6 @@ * Full documentation of the GRUSBDC core can be found here: * http://www.gaisler.com/products/grlib/grip.pdf * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * * Contributors: * - Andreas Larsson <andreas@gaisler.com> * - Marko Isomaki @@ -1538,7 +1534,7 @@ static int gr_ep_enable(struct usb_ep *_ep, * Bits 10-0 set the max payload. 12-11 set the number of * additional transactions. */ - max = 0x7ff & usb_endpoint_maxp(desc); + max = usb_endpoint_maxp(desc); nt = usb_endpoint_maxp_mult(desc) - 1; buffer_size = GR_BUFFER_SIZE(epctrl); if (nt && (mode == 0 || mode == 2)) { diff --git a/drivers/usb/gadget/udc/gr_udc.h b/drivers/usb/gadget/udc/gr_udc.h index 4297c4e8021f..3e913268c8c5 100644 --- a/drivers/usb/gadget/udc/gr_udc.h +++ b/drivers/usb/gadget/udc/gr_udc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Peripheral Controller driver for Aeroflex Gaisler GRUSBDC. * @@ -9,11 +10,6 @@ * Full documentation of the GRUSBDC core can be found here: * http://www.gaisler.com/products/grlib/grip.pdf * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * * Contributors: * - Andreas Larsson <andreas@gaisler.com> * - Marko Isomaki diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index 8f32b5ee7734..b0781771704e 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Gadget driver for LPC32xx * @@ -12,20 +13,6 @@ * * Note: This driver is based on original work done by Mike James for * the LPC3180. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/clk.h> diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c index 46ce7bc15f2b..f19e6282a688 100644 --- a/drivers/usb/gadget/udc/m66592-udc.c +++ b/drivers/usb/gadget/udc/m66592-udc.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * M66592 UDC (USB gadget) * * Copyright (C) 2006-2007 Renesas Solutions Corp. * * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/module.h> @@ -1592,9 +1589,7 @@ static int m66592_probe(struct platform_device *pdev) m66592->gadget.max_speed = USB_SPEED_HIGH; m66592->gadget.name = udc_name; - init_timer(&m66592->timer); - m66592->timer.function = m66592_timer; - m66592->timer.data = (unsigned long)m66592; + setup_timer(&m66592->timer, m66592_timer, (unsigned long)m66592); m66592->reg = reg; ret = request_irq(ires->start, m66592_irq, IRQF_SHARED, diff --git a/drivers/usb/gadget/udc/m66592-udc.h b/drivers/usb/gadget/udc/m66592-udc.h index 96d49d7bfb6b..01a64685b8a3 100644 --- a/drivers/usb/gadget/udc/m66592-udc.h +++ b/drivers/usb/gadget/udc/m66592-udc.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * M66592 UDC (USB gadget) * * Copyright (C) 2006-2007 Renesas Solutions Corp. * * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #ifndef __M66592_UDC_H__ diff --git a/drivers/usb/gadget/udc/mv_u3d.h b/drivers/usb/gadget/udc/mv_u3d.h index e32a787ac373..982625b7197a 100644 --- a/drivers/usb/gadget/udc/mv_u3d.h +++ b/drivers/usb/gadget/udc/mv_u3d.h @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. */ #ifndef __MV_U3D_H diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c index 772049afe166..35e02a8d0091 100644 --- a/drivers/usb/gadget/udc/mv_u3d_core.c +++ b/drivers/usb/gadget/udc/mv_u3d_core.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/usb/gadget/udc/mv_udc.h b/drivers/usb/gadget/udc/mv_udc.h index be77f207dbaf..b3f759c0962c 100644 --- a/drivers/usb/gadget/udc/mv_udc.h +++ b/drivers/usb/gadget/udc/mv_udc.h @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef __MV_UDC_H diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 4103bf7cf52a..95f52232493b 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. * Author: Chao Xie <chao.xie@marvell.com> * Neil Zhang <zhangwm@marvell.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/module.h> diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 8f85a51bd2b3..660878a19505 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for PLX NET2272 USB device controller * * Copyright (C) 2005-2006 PLX Technology, Inc. * Copyright (C) 2006-2011 Analog Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/delay.h> diff --git a/drivers/usb/gadget/udc/net2272.h b/drivers/usb/gadget/udc/net2272.h index 69bc9c3c6ce4..8e644627992d 100644 --- a/drivers/usb/gadget/udc/net2272.h +++ b/drivers/usb/gadget/udc/net2272.h @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * PLX NET2272 high/full speed USB device controller * * Copyright (C) 2005-2006 PLX Technology, Inc. * Copyright (C) 2006-2011 Analog Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __NET2272_H__ diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index f608c1f85e61..318246d8b2e2 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for the PLX NET2280 USB device controller. * Specs and errata are available from <http://www.plxtech.com>. @@ -31,11 +32,6 @@ * * Modified Ricardo Ribalda Qtechnology AS to provide compatibility * with usb 338x chip. Based on PLX driver - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/module.h> diff --git a/drivers/usb/gadget/udc/net2280.h b/drivers/usb/gadget/udc/net2280.h index 1088c3745999..b65a797544d7 100644 --- a/drivers/usb/gadget/udc/net2280.h +++ b/drivers/usb/gadget/udc/net2280.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * NetChip 2280 high/full speed USB device controller. * Unlike many such controllers, this one talks PCI. @@ -7,11 +8,6 @@ * Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com) * Copyright (C) 2003 David Brownell * Copyright (C) 2014 Ricardo Ribalda - Qtechnology/AS - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/usb/net2280.h> diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c index f05ba6825bfe..fc7f810baef7 100644 --- a/drivers/usb/gadget/udc/omap_udc.c +++ b/drivers/usb/gadget/udc/omap_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * omap_udc.c -- for OMAP full speed udc; most chips support OTG. * @@ -5,11 +6,6 @@ * Copyright (C) 2004-2005 David Brownell * * OMAP2 & DMA support by Kyungmin Park <kyungmin.park@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #undef DEBUG diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index 84dcbcd756f0..afaea11ec771 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1,9 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> diff --git a/drivers/usb/gadget/udc/pxa25x_udc.c b/drivers/usb/gadget/udc/pxa25x_udc.c index a238da906115..8f135d9fa245 100644 --- a/drivers/usb/gadget/udc/pxa25x_udc.c +++ b/drivers/usb/gadget/udc/pxa25x_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Intel PXA25x and IXP4xx on-chip full speed USB device controllers * @@ -6,11 +7,6 @@ * Copyright (C) 2003 Benedikt Spranger, Pengutronix * Copyright (C) 2003 David Brownell * Copyright (C) 2003 Joshua Wise - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* #define VERBOSE_DEBUG */ @@ -2417,9 +2413,7 @@ static int pxa25x_udc_probe(struct platform_device *pdev) gpio_direction_output(dev->mach->gpio_pullup, 0); } - init_timer(&dev->timer); - dev->timer.function = udc_watchdog; - dev->timer.data = (unsigned long) dev; + setup_timer(&dev->timer, udc_watchdog, (unsigned long)dev); the_controller = dev; platform_set_drvdata(pdev, dev); diff --git a/drivers/usb/gadget/udc/pxa25x_udc.h b/drivers/usb/gadget/udc/pxa25x_udc.h index a458bec2536d..ccc6b921f067 100644 --- a/drivers/usb/gadget/udc/pxa25x_udc.h +++ b/drivers/usb/gadget/udc/pxa25x_udc.h @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Intel PXA25x on-chip full speed USB device controller * * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix * Copyright (C) 2003 David Brownell - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __LINUX_USB_GADGET_PXA25X_H diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index d48e239660c3..be2761f1b3f5 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Handles the Intel 27x USB Device Controller (UDC) * * Inspired by original driver by Frank Becker, David Brownell, and others. * Copyright (C) 2008 Robert Jarzmik - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/usb/gadget/udc/pxa27x_udc.h b/drivers/usb/gadget/udc/pxa27x_udc.h index cea2cb79b30c..1128d39a4255 100644 --- a/drivers/usb/gadget/udc/pxa27x_udc.h +++ b/drivers/usb/gadget/udc/pxa27x_udc.h @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * linux/drivers/usb/gadget/pxa27x_udc.h * Intel PXA27x on-chip full speed USB device controller * * Inspired by original driver by Frank Becker, David Brownell, and others. * Copyright (C) 2008 Robert Jarzmik - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __LINUX_USB_GADGET_PXA27X_H diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c index 118ad70f1af0..143122ed3c66 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.c +++ b/drivers/usb/gadget/udc/r8a66597-udc.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R8A66597 UDC (USB gadget) * * Copyright (C) 2006-2009 Renesas Solutions Corp. * * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/module.h> @@ -1877,9 +1874,7 @@ static int r8a66597_probe(struct platform_device *pdev) r8a66597->gadget.max_speed = USB_SPEED_HIGH; r8a66597->gadget.name = udc_name; - init_timer(&r8a66597->timer); - r8a66597->timer.function = r8a66597_timer; - r8a66597->timer.data = (unsigned long)r8a66597; + setup_timer(&r8a66597->timer, r8a66597_timer, (unsigned long)r8a66597); r8a66597->reg = reg; if (r8a66597->pdata->on_chip) { diff --git a/drivers/usb/gadget/udc/r8a66597-udc.h b/drivers/usb/gadget/udc/r8a66597-udc.h index 45c4b2df1785..9a115caba661 100644 --- a/drivers/usb/gadget/udc/r8a66597-udc.h +++ b/drivers/usb/gadget/udc/r8a66597-udc.h @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R8A66597 UDC * * Copyright (C) 2007-2009 Renesas Solutions Corp. * * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #ifndef __R8A66597_H__ diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 63a206122058..bc37f40baacf 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -1,22 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas USB3.0 Peripheral driver (USB gadget) * - * Copyright (C) 2015 Renesas Electronics Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. + * Copyright (C) 2015-2017 Renesas Electronics Corporation */ #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/err.h> -#include <linux/extcon.h> +#include <linux/extcon-provider.h> #include <linux/interrupt.h> #include <linux/io.h> #include <linux/module.h> #include <linux/of_device.h> +#include <linux/phy/phy.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/sizes.h> @@ -334,6 +332,7 @@ struct renesas_usb3 { struct usb_gadget_driver *driver; struct extcon_dev *extcon; struct work_struct extcon_work; + struct phy *phy; struct renesas_usb3_ep *usb3_ep; int num_usb3_eps; @@ -2056,7 +2055,7 @@ static u32 usb3_calc_rammap_val(struct renesas_usb3_ep *usb3_ep, const struct usb_endpoint_descriptor *desc) { int i; - const u32 max_packet_array[] = {8, 16, 32, 64, 512}; + static const u32 max_packet_array[] = {8, 16, 32, 64, 512}; u32 mpkt = PN_RAMMAP_MPKT(1024); for (i = 0; i < ARRAY_SIZE(max_packet_array); i++) { @@ -2239,7 +2238,9 @@ static int renesas_usb3_start(struct usb_gadget *gadget, /* hook up the driver */ usb3->driver = driver; - pm_runtime_enable(usb3_to_dev(usb3)); + if (usb3->phy) + phy_init(usb3->phy); + pm_runtime_get_sync(usb3_to_dev(usb3)); renesas_usb3_init_controller(usb3); @@ -2256,8 +2257,10 @@ static int renesas_usb3_stop(struct usb_gadget *gadget) usb3->driver = NULL; renesas_usb3_stop_controller(usb3); + if (usb3->phy) + phy_exit(usb3->phy); + pm_runtime_put(usb3_to_dev(usb3)); - pm_runtime_disable(usb3_to_dev(usb3)); return 0; } @@ -2405,6 +2408,9 @@ static int renesas_usb3_remove(struct platform_device *pdev) renesas_usb3_dma_free_prd(usb3, &pdev->dev); __renesas_usb3_ep_free_request(usb3->ep0_req); + if (usb3->phy) + phy_put(usb3->phy); + pm_runtime_disable(usb3_to_dev(usb3)); return 0; } @@ -2560,20 +2566,15 @@ static int renesas_usb3_probe(struct platform_device *pdev) { struct renesas_usb3 *usb3; struct resource *res; - const struct of_device_id *match; int irq, ret; const struct renesas_usb3_priv *priv; const struct soc_device_attribute *attr; - match = of_match_node(usb3_of_match, pdev->dev.of_node); - if (!match) - return -ENODEV; - attr = soc_device_match(renesas_usb3_quirks_match); if (attr) priv = attr->data; else - priv = match->data; + priv = of_device_get_match_data(&pdev->dev); irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -2635,11 +2636,20 @@ static int renesas_usb3_probe(struct platform_device *pdev) if (ret < 0) goto err_dev_create; + /* + * This is an optional. So, if this driver cannot get a phy, + * this driver will not handle a phy anymore. + */ + usb3->phy = devm_phy_get(&pdev->dev, "usb"); + if (IS_ERR(usb3->phy)) + usb3->phy = NULL; + usb3->workaround_for_vbus = priv->workaround_for_vbus; renesas_usb3_debugfs_init(usb3, &pdev->dev); - dev_info(&pdev->dev, "probed\n"); + dev_info(&pdev->dev, "probed%s\n", usb3->phy ? " with phy" : ""); + pm_runtime_enable(usb3_to_dev(usb3)); return 0; @@ -2655,11 +2665,49 @@ err_alloc_prd: return ret; } +#ifdef CONFIG_PM_SLEEP +static int renesas_usb3_suspend(struct device *dev) +{ + struct renesas_usb3 *usb3 = dev_get_drvdata(dev); + + /* Not started */ + if (!usb3->driver) + return 0; + + renesas_usb3_stop_controller(usb3); + if (usb3->phy) + phy_exit(usb3->phy); + pm_runtime_put(dev); + + return 0; +} + +static int renesas_usb3_resume(struct device *dev) +{ + struct renesas_usb3 *usb3 = dev_get_drvdata(dev); + + /* Not started */ + if (!usb3->driver) + return 0; + + if (usb3->phy) + phy_init(usb3->phy); + pm_runtime_get_sync(dev); + renesas_usb3_init_controller(usb3); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(renesas_usb3_pm_ops, renesas_usb3_suspend, + renesas_usb3_resume); + static struct platform_driver renesas_usb3_driver = { .probe = renesas_usb3_probe, .remove = renesas_usb3_remove, .driver = { .name = (char *)udc_name, + .pm = &renesas_usb3_pm_ops, .of_match_table = of_match_ptr(usb3_of_match), }, }; diff --git a/drivers/usb/gadget/udc/s3c-hsudc.c b/drivers/usb/gadget/udc/s3c-hsudc.c index 42587b738a1f..31c7c5587cf9 100644 --- a/drivers/usb/gadget/udc/s3c-hsudc.c +++ b/drivers/usb/gadget/udc/s3c-hsudc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* linux/drivers/usb/gadget/s3c-hsudc.c * * Copyright (c) 2010 Samsung Electronics Co., Ltd. @@ -8,11 +9,7 @@ * The S3C24XX USB 2.0 high-speed USB controller supports upto 9 endpoints. * Each endpoint can be configured as either in or out endpoint. Endpoints * can be configured for Bulk or Interrupt transfer mode. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ + */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c index 394abd5d65c0..f154f49e98c8 100644 --- a/drivers/usb/gadget/udc/s3c2410_udc.c +++ b/drivers/usb/gadget/udc/s3c2410_udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * linux/drivers/usb/gadget/s3c2410_udc.c * @@ -5,11 +6,6 @@ * * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard * Additional cleanups by Ben Dooks <ben-linux@fluff.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #define pr_fmt(fmt) "s3c2410_udc: " fmt diff --git a/drivers/usb/gadget/udc/s3c2410_udc.h b/drivers/usb/gadget/udc/s3c2410_udc.h index 93bf225f1969..bdcaa8dd300f 100644 --- a/drivers/usb/gadget/udc/s3c2410_udc.h +++ b/drivers/usb/gadget/udc/s3c2410_udc.h @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * linux/drivers/usb/gadget/s3c2410_udc.h * Samsung on-chip full speed USB device controllers * * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard * Additional cleanups by Ben Dooks <ben-linux@fluff.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef _S3C2410_UDC_H diff --git a/drivers/usb/gadget/udc/snps_udc_core.c b/drivers/usb/gadget/udc/snps_udc_core.c index 38a165dbf924..d4da47f4f6f4 100644 --- a/drivers/usb/gadget/udc/snps_udc_core.c +++ b/drivers/usb/gadget/udc/snps_udc_core.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * amd5536.c -- AMD 5536 UDC high/full speed USB device controller * * Copyright (C) 2005-2007 AMD (http://www.amd.com) * Author: Thomas Dahlmann - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* @@ -1733,7 +1729,7 @@ static void udc_soft_reset(struct udc *dev) } /* RDE timer callback to set RDE bit */ -static void udc_timer_function(unsigned long v) +static void udc_timer_function(struct timer_list *unused) { u32 tmp; @@ -1813,7 +1809,7 @@ static void udc_handle_halt_state(struct udc_ep *ep) } /* Stall timer callback to poll S bit and set it again after */ -static void udc_pollstall_timer_function(unsigned long v) +static void udc_pollstall_timer_function(struct timer_list *unused) { struct udc_ep *ep; int halted = 0; @@ -3067,14 +3063,12 @@ void udc_remove(struct udc *dev) stop_timer++; if (timer_pending(&udc_timer)) wait_for_completion(&on_exit); - if (udc_timer.data) - del_timer_sync(&udc_timer); + del_timer_sync(&udc_timer); /* remove pollstall timer */ stop_pollstall_timer++; if (timer_pending(&udc_pollstall_timer)) wait_for_completion(&on_pollstall_exit); - if (udc_pollstall_timer.data) - del_timer_sync(&udc_pollstall_timer); + del_timer_sync(&udc_pollstall_timer); udc = NULL; } EXPORT_SYMBOL_GPL(udc_remove); @@ -3164,10 +3158,6 @@ int udc_probe(struct udc *dev) u32 reg; int retval; - /* mark timer as not initialized */ - udc_timer.data = 0; - udc_pollstall_timer.data = 0; - /* device struct setup */ dev->gadget.ops = &udc_ops; @@ -3207,13 +3197,8 @@ int udc_probe(struct udc *dev) goto finished; /* timer init */ - init_timer(&udc_timer); - udc_timer.function = udc_timer_function; - udc_timer.data = 1; - /* timer pollstall init */ - init_timer(&udc_pollstall_timer); - udc_pollstall_timer.function = udc_pollstall_timer_function; - udc_pollstall_timer.data = 1; + timer_setup(&udc_timer, udc_timer_function, 0); + timer_setup(&udc_pollstall_timer, udc_pollstall_timer_function, 0); /* set SD */ reg = readl(&dev->regs->ctl); diff --git a/drivers/usb/gadget/udc/snps_udc_plat.c b/drivers/usb/gadget/udc/snps_udc_plat.c index e8a5fdaee37d..32f1d3e90c26 100644 --- a/drivers/usb/gadget/udc/snps_udc_plat.c +++ b/drivers/usb/gadget/udc/snps_udc_plat.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * snps_udc_plat.c - Synopsys UDC Platform Driver * * Copyright (C) 2016 Broadcom - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/extcon.h> diff --git a/drivers/usb/gadget/udc/trace.c b/drivers/usb/gadget/udc/trace.c index 8c551ab91ad8..7430624c0bd7 100644 --- a/drivers/usb/gadget/udc/trace.c +++ b/drivers/usb/gadget/udc/trace.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /** * trace.c - USB Gadget Framework Trace Support * * Copyright (C) 2016 Intel Corporation * Author: Felipe Balbi <felipe.balbi@linux.intel.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #define CREATE_TRACE_POINTS diff --git a/drivers/usb/gadget/udc/trace.h b/drivers/usb/gadget/udc/trace.h index da29874b5366..f07ddb3f4bb9 100644 --- a/drivers/usb/gadget/udc/trace.h +++ b/drivers/usb/gadget/udc/trace.h @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /** * udc.c - Core UDC Framework * * Copyright (C) 2016 Intel Corporation * Author: Felipe Balbi <felipe.balbi@linux.intel.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #undef TRACE_SYSTEM diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c index de207a90571e..7da2b9ce8cb3 100644 --- a/drivers/usb/gadget/udc/udc-xilinx.c +++ b/drivers/usb/gadget/udc/udc-xilinx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Xilinx USB peripheral controller driver * @@ -8,12 +9,6 @@ * * Some parts of this driver code is based on the driver for at91-series * USB peripheral controller (at91_udc.c). - * - * This program is free software; you can redistribute it - * and/or modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; - * either version 2 of the License, or (at your option) any - * later version. */ #include <linux/delay.h> diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c index 73a4dfba0edb..566ab261e8b7 100644 --- a/drivers/usb/gadget/usbstring.c +++ b/drivers/usb/gadget/usbstring.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: LGPL-2.1+ /* * Copyright (C) 2003 David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published - * by the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. */ #include <linux/errno.h> diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index fa5692dec832..b80a94e632af 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -45,12 +45,12 @@ config USB_XHCI_PLATFORM If unsure, say N. config USB_XHCI_MTK - tristate "xHCI support for Mediatek MT65xx/MT7621" + tristate "xHCI support for MediaTek SoCs" select MFD_SYSCON depends on (MIPS && SOC_MT7621) || ARCH_MEDIATEK || COMPILE_TEST ---help--- Say 'Y' to enable the support for the xHCI host controller - found in Mediatek MT65xx SoCs. + found in MediaTek SoCs. If unsure, say N. config USB_XHCI_MVEBU @@ -222,18 +222,6 @@ config USB_EHCI_HCD_AT91 Enables support for the on-chip EHCI controller on Atmel chips. -config USB_EHCI_MSM - tristate "Support for Qualcomm QSD/MSM on-chip EHCI USB controller" - depends on ARCH_QCOM - select USB_EHCI_ROOT_HUB_TT - ---help--- - Enables support for the USB Host controller present on the - Qualcomm chipsets. Root Hub has inbuilt TT. - This driver depends on OTG driver for PHY initialization, - clock management, powering up VBUS, and power management. - This driver is not supported on boards like trout which - has an external PHY. - config USB_EHCI_TEGRA tristate "NVIDIA Tegra HCD support" depends on ARCH_TEGRA diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 4ab2689c8952..32b036e2ffef 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -26,6 +26,10 @@ ifneq ($(CONFIG_USB_XHCI_RCAR), ) xhci-plat-hcd-y += xhci-rcar.o endif +ifneq ($(CONFIG_DEBUG_FS),) + xhci-hcd-y += xhci-debugfs.o +endif + obj-$(CONFIG_USB_WHCI_HCD) += whci/ obj-$(CONFIG_USB_PCI) += pci-quirks.o @@ -40,7 +44,6 @@ obj-$(CONFIG_USB_EHCI_HCD_SPEAR) += ehci-spear.o obj-$(CONFIG_USB_EHCI_HCD_STI) += ehci-st.o obj-$(CONFIG_USB_EHCI_EXYNOS) += ehci-exynos.o obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-atmel.o -obj-$(CONFIG_USB_EHCI_MSM) += ehci-msm.o obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o obj-$(CONFIG_USB_W90X900_EHCI) += ehci-w90x900.o diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c index 5f425c89faf1..2400a826397a 100644 --- a/drivers/usb/host/bcma-hcd.c +++ b/drivers/usb/host/bcma-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Broadcom specific Advanced Microcontroller Bus * Broadcom USB-core driver (BCMA bus glue) @@ -16,8 +17,6 @@ * * Derived from the USBcore related parts of Broadcom-SB * Copyright 2005-2011 Broadcom Corporation - * - * Licensed under the GNU/GPL. See COPYING for details. */ #include <linux/bcma/bcma.h> #include <linux/delay.h> diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 7440722bfbf0..3ba140ceaf52 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for EHCI UHP on Atmel chips * @@ -5,10 +6,6 @@ * Nicolas Ferre <nicolas.ferre@atmel.com> * * Based on various ehci-*.c drivers - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for - * more details. */ #include <linux/clk.h> @@ -205,7 +202,8 @@ static int __maybe_unused ehci_atmel_drv_resume(struct device *dev) struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd); atmel_start_clock(atmel_ehci); - return ehci_resume(hcd, false); + ehci_resume(hcd, false); + return 0; } #ifdef CONFIG_OF diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index cbb9b8e12c3c..19f00424f53e 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -1,16 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2001-2002 by David Brownell - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * */ /* this file is part of ehci-hcd.c */ diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index 26b641100639..d9145a8f35d2 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * SAMSUNG EXYNOS USB HOST EHCI Controller * * Copyright (C) 2011 Samsung Electronics Co.Ltd * Author: Jingoo Han <jg1.han@samsung.com> * Author: Joonyoung Shim <jy0922.shim@samsung.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/clk.h> diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index d025cc06dda7..c5094cb88cd5 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2005-2009 MontaVista Software, Inc. * Copyright 2008,2012,2015 Freescale Semiconductor, Inc. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * * Ported to 834x by Randy Vinson <rvinson@mvista.com> using code provided * by Hunter Wu. * Power Management support by Dave Liu <daveliu@freescale.com>, diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h index 1a8a60a57cf2..cbc422032e50 100644 --- a/drivers/usb/host/ehci-fsl.h +++ b/drivers/usb/host/ehci-fsl.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* Copyright (C) 2005-2010,2012 Freescale Semiconductor, Inc. * Copyright (c) 2005 MontaVista Software - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _EHCI_FSL_H #define _EHCI_FSL_H diff --git a/drivers/usb/host/ehci-grlib.c b/drivers/usb/host/ehci-grlib.c index 21650044b09e..656b8c08efc8 100644 --- a/drivers/usb/host/ehci-grlib.c +++ b/drivers/usb/host/ehci-grlib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Aeroflex Gaisler GRLIB GRUSBHC EHCI host controller * @@ -9,20 +10,6 @@ * (c) Valentine Barshak <vbarshak@ru.mvista.com> * and in turn based on "ehci-ppc-soc.c" by Stefan Roese <sr@denx.de> * and "ohci-ppc-of.c" by Sylvain Munaut <tnt@246tNt.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/err.h> diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 6e834b83a104..7f0737449df7 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Enhanced Host Controller Interface (EHCI) driver for USB. * * Maintainer: Alan Stern <stern@rowland.harvard.edu> * * Copyright (c) 2000-2004 by David Brownell - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> @@ -1012,7 +999,7 @@ idle_timeout: qh_destroy(ehci, qh); break; } - /* else FALL THROUGH */ + /* fall through */ default: /* caller was supposed to have unlinked any requests; * that's not our job. just leak this memory. diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index df169c8e7225..facafdf8fb95 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2001-2004 by David Brownell - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* this file is part of ehci-hcd.c */ diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c index 9b7e63977215..21307d862af6 100644 --- a/drivers/usb/host/ehci-mem.c +++ b/drivers/usb/host/ehci-mem.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2001 by David Brownell - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* this file is part of ehci-hcd.c */ diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c deleted file mode 100644 index 2f8d3af811ce..000000000000 --- a/drivers/usb/host/ehci-msm.c +++ /dev/null @@ -1,265 +0,0 @@ -/* ehci-msm.c - HSUSB Host Controller Driver Implementation - * - * Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved. - * - * Partly derived from ehci-fsl.c and ehci-hcd.c - * Copyright (c) 2000-2004 by David Brownell - * Copyright (c) 2005 MontaVista Software - * - * All source code in this file is licensed under the following license except - * where indicated. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * See the GNU General Public License for more details. - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can find it at http://www.fsf.org - */ - -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/pm_runtime.h> -#include <linux/usb/otg.h> -#include <linux/usb/msm_hsusb_hw.h> -#include <linux/usb.h> -#include <linux/usb/hcd.h> -#include <linux/acpi.h> - -#include "ehci.h" - -#define MSM_USB_BASE (hcd->regs) - -#define DRIVER_DESC "Qualcomm On-Chip EHCI Host Controller" - -static const char hcd_name[] = "ehci-msm"; -static struct hc_driver __read_mostly msm_hc_driver; - -static int ehci_msm_reset(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval; - - ehci->caps = USB_CAPLENGTH; - hcd->has_tt = 1; - - retval = ehci_setup(hcd); - if (retval) - return retval; - - /* select ULPI phy and clear other status/control bits in PORTSC */ - writel(PORTSC_PTS_ULPI, USB_PORTSC); - /* bursts of unspecified length. */ - writel(0, USB_AHBBURST); - /* Use the AHB transactor, allow posted data writes */ - writel(0x8, USB_AHBMODE); - /* Disable streaming mode and select host mode */ - writel(0x13, USB_USBMODE); - /* Disable ULPI_TX_PKT_EN_CLR_FIX which is valid only for HSIC */ - writel(readl(USB_GENCONFIG_2) & ~ULPI_TX_PKT_EN_CLR_FIX, USB_GENCONFIG_2); - - return 0; -} - -static int ehci_msm_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - struct resource *res; - struct usb_phy *phy; - int ret; - - dev_dbg(&pdev->dev, "ehci_msm proble\n"); - - hcd = usb_create_hcd(&msm_hc_driver, &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) { - dev_err(&pdev->dev, "Unable to create HCD\n"); - return -ENOMEM; - } - - ret = platform_get_irq(pdev, 0); - if (ret < 0) { - dev_err(&pdev->dev, "Unable to get IRQ resource\n"); - goto put_hcd; - } - hcd->irq = ret; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "Unable to get memory resource\n"); - ret = -ENODEV; - goto put_hcd; - } - - hcd->rsrc_start = res->start; - hcd->rsrc_len = resource_size(res); - hcd->regs = devm_ioremap(&pdev->dev, hcd->rsrc_start, hcd->rsrc_len); - if (!hcd->regs) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENOMEM; - goto put_hcd; - } - - /* - * If there is an OTG driver, let it take care of PHY initialization, - * clock management, powering up VBUS, mapping of registers address - * space and power management. - */ - if (pdev->dev.of_node) - phy = devm_usb_get_phy_by_phandle(&pdev->dev, "usb-phy", 0); - else - phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2); - - if (IS_ERR(phy)) { - if (PTR_ERR(phy) == -EPROBE_DEFER) { - dev_err(&pdev->dev, "unable to find transceiver\n"); - ret = -EPROBE_DEFER; - goto put_hcd; - } - phy = NULL; - } - - hcd->usb_phy = phy; - device_init_wakeup(&pdev->dev, 1); - - if (phy && phy->otg) { - /* - * MSM OTG driver takes care of adding the HCD and - * placing hardware into low power mode via runtime PM. - */ - ret = otg_set_host(phy->otg, &hcd->self); - if (ret < 0) { - dev_err(&pdev->dev, "unable to register with transceiver\n"); - goto put_hcd; - } - - pm_runtime_no_callbacks(&pdev->dev); - pm_runtime_enable(&pdev->dev); - } else { - ret = usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); - if (ret) - goto put_hcd; - } - - return 0; - -put_hcd: - usb_put_hcd(hcd); - - return ret; -} - -static int ehci_msm_remove(struct platform_device *pdev) -{ - struct usb_hcd *hcd = platform_get_drvdata(pdev); - - device_init_wakeup(&pdev->dev, 0); - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); - - if (hcd->usb_phy && hcd->usb_phy->otg) - otg_set_host(hcd->usb_phy->otg, NULL); - else - usb_remove_hcd(hcd); - - usb_put_hcd(hcd); - - return 0; -} - -#ifdef CONFIG_PM -static int ehci_msm_pm_suspend(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - bool do_wakeup = device_may_wakeup(dev); - - dev_dbg(dev, "ehci-msm PM suspend\n"); - - /* Only call ehci_suspend if ehci_setup has been done */ - if (ehci->sbrn) - return ehci_suspend(hcd, do_wakeup); - - return 0; -} - -static int ehci_msm_pm_resume(struct device *dev) -{ - struct usb_hcd *hcd = dev_get_drvdata(dev); - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - - dev_dbg(dev, "ehci-msm PM resume\n"); - - /* Only call ehci_resume if ehci_setup has been done */ - if (ehci->sbrn) - ehci_resume(hcd, false); - - return 0; -} - -#else -#define ehci_msm_pm_suspend NULL -#define ehci_msm_pm_resume NULL -#endif - -static const struct dev_pm_ops ehci_msm_dev_pm_ops = { - .suspend = ehci_msm_pm_suspend, - .resume = ehci_msm_pm_resume, -}; - -static const struct acpi_device_id msm_ehci_acpi_ids[] = { - { "QCOM8040", 0 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, msm_ehci_acpi_ids); - -static const struct of_device_id msm_ehci_dt_match[] = { - { .compatible = "qcom,ehci-host", }, - {} -}; -MODULE_DEVICE_TABLE(of, msm_ehci_dt_match); - -static struct platform_driver ehci_msm_driver = { - .probe = ehci_msm_probe, - .remove = ehci_msm_remove, - .shutdown = usb_hcd_platform_shutdown, - .driver = { - .name = "msm_hsusb_host", - .pm = &ehci_msm_dev_pm_ops, - .of_match_table = msm_ehci_dt_match, - .acpi_match_table = ACPI_PTR(msm_ehci_acpi_ids), - }, -}; - -static const struct ehci_driver_overrides msm_overrides __initconst = { - .reset = ehci_msm_reset, -}; - -static int __init ehci_msm_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - pr_info("%s: " DRIVER_DESC "\n", hcd_name); - ehci_init_driver(&msm_hc_driver, &msm_overrides); - return platform_driver_register(&ehci_msm_driver); -} -module_init(ehci_msm_init); - -static void __exit ehci_msm_cleanup(void) -{ - platform_driver_unregister(&ehci_msm_driver); -} -module_exit(ehci_msm_cleanup); - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_ALIAS("platform:msm-ehci"); -MODULE_LICENSE("GPL"); diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c index 849806a75f1c..de764459e05a 100644 --- a/drivers/usb/host/ehci-mv.c +++ b/drivers/usb/host/ehci-mv.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. * Author: Chao Xie <chao.xie@marvell.com> * Neil Zhang <zhangwm@marvell.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index c7a9b31eeaef..c9f91e6c72b6 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 4d308533bc83..854b146a457d 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * ehci-omap.c - driver for USBHOST on OMAP3/4 processors * @@ -14,21 +15,6 @@ * Contact: Felipe Balbi <felipe.balbi@nokia.com> * * Based on "ehci-fsl.c" and "ehci-au1xxx.c" ehci glue layers - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/kernel.h> diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index 1aec87ec68df..1ad72647a069 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/host/ehci-orion.c * * Tzachi Perelstein <tzachi@marvell.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 93326974ff4b..fe9422d3bcdc 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * EHCI HCD (Host Controller Driver) PCI Bus Glue. * * Copyright (c) 2000-2004 by David Brownell - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index f1908ea9fbd8..b065a960adc2 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generic platform ehci driver * @@ -16,8 +17,6 @@ * Copyright 2000-2002 David Brownell * Copyright 1999 Linus Torvalds * Copyright 1999 Gregory P. Smith - * - * Licensed under the GNU/GPL. See COPYING for details. */ #include <linux/acpi.h> #include <linux/clk.h> @@ -40,12 +39,11 @@ #define DRIVER_DESC "EHCI generic platform driver" #define EHCI_MAX_CLKS 4 -#define EHCI_MAX_RSTS 4 #define hcd_to_ehci_priv(h) ((struct ehci_platform_priv *)hcd_to_ehci(h)->priv) struct ehci_platform_priv { struct clk *clks[EHCI_MAX_CLKS]; - struct reset_control *rsts[EHCI_MAX_RSTS]; + struct reset_control *rsts; struct phy **phys; int num_phys; bool reset_on_resume; @@ -151,7 +149,7 @@ static int ehci_platform_probe(struct platform_device *dev) struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev); struct ehci_platform_priv *priv; struct ehci_hcd *ehci; - int err, irq, phy_num, clk = 0, rst; + int err, irq, phy_num, clk = 0; if (usb_disabled()) return -ENODEV; @@ -239,22 +237,16 @@ static int ehci_platform_probe(struct platform_device *dev) } } - for (rst = 0; rst < EHCI_MAX_RSTS; rst++) { - priv->rsts[rst] = devm_reset_control_get_shared_by_index( - &dev->dev, rst); - if (IS_ERR(priv->rsts[rst])) { - err = PTR_ERR(priv->rsts[rst]); - if (err == -EPROBE_DEFER) - goto err_reset; - priv->rsts[rst] = NULL; - break; - } - - err = reset_control_deassert(priv->rsts[rst]); - if (err) - goto err_reset; + priv->rsts = devm_reset_control_array_get_optional_shared(&dev->dev); + if (IS_ERR(priv->rsts)) { + err = PTR_ERR(priv->rsts); + goto err_put_clks; } + err = reset_control_deassert(priv->rsts); + if (err) + goto err_put_clks; + if (pdata->big_endian_desc) ehci->big_endian_desc = 1; if (pdata->big_endian_mmio) @@ -310,8 +302,7 @@ err_power: if (pdata->power_off) pdata->power_off(dev); err_reset: - while (--rst >= 0) - reset_control_assert(priv->rsts[rst]); + reset_control_assert(priv->rsts); err_put_clks: while (--clk >= 0) clk_put(priv->clks[clk]); @@ -329,15 +320,14 @@ static int ehci_platform_remove(struct platform_device *dev) struct usb_hcd *hcd = platform_get_drvdata(dev); struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev); struct ehci_platform_priv *priv = hcd_to_ehci_priv(hcd); - int clk, rst; + int clk; usb_remove_hcd(hcd); if (pdata->power_off) pdata->power_off(dev); - for (rst = 0; rst < EHCI_MAX_RSTS && priv->rsts[rst]; rst++) - reset_control_assert(priv->rsts[rst]); + reset_control_assert(priv->rsts); for (clk = 0; clk < EHCI_MAX_CLKS && priv->clks[clk]; clk++) clk_put(priv->clks[clk]); diff --git a/drivers/usb/host/ehci-pmcmsp.c b/drivers/usb/host/ehci-pmcmsp.c index 342816a7f8b1..46e160370d6e 100644 --- a/drivers/usb/host/ehci-pmcmsp.c +++ b/drivers/usb/host/ehci-pmcmsp.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PMC MSP EHCI (Host Controller Driver) for USB. * * (C) Copyright 2006-2010 PMC-Sierra Inc - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * */ /* includes */ diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c index 1a10c8d542ca..576f7d79ad4e 100644 --- a/drivers/usb/host/ehci-ppc-of.c +++ b/drivers/usb/host/ehci-ppc-of.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * EHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 7934ff9b35e1..8c733492d8fe 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PS3 EHCI Host Controller driver * * Copyright (C) 2006 Sony Computer Entertainment Inc. * Copyright 2006 Sony Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <asm/firmware.h> diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 8f3f055c05fa..88158324dcae 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2001-2004 by David Brownell - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* this file is part of ehci-hcd.c */ diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 6bc6304672bc..e56db44708bc 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2001-2004 by David Brownell * Copyright (c) 2003 Michal Sojka, for high-speed iso transfers - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* this file is part of ehci-hcd.c */ diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c index 5caf88d679e4..a9ee767952c1 100644 --- a/drivers/usb/host/ehci-sh.c +++ b/drivers/usb/host/ehci-sh.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SuperH EHCI host controller driver * * Copyright (C) 2010 Paul Mundt * * Based on ohci-sh.c and ehci-atmel.c. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #include <linux/platform_device.h> #include <linux/clk.h> diff --git a/drivers/usb/host/ehci-spear.c b/drivers/usb/host/ehci-spear.c index 1f25c7985f5b..add796c78561 100644 --- a/drivers/usb/host/ehci-spear.c +++ b/drivers/usb/host/ehci-spear.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for EHCI HCD on SPEAr SOC * @@ -5,10 +6,6 @@ * Deepak Sikri <deepak.sikri@st.com> * * Based on various ehci-*.c drivers -* -* This file is subject to the terms and conditions of the GNU General Public -* License. See the file COPYING in the main directory of this archive for -* more details. */ #include <linux/clk.h> diff --git a/drivers/usb/host/ehci-st.c b/drivers/usb/host/ehci-st.c index be4a2788fc58..3c1362ab70be 100644 --- a/drivers/usb/host/ehci-st.c +++ b/drivers/usb/host/ehci-st.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ST EHCI driver * @@ -6,10 +7,6 @@ * Author: Peter Griffin <peter.griffin@linaro.org> * * Derived from ehci-platform.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/clk.h> diff --git a/drivers/usb/host/ehci-sysfs.c b/drivers/usb/host/ehci-sysfs.c index 5216f2b09d63..71fb61dd4a87 100644 --- a/drivers/usb/host/ehci-sysfs.c +++ b/drivers/usb/host/ehci-sysfs.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2007 by Alan Stern - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* this file is part of ehci-hcd.c */ diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index 9a3d7db5be57..c809f7d2f08f 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -1,19 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * EHCI-compliant USB host controller driver for NVIDIA Tegra SoCs * * Copyright (C) 2010 Google, Inc. * Copyright (C) 2009 - 2013 NVIDIA Corporation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #include <linux/clk.h> diff --git a/drivers/usb/host/ehci-tilegx.c b/drivers/usb/host/ehci-tilegx.c index bdb93b6a356f..610ed437ed2c 100644 --- a/drivers/usb/host/ehci-tilegx.c +++ b/drivers/usb/host/ehci-tilegx.c @@ -1,15 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. */ /* diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c index 0b6cdb723192..4fcebda4b79d 100644 --- a/drivers/usb/host/ehci-timer.c +++ b/drivers/usb/host/ehci-timer.c @@ -1,15 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2012 by Alan Stern - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. */ /* This file is part of ehci-hcd.c */ diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index 63b9d0c67963..6d77ace1697b 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/driver/usb/host/ehci-w90x900.c * * Copyright (c) 2008 Nuvoton technology corporation. * * Wan ZongShun <mcuos.com@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation;version 2 of the License. - * */ #include <linux/dma-mapping.h> diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c index f54480850bb8..d2a27578e440 100644 --- a/drivers/usb/host/ehci-xilinx-of.c +++ b/drivers/usb/host/ehci-xilinx-of.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * EHCI HCD (Host Controller Driver) for USB. * @@ -8,21 +9,6 @@ * Based on "ehci-ppc-of.c" by Valentine Barshak <vbarshak@ru.mvista.com> * and "ehci-ppc-soc.c" by Stefan Roese <sr@denx.de> * and "ohci-ppc-of.c" by Sylvain Munaut <tnt@246tNt.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #include <linux/err.h> diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index a8e36170d8b8..c8e9a48e1d51 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2001-2002 by David Brownell - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __LINUX_EHCI_HCD_H diff --git a/drivers/usb/host/fhci-dbg.c b/drivers/usb/host/fhci-dbg.c index b58e7a60913a..fafa91189e45 100644 --- a/drivers/usb/host/fhci-dbg.c +++ b/drivers/usb/host/fhci-dbg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 55a0ae6f2d74..48fe9e6c2465 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/module.h> diff --git a/drivers/usb/host/fhci-hub.c b/drivers/usb/host/fhci-hub.c index 60d55eb3de0d..c359dcdb9b13 100644 --- a/drivers/usb/host/fhci-hub.c +++ b/drivers/usb/host/fhci-hub.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/fhci-mem.c b/drivers/usb/host/fhci-mem.c index b0b88f57a5ac..658aedc6adc1 100644 --- a/drivers/usb/host/fhci-mem.c +++ b/drivers/usb/host/fhci-mem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/fhci-q.c b/drivers/usb/host/fhci-q.c index 03be7494a476..669c240523fe 100644 --- a/drivers/usb/host/fhci-q.c +++ b/drivers/usb/host/fhci-q.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c index 2f162faabbca..3d12cdd5f999 100644 --- a/drivers/usb/host/fhci-sched.c +++ b/drivers/usb/host/fhci-sched.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c index f82ad5df1b0d..3a4e8f616751 100644 --- a/drivers/usb/host/fhci-tds.c +++ b/drivers/usb/host/fhci-tds.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/fhci.h b/drivers/usb/host/fhci.h index 3fc82c1c3c73..e7ec41d62410 100644 --- a/drivers/usb/host/fhci.h +++ b/drivers/usb/host/fhci.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale QUICC Engine USB Host Controller Driver * @@ -8,11 +9,6 @@ * Peter Barada <peterb@logicpd.com> * Copyright (c) MontaVista Software, Inc. 2008. * Anton Vorontsov <avorontsov@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef __FHCI_H diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 457cc6525abd..62fc955085a1 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* Faraday FOTG210 EHCI-like driver * * Copyright (c) 2013 Faraday Technology Corporation @@ -7,20 +8,6 @@ * Po-Yu Chuang <ratbert.chuang@gmail.com> * * Most of code borrowed from the Linux-3.7 EHCI driver - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> #include <linux/device.h> @@ -5449,7 +5436,7 @@ idle_timeout: qh_destroy(fotg210, qh); break; } - /* else FALL THROUGH */ + /* fall through */ default: /* caller was supposed to have unlinked any requests; * that's not our job. just leak this memory. diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index ba557cdba8ef..677f9d592109 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Setup platform devices needed by the Freescale multi-port host * and/or dual-role USB controller modules based on the description * in flat device tree. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c index da3b18038d23..684d6f074c3a 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Host Wire Adapter: * Driver glue, HWA-specific functions, bridges to WAHC and WUSBHC @@ -5,21 +6,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * The HWA driver is a simple layer that forwards requests to the WAHC * (Wire Adater Host Controller) or WUSBHC (Wireless USB Host * Controller) layers. diff --git a/drivers/usb/host/imx21-dbg.c b/drivers/usb/host/imx21-dbg.c index 4f320d050da7..b964f9a51d87 100644 --- a/drivers/usb/host/imx21-dbg.c +++ b/drivers/usb/host/imx21-dbg.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2009 by Martin Fuzzey - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* this file is part of imx21-hcd.c */ diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index 39ae7fb64b6f..3a8bbfe43a8e 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Host Controller Driver for IMX21 * @@ -5,20 +6,6 @@ * Copyright (C) 2009 Martin Fuzzey * Originally written by Jay Monkman <jtm@lopingdog.com> * Ported to 2.6.30, debugged and enhanced by Martin Fuzzey - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ diff --git a/drivers/usb/host/imx21-hcd.h b/drivers/usb/host/imx21-hcd.h index 05122f8a6983..7b9cf0a38d6e 100644 --- a/drivers/usb/host/imx21-hcd.h +++ b/drivers/usb/host/imx21-hcd.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Macros and prototypes for i.MX21 * @@ -5,20 +6,6 @@ * Copyright (C) 2009 Martin Fuzzey * Originally written by Jay Monkman <jtm@lopingdog.com> * Ported to 2.6.30, debugged and enhanced by Martin Fuzzey - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __LINUX_IMX21_HCD_H__ diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c index 73fec38754f9..5f9234b9cf7b 100644 --- a/drivers/usb/host/isp116x-hcd.c +++ b/drivers/usb/host/isp116x-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ISP116x HCD (Host Controller Driver) for USB. * @@ -1018,6 +1019,7 @@ static int isp116x_hub_control(struct usb_hcd *hcd, spin_lock_irqsave(&isp116x->lock, flags); isp116x_write_reg32(isp116x, HCRHSTATUS, RH_HS_OCIC); spin_unlock_irqrestore(&isp116x->lock, flags); + /* fall through */ case C_HUB_LOCAL_POWER: DBG("C_HUB_LOCAL_POWER\n"); break; @@ -1433,8 +1435,10 @@ static int isp116x_bus_suspend(struct usb_hcd *hcd) isp116x_write_reg32(isp116x, HCCONTROL, (val & ~HCCONTROL_HCFS) | HCCONTROL_USB_RESET); + /* fall through */ case HCCONTROL_USB_RESET: ret = -EBUSY; + /* fall through */ default: /* HCCONTROL_USB_SUSPEND */ spin_unlock_irqrestore(&isp116x->lock, flags); break; diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c index 9b7e307e2d54..b21c386e6a46 100644 --- a/drivers/usb/host/isp1362-hcd.c +++ b/drivers/usb/host/isp1362-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ISP1362 HCD (Host Controller Driver) for USB. * @@ -712,7 +713,7 @@ static inline void enable_istl_transfers(struct isp1362_hcd *isp1362_hcd, int fl static int submit_req(struct isp1362_hcd *isp1362_hcd, struct urb *urb, struct isp1362_ep *ep, struct isp1362_ep_queue *epq) { - int index = epq->free_ptd; + int index; prepare_ptd(isp1362_hcd, urb, ep, epq, 0); index = claim_ptd_buffers(epq, ep, ep->length); @@ -1578,6 +1579,7 @@ static int isp1362_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, spin_lock_irqsave(&isp1362_hcd->lock, flags); isp1362_write_reg32(isp1362_hcd, HCRHSTATUS, RH_HS_OCIC); spin_unlock_irqrestore(&isp1362_hcd->lock, flags); + break; case C_HUB_LOCAL_POWER: DBG(0, "C_HUB_LOCAL_POWER\n"); break; @@ -2251,7 +2253,6 @@ static int isp1362_mem_config(struct usb_hcd *hcd) return -ENOMEM; } - total = istl_size + intl_size + atl_size; spin_lock_irqsave(&isp1362_hcd->lock, flags); for (i = 0; i < 2; i++) { diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index 0ece9a9341e5..afa321ab55fc 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MAX3421 Host Controller driver for USB. * @@ -60,6 +61,7 @@ #include <linux/spi/spi.h> #include <linux/usb.h> #include <linux/usb/hcd.h> +#include <linux/of.h> #include <linux/platform_data/max3421-hcd.h> @@ -85,6 +87,8 @@ USB_PORT_STAT_C_OVERCURRENT | \ USB_PORT_STAT_C_RESET) << 16) +#define MAX3421_GPOUT_COUNT 8 + enum max3421_rh_state { MAX3421_RH_RESET, MAX3421_RH_SUSPENDED, @@ -1672,7 +1676,7 @@ max3421_gpout_set_value(struct usb_hcd *hcd, u8 pin_number, u8 value) u8 mask, idx; --pin_number; - if (pin_number > 7) + if (pin_number >= MAX3421_GPOUT_COUNT) return; mask = 1u << (pin_number % 4); @@ -1696,10 +1700,10 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req, u16 value, u16 index, unsigned long flags; int retval = 0; - spin_lock_irqsave(&max3421_hcd->lock, flags); - pdata = spi->dev.platform_data; + spin_lock_irqsave(&max3421_hcd->lock, flags); + switch (type_req) { case ClearHubFeature: break; @@ -1832,10 +1836,34 @@ static const struct hc_driver max3421_hcd_desc = { }; static int +max3421_of_vbus_en_pin(struct device *dev, struct max3421_hcd_platform_data *pdata) +{ + int retval; + uint32_t value[2]; + + if (!pdata) + return -EINVAL; + + retval = of_property_read_u32_array(dev->of_node, "maxim,vbus-en-pin", value, 2); + if (retval) { + dev_err(dev, "device tree node property 'maxim,vbus-en-pin' is missing\n"); + return retval; + } + dev_info(dev, "property 'maxim,vbus-en-pin' value is <%d %d>\n", value[0], value[1]); + + pdata->vbus_gpout = value[0]; + pdata->vbus_active_level = value[1]; + + return 0; +} + +static int max3421_probe(struct spi_device *spi) { + struct device *dev = &spi->dev; struct max3421_hcd *max3421_hcd; struct usb_hcd *hcd = NULL; + struct max3421_hcd_platform_data *pdata = NULL; int retval = -ENOMEM; if (spi_setup(spi) < 0) { @@ -1843,6 +1871,41 @@ max3421_probe(struct spi_device *spi) return -EFAULT; } + if (!spi->irq) { + dev_err(dev, "Failed to get SPI IRQ"); + return -EFAULT; + } + + if (IS_ENABLED(CONFIG_OF) && dev->of_node) { + pdata = devm_kzalloc(&spi->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + retval = -ENOMEM; + goto error; + } + retval = max3421_of_vbus_en_pin(dev, pdata); + if (retval) + goto error; + + spi->dev.platform_data = pdata; + } + + pdata = spi->dev.platform_data; + if (!pdata) { + dev_err(&spi->dev, "driver configuration data is not provided\n"); + retval = -EFAULT; + goto error; + } + if (pdata->vbus_active_level > 1) { + dev_err(&spi->dev, "vbus active level value %d is out of range (0/1)\n", pdata->vbus_active_level); + retval = -EINVAL; + goto error; + } + if (pdata->vbus_gpout < 1 || pdata->vbus_gpout > MAX3421_GPOUT_COUNT) { + dev_err(&spi->dev, "vbus gpout value %d is out of range (1..8)\n", pdata->vbus_gpout); + retval = -EINVAL; + goto error; + } + hcd = usb_create_hcd(&max3421_hcd_desc, &spi->dev, dev_name(&spi->dev)); if (!hcd) { @@ -1885,6 +1948,11 @@ max3421_probe(struct spi_device *spi) return 0; error: + if (IS_ENABLED(CONFIG_OF) && dev->of_node && pdata) { + devm_kfree(&spi->dev, pdata); + spi->dev.platform_data = NULL; + } + if (hcd) { kfree(max3421_hcd->tx); kfree(max3421_hcd->rx); @@ -1929,11 +1997,18 @@ max3421_remove(struct spi_device *spi) return 0; } +static const struct of_device_id max3421_of_match_table[] = { + { .compatible = "maxim,max3421", }, + {}, +}; +MODULE_DEVICE_TABLE(of, max3421_of_match_table); + static struct spi_driver max3421_driver = { .probe = max3421_probe, .remove = max3421_remove, .driver = { .name = "max3421-hcd", + .of_match_table = of_match_ptr(max3421_of_match_table), }, }; diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index 5302f988e7e6..5ad9e9bdc8ee 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c index 05da2cb59612..0c507a0cfe1f 100644 --- a/drivers/usb/host/ohci-da8xx.c +++ b/drivers/usb/host/ohci-da8xx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * OHCI HCD (Host Controller Driver) for USB. * @@ -5,10 +6,6 @@ * * Derived from: ohci-omap.c and ohci-s3c2410.c * Copyright (C) 2008-2009 MontaVista Software, Inc. <source@mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. */ #include <linux/clk.h> diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c index c3eded317495..ac7d4ac34b02 100644 --- a/drivers/usb/host/ohci-dbg.c +++ b/drivers/usb/host/ohci-dbg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 6865b919403f..a39fae41bc70 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * SAMSUNG EXYNOS USB HOST OHCI Controller * * Copyright (C) 2011 Samsung Electronics Co.Ltd * Author: Jingoo Han <jg1.han@samsung.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * */ #include <linux/clk.h> diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index c86f89babd57..10887e09e9bc 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Open Host Controller Interface (OHCI) driver for USB. * @@ -382,7 +383,7 @@ sanitize: ed_free (ohci, ed); break; } - /* else FALL THROUGH */ + /* fall through */ default: /* caller was supposed to have unlinked any requests; * that's not our job. can't recover; must leak ed. diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 248eb7702463..fb7aaa3b9d06 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-mem.c b/drivers/usb/host/ohci-mem.c index ed8a762b8670..b3da3f12e5b1 100644 --- a/drivers/usb/host/ohci-mem.c +++ b/drivers/usb/host/ohci-mem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index 6df8e2ed40fd..f5f532601092 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * driver for NXP USB Host devices * @@ -13,10 +14,7 @@ * NOTE: This driver does not have suspend/resume functionality * This driver is intended for engineering development purposes only * - * 2005-2006 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. + * 2005-2006 (c) MontaVista Software, Inc. */ #include <linux/clk.h> #include <linux/dma-mapping.h> diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 91393ec7d850..0201c49bc4fc 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index a84aebe9b0a9..fbcd34911025 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c index 61fe2b985070..1e6c954f4b3f 100644 --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generic platform ohci driver * @@ -11,8 +12,6 @@ * Copyright 2000-2002 David Brownell * Copyright 1999 Linus Torvalds * Copyright 1999 Gregory P. Smith - * - * Licensed under the GNU/GPL. See COPYING for details. */ #include <linux/clk.h> @@ -34,12 +33,11 @@ #define DRIVER_DESC "OHCI generic platform driver" #define OHCI_MAX_CLKS 3 -#define OHCI_MAX_RESETS 2 #define hcd_to_ohci_priv(h) ((struct ohci_platform_priv *)hcd_to_ohci(h)->priv) struct ohci_platform_priv { struct clk *clks[OHCI_MAX_CLKS]; - struct reset_control *resets[OHCI_MAX_RESETS]; + struct reset_control *resets; struct phy **phys; int num_phys; }; @@ -119,7 +117,7 @@ static int ohci_platform_probe(struct platform_device *dev) struct usb_ohci_pdata *pdata = dev_get_platdata(&dev->dev); struct ohci_platform_priv *priv; struct ohci_hcd *ohci; - int err, irq, phy_num, clk = 0, rst = 0; + int err, irq, phy_num, clk = 0; if (usb_disabled()) return -ENODEV; @@ -204,21 +202,17 @@ static int ohci_platform_probe(struct platform_device *dev) break; } } - for (rst = 0; rst < OHCI_MAX_RESETS; rst++) { - priv->resets[rst] = - devm_reset_control_get_shared_by_index( - &dev->dev, rst); - if (IS_ERR(priv->resets[rst])) { - err = PTR_ERR(priv->resets[rst]); - if (err == -EPROBE_DEFER) - goto err_reset; - priv->resets[rst] = NULL; - break; - } - err = reset_control_deassert(priv->resets[rst]); - if (err) - goto err_reset; + + priv->resets = devm_reset_control_array_get_optional_shared( + &dev->dev); + if (IS_ERR(priv->resets)) { + err = PTR_ERR(priv->resets); + goto err_put_clks; } + + err = reset_control_deassert(priv->resets); + if (err) + goto err_put_clks; } if (pdata->big_endian_desc) @@ -279,8 +273,7 @@ err_power: pdata->power_off(dev); err_reset: pm_runtime_disable(&dev->dev); - while (--rst >= 0) - reset_control_assert(priv->resets[rst]); + reset_control_assert(priv->resets); err_put_clks: while (--clk >= 0) clk_put(priv->clks[clk]); @@ -298,7 +291,7 @@ static int ohci_platform_remove(struct platform_device *dev) struct usb_hcd *hcd = platform_get_drvdata(dev); struct usb_ohci_pdata *pdata = dev_get_platdata(&dev->dev); struct ohci_platform_priv *priv = hcd_to_ohci_priv(hcd); - int clk, rst; + int clk; pm_runtime_get_sync(&dev->dev); usb_remove_hcd(hcd); @@ -306,8 +299,7 @@ static int ohci_platform_remove(struct platform_device *dev) if (pdata->power_off) pdata->power_off(dev); - for (rst = 0; rst < OHCI_MAX_RESETS && priv->resets[rst]; rst++) - reset_control_assert(priv->resets[rst]); + reset_control_assert(priv->resets); for (clk = 0; clk < OHCI_MAX_CLKS && priv->clks[clk]; clk++) clk_put(priv->clks[clk]); diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c index 4f87a5c61b08..76a9b40b08f1 100644 --- a/drivers/usb/host/ohci-ppc-of.c +++ b/drivers/usb/host/ohci-ppc-of.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c index 71d8bc4c27f6..20a23d795adf 100644 --- a/drivers/usb/host/ohci-ps3.c +++ b/drivers/usb/host/ohci-ps3.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PS3 OHCI Host Controller driver * * Copyright (C) 2006 Sony Computer Entertainment Inc. * Copyright 2006 Sony Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <asm/firmware.h> diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 21c010ffb03c..3e2474959735 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index 641fed609911..b2ec8c399363 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index b006b93126f7..4511e27e9da8 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c index 3a9ea32508df..ebec9a7699e3 100644 --- a/drivers/usb/host/ohci-sa1111.c +++ b/drivers/usb/host/ohci-sa1111.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * @@ -42,7 +43,7 @@ #if 0 static void dump_hci_status(struct usb_hcd *hcd, const char *label) { - unsigned long status = sa1111_readl(hcd->regs + USB_STATUS); + unsigned long status = readl_relaxed(hcd->regs + USB_STATUS); printk(KERN_DEBUG "%s USB_STATUS = { %s%s%s%s%s}\n", label, ((status & USB_STATUS_IRQHCIRMTWKUP) ? "IRQHCIRMTWKUP " : ""), @@ -134,7 +135,7 @@ static int sa1111_start_hc(struct sa1111_dev *dev) * Configure the power sense and control lines. Place the USB * host controller in reset. */ - sa1111_writel(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET, + writel_relaxed(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET, dev->mapbase + USB_RESET); /* @@ -144,7 +145,7 @@ static int sa1111_start_hc(struct sa1111_dev *dev) ret = sa1111_enable_device(dev); if (ret == 0) { udelay(11); - sa1111_writel(usb_rst, dev->mapbase + USB_RESET); + writel_relaxed(usb_rst, dev->mapbase + USB_RESET); } return ret; @@ -159,8 +160,8 @@ static void sa1111_stop_hc(struct sa1111_dev *dev) /* * Put the USB host controller into reset. */ - usb_rst = sa1111_readl(dev->mapbase + USB_RESET); - sa1111_writel(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET, + usb_rst = readl_relaxed(dev->mapbase + USB_RESET); + writel_relaxed(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET, dev->mapbase + USB_RESET); /* @@ -178,7 +179,7 @@ static void sa1111_stop_hc(struct sa1111_dev *dev) static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev) { struct usb_hcd *hcd; - int ret; + int ret, irq; if (usb_disabled()) return -ENODEV; @@ -196,6 +197,12 @@ static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev) hcd->rsrc_start = dev->res.start; hcd->rsrc_len = resource_size(&dev->res); + irq = sa1111_get_irq(dev, 1); + if (irq <= 0) { + ret = irq ? : -ENXIO; + goto err1; + } + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { dev_dbg(&dev->dev, "request_mem_region failed\n"); ret = -EBUSY; @@ -208,7 +215,7 @@ static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev) if (ret) goto err2; - ret = usb_add_hcd(hcd, dev->irq[1], 0); + ret = usb_add_hcd(hcd, irq, 0); if (ret == 0) { device_wakeup_enable(hcd->self.controller); return ret; @@ -241,8 +248,9 @@ static int ohci_hcd_sa1111_remove(struct sa1111_dev *dev) return 0; } -static void ohci_hcd_sa1111_shutdown(struct sa1111_dev *dev) +static void ohci_hcd_sa1111_shutdown(struct device *_dev) { + struct sa1111_dev *dev = to_sa1111_device(_dev); struct usb_hcd *hcd = sa1111_get_drvdata(dev); if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) { @@ -255,9 +263,9 @@ static struct sa1111_driver ohci_hcd_sa1111_driver = { .drv = { .name = "sa1111-ohci", .owner = THIS_MODULE, + .shutdown = ohci_hcd_sa1111_shutdown, }, .devid = SA1111_DEVID_USB, .probe = ohci_hcd_sa1111_probe, .remove = ohci_hcd_sa1111_remove, - .shutdown = ohci_hcd_sa1111_shutdown, }; diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c index d4e0f7cd96fa..c9233cddf9a2 100644 --- a/drivers/usb/host/ohci-sm501.c +++ b/drivers/usb/host/ohci-sm501.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index 56478ed2f932..69fa04697793 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * OHCI HCD (Host Controller Driver) for USB. * @@ -5,10 +6,6 @@ * Deepak Sikri<deepak.sikri@st.com> * * Based on various ohci-*.c drivers -* -* This file is licensed under the terms of the GNU General Public -* License version 2. This program is licensed "as is" without any -* warranty of any kind, whether express or implied. */ #include <linux/clk.h> diff --git a/drivers/usb/host/ohci-st.c b/drivers/usb/host/ohci-st.c index 02816a1515a1..992807c9850a 100644 --- a/drivers/usb/host/ohci-st.c +++ b/drivers/usb/host/ohci-st.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ST OHCI driver * @@ -6,10 +7,6 @@ * Author: Peter Griffin <peter.griffin@linaro.org> * * Derived from ohci-platform.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/clk.h> diff --git a/drivers/usb/host/ohci-tilegx.c b/drivers/usb/host/ohci-tilegx.c index e1b208da460a..d21ca3ce9a30 100644 --- a/drivers/usb/host/ohci-tilegx.c +++ b/drivers/usb/host/ohci-tilegx.c @@ -1,15 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright 2012 Tilera Corporation. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. */ /* diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 16d081a093bb..a631dbb369d7 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * OHCI HCD(Host Controller Driver) for USB. * @@ -18,10 +19,6 @@ * Written from sparse documentation from Toshiba and Sharp's driver * for the 2.4 kernel, * usb-ohci-tc6393.c(C) Copyright 2004 Lineo Solutions, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ /*#include <linux/fs.h> diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 12742d002d2d..508a803139dd 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * OHCI HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index ed20fb34c897..0bf7759aae78 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2008 Rodolfo Giometti <giometti@linux.it> * Copyright (c) 2008 Eurotech S.p.A. <info@eurtech.it> * * This code is *strongly* based on EHCI-HCD code by David Brownell since * the chip is a quasi-EHCI compatible. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> @@ -3040,7 +3027,7 @@ idle_timeout: qh_put(qh); break; } - /* else FALL THROUGH */ + /* fall through */ default: nogood: /* caller was supposed to have unlinked any requests; diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 6dda3623a276..161536717025 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This file contains code to reset and initialize USB host controllers. * Some of it includes work-arounds for PCI hardware and BIOS quirks. @@ -841,7 +842,7 @@ static void quirk_usb_disable_ehci(struct pci_dev *pdev) ehci_bios_handoff(pdev, op_reg_base, cap, offset); break; case 0: /* Illegal reserved cap, set cap=0 so we exit */ - cap = 0; /* then fallthrough... */ + cap = 0; /* fall through */ default: dev_warn(&pdev->dev, "EHCI: unrecognized capability %02x\n", diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c index 5e5fc9d7d533..f3d9ba420a97 100644 --- a/drivers/usb/host/r8a66597-hcd.c +++ b/drivers/usb/host/r8a66597-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R8A66597 HCD (Host Controller Driver) * @@ -7,20 +8,6 @@ * Portions Copyright (C) 1999 Roman Weissgaerber * * Author : Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/module.h> @@ -1273,7 +1260,7 @@ static void set_td_timer(struct r8a66597 *r8a66597, struct r8a66597_td *td) break; } - mod_timer(&r8a66597->td_timer[td->pipenum], + mod_timer(&r8a66597->timers[td->pipenum].td, jiffies + msecs_to_jiffies(time)); } } @@ -1733,9 +1720,10 @@ static void r8a66597_root_hub_control(struct r8a66597 *r8a66597, int port) } } -static void r8a66597_interval_timer(unsigned long _r8a66597) +static void r8a66597_interval_timer(struct timer_list *t) { - struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; + struct r8a66597_timers *timers = from_timer(timers, t, interval); + struct r8a66597 *r8a66597 = timers->r8a66597; unsigned long flags; u16 pipenum; struct r8a66597_td *td; @@ -1745,7 +1733,7 @@ static void r8a66597_interval_timer(unsigned long _r8a66597) for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { if (!(r8a66597->interval_map & (1 << pipenum))) continue; - if (timer_pending(&r8a66597->interval_timer[pipenum])) + if (timer_pending(&r8a66597->timers[pipenum].interval)) continue; td = r8a66597_get_td(r8a66597, pipenum); @@ -1756,9 +1744,10 @@ static void r8a66597_interval_timer(unsigned long _r8a66597) spin_unlock_irqrestore(&r8a66597->lock, flags); } -static void r8a66597_td_timer(unsigned long _r8a66597) +static void r8a66597_td_timer(struct timer_list *t) { - struct r8a66597 *r8a66597 = (struct r8a66597 *)_r8a66597; + struct r8a66597_timers *timers = from_timer(timers, t, td); + struct r8a66597 *r8a66597 = timers->r8a66597; unsigned long flags; u16 pipenum; struct r8a66597_td *td, *new_td = NULL; @@ -1768,7 +1757,7 @@ static void r8a66597_td_timer(unsigned long _r8a66597) for (pipenum = 0; pipenum < R8A66597_MAX_NUM_PIPE; pipenum++) { if (!(r8a66597->timeout_map & (1 << pipenum))) continue; - if (timer_pending(&r8a66597->td_timer[pipenum])) + if (timer_pending(&r8a66597->timers[pipenum].td)) continue; td = r8a66597_get_td(r8a66597, pipenum); @@ -1942,7 +1931,7 @@ static int r8a66597_urb_enqueue(struct usb_hcd *hcd, if (request) { if (td->pipe->info.timer_interval) { r8a66597->interval_map |= 1 << td->pipenum; - mod_timer(&r8a66597->interval_timer[td->pipenum], + mod_timer(&r8a66597->timers[td->pipenum].interval, jiffies + msecs_to_jiffies( td->pipe->info.timer_interval)); } else { @@ -2495,11 +2484,10 @@ static int r8a66597_probe(struct platform_device *pdev) for (i = 0; i < R8A66597_MAX_NUM_PIPE; i++) { INIT_LIST_HEAD(&r8a66597->pipe_queue[i]); - setup_timer(&r8a66597->td_timer[i], r8a66597_td_timer, - (unsigned long)r8a66597); - setup_timer(&r8a66597->interval_timer[i], - r8a66597_interval_timer, - (unsigned long)r8a66597); + r8a66597->timers[i].r8a66597 = r8a66597; + timer_setup(&r8a66597->timers[i].td, r8a66597_td_timer, 0); + timer_setup(&r8a66597->timers[i].interval, + r8a66597_interval_timer, 0); } INIT_LIST_HEAD(&r8a66597->child_device); diff --git a/drivers/usb/host/r8a66597.h b/drivers/usb/host/r8a66597.h index 672cea307abb..51973a923526 100644 --- a/drivers/usb/host/r8a66597.h +++ b/drivers/usb/host/r8a66597.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R8A66597 HCD (Host Controller Driver) * @@ -7,20 +8,6 @@ * Portions Copyright (C) 1999 Roman Weissgaerber * * Author : Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef __R8A66597_H__ @@ -107,6 +94,14 @@ struct r8a66597_root_hub { struct r8a66597_device *dev; }; +struct r8a66597; + +struct r8a66597_timers { + struct timer_list td; + struct timer_list interval; + struct r8a66597 *r8a66597; +}; + struct r8a66597 { spinlock_t lock; void __iomem *reg; @@ -117,8 +112,7 @@ struct r8a66597 { struct list_head pipe_queue[R8A66597_MAX_NUM_PIPE]; struct timer_list rh_timer; - struct timer_list td_timer[R8A66597_MAX_NUM_PIPE]; - struct timer_list interval_timer[R8A66597_MAX_NUM_PIPE]; + struct r8a66597_timers timers[R8A66597_MAX_NUM_PIPE]; unsigned short address_map; unsigned short timeout_map; diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 24ad1d6cec25..601fb00603cc 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SL811HS HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/sl811_cs.c b/drivers/usb/host/sl811_cs.c index 88a9bffe93df..72136373ffab 100644 --- a/drivers/usb/host/sl811_cs.c +++ b/drivers/usb/host/sl811_cs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCMCIA driver for SL811HS (as found in REX-CFU1U) * Filename: sl811_cs.c diff --git a/drivers/usb/host/ssb-hcd.c b/drivers/usb/host/ssb-hcd.c index 62b6b7804c66..016987764afb 100644 --- a/drivers/usb/host/ssb-hcd.c +++ b/drivers/usb/host/ssb-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Sonics Silicon Backplane * Broadcom USB-core driver (SSB bus glue) @@ -15,8 +16,6 @@ * * Derived from the USBcore related parts of Broadcom-SB * Copyright 2005-2011 Broadcom Corporation - * - * Licensed under the GNU/GPL. See COPYING for details. */ #include <linux/ssb/ssb.h> #include <linux/delay.h> diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index c38855aed62c..032b8652910a 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Host Controller Driver for the Elan Digital Systems U132 adapter * @@ -7,11 +8,6 @@ * Author and Maintainer - Tony Olech - Elan Digital Systems * tony.olech@elandigitalsystems.com * -* This program is free software;you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation, version 2. -* -* * This driver was written by Tony Olech(tony.olech@elandigitalsystems.com) * based on various USB host drivers in the 2.6.15 linux kernel * with constant reference to the 3rd Edition of Linux Device Drivers diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index c3267a78c94e..babeefd84ffd 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Universal Host Controller Interface driver for USB. * diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c index 773249306031..c5ac9efb076a 100644 --- a/drivers/usb/host/whci/asl.c +++ b/drivers/usb/host/whci/asl.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) asynchronous schedule management. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/gfp.h> diff --git a/drivers/usb/host/whci/debug.c b/drivers/usb/host/whci/debug.c index 774b89d28fae..f154e5791bfd 100644 --- a/drivers/usb/host/whci/debug.c +++ b/drivers/usb/host/whci/debug.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) debug. * * Copyright (C) 2008 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/slab.h> #include <linux/kernel.h> diff --git a/drivers/usb/host/whci/hcd.c b/drivers/usb/host/whci/hcd.c index cf84269c3e6d..8af9dcfea127 100644 --- a/drivers/usb/host/whci/hcd.c +++ b/drivers/usb/host/whci/hcd.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) driver. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/init.h> diff --git a/drivers/usb/host/whci/hw.c b/drivers/usb/host/whci/hw.c index 6afa2e379160..22b3b7f7419d 100644 --- a/drivers/usb/host/whci/hw.c +++ b/drivers/usb/host/whci/hw.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) hardware access helpers. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/dma-mapping.h> diff --git a/drivers/usb/host/whci/init.c b/drivers/usb/host/whci/init.c index ad8eb575c30a..82416973f773 100644 --- a/drivers/usb/host/whci/init.c +++ b/drivers/usb/host/whci/init.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) initialization. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/gfp.h> diff --git a/drivers/usb/host/whci/int.c b/drivers/usb/host/whci/int.c index 0c086b2790d1..7e4ad1b8f3e3 100644 --- a/drivers/usb/host/whci/int.c +++ b/drivers/usb/host/whci/int.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) interrupt handling. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/uwb/umc.h> diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c index 33c5580b4d25..bb84366f7bd3 100644 --- a/drivers/usb/host/whci/pzl.c +++ b/drivers/usb/host/whci/pzl.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) periodic schedule management. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/gfp.h> diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index c0e6812426b3..925166a207aa 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) qset management. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/dma-mapping.h> diff --git a/drivers/usb/host/whci/whcd.h b/drivers/usb/host/whci/whcd.h index c80c7d93bc4a..139476997e7c 100644 --- a/drivers/usb/host/whci/whcd.h +++ b/drivers/usb/host/whci/whcd.h @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) private header. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. */ #ifndef __WHCD_H #define __WHCD_H diff --git a/drivers/usb/host/whci/whci-hc.h b/drivers/usb/host/whci/whci-hc.h index 4d4cbc0730bf..5a86a57a80cc 100644 --- a/drivers/usb/host/whci/whci-hc.h +++ b/drivers/usb/host/whci/whci-hc.h @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) data structures. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. */ #ifndef _WHCI_WHCI_HC_H #define _WHCI_WHCI_HC_H diff --git a/drivers/usb/host/whci/wusb.c b/drivers/usb/host/whci/wusb.c index 8d2762682869..8a4d805ff63a 100644 --- a/drivers/usb/host/whci/wusb.c +++ b/drivers/usb/host/whci/wusb.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless Host Controller (WHC) WUSB operations. * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/uwb/umc.h> diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c index 2c83b37ae8f2..584d7b9a3683 100644 --- a/drivers/usb/host/xhci-dbg.c +++ b/drivers/usb/host/xhci-dbg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,19 +6,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "xhci.h" diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c new file mode 100644 index 000000000000..4f7895dbcf88 --- /dev/null +++ b/drivers/usb/host/xhci-debugfs.c @@ -0,0 +1,523 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * xhci-debugfs.c - xHCI debugfs interface + * + * Copyright (C) 2017 Intel Corporation + * + * Author: Lu Baolu <baolu.lu@linux.intel.com> + */ + +#include <linux/slab.h> + +#include "xhci.h" +#include "xhci-debugfs.h" + +static const struct debugfs_reg32 xhci_cap_regs[] = { + dump_register(CAPLENGTH), + dump_register(HCSPARAMS1), + dump_register(HCSPARAMS2), + dump_register(HCSPARAMS3), + dump_register(HCCPARAMS1), + dump_register(DOORBELLOFF), + dump_register(RUNTIMEOFF), + dump_register(HCCPARAMS2), +}; + +static const struct debugfs_reg32 xhci_op_regs[] = { + dump_register(USBCMD), + dump_register(USBSTS), + dump_register(PAGESIZE), + dump_register(DNCTRL), + dump_register(CRCR), + dump_register(DCBAAP_LOW), + dump_register(DCBAAP_HIGH), + dump_register(CONFIG), +}; + +static const struct debugfs_reg32 xhci_runtime_regs[] = { + dump_register(MFINDEX), + dump_register(IR0_IMAN), + dump_register(IR0_IMOD), + dump_register(IR0_ERSTSZ), + dump_register(IR0_ERSTBA_LOW), + dump_register(IR0_ERSTBA_HIGH), + dump_register(IR0_ERDP_LOW), + dump_register(IR0_ERDP_HIGH), +}; + +static const struct debugfs_reg32 xhci_extcap_legsup[] = { + dump_register(EXTCAP_USBLEGSUP), + dump_register(EXTCAP_USBLEGCTLSTS), +}; + +static const struct debugfs_reg32 xhci_extcap_protocol[] = { + dump_register(EXTCAP_REVISION), + dump_register(EXTCAP_NAME), + dump_register(EXTCAP_PORTINFO), + dump_register(EXTCAP_PORTTYPE), + dump_register(EXTCAP_MANTISSA1), + dump_register(EXTCAP_MANTISSA2), + dump_register(EXTCAP_MANTISSA3), + dump_register(EXTCAP_MANTISSA4), + dump_register(EXTCAP_MANTISSA5), + dump_register(EXTCAP_MANTISSA6), +}; + +static const struct debugfs_reg32 xhci_extcap_dbc[] = { + dump_register(EXTCAP_DBC_CAPABILITY), + dump_register(EXTCAP_DBC_DOORBELL), + dump_register(EXTCAP_DBC_ERSTSIZE), + dump_register(EXTCAP_DBC_ERST_LOW), + dump_register(EXTCAP_DBC_ERST_HIGH), + dump_register(EXTCAP_DBC_ERDP_LOW), + dump_register(EXTCAP_DBC_ERDP_HIGH), + dump_register(EXTCAP_DBC_CONTROL), + dump_register(EXTCAP_DBC_STATUS), + dump_register(EXTCAP_DBC_PORTSC), + dump_register(EXTCAP_DBC_CONT_LOW), + dump_register(EXTCAP_DBC_CONT_HIGH), + dump_register(EXTCAP_DBC_DEVINFO1), + dump_register(EXTCAP_DBC_DEVINFO2), +}; + +static struct dentry *xhci_debugfs_root; + +static struct xhci_regset *xhci_debugfs_alloc_regset(struct xhci_hcd *xhci) +{ + struct xhci_regset *regset; + + regset = kzalloc(sizeof(*regset), GFP_KERNEL); + if (!regset) + return NULL; + + /* + * The allocation and free of regset are executed in order. + * We needn't a lock here. + */ + INIT_LIST_HEAD(®set->list); + list_add_tail(®set->list, &xhci->regset_list); + + return regset; +} + +static void xhci_debugfs_free_regset(struct xhci_regset *regset) +{ + if (!regset) + return; + + list_del(®set->list); + kfree(regset); +} + +static void xhci_debugfs_regset(struct xhci_hcd *xhci, u32 base, + const struct debugfs_reg32 *regs, + size_t nregs, struct dentry *parent, + const char *fmt, ...) +{ + struct xhci_regset *rgs; + va_list args; + struct debugfs_regset32 *regset; + struct usb_hcd *hcd = xhci_to_hcd(xhci); + + rgs = xhci_debugfs_alloc_regset(xhci); + if (!rgs) + return; + + va_start(args, fmt); + vsnprintf(rgs->name, sizeof(rgs->name), fmt, args); + va_end(args); + + regset = &rgs->regset; + regset->regs = regs; + regset->nregs = nregs; + regset->base = hcd->regs + base; + + debugfs_create_regset32((const char *)rgs->name, 0444, parent, regset); +} + +static void xhci_debugfs_extcap_regset(struct xhci_hcd *xhci, int cap_id, + const struct debugfs_reg32 *regs, + size_t n, const char *cap_name) +{ + u32 offset; + int index = 0; + size_t psic, nregs = n; + void __iomem *base = &xhci->cap_regs->hc_capbase; + + offset = xhci_find_next_ext_cap(base, 0, cap_id); + while (offset) { + if (cap_id == XHCI_EXT_CAPS_PROTOCOL) { + psic = XHCI_EXT_PORT_PSIC(readl(base + offset + 8)); + nregs = min(4 + psic, n); + } + + xhci_debugfs_regset(xhci, offset, regs, nregs, + xhci->debugfs_root, "%s:%02d", + cap_name, index); + offset = xhci_find_next_ext_cap(base, offset, cap_id); + index++; + } +} + +static int xhci_ring_enqueue_show(struct seq_file *s, void *unused) +{ + dma_addr_t dma; + struct xhci_ring *ring = s->private; + + dma = xhci_trb_virt_to_dma(ring->enq_seg, ring->enqueue); + seq_printf(s, "%pad\n", &dma); + + return 0; +} + +static int xhci_ring_dequeue_show(struct seq_file *s, void *unused) +{ + dma_addr_t dma; + struct xhci_ring *ring = s->private; + + dma = xhci_trb_virt_to_dma(ring->deq_seg, ring->dequeue); + seq_printf(s, "%pad\n", &dma); + + return 0; +} + +static int xhci_ring_cycle_show(struct seq_file *s, void *unused) +{ + struct xhci_ring *ring = s->private; + + seq_printf(s, "%d\n", ring->cycle_state); + + return 0; +} + +static void xhci_ring_dump_segment(struct seq_file *s, + struct xhci_segment *seg) +{ + int i; + dma_addr_t dma; + union xhci_trb *trb; + + for (i = 0; i < TRBS_PER_SEGMENT; i++) { + trb = &seg->trbs[i]; + dma = seg->dma + i * sizeof(*trb); + seq_printf(s, "%pad: %s\n", &dma, + xhci_decode_trb(trb->generic.field[0], + trb->generic.field[1], + trb->generic.field[2], + trb->generic.field[3])); + } +} + +static int xhci_ring_trb_show(struct seq_file *s, void *unused) +{ + int i; + struct xhci_ring *ring = s->private; + struct xhci_segment *seg = ring->first_seg; + + for (i = 0; i < ring->num_segs; i++) { + xhci_ring_dump_segment(s, seg); + seg = seg->next; + } + + return 0; +} + +static struct xhci_file_map ring_files[] = { + {"enqueue", xhci_ring_enqueue_show, }, + {"dequeue", xhci_ring_dequeue_show, }, + {"cycle", xhci_ring_cycle_show, }, + {"trbs", xhci_ring_trb_show, }, +}; + +static int xhci_ring_open(struct inode *inode, struct file *file) +{ + int i; + struct xhci_file_map *f_map; + const char *file_name = file_dentry(file)->d_iname; + + for (i = 0; i < ARRAY_SIZE(ring_files); i++) { + f_map = &ring_files[i]; + + if (strcmp(f_map->name, file_name) == 0) + break; + } + + return single_open(file, f_map->show, inode->i_private); +} + +static const struct file_operations xhci_ring_fops = { + .open = xhci_ring_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int xhci_slot_context_show(struct seq_file *s, void *unused) +{ + struct xhci_hcd *xhci; + struct xhci_slot_ctx *slot_ctx; + struct xhci_slot_priv *priv = s->private; + struct xhci_virt_device *dev = priv->dev; + + xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus)); + slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx); + seq_printf(s, "%pad: %s\n", &dev->out_ctx->dma, + xhci_decode_slot_context(slot_ctx->dev_info, + slot_ctx->dev_info2, + slot_ctx->tt_info, + slot_ctx->dev_state)); + + return 0; +} + +static int xhci_endpoint_context_show(struct seq_file *s, void *unused) +{ + int dci; + dma_addr_t dma; + struct xhci_hcd *xhci; + struct xhci_ep_ctx *ep_ctx; + struct xhci_slot_priv *priv = s->private; + struct xhci_virt_device *dev = priv->dev; + + xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus)); + + for (dci = 1; dci < 32; dci++) { + ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci); + dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params); + seq_printf(s, "%pad: %s\n", &dma, + xhci_decode_ep_context(ep_ctx->ep_info, + ep_ctx->ep_info2, + ep_ctx->deq, + ep_ctx->tx_info)); + } + + return 0; +} + +static int xhci_device_name_show(struct seq_file *s, void *unused) +{ + struct xhci_slot_priv *priv = s->private; + struct xhci_virt_device *dev = priv->dev; + + seq_printf(s, "%s\n", dev_name(&dev->udev->dev)); + + return 0; +} + +static struct xhci_file_map context_files[] = { + {"name", xhci_device_name_show, }, + {"slot-context", xhci_slot_context_show, }, + {"ep-context", xhci_endpoint_context_show, }, +}; + +static int xhci_context_open(struct inode *inode, struct file *file) +{ + int i; + struct xhci_file_map *f_map; + const char *file_name = file_dentry(file)->d_iname; + + for (i = 0; i < ARRAY_SIZE(context_files); i++) { + f_map = &context_files[i]; + + if (strcmp(f_map->name, file_name) == 0) + break; + } + + return single_open(file, f_map->show, inode->i_private); +} + +static const struct file_operations xhci_context_fops = { + .open = xhci_context_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static void xhci_debugfs_create_files(struct xhci_hcd *xhci, + struct xhci_file_map *files, + size_t nentries, void *data, + struct dentry *parent, + const struct file_operations *fops) +{ + int i; + + for (i = 0; i < nentries; i++) + debugfs_create_file(files[i].name, 0444, parent, data, fops); +} + +static struct dentry *xhci_debugfs_create_ring_dir(struct xhci_hcd *xhci, + struct xhci_ring *ring, + const char *name, + struct dentry *parent) +{ + struct dentry *dir; + + dir = debugfs_create_dir(name, parent); + xhci_debugfs_create_files(xhci, ring_files, ARRAY_SIZE(ring_files), + ring, dir, &xhci_ring_fops); + + return dir; +} + +static void xhci_debugfs_create_context_files(struct xhci_hcd *xhci, + struct dentry *parent, + int slot_id) +{ + struct xhci_virt_device *dev = xhci->devs[slot_id]; + + xhci_debugfs_create_files(xhci, context_files, + ARRAY_SIZE(context_files), + dev->debugfs_private, + parent, &xhci_context_fops); +} + +void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, + struct xhci_virt_device *dev, + int ep_index) +{ + struct xhci_ep_priv *epriv; + struct xhci_slot_priv *spriv = dev->debugfs_private; + + if (spriv->eps[ep_index]) + return; + + epriv = kzalloc(sizeof(*epriv), GFP_KERNEL); + if (!epriv) + return; + + snprintf(epriv->name, sizeof(epriv->name), "ep%02d", ep_index); + epriv->root = xhci_debugfs_create_ring_dir(xhci, + dev->eps[ep_index].new_ring, + epriv->name, + spriv->root); + spriv->eps[ep_index] = epriv; +} + +void xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci, + struct xhci_virt_device *dev, + int ep_index) +{ + struct xhci_ep_priv *epriv; + struct xhci_slot_priv *spriv = dev->debugfs_private; + + if (!spriv || !spriv->eps[ep_index]) + return; + + epriv = spriv->eps[ep_index]; + debugfs_remove_recursive(epriv->root); + spriv->eps[ep_index] = NULL; + kfree(epriv); +} + +void xhci_debugfs_create_slot(struct xhci_hcd *xhci, int slot_id) +{ + struct xhci_slot_priv *priv; + struct xhci_virt_device *dev = xhci->devs[slot_id]; + + priv = kzalloc(sizeof(*priv), GFP_KERNEL); + if (!priv) + return; + + snprintf(priv->name, sizeof(priv->name), "%02d", slot_id); + priv->root = debugfs_create_dir(priv->name, xhci->debugfs_slots); + priv->dev = dev; + dev->debugfs_private = priv; + + xhci_debugfs_create_ring_dir(xhci, dev->eps[0].ring, + "ep00", priv->root); + + xhci_debugfs_create_context_files(xhci, priv->root, slot_id); +} + +void xhci_debugfs_remove_slot(struct xhci_hcd *xhci, int slot_id) +{ + int i; + struct xhci_slot_priv *priv; + struct xhci_virt_device *dev = xhci->devs[slot_id]; + + if (!dev || !dev->debugfs_private) + return; + + priv = dev->debugfs_private; + + debugfs_remove_recursive(priv->root); + + for (i = 0; i < 31; i++) + kfree(priv->eps[i]); + + kfree(priv); + dev->debugfs_private = NULL; +} + +void xhci_debugfs_init(struct xhci_hcd *xhci) +{ + struct device *dev = xhci_to_hcd(xhci)->self.controller; + + xhci->debugfs_root = debugfs_create_dir(dev_name(dev), + xhci_debugfs_root); + + INIT_LIST_HEAD(&xhci->regset_list); + + xhci_debugfs_regset(xhci, + 0, + xhci_cap_regs, ARRAY_SIZE(xhci_cap_regs), + xhci->debugfs_root, "reg-cap"); + + xhci_debugfs_regset(xhci, + HC_LENGTH(readl(&xhci->cap_regs->hc_capbase)), + xhci_op_regs, ARRAY_SIZE(xhci_op_regs), + xhci->debugfs_root, "reg-op"); + + xhci_debugfs_regset(xhci, + readl(&xhci->cap_regs->run_regs_off) & RTSOFF_MASK, + xhci_runtime_regs, ARRAY_SIZE(xhci_runtime_regs), + xhci->debugfs_root, "reg-runtime"); + + xhci_debugfs_extcap_regset(xhci, XHCI_EXT_CAPS_LEGACY, + xhci_extcap_legsup, + ARRAY_SIZE(xhci_extcap_legsup), + "reg-ext-legsup"); + + xhci_debugfs_extcap_regset(xhci, XHCI_EXT_CAPS_PROTOCOL, + xhci_extcap_protocol, + ARRAY_SIZE(xhci_extcap_protocol), + "reg-ext-protocol"); + + xhci_debugfs_extcap_regset(xhci, XHCI_EXT_CAPS_DEBUG, + xhci_extcap_dbc, + ARRAY_SIZE(xhci_extcap_dbc), + "reg-ext-dbc"); + + xhci_debugfs_create_ring_dir(xhci, xhci->cmd_ring, + "command-ring", + xhci->debugfs_root); + + xhci_debugfs_create_ring_dir(xhci, xhci->event_ring, + "event-ring", + xhci->debugfs_root); + + xhci->debugfs_slots = debugfs_create_dir("devices", xhci->debugfs_root); +} + +void xhci_debugfs_exit(struct xhci_hcd *xhci) +{ + struct xhci_regset *rgs, *tmp; + + debugfs_remove_recursive(xhci->debugfs_root); + xhci->debugfs_root = NULL; + xhci->debugfs_slots = NULL; + + list_for_each_entry_safe(rgs, tmp, &xhci->regset_list, list) + xhci_debugfs_free_regset(rgs); +} + +void __init xhci_debugfs_create_root(void) +{ + xhci_debugfs_root = debugfs_create_dir("xhci", usb_debug_root); +} + +void __exit xhci_debugfs_remove_root(void) +{ + debugfs_remove_recursive(xhci_debugfs_root); + xhci_debugfs_root = NULL; +} diff --git a/drivers/usb/host/xhci-debugfs.h b/drivers/usb/host/xhci-debugfs.h new file mode 100644 index 000000000000..ac5bc40f5c3a --- /dev/null +++ b/drivers/usb/host/xhci-debugfs.h @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * xhci-debugfs.h - xHCI debugfs interface + * + * Copyright (C) 2017 Intel Corporation + * + * Author: Lu Baolu <baolu.lu@linux.intel.com> + */ + +#ifndef __LINUX_XHCI_DEBUGFS_H +#define __LINUX_XHCI_DEBUGFS_H + +#include <linux/debugfs.h> + +#define DEBUGFS_NAMELEN 32 + +#define REG_CAPLENGTH 0x00 +#define REG_HCSPARAMS1 0x04 +#define REG_HCSPARAMS2 0x08 +#define REG_HCSPARAMS3 0x0c +#define REG_HCCPARAMS1 0x10 +#define REG_DOORBELLOFF 0x14 +#define REG_RUNTIMEOFF 0x18 +#define REG_HCCPARAMS2 0x1c + +#define REG_USBCMD 0x00 +#define REG_USBSTS 0x04 +#define REG_PAGESIZE 0x08 +#define REG_DNCTRL 0x14 +#define REG_CRCR 0x18 +#define REG_DCBAAP_LOW 0x30 +#define REG_DCBAAP_HIGH 0x34 +#define REG_CONFIG 0x38 + +#define REG_MFINDEX 0x00 +#define REG_IR0_IMAN 0x20 +#define REG_IR0_IMOD 0x24 +#define REG_IR0_ERSTSZ 0x28 +#define REG_IR0_ERSTBA_LOW 0x30 +#define REG_IR0_ERSTBA_HIGH 0x34 +#define REG_IR0_ERDP_LOW 0x38 +#define REG_IR0_ERDP_HIGH 0x3c + +#define REG_EXTCAP_USBLEGSUP 0x00 +#define REG_EXTCAP_USBLEGCTLSTS 0x04 + +#define REG_EXTCAP_REVISION 0x00 +#define REG_EXTCAP_NAME 0x04 +#define REG_EXTCAP_PORTINFO 0x08 +#define REG_EXTCAP_PORTTYPE 0x0c +#define REG_EXTCAP_MANTISSA1 0x10 +#define REG_EXTCAP_MANTISSA2 0x14 +#define REG_EXTCAP_MANTISSA3 0x18 +#define REG_EXTCAP_MANTISSA4 0x1c +#define REG_EXTCAP_MANTISSA5 0x20 +#define REG_EXTCAP_MANTISSA6 0x24 + +#define REG_EXTCAP_DBC_CAPABILITY 0x00 +#define REG_EXTCAP_DBC_DOORBELL 0x04 +#define REG_EXTCAP_DBC_ERSTSIZE 0x08 +#define REG_EXTCAP_DBC_ERST_LOW 0x10 +#define REG_EXTCAP_DBC_ERST_HIGH 0x14 +#define REG_EXTCAP_DBC_ERDP_LOW 0x18 +#define REG_EXTCAP_DBC_ERDP_HIGH 0x1c +#define REG_EXTCAP_DBC_CONTROL 0x20 +#define REG_EXTCAP_DBC_STATUS 0x24 +#define REG_EXTCAP_DBC_PORTSC 0x28 +#define REG_EXTCAP_DBC_CONT_LOW 0x30 +#define REG_EXTCAP_DBC_CONT_HIGH 0x34 +#define REG_EXTCAP_DBC_DEVINFO1 0x38 +#define REG_EXTCAP_DBC_DEVINFO2 0x3c + +#define dump_register(nm) \ +{ \ + .name = __stringify(nm), \ + .offset = REG_ ##nm, \ +} + +struct xhci_regset { + char name[DEBUGFS_NAMELEN]; + struct debugfs_regset32 regset; + size_t nregs; + struct dentry *parent; + struct list_head list; +}; + +struct xhci_file_map { + const char *name; + int (*show)(struct seq_file *s, void *unused); +}; + +struct xhci_ep_priv { + char name[DEBUGFS_NAMELEN]; + struct dentry *root; +}; + +struct xhci_slot_priv { + char name[DEBUGFS_NAMELEN]; + struct dentry *root; + struct xhci_ep_priv *eps[31]; + struct xhci_virt_device *dev; +}; + +#ifdef CONFIG_DEBUG_FS +void xhci_debugfs_init(struct xhci_hcd *xhci); +void xhci_debugfs_exit(struct xhci_hcd *xhci); +void __init xhci_debugfs_create_root(void); +void __exit xhci_debugfs_remove_root(void); +void xhci_debugfs_create_slot(struct xhci_hcd *xhci, int slot_id); +void xhci_debugfs_remove_slot(struct xhci_hcd *xhci, int slot_id); +void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, + struct xhci_virt_device *virt_dev, + int ep_index); +void xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci, + struct xhci_virt_device *virt_dev, + int ep_index); +#else +static inline void xhci_debugfs_init(struct xhci_hcd *xhci) { } +static inline void xhci_debugfs_exit(struct xhci_hcd *xhci) { } +static inline void __init xhci_debugfs_create_root(void) { } +static inline void __exit xhci_debugfs_remove_root(void) { } +static inline void xhci_debugfs_create_slot(struct xhci_hcd *x, int s) { } +static inline void xhci_debugfs_remove_slot(struct xhci_hcd *x, int s) { } +static inline void +xhci_debugfs_create_endpoint(struct xhci_hcd *xhci, + struct xhci_virt_device *virt_dev, + int ep_index) { } +static inline void +xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci, + struct xhci_virt_device *virt_dev, + int ep_index) { } +#endif /* CONFIG_DEBUG_FS */ + +#endif /* __LINUX_XHCI_DEBUGFS_H */ diff --git a/drivers/usb/host/xhci-ext-caps.h b/drivers/usb/host/xhci-ext-caps.h index 28deea584884..bf7316e130d3 100644 --- a/drivers/usb/host/xhci-ext-caps.h +++ b/drivers/usb/host/xhci-ext-caps.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,19 +6,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Up to 16 ms to halt an HC */ #define XHCI_MAX_HALT_USEC (16*1000) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index a2336deb5e36..2a90229be7a6 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,19 +6,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ @@ -634,7 +622,10 @@ static int xhci_enter_test_mode(struct xhci_hcd *xhci, xhci_dbg(xhci, "Disable all slots\n"); spin_unlock_irqrestore(&xhci->lock, *flags); for (i = 1; i <= HCS_MAX_SLOTS(xhci->hcs_params1); i++) { - retval = xhci_disable_slot(xhci, NULL, i); + if (!xhci->devs[i]) + continue; + + retval = xhci_disable_slot(xhci, i); if (retval) xhci_err(xhci, "Failed to disable slot %d, %d. Enter test mode anyway\n", i, retval); @@ -1374,6 +1365,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, break; case USB_PORT_FEAT_C_SUSPEND: bus_state->port_c_suspend &= ~(1 << wIndex); + /* fall through */ case USB_PORT_FEAT_C_RESET: case USB_PORT_FEAT_C_BH_PORT_RESET: case USB_PORT_FEAT_C_CONNECTION: diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 2a82c927ded2..e1fba4688509 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,19 +6,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/usb.h> @@ -28,6 +16,7 @@ #include "xhci.h" #include "xhci-trace.h" +#include "xhci-debugfs.h" /* * Allocates a generic ring segment from the ring pool, sets the dma address, @@ -465,8 +454,6 @@ int xhci_ring_expansion(struct xhci_hcd *xhci, struct xhci_ring *ring, return 0; } -#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) - static struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci, int type, gfp_t flags) { @@ -801,8 +788,8 @@ void xhci_free_stream_info(struct xhci_hcd *xhci, static void xhci_init_endpoint_timer(struct xhci_hcd *xhci, struct xhci_virt_ep *ep) { - setup_timer(&ep->stop_cmd_timer, xhci_stop_endpoint_command_watchdog, - (unsigned long)ep); + timer_setup(&ep->stop_cmd_timer, xhci_stop_endpoint_command_watchdog, + 0); ep->xhci = xhci; } @@ -961,6 +948,7 @@ void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) } } /* we are now at a leaf device */ + xhci_debugfs_remove_slot(xhci, slot_id); xhci_free_virt_device(xhci, slot_id); } @@ -1311,6 +1299,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev, * since it uses the same rules as low speed interrupt * endpoints. */ + /* fall through */ case USB_SPEED_LOW: if (usb_endpoint_xfer_int(&ep->desc) || @@ -1496,7 +1485,6 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, ep_ctx->tx_info = cpu_to_le32(EP_MAX_ESIT_PAYLOAD_LO(max_esit_payload) | EP_AVG_TRB_LENGTH(avg_trb_len)); - /* FIXME Debug endpoint context */ return 0; } diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 6e7ddf6cafae..eea7360a18fc 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2015 MediaTek Inc. * Author: * Zhigang.Wei <zhigang.wei@mediatek.com> * Chunfeng.Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/kernel.h> @@ -287,12 +278,13 @@ static bool need_bw_sch(struct usb_host_endpoint *ep, int xhci_mtk_sch_init(struct xhci_hcd_mtk *mtk) { + struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd); struct mu3h_sch_bw_info *sch_array; int num_usb_bus; int i; /* ss IN and OUT are separated */ - num_usb_bus = mtk->num_u3_ports * 2 + mtk->num_u2_ports; + num_usb_bus = xhci->num_usb3_ports * 2 + xhci->num_usb2_ports; sch_array = kcalloc(num_usb_bus, sizeof(*sch_array), GFP_KERNEL); if (sch_array == NULL) diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 8fb60657ed4f..b62a1d23244b 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MediaTek xHCI Host Controller Driver * * Copyright (c) 2015 MediaTek Inc. * Author: * Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/clk.h> @@ -43,6 +34,7 @@ /* ip_pw_sts1 register */ #define STS1_IP_SLEEP_STS BIT(30) +#define STS1_U3_MAC_RST BIT(16) #define STS1_XHCI_RST BIT(11) #define STS1_SYS125_RST BIT(10) #define STS1_REF_RST BIT(8) @@ -91,6 +83,7 @@ static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk) { struct mu3c_ippc_regs __iomem *ippc = mtk->ippc_regs; u32 value, check_val; + int u3_ports_disabed = 0; int ret; int i; @@ -102,8 +95,13 @@ static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk) value &= ~CTRL1_IP_HOST_PDN; writel(value, &ippc->ip_pw_ctr1); - /* power on and enable all u3 ports */ + /* power on and enable u3 ports except skipped ones */ for (i = 0; i < mtk->num_u3_ports; i++) { + if ((0x1 << i) & mtk->u3p_dis_msk) { + u3_ports_disabed++; + continue; + } + value = readl(&ippc->u3_ctrl_p[i]); value &= ~(CTRL_U3_PORT_PDN | CTRL_U3_PORT_DIS); value |= CTRL_U3_PORT_HOST_SEL; @@ -125,6 +123,9 @@ static int xhci_mtk_host_enable(struct xhci_hcd_mtk *mtk) check_val = STS1_SYSPLL_STABLE | STS1_REF_RST | STS1_SYS125_RST | STS1_XHCI_RST; + if (mtk->num_u3_ports > u3_ports_disabed) + check_val |= STS1_U3_MAC_RST; + ret = readl_poll_timeout(&ippc->ip_pw_sts1, value, (check_val == (value & check_val)), 100, 20000); if (ret) { @@ -145,8 +146,11 @@ static int xhci_mtk_host_disable(struct xhci_hcd_mtk *mtk) if (!mtk->has_ippc) return 0; - /* power down all u3 ports */ + /* power down u3 ports except skipped ones */ for (i = 0; i < mtk->num_u3_ports; i++) { + if ((0x1 << i) & mtk->u3p_dis_msk) + continue; + value = readl(&ippc->u3_ctrl_p[i]); value |= CTRL_U3_PORT_PDN; writel(value, &ippc->u3_ctrl_p[i]); @@ -208,6 +212,41 @@ static int xhci_mtk_ssusb_config(struct xhci_hcd_mtk *mtk) return xhci_mtk_host_enable(mtk); } +/* ignore the error if the clock does not exist */ +static struct clk *optional_clk_get(struct device *dev, const char *id) +{ + struct clk *opt_clk; + + opt_clk = devm_clk_get(dev, id); + /* ignore error number except EPROBE_DEFER */ + if (IS_ERR(opt_clk) && (PTR_ERR(opt_clk) != -EPROBE_DEFER)) + opt_clk = NULL; + + return opt_clk; +} + +static int xhci_mtk_clks_get(struct xhci_hcd_mtk *mtk) +{ + struct device *dev = mtk->dev; + + mtk->sys_clk = devm_clk_get(dev, "sys_ck"); + if (IS_ERR(mtk->sys_clk)) { + dev_err(dev, "fail to get sys_ck\n"); + return PTR_ERR(mtk->sys_clk); + } + + mtk->ref_clk = optional_clk_get(dev, "ref_ck"); + if (IS_ERR(mtk->ref_clk)) + return PTR_ERR(mtk->ref_clk); + + mtk->mcu_clk = optional_clk_get(dev, "mcu_ck"); + if (IS_ERR(mtk->mcu_clk)) + return PTR_ERR(mtk->mcu_clk); + + mtk->dma_clk = optional_clk_get(dev, "dma_ck"); + return PTR_ERR_OR_ZERO(mtk->dma_clk); +} + static int xhci_mtk_clks_enable(struct xhci_hcd_mtk *mtk) { int ret; @@ -224,37 +263,34 @@ static int xhci_mtk_clks_enable(struct xhci_hcd_mtk *mtk) goto sys_clk_err; } - if (mtk->wakeup_src) { - ret = clk_prepare_enable(mtk->wk_deb_p0); - if (ret) { - dev_err(mtk->dev, "failed to enable wk_deb_p0\n"); - goto usb_p0_err; - } + ret = clk_prepare_enable(mtk->mcu_clk); + if (ret) { + dev_err(mtk->dev, "failed to enable mcu_clk\n"); + goto mcu_clk_err; + } - ret = clk_prepare_enable(mtk->wk_deb_p1); - if (ret) { - dev_err(mtk->dev, "failed to enable wk_deb_p1\n"); - goto usb_p1_err; - } + ret = clk_prepare_enable(mtk->dma_clk); + if (ret) { + dev_err(mtk->dev, "failed to enable dma_clk\n"); + goto dma_clk_err; } + return 0; -usb_p1_err: - clk_disable_unprepare(mtk->wk_deb_p0); -usb_p0_err: +dma_clk_err: + clk_disable_unprepare(mtk->mcu_clk); +mcu_clk_err: clk_disable_unprepare(mtk->sys_clk); sys_clk_err: clk_disable_unprepare(mtk->ref_clk); ref_clk_err: - return -EINVAL; + return ret; } static void xhci_mtk_clks_disable(struct xhci_hcd_mtk *mtk) { - if (mtk->wakeup_src) { - clk_disable_unprepare(mtk->wk_deb_p1); - clk_disable_unprepare(mtk->wk_deb_p0); - } + clk_disable_unprepare(mtk->dma_clk); + clk_disable_unprepare(mtk->mcu_clk); clk_disable_unprepare(mtk->sys_clk); clk_disable_unprepare(mtk->ref_clk); } @@ -358,18 +394,6 @@ static int usb_wakeup_of_property_parse(struct xhci_hcd_mtk *mtk, if (!mtk->wakeup_src) return 0; - mtk->wk_deb_p0 = devm_clk_get(dev, "wakeup_deb_p0"); - if (IS_ERR(mtk->wk_deb_p0)) { - dev_err(dev, "fail to get wakeup_deb_p0\n"); - return PTR_ERR(mtk->wk_deb_p0); - } - - mtk->wk_deb_p1 = devm_clk_get(dev, "wakeup_deb_p1"); - if (IS_ERR(mtk->wk_deb_p1)) { - dev_err(dev, "fail to get wakeup_deb_p1\n"); - return PTR_ERR(mtk->wk_deb_p1); - } - mtk->pericfg = syscon_regmap_lookup_by_phandle(dn, "mediatek,syscon-wakeup"); if (IS_ERR(mtk->pericfg)) { @@ -492,7 +516,6 @@ static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd *xhci) /* called during probe() after chip reset completes */ static int xhci_mtk_setup(struct usb_hcd *hcd) { - struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct xhci_hcd_mtk *mtk = hcd_to_mtk(hcd); int ret; @@ -507,8 +530,6 @@ static int xhci_mtk_setup(struct usb_hcd *hcd) return ret; if (usb_hcd_is_primary_hcd(hcd)) { - mtk->num_u3_ports = xhci->num_usb3_ports; - mtk->num_u2_ports = xhci->num_usb2_ports; ret = xhci_mtk_sch_init(mtk); if (ret) return ret; @@ -552,26 +573,14 @@ static int xhci_mtk_probe(struct platform_device *pdev) return PTR_ERR(mtk->vusb33); } - mtk->sys_clk = devm_clk_get(dev, "sys_ck"); - if (IS_ERR(mtk->sys_clk)) { - dev_err(dev, "fail to get sys_ck\n"); - return PTR_ERR(mtk->sys_clk); - } - - /* - * reference clock is usually a "fixed-clock", make it optional - * for backward compatibility and ignore the error if it does - * not exist. - */ - mtk->ref_clk = devm_clk_get(dev, "ref_ck"); - if (IS_ERR(mtk->ref_clk)) { - if (PTR_ERR(mtk->ref_clk) == -EPROBE_DEFER) - return -EPROBE_DEFER; - - mtk->ref_clk = NULL; - } + ret = xhci_mtk_clks_get(mtk); + if (ret) + return ret; mtk->lpm_support = of_property_read_bool(node, "usb3-lpm-capable"); + /* optional property, ignore the error if it does not exist */ + of_property_read_u32(node, "mediatek,u3p-dis-msk", + &mtk->u3p_dis_msk); ret = usb_wakeup_of_property_parse(mtk, node); if (ret) @@ -606,15 +615,10 @@ static int xhci_mtk_probe(struct platform_device *pdev) } /* Initialize dma_mask and coherent_dma_mask to 32-bits */ - ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); if (ret) goto disable_clk; - if (!dev->dma_mask) - dev->dma_mask = &dev->coherent_dma_mask; - else - dma_set_mask(dev, DMA_BIT_MASK(32)); - hcd = usb_create_hcd(driver, dev, dev_name(dev)); if (!hcd) { ret = -ENOMEM; diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h index 3aa5e1d25064..6b74ce5b7564 100644 --- a/drivers/usb/host/xhci-mtk.h +++ b/drivers/usb/host/xhci-mtk.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2015 MediaTek Inc. * Author: * Zhigang.Wei <zhigang.wei@mediatek.com> * Chunfeng.Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _XHCI_MTK_H_ @@ -121,12 +112,13 @@ struct xhci_hcd_mtk { bool has_ippc; int num_u2_ports; int num_u3_ports; + int u3p_dis_msk; struct regulator *vusb33; struct regulator *vbus; struct clk *sys_clk; /* sys and mac clock */ struct clk *ref_clk; - struct clk *wk_deb_p0; /* port0's wakeup debounce clock */ - struct clk *wk_deb_p1; + struct clk *mcu_clk; + struct clk *dma_clk; struct regmap *pericfg; struct phy **phys; int num_phys; diff --git a/drivers/usb/host/xhci-mvebu.c b/drivers/usb/host/xhci-mvebu.c index 85908a3ecb8f..32e158568788 100644 --- a/drivers/usb/host/xhci-mvebu.c +++ b/drivers/usb/host/xhci-mvebu.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014 Marvell * Author: Gregory CLEMENT <gregory.clement@free-electrons.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #include <linux/io.h> diff --git a/drivers/usb/host/xhci-mvebu.h b/drivers/usb/host/xhci-mvebu.h index 301fc984cae6..09791df2cec0 100644 --- a/drivers/usb/host/xhci-mvebu.h +++ b/drivers/usb/host/xhci-mvebu.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014 Marvell * * Gregory Clement <gregory.clement@free-electrons.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #ifndef __LINUX_XHCI_MVEBU_H diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 76f392954733..7ef1274ef7f7 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver PCI Bus Glue. * @@ -5,19 +6,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/pci.h> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 1cb6eaef4ae1..09f164f8cf8c 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xhci-plat.c - xHCI host controller driver platform Bus Glue. * @@ -5,10 +6,6 @@ * Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> * * A lot of code borrowed from the Linux xHCI driver. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #include <linux/clk.h> @@ -16,6 +13,7 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/usb/phy.h> #include <linux/slab.h> @@ -152,7 +150,7 @@ MODULE_DEVICE_TABLE(of, usb_xhci_of_match); static int xhci_plat_probe(struct platform_device *pdev) { - const struct of_device_id *match; + const struct xhci_plat_priv *priv_match; const struct hc_driver *driver; struct device *sysdev; struct xhci_hcd *xhci; @@ -242,9 +240,8 @@ static int xhci_plat_probe(struct platform_device *pdev) } xhci = hcd_to_xhci(hcd); - match = of_match_node(usb_xhci_of_match, pdev->dev.of_node); - if (match) { - const struct xhci_plat_priv *priv_match = match->data; + priv_match = of_device_get_match_data(&pdev->dev); + if (priv_match) { struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); /* Just copy data for now */ @@ -263,6 +260,9 @@ static int xhci_plat_probe(struct platform_device *pdev) goto disable_clk; } + if (device_property_read_bool(sysdev, "usb2-lpm-disable")) + xhci->quirks |= XHCI_HW_LPM_DISABLE; + if (device_property_read_bool(sysdev, "usb3-lpm-capable")) xhci->quirks |= XHCI_LPM_SUPPORT; diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 29b227895b07..ae29f22ff5bd 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xhci-plat.h - xHCI host controller driver platform Bus Glue. * * Copyright (C) 2015 Renesas Electronics Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #ifndef _XHCI_PLAT_H diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 198bc188ab25..f0b559660007 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver for R-Car SoCs * * Copyright (C) 2014 Renesas Electronics Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #include <linux/firmware.h> diff --git a/drivers/usb/host/xhci-rcar.h b/drivers/usb/host/xhci-rcar.h index d247951147a1..804b6ab4246f 100644 --- a/drivers/usb/host/xhci-rcar.h +++ b/drivers/usb/host/xhci-rcar.h @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/host/xhci-rcar.h * * Copyright (C) 2014 Renesas Electronics Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #ifndef _XHCI_RCAR_H diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 82c746e2d85c..c239c688076c 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,19 +6,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* @@ -171,13 +159,13 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring) if (ring->type == TYPE_EVENT) { if (!last_trb_on_seg(ring->deq_seg, ring->dequeue)) { ring->dequeue++; - return; + goto out; } if (last_trb_on_ring(ring, ring->deq_seg, ring->dequeue)) ring->cycle_state ^= 1; ring->deq_seg = ring->deq_seg->next; ring->dequeue = ring->deq_seg->trbs; - return; + goto out; } /* All other rings have link trbs */ @@ -190,6 +178,7 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring) ring->dequeue = ring->deq_seg->trbs; } +out: trace_xhci_inc_deq(ring); return; @@ -946,15 +935,12 @@ void xhci_hc_died(struct xhci_hcd *xhci) * Instead we use a combination of that flag and checking if a new timer is * pending. */ -void xhci_stop_endpoint_command_watchdog(unsigned long arg) +void xhci_stop_endpoint_command_watchdog(struct timer_list *t) { - struct xhci_hcd *xhci; - struct xhci_virt_ep *ep; + struct xhci_virt_ep *ep = from_timer(ep, t, stop_cmd_timer); + struct xhci_hcd *xhci = ep->xhci; unsigned long flags; - ep = (struct xhci_virt_ep *) arg; - xhci = ep->xhci; - spin_lock_irqsave(&xhci->lock, flags); /* bail out if cmd completed but raced with stop ep watchdog timer.*/ @@ -1680,9 +1666,14 @@ static void handle_port_status(struct xhci_hcd *xhci, bus_state->resume_done[faked_port_index] = jiffies + msecs_to_jiffies(USB_RESUME_TIMEOUT); set_bit(faked_port_index, &bus_state->resuming_ports); + /* Do the rest in GetPortStatus after resume time delay. + * Avoid polling roothub status before that so that a + * usb device auto-resume latency around ~40ms. + */ + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); mod_timer(&hcd->rh_timer, bus_state->resume_done[faked_port_index]); - /* Do the rest in GetPortStatus */ + bogus_port_status = true; } } diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index 74436f8ca538..2c076ea80522 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * NVIDIA Tegra xHCI host controller driver * * Copyright (C) 2014 NVIDIA Corporation * Copyright (C) 2014 Google, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. */ #include <linux/clk.h> @@ -771,7 +768,7 @@ static int tegra_xusb_load_firmware(struct tegra_xusb *tegra) struct device *dev = tegra->dev; const struct firmware *fw; unsigned long timeout; - time_t timestamp; + time64_t timestamp; struct tm time; u64 address; u32 value; @@ -877,7 +874,7 @@ static int tegra_xusb_load_firmware(struct tegra_xusb *tegra) } timestamp = le32_to_cpu(header->fwimg_created_time); - time_to_tm(timestamp, 0, &time); + time64_to_tm(timestamp, 0, &time); dev_info(dev, "Firmware timestamp: %ld-%02d-%02d %02d:%02d:%02d UTC\n", time.tm_year + 1900, time.tm_mon + 1, time.tm_mday, diff --git a/drivers/usb/host/xhci-trace.c b/drivers/usb/host/xhci-trace.c index 367b630bdb3c..d0070814d1ea 100644 --- a/drivers/usb/host/xhci-trace.c +++ b/drivers/usb/host/xhci-trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,10 +6,6 @@ * * Author: Xenia Ragiadakou * Email : burzalodowa@gmail.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #define CREATE_TRACE_POINTS diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h index f20753b99624..a3b57c781db1 100644 --- a/drivers/usb/host/xhci-trace.h +++ b/drivers/usb/host/xhci-trace.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,10 +6,6 @@ * * Author: Xenia Ragiadakou * Email : burzalodowa@gmail.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #undef TRACE_SYSTEM @@ -388,6 +385,11 @@ DEFINE_EVENT(xhci_log_slot_ctx, xhci_handle_cmd_set_deq, TP_ARGS(ctx) ); +DEFINE_EVENT(xhci_log_slot_ctx, xhci_configure_endpoint, + TP_PROTO(struct xhci_slot_ctx *ctx), + TP_ARGS(ctx) +); + DECLARE_EVENT_CLASS(xhci_log_ring, TP_PROTO(struct xhci_ring *ring), TP_ARGS(ring), diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 51535ba2bcd4..327ba8b8a98b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver * @@ -5,19 +6,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/pci.h> @@ -32,6 +20,7 @@ #include "xhci.h" #include "xhci-trace.h" #include "xhci-mtk.h" +#include "xhci-debugfs.h" #define DRIVER_AUTHOR "Sarah Sharp" #define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver" @@ -632,6 +621,9 @@ int xhci_run(struct usb_hcd *hcd) } xhci_dbg_trace(xhci, trace_xhci_dbg_init, "Finished xhci_run for USB2 roothub"); + + xhci_debugfs_init(xhci); + return 0; } EXPORT_SYMBOL_GPL(xhci_run); @@ -660,6 +652,8 @@ static void xhci_stop(struct usb_hcd *hcd) return; } + xhci_debugfs_exit(xhci); + spin_lock_irq(&xhci->lock); xhci->xhc_state |= XHCI_STATE_HALTED; xhci->cmd_ring_state = CMD_RING_STATE_STOPPED; @@ -1600,6 +1594,8 @@ static int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, ctrl_ctx->add_flags &= cpu_to_le32(~drop_flag); new_add_flags = le32_to_cpu(ctrl_ctx->add_flags); + xhci_debugfs_remove_endpoint(xhci, xhci->devs[udev->slot_id], ep_index); + xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep); if (xhci->quirks & XHCI_MTK_HOST) @@ -1723,6 +1719,8 @@ static int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, /* Store the usb_device pointer for later use */ ep->hcpriv = udev; + xhci_debugfs_create_endpoint(xhci, virt_dev, ep_index); + xhci_dbg(xhci, "add ep 0x%x, slot id %d, new drop flags = %#x, new add flags = %#x\n", (unsigned int) ep->desc.bEndpointAddress, udev->slot_id, @@ -2555,6 +2553,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, unsigned long flags; struct xhci_input_control_ctx *ctrl_ctx; struct xhci_virt_device *virt_dev; + struct xhci_slot_ctx *slot_ctx; if (!command) return -EINVAL; @@ -2593,6 +2592,9 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, return -ENOMEM; } + slot_ctx = xhci_get_slot_ctx(xhci, command->in_ctx); + trace_xhci_configure_endpoint(slot_ctx); + if (!ctx_change) ret = xhci_queue_configure_endpoint(xhci, command, command->in_ctx->dma, @@ -2773,6 +2775,7 @@ static void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) /* Free any rings allocated for added endpoints */ for (i = 0; i < 31; i++) { if (virt_dev->eps[i].new_ring) { + xhci_debugfs_remove_endpoint(xhci, virt_dev, i); xhci_ring_free(xhci, virt_dev->eps[i].new_ring); virt_dev->eps[i].new_ring = NULL; } @@ -3488,6 +3491,7 @@ static int xhci_discover_or_reset_device(struct usb_hcd *hcd, } if (ep->ring) { + xhci_debugfs_remove_endpoint(xhci, virt_dev, i); xhci_free_endpoint_ring(xhci, virt_dev, i); last_freed_endpoint = i; } @@ -3520,11 +3524,8 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) struct xhci_virt_device *virt_dev; struct xhci_slot_ctx *slot_ctx; int i, ret; - struct xhci_command *command; - command = xhci_alloc_command(xhci, false, false, GFP_KERNEL); - if (!command) - return; + xhci_debugfs_remove_slot(xhci, udev->slot_id); #ifndef CONFIG_USB_DEFAULT_PERSIST /* @@ -3540,10 +3541,8 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) /* If the host is halted due to driver unload, we still need to free the * device. */ - if (ret <= 0 && ret != -ENODEV) { - kfree(command); + if (ret <= 0 && ret != -ENODEV) return; - } virt_dev = xhci->devs[udev->slot_id]; slot_ctx = xhci_get_slot_ctx(xhci, virt_dev->out_ctx); @@ -3555,26 +3554,19 @@ static void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev) del_timer_sync(&virt_dev->eps[i].stop_cmd_timer); } - xhci_disable_slot(xhci, command, udev->slot_id); - /* - * Event command completion handler will free any data structures - * associated with the slot. XXX Can free sleep? - */ + ret = xhci_disable_slot(xhci, udev->slot_id); + if (ret) + xhci_free_virt_device(xhci, udev->slot_id); } -int xhci_disable_slot(struct xhci_hcd *xhci, struct xhci_command *command, - u32 slot_id) +int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id) { + struct xhci_command *command; unsigned long flags; u32 state; int ret = 0; - struct xhci_virt_device *virt_dev; - virt_dev = xhci->devs[slot_id]; - if (!virt_dev) - return -EINVAL; - if (!command) - command = xhci_alloc_command(xhci, false, false, GFP_KERNEL); + command = xhci_alloc_command(xhci, false, false, GFP_KERNEL); if (!command) return -ENOMEM; @@ -3583,17 +3575,16 @@ int xhci_disable_slot(struct xhci_hcd *xhci, struct xhci_command *command, state = readl(&xhci->op_regs->status); if (state == 0xffffffff || (xhci->xhc_state & XHCI_STATE_DYING) || (xhci->xhc_state & XHCI_STATE_HALTED)) { - xhci_free_virt_device(xhci, slot_id); spin_unlock_irqrestore(&xhci->lock, flags); kfree(command); - return ret; + return -ENODEV; } ret = xhci_queue_slot_control(xhci, command, TRB_DISABLE_SLOT, slot_id); if (ret) { spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "FIXME: allocate a command ring segment\n"); + kfree(command); return ret; } xhci_ring_cmd_db(xhci); @@ -3641,13 +3632,10 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) if (!command) return 0; - /* xhci->slot_id and xhci->addr_dev are not thread-safe */ - mutex_lock(&xhci->mutex); spin_lock_irqsave(&xhci->lock, flags); ret = xhci_queue_slot_control(xhci, command, TRB_ENABLE_SLOT, 0); if (ret) { spin_unlock_irqrestore(&xhci->lock, flags); - mutex_unlock(&xhci->mutex); xhci_dbg(xhci, "FIXME: allocate a command ring segment\n"); xhci_free_command(xhci, command); return 0; @@ -3657,7 +3645,6 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) wait_for_completion(command->completion); slot_id = command->slot_id; - mutex_unlock(&xhci->mutex); if (!slot_id || command->status != COMP_SUCCESS) { xhci_err(xhci, "Error while assigning device slot ID\n"); @@ -3668,6 +3655,8 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) return 0; } + xhci_free_command(xhci, command); + if ((xhci->quirks & XHCI_EP_LIMIT_QUIRK)) { spin_lock_irqsave(&xhci->lock, flags); ret = xhci_reserve_host_control_ep_resources(xhci); @@ -3694,6 +3683,8 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) udev->slot_id = slot_id; + xhci_debugfs_create_slot(xhci, slot_id); + #ifndef CONFIG_USB_DEFAULT_PERSIST /* * If resetting upon resume, we can't put the controller into runtime @@ -3703,18 +3694,16 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) pm_runtime_get_noresume(hcd->self.controller); #endif - - xhci_free_command(xhci, command); /* Is this a LS or FS device under a HS hub? */ /* Hub or peripherial? */ return 1; disable_slot: - /* Disable slot, if we can do it without mem alloc */ - kfree(command->completion); - command->completion = NULL; - command->status = 0; - return xhci_disable_slot(xhci, command, udev->slot_id); + ret = xhci_disable_slot(xhci, udev->slot_id); + if (ret) + xhci_free_virt_device(xhci, udev->slot_id); + + return 0; } /* @@ -3838,8 +3827,14 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, break; case COMP_USB_TRANSACTION_ERROR: dev_warn(&udev->dev, "Device not responding to setup %s.\n", act); - ret = -EPROTO; - break; + + mutex_unlock(&xhci->mutex); + ret = xhci_disable_slot(xhci, udev->slot_id); + if (!ret) + xhci_alloc_dev(hcd, udev); + kfree(command->completion); + kfree(command); + return -EPROTO; case COMP_INCOMPATIBLE_DEVICE_ERROR: dev_warn(&udev->dev, "ERROR: Incompatible device for setup %s command\n", act); @@ -4088,7 +4083,7 @@ static int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, xhci_dbg(xhci, "%s port %d USB2 hardware LPM\n", enable ? "enable" : "disable", port_num + 1); - if (enable) { + if (enable && !(xhci->quirks & XHCI_HW_LPM_DISABLE)) { /* Host supports BESL timeout instead of HIRD */ if (udev->usb2_hw_lpm_besl_capable) { /* if device doesn't have a preferred BESL value use a @@ -4287,6 +4282,7 @@ static unsigned long long xhci_calculate_intel_u1_timeout( break; } /* Otherwise the calculation is the same as isoc eps */ + /* fall through */ case USB_ENDPOINT_XFER_ISOC: timeout_ns = xhci_service_interval_to_ns(desc); timeout_ns = DIV_ROUND_UP_ULL(timeout_ns * 105, 100); @@ -5005,6 +5001,8 @@ static int __init xhci_hcd_init(void) if (usb_disabled()) return -ENODEV; + xhci_debugfs_create_root(); + return 0; } @@ -5012,7 +5010,10 @@ static int __init xhci_hcd_init(void) * If an init function is provided, an exit function must also be provided * to allow module unload. */ -static void __exit xhci_hcd_fini(void) { } +static void __exit xhci_hcd_fini(void) +{ + xhci_debugfs_remove_root(); +} module_init(xhci_hcd_init); module_exit(xhci_hcd_fini); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 2b48aa4f6b76..99a014a920d3 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xHCI host controller driver @@ -6,19 +7,6 @@ * * Author: Sarah Sharp * Some code borrowed from the Linux EHCI driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __LINUX_XHCI_HCD_H @@ -131,6 +119,8 @@ struct xhci_cap_regs { /* Extended Capabilities pointer from PCI base - section 5.3.6 */ #define HCC_EXT_CAPS(p) XHCI_HCC_EXT_CAPS(p) +#define CTX_SIZE(_hcc) (HCC_64BYTE_CONTEXT(_hcc) ? 64 : 32) + /* db_off bitmask - bits 0:1 reserved */ #define DBOFF_MASK (~0x3) @@ -1007,6 +997,8 @@ struct xhci_virt_device { struct xhci_tt_bw_info *tt_info; /* The current max exit latency for the enabled USB3 link states. */ u16 current_mel; + /* Used for the debugfs interfaces. */ + void *debugfs_private; }; /* @@ -1830,6 +1822,7 @@ struct xhci_hcd { #define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26) /* Reserved. It was XHCI_U2_DISABLE_WAKE */ #define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28) +#define XHCI_HW_LPM_DISABLE (1 << 29) unsigned int num_active_eps; unsigned int limit_active_eps; @@ -1859,6 +1852,10 @@ struct xhci_hcd { /* Compliance Mode Timer Triggered every 2 seconds */ #define COMP_MODE_RCVRY_MSECS 2000 + struct dentry *debugfs_root; + struct dentry *debugfs_slots; + struct list_head regset_list; + /* platform-specific data -- must come last */ unsigned long priv[0] __aligned(sizeof(s64)); }; @@ -2012,8 +2009,7 @@ int xhci_run(struct usb_hcd *hcd); int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks); void xhci_init_driver(struct hc_driver *drv, const struct xhci_driver_overrides *over); -int xhci_disable_slot(struct xhci_hcd *xhci, - struct xhci_command *command, u32 slot_id); +int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id); int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup); int xhci_resume(struct xhci_hcd *xhci, bool hibernated); @@ -2068,7 +2064,7 @@ void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci, struct xhci_dequeue_state *deq_state); void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index, unsigned int stream_id, struct xhci_td *td); -void xhci_stop_endpoint_command_watchdog(unsigned long arg); +void xhci_stop_endpoint_command_watchdog(struct timer_list *t); void xhci_handle_command_timeout(struct work_struct *work); void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, @@ -2107,6 +2103,7 @@ struct xhci_ep_ctx *xhci_get_ep_ctx(struct xhci_hcd *xhci, struct xhci_container struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id); + static inline struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci, struct urb *urb) { @@ -2442,11 +2439,12 @@ static inline const char *xhci_decode_portsc(u32 portsc) static char str[256]; int ret; - ret = sprintf(str, "%s %s %s Link:%s ", + ret = sprintf(str, "%s %s %s Link:%s PortSpeed:%d ", portsc & PORT_POWER ? "Powered" : "Powered-off", portsc & PORT_CONNECT ? "Connected" : "Not-connected", portsc & PORT_PE ? "Enabled" : "Disabled", - xhci_portsc_link_state_string(portsc)); + xhci_portsc_link_state_string(portsc), + DEV_PORT_SPEED(portsc)); if (portsc & PORT_OC) ret += sprintf(str + ret, "OverCurrent "); diff --git a/drivers/usb/image/Makefile b/drivers/usb/image/Makefile index 4148ae306352..8997c81ba86b 100644 --- a/drivers/usb/image/Makefile +++ b/drivers/usb/image/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for USB Image drivers # diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c index e92540a21b6b..2388674042a9 100644 --- a/drivers/usb/image/mdc800.c +++ b/drivers/usb/image/mdc800.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * copyright (C) 1999/2000 by Henning Zabel <henning@uni-paderborn.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ @@ -893,6 +880,7 @@ static ssize_t mdc800_device_write (struct file *file, const char __user *buf, s return -EIO; } mdc800->pic_len=-1; + /* fall through */ case 0x09: /* Download Thumbnail */ mdc800->download_left=answersize+64; diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 0b21ba757bba..9f2f563c82ed 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Driver for Microtek Scanmaker X6 USB scanner, and possibly others. * * (C) Copyright 2000 John Fremlin <vii@penguinpowered.com> diff --git a/drivers/usb/isp1760/Makefile b/drivers/usb/isp1760/Makefile index 2b741074ad2b..9bb09e8290c4 100644 --- a/drivers/usb/isp1760/Makefile +++ b/drivers/usb/isp1760/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 isp1760-y := isp1760-core.o isp1760-if.o isp1760-$(CONFIG_USB_ISP1760_HCD) += isp1760-hcd.o isp1760-$(CONFIG_USB_ISP1761_UDC) += isp1760-udc.o diff --git a/drivers/usb/isp1760/isp1760-core.c b/drivers/usb/isp1760/isp1760-core.c index bfa402cf3a27..05d22589b5cc 100644 --- a/drivers/usb/isp1760/isp1760-core.c +++ b/drivers/usb/isp1760/isp1760-core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the NXP ISP1760 chip * @@ -7,10 +8,6 @@ * Contacts: * Sebastian Siewior <bigeasy@linutronix.de> * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #include <linux/delay.h> diff --git a/drivers/usb/isp1760/isp1760-core.h b/drivers/usb/isp1760/isp1760-core.h index c70f8368a794..97cb4d7a3e1c 100644 --- a/drivers/usb/isp1760/isp1760-core.h +++ b/drivers/usb/isp1760/isp1760-core.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the NXP ISP1760 chip * @@ -7,10 +8,6 @@ * Contacts: * Sebastian Siewior <bigeasy@linutronix.de> * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #ifndef _ISP1760_CORE_H_ diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c index bb4d6d959871..42672d6ec525 100644 --- a/drivers/usb/isp1760/isp1760-hcd.c +++ b/drivers/usb/isp1760/isp1760-hcd.c @@ -1259,10 +1259,11 @@ leave: #define SLOT_TIMEOUT 300 #define SLOT_CHECK_PERIOD 200 static struct timer_list errata2_timer; +static struct usb_hcd *errata2_timer_hcd; -static void errata2_function(unsigned long data) +static void errata2_function(struct timer_list *unused) { - struct usb_hcd *hcd = (struct usb_hcd *) data; + struct usb_hcd *hcd = errata2_timer_hcd; struct isp1760_hcd *priv = hcd_to_priv(hcd); int slot; struct ptd ptd; @@ -1334,7 +1335,8 @@ static int isp1760_run(struct usb_hcd *hcd) if (retval) return retval; - setup_timer(&errata2_timer, errata2_function, (unsigned long)hcd); + errata2_timer_hcd = hcd; + timer_setup(&errata2_timer, errata2_function, 0); errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD); add_timer(&errata2_timer); diff --git a/drivers/usb/isp1760/isp1760-regs.h b/drivers/usb/isp1760/isp1760-regs.h index b67095c9a9d4..1f00c3850cf7 100644 --- a/drivers/usb/isp1760/isp1760-regs.h +++ b/drivers/usb/isp1760/isp1760-regs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the NXP ISP1760 chip * @@ -7,10 +8,6 @@ * Contacts: * Sebastian Siewior <bigeasy@linutronix.de> * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #ifndef _ISP1760_REGS_H_ diff --git a/drivers/usb/isp1760/isp1760-udc.c b/drivers/usb/isp1760/isp1760-udc.c index 69400f3da886..bac4ef5d9512 100644 --- a/drivers/usb/isp1760/isp1760-udc.c +++ b/drivers/usb/isp1760/isp1760-udc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the NXP ISP1761 device controller * @@ -5,10 +6,6 @@ * * Contacts: * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #include <linux/interrupt.h> @@ -1331,9 +1328,9 @@ static irqreturn_t isp1760_udc_irq(int irq, void *dev) return status ? IRQ_HANDLED : IRQ_NONE; } -static void isp1760_udc_vbus_poll(unsigned long data) +static void isp1760_udc_vbus_poll(struct timer_list *t) { - struct isp1760_udc *udc = (struct isp1760_udc *)data; + struct isp1760_udc *udc = from_timer(udc, t, vbus_timer); unsigned long flags; spin_lock_irqsave(&udc->lock, flags); @@ -1452,8 +1449,7 @@ int isp1760_udc_register(struct isp1760_device *isp, int irq, udc->regs = isp->regs; spin_lock_init(&udc->lock); - setup_timer(&udc->vbus_timer, isp1760_udc_vbus_poll, - (unsigned long)udc); + timer_setup(&udc->vbus_timer, isp1760_udc_vbus_poll, 0); ret = isp1760_udc_init(udc); if (ret < 0) diff --git a/drivers/usb/isp1760/isp1760-udc.h b/drivers/usb/isp1760/isp1760-udc.h index 26899ed81145..2d0b88747701 100644 --- a/drivers/usb/isp1760/isp1760-udc.h +++ b/drivers/usb/isp1760/isp1760-udc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the NXP ISP1761 device controller * @@ -5,10 +6,6 @@ * * Contacts: * Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. */ #ifndef _ISP1760_UDC_H_ diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index 0f9f25db9163..68d2f2cd17dd 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -238,8 +238,8 @@ config USB_HUB_USB251XB depends on I2C help This option enables support for configuration via SMBus of the - Microchip USB251xB/xBi USB 2.0 Hub Controller series. - Configuration parameters may be set in devicetree or platform data. + Microchip USB251x/xBi USB 2.0 Hub Controller series. Configuration + parameters may be set in devicetree or platform data. Say Y or M here if you need to configure such a device via SMBus. config USB_HSIC_USB3503 diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index 1c0ada75c35d..4b8712733fc7 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * adutux - driver for ADU devices from Ontrak Control Systems * This is an experimental driver. Use at your own risk. @@ -5,11 +6,6 @@ * * Copyright (c) 2003 John Homppi (SCO, leave this notice here) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * * derived from the Lego USB Tower driver 0.56: * Copyright (c) 2003 David Glance <davidgsf@sourceforge.net> * 2001 Juergen Stuber <stuber@loria.fr> @@ -761,13 +757,11 @@ error: static void adu_disconnect(struct usb_interface *interface) { struct adu_device *dev; - int minor; dev = usb_get_intfdata(interface); mutex_lock(&dev->mtx); /* not interruptible */ dev->udev = NULL; /* poison */ - minor = dev->minor; usb_deregister_dev(interface, &adu_class); mutex_unlock(&dev->mtx); diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 8efdc500e790..b3eb8b989bd4 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Apple Cinema Display driver * * Copyright (C) 2006 Michael Hanselmann (linux-kernel@hansmi.ch) * * Thanks to Caskey L. Dickson for his work with acdctl. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include <linux/kernel.h> diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c index abec6e604a62..b6a1b9331aa0 100644 --- a/drivers/usb/misc/chaoskey.c +++ b/drivers/usb/misc/chaoskey.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * chaoskey - driver for ChaosKey device from Altus Metrum. * @@ -11,15 +12,6 @@ * bit stream. * * Copyright © 2015 Keith Packard <keithp@keithp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c index 5c93a888c40e..bf4d2778907e 100644 --- a/drivers/usb/misc/cypress_cy7c63.c +++ b/drivers/usb/misc/cypress_cy7c63.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * cypress_cy7c63.c * @@ -23,10 +24,6 @@ * * For up-to-date information please visit: * http://www.obock.de/kernel/cypress -* -* This program is free software; you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation, version 2. */ #include <linux/module.h> diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c index 63207c42acf6..66be86077292 100644 --- a/drivers/usb/misc/cytherm.c +++ b/drivers/usb/misc/cytherm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* -*- linux-c -*- * Cypress USB Thermometer driver * @@ -6,11 +7,6 @@ * This driver works with Elektor magazine USB Interface as published in * issue #291. It should also work with the original starter kit/demo board * from Cypress. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - * */ diff --git a/drivers/usb/misc/ehset.c b/drivers/usb/misc/ehset.c index c31b4a33e6bb..7895d61e733b 100644 --- a/drivers/usb/misc/ehset.c +++ b/drivers/usb/misc/ehset.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2010-2013, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c index 8950fa5e973d..24d841850e05 100644 --- a/drivers/usb/misc/emi26.c +++ b/drivers/usb/misc/emi26.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Emagic EMI 2|6 usb audio interface firmware loader. * Copyright (C) 2002 * Tapio Laxström (tapio.laxstrom@iptime.fi) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, as published by - * the Free Software Foundation, version 2. - * * emi26.c,v 1.13 2002/03/08 13:10:26 tapio Exp */ #include <linux/kernel.h> diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c index 1d9be4431b72..3eea60437f56 100644 --- a/drivers/usb/misc/emi62.c +++ b/drivers/usb/misc/emi62.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Emagic EMI 2|6 usb audio interface firmware loader. * Copyright (C) 2002 * Tapio Laxström (tapio.laxstrom@iptime.fi) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, as published by - * the Free Software Foundation, version 2. */ #include <linux/kernel.h> #include <linux/errno.h> diff --git a/drivers/usb/misc/ezusb.c b/drivers/usb/misc/ezusb.c index 837208f14f86..f058d8029761 100644 --- a/drivers/usb/misc/ezusb.c +++ b/drivers/usb/misc/ezusb.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * EZ-USB specific functions used by some of the USB to Serial drivers. * * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 424ff12f3b51..76c718ac8c78 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB FTDI client driver for Elan Digital Systems's Uxxx adapters * @@ -7,11 +8,6 @@ * Author and Maintainer - Tony Olech - Elan Digital Systems * tony.olech@elandigitalsystems.com * - * This program is free software;you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - * - * * This driver was written by Tony Olech(tony.olech@elandigitalsystems.com) * based on various USB client drivers in the 2.6.15 linux kernel * with constant reference to the 3rd Edition of Linux Device Drivers diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 39d8fedfaf3b..20b0f91a5d9b 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* Siemens ID Mouse driver v0.6 - This program is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - Copyright (C) 2004-5 by Florian 'Floe' Echtler <echtler@fs.tum.de> and Andreas 'ad' Deresch <aderesch@fs.tum.de> diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index be5881303681..ad3109490c0f 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Native support for the I/O-Warrior USB devices * diff --git a/drivers/usb/misc/isight_firmware.c b/drivers/usb/misc/isight_firmware.c index 1c61830e96f9..4d30095d6ad2 100644 --- a/drivers/usb/misc/isight_firmware.c +++ b/drivers/usb/misc/isight_firmware.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for loading USB isight firmware * * Copyright (C) 2008 Matthew Garrett <mjg@redhat.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation, version 2. - * * The USB isight cameras in recent Apples are roughly compatible with the USB * video class specification, and can be driven by uvcvideo. However, they * need firmware to be loaded beforehand. After firmware loading, the device diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 680bddb3ce05..5c1a3b852453 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /** * Generic USB driver for report based interrupt in/out devices * like LD Didactic's USB devices. LD Didactic's USB devices are @@ -12,11 +13,6 @@ * * Copyright (C) 2005 Michael Hund <mhund@ld-didactic.de> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * * Derived from Lego USB Tower driver * Copyright (C) 2003 David Glance <advidgsf@sourceforge.net> * 2001-2004 Juergen Stuber <starblue@users.sourceforge.net> diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 5628f678ab59..c5be6e9e24a5 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * LEGO USB Tower driver * * Copyright (C) 2003 David Glance <davidgsf@sourceforge.net> * 2001-2004 Juergen Stuber <starblue@users.sourceforge.net> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * * derived from USB Skeleton driver - 0.5 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) * diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c index ddddd6387f66..e5c03c6d16e9 100644 --- a/drivers/usb/misc/lvstest.c +++ b/drivers/usb/misc/lvstest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/usb/misc/lvstest.c * @@ -5,10 +6,6 @@ * * Copyright (C) 2014 ST Microelectronics * Pratyush Anand <pratyush.anand@gmail.com> - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/init.h> diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index ddfebb144aaa..7b9adeb3e7aa 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* -*- linux-c -*- */ /* @@ -6,20 +7,6 @@ * Cesar Miquel (miquel@df.uba.ar) * * based on hp_scanner.c by David E. Nelson (dnelson@jump.net) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Based upon mouse.c (Brad Keryan) and printer.c (Michael Gee). * diff --git a/drivers/usb/misc/rio500_usb.h b/drivers/usb/misc/rio500_usb.h index 359abc98e706..6db7a5863496 100644 --- a/drivers/usb/misc/rio500_usb.h +++ b/drivers/usb/misc/rio500_usb.h @@ -1,25 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* ---------------------------------------------------------------------- - Copyright (C) 2000 Cesar Miquel (miquel@df.uba.ar) - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - ---------------------------------------------------------------------- */ - - #define RIO_SEND_COMMAND 0x1 #define RIO_RECV_COMMAND 0x2 diff --git a/drivers/usb/misc/sisusbvga/Makefile b/drivers/usb/misc/sisusbvga/Makefile index 3142476ccc8e..6ed3a638261a 100644 --- a/drivers/usb/misc/sisusbvga/Makefile +++ b/drivers/usb/misc/sisusbvga/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the sisusb driver (if driver is inside kernel tree). # diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 30774e0aeadd..3e65bdc2615c 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles * diff --git a/drivers/usb/misc/sisusbvga/sisusb.h b/drivers/usb/misc/sisusbvga/sisusb.h index 55492a5930bd..20f03ad0ea16 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.h +++ b/drivers/usb/misc/sisusbvga/sisusb.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * sisusb - usb kernel driver for Net2280/SiS315 based USB2VGA dongles * diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c index f019d80ca9e4..73f7bde78e11 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_con.c +++ b/drivers/usb/misc/sisusbvga/sisusb_con.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles * diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.c b/drivers/usb/misc/sisusbvga/sisusb_init.c index bf0032ca35ed..6a30e8bd9221 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_init.c +++ b/drivers/usb/misc/sisusbvga/sisusb_init.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles * diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.h b/drivers/usb/misc/sisusbvga/sisusb_init.h index e79a616f0d26..1782c759c4ad 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_init.h +++ b/drivers/usb/misc/sisusbvga/sisusb_init.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* $XFree86$ */ /* $XdotOrg$ */ /* diff --git a/drivers/usb/misc/sisusbvga/sisusb_struct.h b/drivers/usb/misc/sisusbvga/sisusb_struct.h index 1c4240e802c1..706d77090e00 100644 --- a/drivers/usb/misc/sisusbvga/sisusb_struct.h +++ b/drivers/usb/misc/sisusbvga/sisusb_struct.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * General structure definitions for universal mode switching modules * diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c index 1862ed15ce28..d83af2a332e4 100644 --- a/drivers/usb/misc/trancevibrator.c +++ b/drivers/usb/misc/trancevibrator.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * PlayStation 2 Trance Vibrator driver * * Copyright (C) 2006 Sam Hocevar <sam@zoy.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Standard include files */ diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c index 135c91c434bf..a6efb9a72939 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Microchip USB251xB USB 2.0 Hi-Speed Hub Controller * Configuration via SMBus. @@ -7,25 +8,14 @@ * This work is based on the USB3503 driver by Dongjin Kim and * a not-accepted patch by Fabien Lahoudere, see: * https://patchwork.kernel.org/patch/9257715/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/delay.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/nls.h> #include <linux/of_device.h> -#include <linux/of_gpio.h> #include <linux/slab.h> /* Internal Register Set Addresses & Default Values acc. to DS00001692C */ @@ -38,6 +28,7 @@ #define USB251XB_DEF_PRODUCT_ID_12 0x2512 /* USB2512B/12Bi */ #define USB251XB_DEF_PRODUCT_ID_13 0x2513 /* USB2513B/13Bi */ #define USB251XB_DEF_PRODUCT_ID_14 0x2514 /* USB2514B/14Bi */ +#define USB251XB_DEF_PRODUCT_ID_17 0x2517 /* USB2517/17i */ #define USB251XB_ADDR_DEVICE_ID_LSB 0x04 #define USB251XB_ADDR_DEVICE_ID_MSB 0x05 @@ -82,7 +73,7 @@ #define USB251XB_ADDR_PRODUCT_STRING_LEN 0x14 #define USB251XB_ADDR_PRODUCT_STRING 0x54 -#define USB251XB_DEF_PRODUCT_STRING "USB251xB/xBi" +#define USB251XB_DEF_PRODUCT_STRING "USB251xB/xBi/7i" #define USB251XB_ADDR_SERIAL_STRING_LEN 0x15 #define USB251XB_ADDR_SERIAL_STRING 0x92 @@ -93,8 +84,10 @@ #define USB251XB_ADDR_BOOST_UP 0xF6 #define USB251XB_DEF_BOOST_UP 0x00 -#define USB251XB_ADDR_BOOST_X 0xF8 -#define USB251XB_DEF_BOOST_X 0x00 +#define USB251XB_ADDR_BOOST_57 0xF7 +#define USB251XB_DEF_BOOST_57 0x00 +#define USB251XB_ADDR_BOOST_14 0xF8 +#define USB251XB_DEF_BOOST_14 0x00 #define USB251XB_ADDR_PORT_SWAP 0xFA #define USB251XB_DEF_PORT_SWAP 0x00 @@ -102,7 +95,11 @@ #define USB251XB_ADDR_PORT_MAP_12 0xFB #define USB251XB_DEF_PORT_MAP_12 0x00 #define USB251XB_ADDR_PORT_MAP_34 0xFC -#define USB251XB_DEF_PORT_MAP_34 0x00 /* USB2513B/i & USB2514B/i only */ +#define USB251XB_DEF_PORT_MAP_34 0x00 /* USB251{3B/i,4B/i,7/i} only */ +#define USB251XB_ADDR_PORT_MAP_56 0xFD +#define USB251XB_DEF_PORT_MAP_56 0x00 /* USB2517/i only */ +#define USB251XB_ADDR_PORT_MAP_7 0xFE +#define USB251XB_DEF_PORT_MAP_7 0x00 /* USB2517/i only */ #define USB251XB_ADDR_STATUS_COMMAND 0xFF #define USB251XB_STATUS_COMMAND_SMBUS_DOWN 0x04 @@ -119,7 +116,7 @@ struct usb251xb { struct device *dev; struct i2c_client *i2c; u8 skip_config; - int gpio_reset; + struct gpio_desc *gpio_reset; u16 vendor_id; u16 product_id; u16 device_id; @@ -143,57 +140,97 @@ struct usb251xb { char serial[USB251XB_STRING_BUFSIZE]; u8 bat_charge_en; u8 boost_up; - u8 boost_x; + u8 boost_57; + u8 boost_14; u8 port_swap; u8 port_map12; u8 port_map34; + u8 port_map56; + u8 port_map7; u8 status; }; struct usb251xb_data { u16 product_id; + u8 port_cnt; + bool led_support; + bool bat_support; char product_str[USB251XB_STRING_BUFSIZE / 2]; /* ASCII string */ }; static const struct usb251xb_data usb2512b_data = { .product_id = 0x2512, + .port_cnt = 2, + .led_support = false, + .bat_support = true, .product_str = "USB2512B", }; static const struct usb251xb_data usb2512bi_data = { .product_id = 0x2512, + .port_cnt = 2, + .led_support = false, + .bat_support = true, .product_str = "USB2512Bi", }; static const struct usb251xb_data usb2513b_data = { .product_id = 0x2513, + .port_cnt = 3, + .led_support = false, + .bat_support = true, .product_str = "USB2513B", }; static const struct usb251xb_data usb2513bi_data = { .product_id = 0x2513, + .port_cnt = 3, + .led_support = false, + .bat_support = true, .product_str = "USB2513Bi", }; static const struct usb251xb_data usb2514b_data = { .product_id = 0x2514, + .port_cnt = 4, + .led_support = false, + .bat_support = true, .product_str = "USB2514B", }; static const struct usb251xb_data usb2514bi_data = { .product_id = 0x2514, + .port_cnt = 4, + .led_support = false, + .bat_support = true, .product_str = "USB2514Bi", }; +static const struct usb251xb_data usb2517_data = { + .product_id = 0x2517, + .port_cnt = 7, + .led_support = true, + .bat_support = false, + .product_str = "USB2517", +}; + +static const struct usb251xb_data usb2517i_data = { + .product_id = 0x2517, + .port_cnt = 7, + .led_support = true, + .bat_support = false, + .product_str = "USB2517i", +}; + static void usb251xb_reset(struct usb251xb *hub, int state) { - if (!gpio_is_valid(hub->gpio_reset)) + if (!hub->gpio_reset) return; - gpio_set_value_cansleep(hub->gpio_reset, state); + gpiod_set_value_cansleep(hub->gpio_reset, state); /* wait for hub recovery/stabilization */ - if (state) + if (!state) usleep_range(500, 750); /* >=500us at power on */ else usleep_range(1, 10); /* >=1us at power down */ @@ -212,7 +249,7 @@ static int usb251xb_connect(struct usb251xb *hub) i2c_wb[0] = 0x01; i2c_wb[1] = USB251XB_STATUS_COMMAND_ATTACH; - usb251xb_reset(hub, 1); + usb251xb_reset(hub, 0); err = i2c_smbus_write_i2c_block_data(hub->i2c, USB251XB_ADDR_STATUS_COMMAND, 2, i2c_wb); @@ -253,13 +290,16 @@ static int usb251xb_connect(struct usb251xb *hub) USB251XB_STRING_BUFSIZE); i2c_wb[USB251XB_ADDR_BATTERY_CHARGING_ENABLE] = hub->bat_charge_en; i2c_wb[USB251XB_ADDR_BOOST_UP] = hub->boost_up; - i2c_wb[USB251XB_ADDR_BOOST_X] = hub->boost_x; + i2c_wb[USB251XB_ADDR_BOOST_57] = hub->boost_57; + i2c_wb[USB251XB_ADDR_BOOST_14] = hub->boost_14; i2c_wb[USB251XB_ADDR_PORT_SWAP] = hub->port_swap; i2c_wb[USB251XB_ADDR_PORT_MAP_12] = hub->port_map12; i2c_wb[USB251XB_ADDR_PORT_MAP_34] = hub->port_map34; + i2c_wb[USB251XB_ADDR_PORT_MAP_56] = hub->port_map56; + i2c_wb[USB251XB_ADDR_PORT_MAP_7] = hub->port_map7; i2c_wb[USB251XB_ADDR_STATUS_COMMAND] = USB251XB_STATUS_COMMAND_ATTACH; - usb251xb_reset(hub, 1); + usb251xb_reset(hub, 0); /* write registers */ for (i = 0; i < (USB251XB_I2C_REG_SZ / USB251XB_I2C_WRITE_SZ); i++) { @@ -297,7 +337,7 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, struct device *dev = hub->dev; struct device_node *np = dev->of_node; int len, err, i; - u32 *property_u32 = NULL; + u32 property_u32 = 0; const u32 *cproperty_u32; const char *cproperty_char; char str[USB251XB_STRING_BUFSIZE / 2]; @@ -312,19 +352,13 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, else hub->skip_config = 0; - hub->gpio_reset = of_get_named_gpio(np, "reset-gpios", 0); - if (hub->gpio_reset == -EPROBE_DEFER) + hub->gpio_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (PTR_ERR(hub->gpio_reset) == -EPROBE_DEFER) { return -EPROBE_DEFER; - if (gpio_is_valid(hub->gpio_reset)) { - err = devm_gpio_request_one(dev, hub->gpio_reset, - GPIOF_OUT_INIT_LOW, - "usb251xb reset"); - if (err) { - dev_err(dev, - "unable to request GPIO %d as reset pin (%d)\n", - hub->gpio_reset, err); - return err; - } + } else if (IS_ERR(hub->gpio_reset)) { + err = PTR_ERR(hub->gpio_reset); + dev_err(dev, "unable to request GPIO reset pin (%d)\n", err); + return err; } if (of_property_read_u16_array(np, "vendor-id", &hub->vendor_id, 1)) @@ -374,16 +408,16 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, if (of_get_property(np, "dynamic-power-switching", NULL)) hub->conf_data2 |= BIT(7); - if (!of_property_read_u32(np, "oc-delay-us", property_u32)) { - if (*property_u32 == 100) { + if (!of_property_read_u32(np, "oc-delay-us", &property_u32)) { + if (property_u32 == 100) { /* 100 us*/ hub->conf_data2 &= ~BIT(5); hub->conf_data2 &= ~BIT(4); - } else if (*property_u32 == 4000) { + } else if (property_u32 == 4000) { /* 4 ms */ hub->conf_data2 &= ~BIT(5); hub->conf_data2 |= BIT(4); - } else if (*property_u32 == 16000) { + } else if (property_u32 == 16000) { /* 16 ms */ hub->conf_data2 |= BIT(5); hub->conf_data2 |= BIT(4); @@ -401,6 +435,9 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, if (of_get_property(np, "port-mapping-mode", NULL)) hub->conf_data3 |= BIT(3); + if (data->led_support && of_get_property(np, "led-usb-mode", NULL)) + hub->conf_data3 &= ~BIT(1); + if (of_get_property(np, "string-support", NULL)) hub->conf_data3 |= BIT(0); @@ -410,8 +447,11 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, for (i = 0; i < len / sizeof(u32); i++) { u32 port = be32_to_cpu(cproperty_u32[i]); - if ((port >= 1) && (port <= 4)) + if ((port >= 1) && (port <= data->port_cnt)) hub->non_rem_dev |= BIT(port); + else + dev_warn(dev, "NRD port %u doesn't exist\n", + port); } } @@ -421,8 +461,11 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, for (i = 0; i < len / sizeof(u32); i++) { u32 port = be32_to_cpu(cproperty_u32[i]); - if ((port >= 1) && (port <= 4)) + if ((port >= 1) && (port <= data->port_cnt)) hub->port_disable_sp |= BIT(port); + else + dev_warn(dev, "PDS port %u doesn't exist\n", + port); } } @@ -432,14 +475,37 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, for (i = 0; i < len / sizeof(u32); i++) { u32 port = be32_to_cpu(cproperty_u32[i]); - if ((port >= 1) && (port <= 4)) + if ((port >= 1) && (port <= data->port_cnt)) hub->port_disable_bp |= BIT(port); + else + dev_warn(dev, "PDB port %u doesn't exist\n", + port); } } + hub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF; + if (!of_property_read_u32(np, "sp-max-total-current-microamp", + &property_u32)) + hub->max_power_sp = min_t(u8, property_u32 / 2000, 50); + + hub->max_power_bp = USB251XB_DEF_MAX_POWER_BUS; + if (!of_property_read_u32(np, "bp-max-total-current-microamp", + &property_u32)) + hub->max_power_bp = min_t(u8, property_u32 / 2000, 255); + + hub->max_current_sp = USB251XB_DEF_MAX_CURRENT_SELF; + if (!of_property_read_u32(np, "sp-max-removable-current-microamp", + &property_u32)) + hub->max_current_sp = min_t(u8, property_u32 / 2000, 50); + + hub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS; + if (!of_property_read_u32(np, "bp-max-removable-current-microamp", + &property_u32)) + hub->max_current_bp = min_t(u8, property_u32 / 2000, 255); + hub->power_on_time = USB251XB_DEF_POWER_ON_TIME; - if (!of_property_read_u32(np, "power-on-time-ms", property_u32)) - hub->power_on_time = min_t(u8, *property_u32 / 2, 255); + if (!of_property_read_u32(np, "power-on-time-ms", &property_u32)) + hub->power_on_time = min_t(u8, property_u32 / 2, 255); if (of_property_read_u16_array(np, "language-id", &hub->lang_id, 1)) hub->lang_id = USB251XB_DEF_LANGUAGE_ID; @@ -476,16 +542,15 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, /* The following parameters are currently not exposed to devicetree, but * may be as soon as needed. */ - hub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF; - hub->max_power_bp = USB251XB_DEF_MAX_POWER_BUS; - hub->max_current_sp = USB251XB_DEF_MAX_CURRENT_SELF; - hub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS; hub->bat_charge_en = USB251XB_DEF_BATTERY_CHARGING_ENABLE; hub->boost_up = USB251XB_DEF_BOOST_UP; - hub->boost_x = USB251XB_DEF_BOOST_X; + hub->boost_57 = USB251XB_DEF_BOOST_57; + hub->boost_14 = USB251XB_DEF_BOOST_14; hub->port_swap = USB251XB_DEF_PORT_SWAP; hub->port_map12 = USB251XB_DEF_PORT_MAP_12; hub->port_map34 = USB251XB_DEF_PORT_MAP_34; + hub->port_map56 = USB251XB_DEF_PORT_MAP_56; + hub->port_map7 = USB251XB_DEF_PORT_MAP_7; return 0; } @@ -510,6 +575,12 @@ static const struct of_device_id usb251xb_of_match[] = { .compatible = "microchip,usb2514bi", .data = &usb2514bi_data, }, { + .compatible = "microchip,usb2517", + .data = &usb2517_data, + }, { + .compatible = "microchip,usb2517i", + .data = &usb2517i_data, + }, { /* sentinel */ } }; @@ -573,6 +644,8 @@ static const struct i2c_device_id usb251xb_id[] = { { "usb2513bi", 0 }, { "usb2514b", 0 }, { "usb2514bi", 0 }, + { "usb2517", 0 }, + { "usb2517i", 0 }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(i2c, usb251xb_id); @@ -589,5 +662,5 @@ static struct i2c_driver usb251xb_i2c_driver = { module_i2c_driver(usb251xb_i2c_driver); MODULE_AUTHOR("Richard Leitner <richard.leitner@skidata.com>"); -MODULE_DESCRIPTION("USB251xB/xBi USB 2.0 Hub Controller Driver"); +MODULE_DESCRIPTION("USB251x/xBi USB 2.0 Hub Controller Driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c index 8e7737d7ac0a..465dbf68b463 100644 --- a/drivers/usb/misc/usb3503.c +++ b/drivers/usb/misc/usb3503.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for SMSC USB3503 USB 2.0 hub controller driver * * Copyright (c) 2012-2013 Dongjin Kim (tobetter@gmail.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/clk.h> diff --git a/drivers/usb/misc/usb4604.c b/drivers/usb/misc/usb4604.c index e9f37fb746ac..1b4de651e697 100644 --- a/drivers/usb/misc/usb4604.c +++ b/drivers/usb/misc/usb4604.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for SMSC USB4604 USB HSIC 4-port 2.0 hub controller driver * Based on usb3503 driver * * Copyright (c) 2012-2013 Dongjin Kim (tobetter@gmail.com) * Copyright (c) 2016 Linaro Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/i2c.h> diff --git a/drivers/usb/misc/usb_u132.h b/drivers/usb/misc/usb_u132.h index dc2e5a31caec..4bf77736914f 100644 --- a/drivers/usb/misc/usb_u132.h +++ b/drivers/usb/misc/usb_u132.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Common Header File for the Elan Digital Systems U132 adapter * this file should be included by both the "ftdi-u132" and @@ -9,11 +10,6 @@ * Author and Maintainer - Tony Olech - Elan Digital Systems *(tony.olech@elandigitalsystems.com) * -* This program is free software;you can redistribute it and/or -* modify it under the terms of the GNU General Public License as -* published by the Free Software Foundation, version 2. -* -* * The driver was written by Tony Olech(tony.olech@elandigitalsystems.com) * based on various USB client drivers in the 2.6.15 linux kernel * with constant reference to the 3rd Edition of Linux Device Drivers diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c index 0f5ad896c7e3..9ba4a4e68d91 100644 --- a/drivers/usb/misc/usblcd.c +++ b/drivers/usb/misc/usblcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /***************************************************************************** * USBLCD Kernel Driver * * Version 1.05 * diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c index 3f6a28045b53..12f7e94695a2 100644 --- a/drivers/usb/misc/usbsevseg.c +++ b/drivers/usb/misc/usbsevseg.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB 7 Segment Driver * * Copyright (C) 2008 Harrison Metzger <harrisonmetz@gmail.com> * Based on usbled.c by Greg Kroah-Hartman (greg@kroah.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - * */ #include <linux/kernel.h> diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 5ad74750e8a4..aedc9a7f149e 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/errno.h> #include <linux/init.h> @@ -1023,7 +1024,7 @@ static int ch9_postconfig(struct usbtest_dev *dev) /* FIXME fetch strings from at least the device descriptor */ /* [9.4.5] get_status always works */ - retval = usb_get_status(udev, USB_RECIP_DEVICE, 0, dev->buf); + retval = usb_get_std_status(udev, USB_RECIP_DEVICE, 0, dev->buf); if (retval) { dev_err(&iface->dev, "get dev status --> %d\n", retval); return retval; @@ -1033,7 +1034,7 @@ static int ch9_postconfig(struct usbtest_dev *dev) * the device's remote wakeup feature ... if we can, test that here */ - retval = usb_get_status(udev, USB_RECIP_INTERFACE, + retval = usb_get_std_status(udev, USB_RECIP_INTERFACE, iface->altsetting[0].desc.bInterfaceNumber, dev->buf); if (retval) { dev_err(&iface->dev, "get interface status --> %d\n", retval); @@ -1622,7 +1623,7 @@ static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) u16 status; /* shouldn't look or act halted */ - retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); + retval = usb_get_std_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); if (retval < 0) { ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", ep, retval); @@ -1644,7 +1645,7 @@ static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) u16 status; /* should look and act halted */ - retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); + retval = usb_get_std_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); if (retval < 0) { ERROR(tdev, "ep %02x couldn't get halt status, %d\n", ep, retval); @@ -1917,7 +1918,7 @@ static struct urb *iso_alloc_urb( if (bytes < 0 || !desc) return NULL; - maxp = 0x7ff & usb_endpoint_maxp(desc); + maxp = usb_endpoint_maxp(desc); maxp *= usb_endpoint_maxp_mult(desc); packets = DIV_ROUND_UP(bytes, maxp); diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c index 8a13b2fcf3e1..263c97fec708 100644 --- a/drivers/usb/misc/uss720.c +++ b/drivers/usb/misc/uss720.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /*****************************************************************************/ /* @@ -6,20 +7,6 @@ * Copyright (C) 1999, 2005, 2010 * Thomas Sailer (t.sailer@alumni.ethz.ch) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * * Based on parport_pc.c * * History: diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 58abdf28620a..8abb6cbbd98a 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for Meywa-Denki & KAYAC YUREX * * Copyright (C) 2010 Tomoki Sekiyama (tomoki.sekiyama@gmail.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - * */ #include <linux/kernel.h> diff --git a/drivers/usb/mon/Makefile b/drivers/usb/mon/Makefile index 8ed24ab08698..09f43e89633c 100644 --- a/drivers/usb/mon/Makefile +++ b/drivers/usb/mon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for USB monitor # diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c index 46847340b819..9812d102a005 100644 --- a/drivers/usb/mon/mon_main.c +++ b/drivers/usb/mon/mon_main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * The USB Monitor, inspired by Dave Harding's USBMon. * diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h index b26fffc58446..3c888d942a9f 100644 --- a/drivers/usb/mtu3/mtu3.h +++ b/drivers/usb/mtu3/mtu3.h @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3.h - MediaTek USB3 DRD header * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __MTU3_H__ @@ -46,6 +37,9 @@ struct mtu3_request; #define MU3D_EP_RXCR1(epnum) (U3D_RX1CSR1 + (((epnum) - 1) * 0x10)) #define MU3D_EP_RXCR2(epnum) (U3D_RX1CSR2 + (((epnum) - 1) * 0x10)) +#define USB_QMU_TQHIAR(epnum) (U3D_TXQHIAR1 + (((epnum) - 1) * 0x4)) +#define USB_QMU_RQHIAR(epnum) (U3D_RXQHIAR1 + (((epnum) - 1) * 0x4)) + #define USB_QMU_RQCSR(epnum) (U3D_RXQCSR1 + (((epnum) - 1) * 0x10)) #define USB_QMU_RQSAR(epnum) (U3D_RXQSAR1 + (((epnum) - 1) * 0x10)) #define USB_QMU_RQCPR(epnum) (U3D_RXQCPR1 + (((epnum) - 1) * 0x10)) @@ -91,6 +85,7 @@ enum mtu3_speed { MTU3_SPEED_FULL = 1, MTU3_SPEED_HIGH = 3, MTU3_SPEED_SUPER = 4, + MTU3_SPEED_SUPER_PLUS = 5, }; /** @@ -112,6 +107,19 @@ enum mtu3_g_ep0_state { }; /** + * MTU3_DR_FORCE_NONE: automatically switch host and periperal mode + * by IDPIN signal. + * MTU3_DR_FORCE_HOST: force to enter host mode and override OTG + * IDPIN signal. + * MTU3_DR_FORCE_DEVICE: force to enter peripheral mode. + */ +enum mtu3_dr_force_mode { + MTU3_DR_FORCE_NONE = 0, + MTU3_DR_FORCE_HOST, + MTU3_DR_FORCE_DEVICE, +}; + +/** * @base: the base address of fifo * @limit: the bitmap size in bits * @bitmap: fifo bitmap in unit of @MTU3_EP_FIFO_UNIT @@ -138,23 +146,33 @@ struct mtu3_fifo_info { * Checksum value is calculated over the 16 bytes of the GPD by default; * @data_buf_len (RX ONLY): This value indicates the length of * the assigned data buffer + * @tx_ext_addr (TX ONLY): [3:0] are 4 extension bits of @buffer, + * [7:4] are 4 extension bits of @next_gpd * @next_gpd: Physical address of the next GPD * @buffer: Physical address of the data buffer * @buf_len: * (TX): This value indicates the length of the assigned data buffer * (RX): The total length of data received * @ext_len: reserved + * @rx_ext_addr(RX ONLY): [3:0] are 4 extension bits of @buffer, + * [7:4] are 4 extension bits of @next_gpd * @ext_flag: * bit5 (TX ONLY): Zero Length Packet (ZLP), */ struct qmu_gpd { __u8 flag; __u8 chksum; - __le16 data_buf_len; + union { + __le16 data_buf_len; + __le16 tx_ext_addr; + }; __le32 next_gpd; __le32 buffer; __le16 buf_len; - __u8 ext_len; + union { + __u8 ext_len; + __u8 rx_ext_addr; + }; __u8 ext_flag; } __packed; @@ -183,7 +201,6 @@ struct mtu3_gpd_ring { * xHCI driver initialization, it's necessary for system bootup * as device. * @is_u3_drd: whether port0 supports usb3.0 dual-role device or not -* @id_*: used to maually switch between host and device modes by idpin * @manual_drd_enabled: it's true when supports dual-role device by debugfs * to switch host/device modes depending on user input. */ @@ -194,10 +211,6 @@ struct otg_switch_mtk { struct notifier_block id_nb; struct delayed_work extcon_reg_dwork; bool is_u3_drd; - /* dual-role switch by debugfs */ - struct pinctrl *id_pinctrl; - struct pinctrl_state *id_float; - struct pinctrl_state *id_ground; bool manual_drd_enabled; }; @@ -206,14 +219,17 @@ struct otg_switch_mtk { * @ippc_base: register base address of IP Power and Clock interface (IPPC) * @vusb33: usb3.3V shared by device/host IP * @sys_clk: system clock of mtu3, shared by device/host IP + * @ref_clk: reference clock + * @mcu_clk: mcu_bus_ck clock for AHB bus etc + * @dma_clk: dma_bus_ck clock for AXI bus etc * @dr_mode: works in which mode: * host only, device only or dual-role mode * @u2_ports: number of usb2.0 host ports * @u3_ports: number of usb3.0 host ports + * @u3p_dis_msk: mask of disabling usb3 ports, for example, bit0==1 to + * disable u3port0, bit1==1 to disable u3port1,... etc * @dbgfs_root: only used when supports manual dual-role switch via debugfs * @wakeup_en: it's true when supports remote wakeup in host mode - * @wk_deb_p0: port0's wakeup debounce clock - * @wk_deb_p1: it's optional, and depends on port1 is supported or not */ struct ssusb_mtk { struct device *dev; @@ -226,17 +242,18 @@ struct ssusb_mtk { struct regulator *vusb33; struct clk *sys_clk; struct clk *ref_clk; + struct clk *mcu_clk; + struct clk *dma_clk; /* otg */ struct otg_switch_mtk otg_switch; enum usb_dr_mode dr_mode; bool is_host; int u2_ports; int u3_ports; + int u3p_dis_msk; struct dentry *dbgfs_root; /* usb wakeup for host mode */ bool wakeup_en; - struct clk *wk_deb_p0; - struct clk *wk_deb_p1; struct regmap *pericfg; }; diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index 99c65b0788ff..b1b99a8f6a7a 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_core.c - hardware access layer and gadget init/exit of * MediaTek usb3 Dual-Role Controller Driver @@ -5,18 +6,9 @@ * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ +#include <linux/dma-mapping.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of_address.h> @@ -114,7 +106,9 @@ static int mtu3_device_enable(struct mtu3 *mtu) mtu3_clrbits(ibase, SSUSB_U2_CTRL(0), (SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN | SSUSB_U2_PORT_HOST_SEL)); - mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL); + + if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) + mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL); return ssusb_check_clocks(mtu->ssusb, check_clk); } @@ -129,7 +123,10 @@ static void mtu3_device_disable(struct mtu3 *mtu) mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN); - mtu3_clrbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL); + + if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) + mtu3_clrbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL); + mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN); } @@ -236,7 +233,7 @@ void mtu3_ep_stall_set(struct mtu3_ep *mep, bool set) void mtu3_dev_on_off(struct mtu3 *mtu, int is_on) { - if (mtu->is_u3_ip && (mtu->max_speed == USB_SPEED_SUPER)) + if (mtu->is_u3_ip && mtu->max_speed >= USB_SPEED_SUPER) mtu3_ss_func_set(mtu, is_on); else mtu3_hs_softconn_set(mtu, is_on); @@ -546,6 +543,9 @@ static void mtu3_set_speed(struct mtu3 *mtu) mtu3_clrbits(mbase, U3D_USB3_CONFIG, USB3_EN); /* HS/FS detected by HW */ mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE); + } else if (mtu->max_speed == USB_SPEED_SUPER) { + mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0), + SSUSB_U3_PORT_SSP_SPEED); } dev_info(mtu->dev, "max_speed: %s\n", @@ -623,6 +623,10 @@ static irqreturn_t mtu3_link_isr(struct mtu3 *mtu) udev_speed = USB_SPEED_SUPER; maxpkt = 512; break; + case MTU3_SPEED_SUPER_PLUS: + udev_speed = USB_SPEED_SUPER_PLUS; + maxpkt = 512; + break; default: udev_speed = USB_SPEED_UNKNOWN; break; @@ -759,7 +763,31 @@ static void mtu3_hw_exit(struct mtu3 *mtu) mtu3_mem_free(mtu); } -/*-------------------------------------------------------------------------*/ +/** + * we set 32-bit DMA mask by default, here check whether the controller + * supports 36-bit DMA or not, if it does, set 36-bit DMA mask. + */ +static int mtu3_set_dma_mask(struct mtu3 *mtu) +{ + struct device *dev = mtu->dev; + bool is_36bit = false; + int ret = 0; + u32 value; + + value = mtu3_readl(mtu->mac_base, U3D_MISC_CTRL); + if (value & DMA_ADDR_36BIT) { + is_36bit = true; + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(36)); + /* If set 36-bit DMA mask fails, fall back to 32-bit DMA mask */ + if (ret) { + is_36bit = false; + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + } + } + dev_info(dev, "dma mask: %s bits\n", is_36bit ? "36" : "32"); + + return ret; +} int ssusb_gadget_init(struct ssusb_mtk *ssusb) { @@ -774,9 +802,9 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb) return -ENOMEM; mtu->irq = platform_get_irq(pdev, 0); - if (mtu->irq <= 0) { + if (mtu->irq < 0) { dev_err(dev, "fail to get irq number\n"); - return -ENODEV; + return mtu->irq; } dev_info(dev, "irq %d\n", mtu->irq); @@ -800,14 +828,15 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb) case USB_SPEED_FULL: case USB_SPEED_HIGH: case USB_SPEED_SUPER: + case USB_SPEED_SUPER_PLUS: break; default: dev_err(dev, "invalid max_speed: %s\n", usb_speed_string(mtu->max_speed)); /* fall through */ case USB_SPEED_UNKNOWN: - /* default as SS */ - mtu->max_speed = USB_SPEED_SUPER; + /* default as SSP */ + mtu->max_speed = USB_SPEED_SUPER_PLUS; break; } @@ -820,6 +849,12 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb) return ret; } + ret = mtu3_set_dma_mask(mtu); + if (ret) { + dev_err(dev, "mtu3 set dma_mask failed:%d\n", ret); + goto dma_mask_err; + } + ret = devm_request_irq(dev, mtu->irq, mtu3_irq, 0, dev_name(dev), mtu); if (ret) { dev_err(dev, "request irq %d failed!\n", mtu->irq); @@ -845,6 +880,7 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb) gadget_err: device_init_wakeup(dev, false); +dma_mask_err: irq_err: mtu3_hw_exit(mtu); ssusb->u3d = NULL; diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c index 560256115b23..db7562d99b95 100644 --- a/drivers/usb/mtu3/mtu3_dr.c +++ b/drivers/usb/mtu3/mtu3_dr.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_dr.c - dual role switch and host glue layer * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/debugfs.h> @@ -261,21 +252,22 @@ static void extcon_register_dwork(struct work_struct *work) * depending on user input. * This is useful in special cases, such as uses TYPE-A receptacle but also * wants to support dual-role mode. - * It generates cable state changes by pulling up/down IDPIN and - * notifies driver to switch mode by "extcon-usb-gpio". - * NOTE: when use MICRO receptacle, should not enable this interface. */ static void ssusb_mode_manual_switch(struct ssusb_mtk *ssusb, int to_host) { struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - if (to_host) - pinctrl_select_state(otg_sx->id_pinctrl, otg_sx->id_ground); - else - pinctrl_select_state(otg_sx->id_pinctrl, otg_sx->id_float); + if (to_host) { + ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST); + ssusb_set_mailbox(otg_sx, MTU3_VBUS_OFF); + ssusb_set_mailbox(otg_sx, MTU3_ID_GROUND); + } else { + ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_DEVICE); + ssusb_set_mailbox(otg_sx, MTU3_ID_FLOAT); + ssusb_set_mailbox(otg_sx, MTU3_VBUS_VALID); + } } - static int ssusb_mode_show(struct seq_file *sf, void *unused) { struct ssusb_mtk *ssusb = sf->private; @@ -388,17 +380,45 @@ static void ssusb_debugfs_exit(struct ssusb_mtk *ssusb) debugfs_remove_recursive(ssusb->dbgfs_root); } +void ssusb_set_force_mode(struct ssusb_mtk *ssusb, + enum mtu3_dr_force_mode mode) +{ + u32 value; + + value = mtu3_readl(ssusb->ippc_base, SSUSB_U2_CTRL(0)); + switch (mode) { + case MTU3_DR_FORCE_DEVICE: + value |= SSUSB_U2_PORT_FORCE_IDDIG | SSUSB_U2_PORT_RG_IDDIG; + break; + case MTU3_DR_FORCE_HOST: + value |= SSUSB_U2_PORT_FORCE_IDDIG; + value &= ~SSUSB_U2_PORT_RG_IDDIG; + break; + case MTU3_DR_FORCE_NONE: + value &= ~(SSUSB_U2_PORT_FORCE_IDDIG | SSUSB_U2_PORT_RG_IDDIG); + break; + default: + return; + } + mtu3_writel(ssusb->ippc_base, SSUSB_U2_CTRL(0), value); +} + int ssusb_otg_switch_init(struct ssusb_mtk *ssusb) { struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - INIT_DELAYED_WORK(&otg_sx->extcon_reg_dwork, extcon_register_dwork); - - if (otg_sx->manual_drd_enabled) + if (otg_sx->manual_drd_enabled) { ssusb_debugfs_init(ssusb); - - /* It is enough to delay 1s for waiting for host initialization */ - schedule_delayed_work(&otg_sx->extcon_reg_dwork, HZ); + } else { + INIT_DELAYED_WORK(&otg_sx->extcon_reg_dwork, + extcon_register_dwork); + + /* + * It is enough to delay 1s for waiting for + * host initialization + */ + schedule_delayed_work(&otg_sx->extcon_reg_dwork, HZ); + } return 0; } @@ -407,8 +427,8 @@ void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb) { struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - cancel_delayed_work(&otg_sx->extcon_reg_dwork); - if (otg_sx->manual_drd_enabled) ssusb_debugfs_exit(ssusb); + else + cancel_delayed_work(&otg_sx->extcon_reg_dwork); } diff --git a/drivers/usb/mtu3/mtu3_dr.h b/drivers/usb/mtu3/mtu3_dr.h index 9b228b5811b0..c179192408ba 100644 --- a/drivers/usb/mtu3/mtu3_dr.h +++ b/drivers/usb/mtu3/mtu3_dr.h @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_dr.h - dual role switch and host glue layer header * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _MTU3_DR_H_ @@ -87,6 +78,8 @@ static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb) int ssusb_otg_switch_init(struct ssusb_mtk *ssusb); void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb); int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on); +void ssusb_set_force_mode(struct ssusb_mtk *ssusb, + enum mtu3_dr_force_mode mode); #else @@ -103,6 +96,10 @@ static inline int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on) return 0; } +static inline void +ssusb_set_force_mode(struct ssusb_mtk *ssusb, enum mtu3_dr_force_mode mode) +{} + #endif #endif /* _MTU3_DR_H_ */ diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c index 434fca58143c..f05f10f5c171 100644 --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_gadget.c - MediaTek usb3 DRD peripheral support * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include "mtu3.h" @@ -89,6 +80,7 @@ static int mtu3_ep_enable(struct mtu3_ep *mep) switch (mtu->g.speed) { case USB_SPEED_SUPER: + case USB_SPEED_SUPER_PLUS: if (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc)) { interval = desc->bInterval; @@ -456,7 +448,7 @@ static int mtu3_gadget_wakeup(struct usb_gadget *gadget) return -EOPNOTSUPP; spin_lock_irqsave(&mtu->lock, flags); - if (mtu->g.speed == USB_SPEED_SUPER) { + if (mtu->g.speed >= USB_SPEED_SUPER) { mtu3_setbits(mtu->mac_base, U3D_LINK_POWER_CONTROL, UX_EXIT); } else { mtu3_setbits(mtu->mac_base, U3D_POWER_MANAGEMENT, RESUME); diff --git a/drivers/usb/mtu3/mtu3_gadget_ep0.c b/drivers/usb/mtu3/mtu3_gadget_ep0.c index 958d74dd2b78..ebdcf7a38c29 100644 --- a/drivers/usb/mtu3/mtu3_gadget_ep0.c +++ b/drivers/usb/mtu3/mtu3_gadget_ep0.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_gadget_ep0.c - MediaTek USB3 DRD peripheral driver ep0 handling * * Copyright (c) 2016 MediaTek Inc. * * Author: Chunfeng.Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/usb/composite.h> @@ -212,8 +203,8 @@ ep0_get_status(struct mtu3 *mtu, const struct usb_ctrlrequest *setup) case USB_RECIP_DEVICE: result[0] = mtu->is_self_powered << USB_DEVICE_SELF_POWERED; result[0] |= mtu->may_wakeup << USB_DEVICE_REMOTE_WAKEUP; - /* superspeed only */ - if (mtu->g.speed == USB_SPEED_SUPER) { + + if (mtu->g.speed >= USB_SPEED_SUPER) { result[0] |= mtu->u1_enable << USB_DEV_STAT_U1_ENABLED; result[0] |= mtu->u2_enable << USB_DEV_STAT_U2_ENABLED; } @@ -329,8 +320,8 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu, handled = handle_test_mode(mtu, setup); break; case USB_DEVICE_U1_ENABLE: - if (mtu->g.speed != USB_SPEED_SUPER || - mtu->g.state != USB_STATE_CONFIGURED) + if (mtu->g.speed < USB_SPEED_SUPER || + mtu->g.state != USB_STATE_CONFIGURED) break; lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL); @@ -344,8 +335,8 @@ static int ep0_handle_feature_dev(struct mtu3 *mtu, handled = 1; break; case USB_DEVICE_U2_ENABLE: - if (mtu->g.speed != USB_SPEED_SUPER || - mtu->g.state != USB_STATE_CONFIGURED) + if (mtu->g.speed < USB_SPEED_SUPER || + mtu->g.state != USB_STATE_CONFIGURED) break; lpc = mtu3_readl(mbase, U3D_LINK_POWER_CONTROL); @@ -384,8 +375,8 @@ static int ep0_handle_feature(struct mtu3 *mtu, break; case USB_RECIP_INTERFACE: /* superspeed only */ - if ((value == USB_INTRF_FUNC_SUSPEND) - && (mtu->g.speed == USB_SPEED_SUPER)) { + if (value == USB_INTRF_FUNC_SUSPEND && + mtu->g.speed >= USB_SPEED_SUPER) { /* * forward the request because function drivers * should handle it diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c index e42d308b8dc2..d237d7e65c44 100644 --- a/drivers/usb/mtu3/mtu3_host.c +++ b/drivers/usb/mtu3/mtu3_host.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_dr.c - dual role switch and host glue layer * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/clk.h> @@ -79,20 +70,6 @@ int ssusb_wakeup_of_property_parse(struct ssusb_mtk *ssusb, if (!ssusb->wakeup_en) return 0; - ssusb->wk_deb_p0 = devm_clk_get(dev, "wakeup_deb_p0"); - if (IS_ERR(ssusb->wk_deb_p0)) { - dev_err(dev, "fail to get wakeup_deb_p0\n"); - return PTR_ERR(ssusb->wk_deb_p0); - } - - if (of_property_read_bool(dn, "wakeup_deb_p1")) { - ssusb->wk_deb_p1 = devm_clk_get(dev, "wakeup_deb_p1"); - if (IS_ERR(ssusb->wk_deb_p1)) { - dev_err(dev, "fail to get wakeup_deb_p1\n"); - return PTR_ERR(ssusb->wk_deb_p1); - } - } - ssusb->pericfg = syscon_regmap_lookup_by_phandle(dn, "mediatek,syscon-wakeup"); if (IS_ERR(ssusb->pericfg)) { @@ -103,36 +80,6 @@ int ssusb_wakeup_of_property_parse(struct ssusb_mtk *ssusb, return 0; } -static int ssusb_wakeup_clks_enable(struct ssusb_mtk *ssusb) -{ - int ret; - - ret = clk_prepare_enable(ssusb->wk_deb_p0); - if (ret) { - dev_err(ssusb->dev, "failed to enable wk_deb_p0\n"); - goto usb_p0_err; - } - - ret = clk_prepare_enable(ssusb->wk_deb_p1); - if (ret) { - dev_err(ssusb->dev, "failed to enable wk_deb_p1\n"); - goto usb_p1_err; - } - - return 0; - -usb_p1_err: - clk_disable_unprepare(ssusb->wk_deb_p0); -usb_p0_err: - return -EINVAL; -} - -static void ssusb_wakeup_clks_disable(struct ssusb_mtk *ssusb) -{ - clk_disable_unprepare(ssusb->wk_deb_p1); - clk_disable_unprepare(ssusb->wk_deb_p0); -} - static void host_ports_num_get(struct ssusb_mtk *ssusb) { u32 xhci_cap; @@ -151,6 +98,7 @@ int ssusb_host_enable(struct ssusb_mtk *ssusb) void __iomem *ibase = ssusb->ippc_base; int num_u3p = ssusb->u3_ports; int num_u2p = ssusb->u2_ports; + int u3_ports_disabed; u32 check_clk; u32 value; int i; @@ -158,8 +106,14 @@ int ssusb_host_enable(struct ssusb_mtk *ssusb) /* power on host ip */ mtu3_clrbits(ibase, U3D_SSUSB_IP_PW_CTRL1, SSUSB_IP_HOST_PDN); - /* power on and enable all u3 ports */ + /* power on and enable u3 ports except skipped ones */ + u3_ports_disabed = 0; for (i = 0; i < num_u3p; i++) { + if ((0x1 << i) & ssusb->u3p_dis_msk) { + u3_ports_disabed++; + continue; + } + value = mtu3_readl(ibase, SSUSB_U3_CTRL(i)); value &= ~(SSUSB_U3_PORT_PDN | SSUSB_U3_PORT_DIS); value |= SSUSB_U3_PORT_HOST_SEL; @@ -175,7 +129,7 @@ int ssusb_host_enable(struct ssusb_mtk *ssusb) } check_clk = SSUSB_XHCI_RST_B_STS; - if (num_u3p) + if (num_u3p > u3_ports_disabed) check_clk = SSUSB_U3_MAC_RST_B_STS; return ssusb_check_clocks(ssusb, check_clk); @@ -190,8 +144,11 @@ int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend) int ret; int i; - /* power down and disable all u3 ports */ + /* power down and disable u3 ports except skipped ones */ for (i = 0; i < num_u3p; i++) { + if ((0x1 << i) & ssusb->u3p_dis_msk) + continue; + value = mtu3_readl(ibase, SSUSB_U3_CTRL(i)); value |= SSUSB_U3_PORT_PDN; value |= suspend ? 0 : SSUSB_U3_PORT_DIS; @@ -223,6 +180,8 @@ int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend) static void ssusb_host_setup(struct ssusb_mtk *ssusb) { + struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; + host_ports_num_get(ssusb); /* @@ -231,6 +190,9 @@ static void ssusb_host_setup(struct ssusb_mtk *ssusb) */ ssusb_host_enable(ssusb); + if (otg_sx->manual_drd_enabled) + ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST); + /* if port0 supports dual-role, works as host mode by default */ ssusb_set_vbus(&ssusb->otg_switch, 1); } @@ -276,19 +238,14 @@ void ssusb_host_exit(struct ssusb_mtk *ssusb) int ssusb_wakeup_enable(struct ssusb_mtk *ssusb) { - int ret = 0; - - if (ssusb->wakeup_en) { - ret = ssusb_wakeup_clks_enable(ssusb); + if (ssusb->wakeup_en) ssusb_wakeup_ip_sleep_en(ssusb); - } - return ret; + + return 0; } void ssusb_wakeup_disable(struct ssusb_mtk *ssusb) { - if (ssusb->wakeup_en) { + if (ssusb->wakeup_en) ssusb_wakeup_ip_sleep_dis(ssusb); - ssusb_wakeup_clks_disable(ssusb); - } } diff --git a/drivers/usb/mtu3/mtu3_hw_regs.h b/drivers/usb/mtu3/mtu3_hw_regs.h index 06b29664470f..6ee371478d89 100644 --- a/drivers/usb/mtu3/mtu3_hw_regs.h +++ b/drivers/usb/mtu3/mtu3_hw_regs.h @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_hw_regs.h - MediaTek USB3 DRD register and field definitions * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef _SSUSB_HW_REGS_H_ @@ -58,6 +49,8 @@ #define U3D_QCR1 (SSUSB_DEV_BASE + 0x0404) #define U3D_QCR2 (SSUSB_DEV_BASE + 0x0408) #define U3D_QCR3 (SSUSB_DEV_BASE + 0x040C) +#define U3D_TXQHIAR1 (SSUSB_DEV_BASE + 0x0484) +#define U3D_RXQHIAR1 (SSUSB_DEV_BASE + 0x04C4) #define U3D_TXQCSR1 (SSUSB_DEV_BASE + 0x0510) #define U3D_TXQSAR1 (SSUSB_DEV_BASE + 0x0514) @@ -189,6 +182,13 @@ #define QMU_RX_COZ(x) (BIT(16) << (x)) #define QMU_RX_ZLP(x) (BIT(0) << (x)) +/* U3D_TXQHIAR1 */ +/* U3D_RXQHIAR1 */ +#define QMU_LAST_DONE_PTR_HI(x) (((x) >> 16) & 0xf) +#define QMU_CUR_GPD_ADDR_HI(x) (((x) >> 8) & 0xf) +#define QMU_START_ADDR_HI_MSK GENMASK(3, 0) +#define QMU_START_ADDR_HI(x) (((x) & 0xf) << 0) + /* U3D_TXQCSR1 */ /* U3D_RXQCSR1 */ #define QMU_Q_ACTIVE BIT(15) @@ -225,6 +225,7 @@ #define CAP_TX_EP_NUM(x) ((x) & 0x1f) /* U3D_MISC_CTRL */ +#define DMA_ADDR_36BIT BIT(31) #define VBUS_ON BIT(1) #define VBUS_FRC_EN BIT(0) @@ -457,11 +458,14 @@ #define SSUSB_VBUS_CHG_INT_B_EN BIT(6) /* U3D_SSUSB_U3_CTRL_0P */ +#define SSUSB_U3_PORT_SSP_SPEED BIT(9) #define SSUSB_U3_PORT_HOST_SEL BIT(2) #define SSUSB_U3_PORT_PDN BIT(1) #define SSUSB_U3_PORT_DIS BIT(0) /* U3D_SSUSB_U2_CTRL_0P */ +#define SSUSB_U2_PORT_RG_IDDIG BIT(12) +#define SSUSB_U2_PORT_FORCE_IDDIG BIT(11) #define SSUSB_U2_PORT_VBUSVALID BIT(9) #define SSUSB_U2_PORT_OTG_SEL BIT(7) #define SSUSB_U2_PORT_HOST BIT(2) diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index 088e3e685c4f..3650fd11fc49 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/clk.h> @@ -21,7 +12,6 @@ #include <linux/module.h> #include <linux/of_address.h> #include <linux/of_irq.h> -#include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include "mtu3.h" @@ -110,15 +100,9 @@ static void ssusb_phy_power_off(struct ssusb_mtk *ssusb) phy_power_off(ssusb->phys[i]); } -static int ssusb_rscs_init(struct ssusb_mtk *ssusb) +static int ssusb_clks_enable(struct ssusb_mtk *ssusb) { - int ret = 0; - - ret = regulator_enable(ssusb->vusb33); - if (ret) { - dev_err(ssusb->dev, "failed to enable vusb33\n"); - goto vusb33_err; - } + int ret; ret = clk_prepare_enable(ssusb->sys_clk); if (ret) { @@ -132,6 +116,52 @@ static int ssusb_rscs_init(struct ssusb_mtk *ssusb) goto ref_clk_err; } + ret = clk_prepare_enable(ssusb->mcu_clk); + if (ret) { + dev_err(ssusb->dev, "failed to enable mcu_clk\n"); + goto mcu_clk_err; + } + + ret = clk_prepare_enable(ssusb->dma_clk); + if (ret) { + dev_err(ssusb->dev, "failed to enable dma_clk\n"); + goto dma_clk_err; + } + + return 0; + +dma_clk_err: + clk_disable_unprepare(ssusb->mcu_clk); +mcu_clk_err: + clk_disable_unprepare(ssusb->ref_clk); +ref_clk_err: + clk_disable_unprepare(ssusb->sys_clk); +sys_clk_err: + return ret; +} + +static void ssusb_clks_disable(struct ssusb_mtk *ssusb) +{ + clk_disable_unprepare(ssusb->dma_clk); + clk_disable_unprepare(ssusb->mcu_clk); + clk_disable_unprepare(ssusb->ref_clk); + clk_disable_unprepare(ssusb->sys_clk); +} + +static int ssusb_rscs_init(struct ssusb_mtk *ssusb) +{ + int ret = 0; + + ret = regulator_enable(ssusb->vusb33); + if (ret) { + dev_err(ssusb->dev, "failed to enable vusb33\n"); + goto vusb33_err; + } + + ret = ssusb_clks_enable(ssusb); + if (ret) + goto clks_err; + ret = ssusb_phy_init(ssusb); if (ret) { dev_err(ssusb->dev, "failed to init phy\n"); @@ -149,20 +179,16 @@ static int ssusb_rscs_init(struct ssusb_mtk *ssusb) phy_err: ssusb_phy_exit(ssusb); phy_init_err: - clk_disable_unprepare(ssusb->ref_clk); -ref_clk_err: - clk_disable_unprepare(ssusb->sys_clk); -sys_clk_err: + ssusb_clks_disable(ssusb); +clks_err: regulator_disable(ssusb->vusb33); vusb33_err: - return ret; } static void ssusb_rscs_exit(struct ssusb_mtk *ssusb) { - clk_disable_unprepare(ssusb->sys_clk); - clk_disable_unprepare(ssusb->ref_clk); + ssusb_clks_disable(ssusb); regulator_disable(ssusb->vusb33); ssusb_phy_power_off(ssusb); ssusb_phy_exit(ssusb); @@ -176,31 +202,17 @@ static void ssusb_ip_sw_reset(struct ssusb_mtk *ssusb) mtu3_clrbits(ssusb->ippc_base, U3D_SSUSB_IP_PW_CTRL0, SSUSB_IP_SW_RST); } -static int get_iddig_pinctrl(struct ssusb_mtk *ssusb) +/* ignore the error if the clock does not exist */ +static struct clk *get_optional_clk(struct device *dev, const char *id) { - struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - - otg_sx->id_pinctrl = devm_pinctrl_get(ssusb->dev); - if (IS_ERR(otg_sx->id_pinctrl)) { - dev_err(ssusb->dev, "Cannot find id pinctrl!\n"); - return PTR_ERR(otg_sx->id_pinctrl); - } - - otg_sx->id_float = - pinctrl_lookup_state(otg_sx->id_pinctrl, "id_float"); - if (IS_ERR(otg_sx->id_float)) { - dev_err(ssusb->dev, "Cannot find pinctrl id_float!\n"); - return PTR_ERR(otg_sx->id_float); - } + struct clk *opt_clk; - otg_sx->id_ground = - pinctrl_lookup_state(otg_sx->id_pinctrl, "id_ground"); - if (IS_ERR(otg_sx->id_ground)) { - dev_err(ssusb->dev, "Cannot find pinctrl id_ground!\n"); - return PTR_ERR(otg_sx->id_ground); - } + opt_clk = devm_clk_get(dev, id); + /* ignore error number except EPROBE_DEFER */ + if (IS_ERR(opt_clk) && (PTR_ERR(opt_clk) != -EPROBE_DEFER)) + opt_clk = NULL; - return 0; + return opt_clk; } static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) @@ -225,18 +237,17 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) return PTR_ERR(ssusb->sys_clk); } - /* - * reference clock is usually a "fixed-clock", make it optional - * for backward compatibility and ignore the error if it does - * not exist. - */ - ssusb->ref_clk = devm_clk_get(dev, "ref_ck"); - if (IS_ERR(ssusb->ref_clk)) { - if (PTR_ERR(ssusb->ref_clk) == -EPROBE_DEFER) - return -EPROBE_DEFER; + ssusb->ref_clk = get_optional_clk(dev, "ref_ck"); + if (IS_ERR(ssusb->ref_clk)) + return PTR_ERR(ssusb->ref_clk); - ssusb->ref_clk = NULL; - } + ssusb->mcu_clk = get_optional_clk(dev, "mcu_ck"); + if (IS_ERR(ssusb->mcu_clk)) + return PTR_ERR(ssusb->mcu_clk); + + ssusb->dma_clk = get_optional_clk(dev, "dma_ck"); + if (IS_ERR(ssusb->dma_clk)) + return PTR_ERR(ssusb->dma_clk); ssusb->num_phys = of_count_phandle_with_args(node, "phys", "#phy-cells"); @@ -263,10 +274,8 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) return PTR_ERR(ssusb->ippc_base); ssusb->dr_mode = usb_get_dr_mode(dev); - if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) { - dev_err(dev, "dr_mode is error\n"); - return -EINVAL; - } + if (ssusb->dr_mode == USB_DR_MODE_UNKNOWN) + ssusb->dr_mode = USB_DR_MODE_OTG; if (ssusb->dr_mode == USB_DR_MODE_PERIPHERAL) return 0; @@ -276,10 +285,10 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) if (ret) return ret; - if (ssusb->dr_mode != USB_DR_MODE_OTG) - return 0; + /* optional property, ignore the error if it does not exist */ + of_property_read_u32(node, "mediatek,u3p-dis-msk", + &ssusb->u3p_dis_msk); - /* if dual-role mode is supported */ vbus = devm_regulator_get(&pdev->dev, "vbus"); if (IS_ERR(vbus)) { dev_err(dev, "failed to get vbus\n"); @@ -287,6 +296,10 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) } otg_sx->vbus = vbus; + if (ssusb->dr_mode == USB_DR_MODE_HOST) + return 0; + + /* if dual-role mode is supported */ otg_sx->is_u3_drd = of_property_read_bool(node, "mediatek,usb3-drd"); otg_sx->manual_drd_enabled = of_property_read_bool(node, "enable-manual-drd"); @@ -297,15 +310,11 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) dev_err(ssusb->dev, "couldn't get extcon device\n"); return -EPROBE_DEFER; } - if (otg_sx->manual_drd_enabled) { - ret = get_iddig_pinctrl(ssusb); - if (ret) - return ret; - } } - dev_info(dev, "dr_mode: %d, is_u3_dr: %d\n", - ssusb->dr_mode, otg_sx->is_u3_drd); + dev_info(dev, "dr_mode: %d, is_u3_dr: %d, u3p_dis_msk: %x, drd: %s\n", + ssusb->dr_mode, otg_sx->is_u3_drd, ssusb->u3p_dis_msk, + otg_sx->manual_drd_enabled ? "manual" : "auto"); return 0; } @@ -447,8 +456,7 @@ static int __maybe_unused mtu3_suspend(struct device *dev) ssusb_host_disable(ssusb, true); ssusb_phy_power_off(ssusb); - clk_disable_unprepare(ssusb->sys_clk); - clk_disable_unprepare(ssusb->ref_clk); + ssusb_clks_disable(ssusb); ssusb_wakeup_enable(ssusb); return 0; @@ -466,27 +474,21 @@ static int __maybe_unused mtu3_resume(struct device *dev) return 0; ssusb_wakeup_disable(ssusb); - ret = clk_prepare_enable(ssusb->sys_clk); - if (ret) - goto err_sys_clk; - - ret = clk_prepare_enable(ssusb->ref_clk); + ret = ssusb_clks_enable(ssusb); if (ret) - goto err_ref_clk; + goto clks_err; ret = ssusb_phy_power_on(ssusb); if (ret) - goto err_power_on; + goto phy_err; ssusb_host_enable(ssusb); return 0; -err_power_on: - clk_disable_unprepare(ssusb->ref_clk); -err_ref_clk: - clk_disable_unprepare(ssusb->sys_clk); -err_sys_clk: +phy_err: + ssusb_clks_disable(ssusb); +clks_err: return ret; } diff --git a/drivers/usb/mtu3/mtu3_qmu.c b/drivers/usb/mtu3/mtu3_qmu.c index 7d9ba8a52368..ff62ba232177 100644 --- a/drivers/usb/mtu3/mtu3_qmu.c +++ b/drivers/usb/mtu3/mtu3_qmu.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_qmu.c - Queue Management Unit driver for device controller * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ /* @@ -40,7 +31,58 @@ #define GPD_FLAGS_IOC BIT(7) #define GPD_EXT_FLAG_ZLP BIT(5) +#define GPD_EXT_NGP(x) (((x) & 0xf) << 4) +#define GPD_EXT_BUF(x) (((x) & 0xf) << 0) + +#define HILO_GEN64(hi, lo) (((u64)(hi) << 32) + (lo)) +#define HILO_DMA(hi, lo) \ + ((dma_addr_t)HILO_GEN64((le32_to_cpu(hi)), (le32_to_cpu(lo)))) + +static dma_addr_t read_txq_cur_addr(void __iomem *mbase, u8 epnum) +{ + u32 txcpr; + u32 txhiar; + + txcpr = mtu3_readl(mbase, USB_QMU_TQCPR(epnum)); + txhiar = mtu3_readl(mbase, USB_QMU_TQHIAR(epnum)); + return HILO_DMA(QMU_CUR_GPD_ADDR_HI(txhiar), txcpr); +} + +static dma_addr_t read_rxq_cur_addr(void __iomem *mbase, u8 epnum) +{ + u32 rxcpr; + u32 rxhiar; + + rxcpr = mtu3_readl(mbase, USB_QMU_RQCPR(epnum)); + rxhiar = mtu3_readl(mbase, USB_QMU_RQHIAR(epnum)); + + return HILO_DMA(QMU_CUR_GPD_ADDR_HI(rxhiar), rxcpr); +} + +static void write_txq_start_addr(void __iomem *mbase, u8 epnum, dma_addr_t dma) +{ + u32 tqhiar; + + mtu3_writel(mbase, USB_QMU_TQSAR(epnum), + cpu_to_le32(lower_32_bits(dma))); + tqhiar = mtu3_readl(mbase, USB_QMU_TQHIAR(epnum)); + tqhiar &= ~QMU_START_ADDR_HI_MSK; + tqhiar |= QMU_START_ADDR_HI(upper_32_bits(dma)); + mtu3_writel(mbase, USB_QMU_TQHIAR(epnum), tqhiar); +} + +static void write_rxq_start_addr(void __iomem *mbase, u8 epnum, dma_addr_t dma) +{ + u32 rqhiar; + + mtu3_writel(mbase, USB_QMU_RQSAR(epnum), + cpu_to_le32(lower_32_bits(dma))); + rqhiar = mtu3_readl(mbase, USB_QMU_RQHIAR(epnum)); + rqhiar &= ~QMU_START_ADDR_HI_MSK; + rqhiar |= QMU_START_ADDR_HI(upper_32_bits(dma)); + mtu3_writel(mbase, USB_QMU_RQHIAR(epnum), rqhiar); +} static struct qmu_gpd *gpd_dma_to_virt(struct mtu3_gpd_ring *ring, dma_addr_t dma_addr) @@ -193,21 +235,27 @@ static int mtu3_prepare_tx_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq) struct mtu3_gpd_ring *ring = &mep->gpd_ring; struct qmu_gpd *gpd = ring->enqueue; struct usb_request *req = &mreq->request; + dma_addr_t enq_dma; + u16 ext_addr; /* set all fields to zero as default value */ memset(gpd, 0, sizeof(*gpd)); - gpd->buffer = cpu_to_le32((u32)req->dma); + gpd->buffer = cpu_to_le32(lower_32_bits(req->dma)); + ext_addr = GPD_EXT_BUF(upper_32_bits(req->dma)); gpd->buf_len = cpu_to_le16(req->length); gpd->flag |= GPD_FLAGS_IOC; /* get the next GPD */ enq = advance_enq_gpd(ring); - dev_dbg(mep->mtu->dev, "TX-EP%d queue gpd=%p, enq=%p\n", - mep->epnum, gpd, enq); + enq_dma = gpd_virt_to_dma(ring, enq); + dev_dbg(mep->mtu->dev, "TX-EP%d queue gpd=%p, enq=%p, qdma=%pad\n", + mep->epnum, gpd, enq, &enq_dma); enq->flag &= ~GPD_FLAGS_HWO; - gpd->next_gpd = cpu_to_le32((u32)gpd_virt_to_dma(ring, enq)); + gpd->next_gpd = cpu_to_le32(lower_32_bits(enq_dma)); + ext_addr |= GPD_EXT_NGP(upper_32_bits(enq_dma)); + gpd->tx_ext_addr = cpu_to_le16(ext_addr); if (req->zero) gpd->ext_flag |= GPD_EXT_FLAG_ZLP; @@ -226,21 +274,27 @@ static int mtu3_prepare_rx_gpd(struct mtu3_ep *mep, struct mtu3_request *mreq) struct mtu3_gpd_ring *ring = &mep->gpd_ring; struct qmu_gpd *gpd = ring->enqueue; struct usb_request *req = &mreq->request; + dma_addr_t enq_dma; + u16 ext_addr; /* set all fields to zero as default value */ memset(gpd, 0, sizeof(*gpd)); - gpd->buffer = cpu_to_le32((u32)req->dma); + gpd->buffer = cpu_to_le32(lower_32_bits(req->dma)); + ext_addr = GPD_EXT_BUF(upper_32_bits(req->dma)); gpd->data_buf_len = cpu_to_le16(req->length); gpd->flag |= GPD_FLAGS_IOC; /* get the next GPD */ enq = advance_enq_gpd(ring); - dev_dbg(mep->mtu->dev, "RX-EP%d queue gpd=%p, enq=%p\n", - mep->epnum, gpd, enq); + enq_dma = gpd_virt_to_dma(ring, enq); + dev_dbg(mep->mtu->dev, "RX-EP%d queue gpd=%p, enq=%p, qdma=%pad\n", + mep->epnum, gpd, enq, &enq_dma); enq->flag &= ~GPD_FLAGS_HWO; - gpd->next_gpd = cpu_to_le32((u32)gpd_virt_to_dma(ring, enq)); + gpd->next_gpd = cpu_to_le32(lower_32_bits(enq_dma)); + ext_addr |= GPD_EXT_NGP(upper_32_bits(enq_dma)); + gpd->rx_ext_addr = cpu_to_le16(ext_addr); gpd->chksum = qmu_calc_checksum((u8 *)gpd); gpd->flag |= GPD_FLAGS_HWO; @@ -267,8 +321,8 @@ int mtu3_qmu_start(struct mtu3_ep *mep) if (mep->is_in) { /* set QMU start address */ - mtu3_writel(mbase, USB_QMU_TQSAR(mep->epnum), ring->dma); - mtu3_setbits(mbase, MU3D_EP_TXCR0(mep->epnum), TX_DMAREQEN); + write_txq_start_addr(mbase, epnum, ring->dma); + mtu3_setbits(mbase, MU3D_EP_TXCR0(epnum), TX_DMAREQEN); mtu3_setbits(mbase, U3D_QCR0, QMU_TX_CS_EN(epnum)); /* send zero length packet according to ZLP flag in GPD */ mtu3_setbits(mbase, U3D_QCR1, QMU_TX_ZLP(epnum)); @@ -282,8 +336,8 @@ int mtu3_qmu_start(struct mtu3_ep *mep) mtu3_writel(mbase, USB_QMU_TQCSR(epnum), QMU_Q_START); } else { - mtu3_writel(mbase, USB_QMU_RQSAR(mep->epnum), ring->dma); - mtu3_setbits(mbase, MU3D_EP_RXCR0(mep->epnum), RX_DMAREQEN); + write_rxq_start_addr(mbase, epnum, ring->dma); + mtu3_setbits(mbase, MU3D_EP_RXCR0(epnum), RX_DMAREQEN); mtu3_setbits(mbase, U3D_QCR0, QMU_RX_CS_EN(epnum)); /* don't expect ZLP */ mtu3_clrbits(mbase, U3D_QCR3, QMU_RX_ZLP(epnum)); @@ -353,9 +407,9 @@ static void qmu_tx_zlp_error_handler(struct mtu3 *mtu, u8 epnum) struct mtu3_gpd_ring *ring = &mep->gpd_ring; void __iomem *mbase = mtu->mac_base; struct qmu_gpd *gpd_current = NULL; - dma_addr_t gpd_dma = mtu3_readl(mbase, USB_QMU_TQCPR(epnum)); struct usb_request *req = NULL; struct mtu3_request *mreq; + dma_addr_t cur_gpd_dma; u32 txcsr = 0; int ret; @@ -365,7 +419,8 @@ static void qmu_tx_zlp_error_handler(struct mtu3 *mtu, u8 epnum) else return; - gpd_current = gpd_dma_to_virt(ring, gpd_dma); + cur_gpd_dma = read_txq_cur_addr(mbase, epnum); + gpd_current = gpd_dma_to_virt(ring, cur_gpd_dma); if (le16_to_cpu(gpd_current->buf_len) != 0) { dev_err(mtu->dev, "TX EP%d buffer length error(!=0)\n", epnum); @@ -408,12 +463,13 @@ static void qmu_done_tx(struct mtu3 *mtu, u8 epnum) void __iomem *mbase = mtu->mac_base; struct qmu_gpd *gpd = ring->dequeue; struct qmu_gpd *gpd_current = NULL; - dma_addr_t gpd_dma = mtu3_readl(mbase, USB_QMU_TQCPR(epnum)); struct usb_request *request = NULL; struct mtu3_request *mreq; + dma_addr_t cur_gpd_dma; /*transfer phy address got from QMU register to virtual address */ - gpd_current = gpd_dma_to_virt(ring, gpd_dma); + cur_gpd_dma = read_txq_cur_addr(mbase, epnum); + gpd_current = gpd_dma_to_virt(ring, cur_gpd_dma); dev_dbg(mtu->dev, "%s EP%d, last=%p, current=%p, enq=%p\n", __func__, epnum, gpd, gpd_current, ring->enqueue); @@ -446,11 +502,12 @@ static void qmu_done_rx(struct mtu3 *mtu, u8 epnum) void __iomem *mbase = mtu->mac_base; struct qmu_gpd *gpd = ring->dequeue; struct qmu_gpd *gpd_current = NULL; - dma_addr_t gpd_dma = mtu3_readl(mbase, USB_QMU_RQCPR(epnum)); struct usb_request *req = NULL; struct mtu3_request *mreq; + dma_addr_t cur_gpd_dma; - gpd_current = gpd_dma_to_virt(ring, gpd_dma); + cur_gpd_dma = read_rxq_cur_addr(mbase, epnum); + gpd_current = gpd_dma_to_virt(ring, cur_gpd_dma); dev_dbg(mtu->dev, "%s EP%d, last=%p, current=%p, enq=%p\n", __func__, epnum, gpd, gpd_current, ring->enqueue); diff --git a/drivers/usb/mtu3/mtu3_qmu.h b/drivers/usb/mtu3/mtu3_qmu.h index 4dafa16bf120..81f5151a55ed 100644 --- a/drivers/usb/mtu3/mtu3_qmu.h +++ b/drivers/usb/mtu3/mtu3_qmu.h @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mtu3_qmu.h - Queue Management Unit driver header * * Copyright (C) 2016 MediaTek Inc. * * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __MTK_QMU_H__ diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index 02fbb4fe3745..0ad664efda6b 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Texas Instruments AM35x "glue layer" @@ -8,23 +9,6 @@ * Copyright (c) 2008-2009, MontaVista Software, Inc. <source@mvista.com> * * This file is part of the Inventra Controller Driver for Linux. - * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. - * - * The Inventra Controller Driver for Linux is distributed in - * the hope that it will be useful, but WITHOUT ANY WARRANTY; - * without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public - * License for more details. - * - * You should have received a copy of the GNU General Public License - * along with The Inventra Controller Driver for Linux ; if not, - * write to the Free Software Foundation, Inc., 59 Temple Place, - * Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> @@ -133,11 +117,9 @@ static void am35x_musb_set_vbus(struct musb *musb, int is_on) #define POLL_SECONDS 2 -static struct timer_list otg_workaround; - -static void otg_timer(unsigned long _musb) +static void otg_timer(struct timer_list *t) { - struct musb *musb = (void *)_musb; + struct musb *musb = from_timer(musb, t, dev_timer); void __iomem *mregs = musb->mregs; u8 devctl; unsigned long flags; @@ -173,7 +155,7 @@ static void otg_timer(unsigned long _musb) case OTG_STATE_B_IDLE: devctl = musb_readb(mregs, MUSB_DEVCTL); if (devctl & MUSB_DEVCTL_BDEVICE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); else musb->xceiv->otg->state = OTG_STATE_A_IDLE; break; @@ -195,12 +177,12 @@ static void am35x_musb_try_idle(struct musb *musb, unsigned long timeout) musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON)) { dev_dbg(musb->controller, "%s active, deleting timer\n", usb_otg_state_string(musb->xceiv->otg->state)); - del_timer(&otg_workaround); + del_timer(&musb->dev_timer); last_timer = jiffies; return; } - if (time_after(last_timer, timeout) && timer_pending(&otg_workaround)) { + if (time_after(last_timer, timeout) && timer_pending(&musb->dev_timer)) { dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); return; } @@ -209,7 +191,7 @@ static void am35x_musb_try_idle(struct musb *musb, unsigned long timeout) dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", usb_otg_state_string(musb->xceiv->otg->state), jiffies_to_msecs(timeout - jiffies)); - mod_timer(&otg_workaround, timeout); + mod_timer(&musb->dev_timer, timeout); } static irqreturn_t am35x_musb_interrupt(int irq, void *hci) @@ -278,14 +260,14 @@ static irqreturn_t am35x_musb_interrupt(int irq, void *hci) */ musb->int_usb &= ~MUSB_INTR_VBUSERROR; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL; - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); WARNING("VBUS error workaround (delay coming)\n"); } else if (drvvbus) { MUSB_HST_MODE(musb); otg->default_a = 1; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); - del_timer(&otg_workaround); + del_timer(&musb->dev_timer); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); @@ -324,7 +306,7 @@ eoi: /* Poll for ID change */ if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); spin_unlock_irqrestore(&musb->lock, flags); @@ -365,7 +347,7 @@ static int am35x_musb_init(struct musb *musb) if (IS_ERR_OR_NULL(musb->xceiv)) return -EPROBE_DEFER; - setup_timer(&otg_workaround, otg_timer, (unsigned long) musb); + timer_setup(&musb->dev_timer, otg_timer, 0); /* Reset the musb */ if (data->reset) @@ -395,7 +377,7 @@ static int am35x_musb_exit(struct musb *musb) struct musb_hdrc_platform_data *plat = dev_get_platdata(dev); struct omap_musb_board_data *data = plat->board_data; - del_timer_sync(&otg_workaround); + del_timer_sync(&musb->dev_timer); /* Shutdown the on-chip PHY and its PLL. */ if (data->set_phy_power) diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index 4418574a36a1..0a98dcd66d19 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * MUSB OTG controller driver for Blackfin Processors * * Copyright 2006-2008 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ #include <linux/module.h> @@ -223,7 +222,7 @@ static irqreturn_t blackfin_interrupt(int irq, void *__hci) if ((musb->xceiv->otg->state == OTG_STATE_B_IDLE || musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON) || (musb->int_usb & MUSB_INTR_DISCONNECT && is_host_active(musb))) { - mod_timer(&musb_conn_timer, jiffies + TIMER_DELAY); + mod_timer(&musb->dev_timer, jiffies + TIMER_DELAY); musb->a_wait_bcon = TIMER_DELAY; } @@ -232,9 +231,9 @@ static irqreturn_t blackfin_interrupt(int irq, void *__hci) return retval; } -static void musb_conn_timer_handler(unsigned long _musb) +static void musb_conn_timer_handler(struct timer_list *t) { - struct musb *musb = (void *)_musb; + struct musb *musb = from_timer(musb, t, dev_timer); unsigned long flags; u16 val; static u8 toggle; @@ -266,7 +265,7 @@ static void musb_conn_timer_handler(unsigned long _musb) musb_writeb(musb->mregs, MUSB_INTRUSB, val); musb->xceiv->otg->state = OTG_STATE_B_IDLE; } - mod_timer(&musb_conn_timer, jiffies + TIMER_DELAY); + mod_timer(&musb->dev_timer, jiffies + TIMER_DELAY); break; case OTG_STATE_B_IDLE: /* @@ -310,7 +309,7 @@ static void musb_conn_timer_handler(unsigned long _musb) * shortening it, if accelerating A-plug detection * is needed in OTG mode. */ - mod_timer(&musb_conn_timer, jiffies + TIMER_DELAY / 4); + mod_timer(&musb->dev_timer, jiffies + TIMER_DELAY / 4); } break; default: @@ -445,8 +444,7 @@ static int bfin_musb_init(struct musb *musb) bfin_musb_reg_init(musb); - setup_timer(&musb_conn_timer, musb_conn_timer_handler, - (unsigned long) musb); + timer_setup(&musb->dev_timer, musb_conn_timer_handler, 0); musb->xceiv->set_power = bfin_musb_set_power; diff --git a/drivers/usb/musb/blackfin.h b/drivers/usb/musb/blackfin.h index c84dae546dc6..5b149915b0f8 100644 --- a/drivers/usb/musb/blackfin.h +++ b/drivers/usb/musb/blackfin.h @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2007 by Analog Devices, Inc. - * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. */ #ifndef __MUSB_BLACKFIN_H__ @@ -82,6 +78,4 @@ static void dump_fifo_data(u8 *buf, u16 len) /* Almost 1 second */ #define TIMER_DELAY (1 * HZ) -static struct timer_list musb_conn_timer; - #endif /* __MUSB_BLACKFIN_H__ */ diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index a13bd3625043..b4d6d9bb3239 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005-2006 by Texas Instruments * diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index df88123274ca..0397606a211b 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Texas Instruments DA8xx/OMAP-L1x "glue layer" * @@ -10,23 +11,6 @@ * Copyright (c) 2016 Petr Kulhavy <petr@barix.com> * * This file is part of the Inventra Controller Driver for Linux. - * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. - * - * The Inventra Controller Driver for Linux is distributed in - * the hope that it will be useful, but WITHOUT ANY WARRANTY; - * without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public - * License for more details. - * - * You should have received a copy of the GNU General Public License - * along with The Inventra Controller Driver for Linux ; if not, - * write to the Free Software Foundation, Inc., 59 Temple Place, - * Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> @@ -50,10 +34,7 @@ #define DA8XX_USB_CTRL_REG 0x04 #define DA8XX_USB_STAT_REG 0x08 #define DA8XX_USB_EMULATION_REG 0x0c -#define DA8XX_USB_MODE_REG 0x10 /* Transparent, CDC, [Generic] RNDIS */ -#define DA8XX_USB_AUTOREQ_REG 0x14 #define DA8XX_USB_SRP_FIX_TIME_REG 0x18 -#define DA8XX_USB_TEARDOWN_REG 0x1c #define DA8XX_USB_INTR_SRC_REG 0x20 #define DA8XX_USB_INTR_SRC_SET_REG 0x24 #define DA8XX_USB_INTR_SRC_CLEAR_REG 0x28 @@ -138,11 +119,9 @@ static void da8xx_musb_set_vbus(struct musb *musb, int is_on) #define POLL_SECONDS 2 -static struct timer_list otg_workaround; - -static void otg_timer(unsigned long _musb) +static void otg_timer(struct timer_list *t) { - struct musb *musb = (void *)_musb; + struct musb *musb = from_timer(musb, t, dev_timer); void __iomem *mregs = musb->mregs; u8 devctl; unsigned long flags; @@ -178,7 +157,7 @@ static void otg_timer(unsigned long _musb) * VBUSERR got reported during enumeration" cases. */ if (devctl & MUSB_DEVCTL_VBUS) { - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); break; } musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; @@ -201,7 +180,7 @@ static void otg_timer(unsigned long _musb) musb_writeb(mregs, MUSB_DEVCTL, devctl | MUSB_DEVCTL_SESSION); devctl = musb_readb(mregs, MUSB_DEVCTL); if (devctl & MUSB_DEVCTL_BDEVICE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); else musb->xceiv->otg->state = OTG_STATE_A_IDLE; break; @@ -223,12 +202,12 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout) musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON)) { dev_dbg(musb->controller, "%s active, deleting timer\n", usb_otg_state_string(musb->xceiv->otg->state)); - del_timer(&otg_workaround); + del_timer(&musb->dev_timer); last_timer = jiffies; return; } - if (time_after(last_timer, timeout) && timer_pending(&otg_workaround)) { + if (time_after(last_timer, timeout) && timer_pending(&musb->dev_timer)) { dev_dbg(musb->controller, "Longer idle timer already pending, ignoring...\n"); return; } @@ -237,7 +216,7 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout) dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n", usb_otg_state_string(musb->xceiv->otg->state), jiffies_to_msecs(timeout - jiffies)); - mod_timer(&otg_workaround, timeout); + mod_timer(&musb->dev_timer, timeout); } static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) @@ -297,14 +276,14 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) */ musb->int_usb &= ~MUSB_INTR_VBUSERROR; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL; - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); WARNING("VBUS error workaround (delay coming)\n"); } else if (drvvbus) { MUSB_HST_MODE(musb); otg->default_a = 1; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); - del_timer(&otg_workaround); + del_timer(&musb->dev_timer); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); @@ -331,7 +310,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) /* Poll for ID change */ if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); spin_unlock_irqrestore(&musb->lock, flags); @@ -393,7 +372,7 @@ static int da8xx_musb_init(struct musb *musb) goto fail; } - setup_timer(&otg_workaround, otg_timer, (unsigned long)musb); + timer_setup(&musb->dev_timer, otg_timer, 0); /* Reset the controller */ musb_writel(reg_base, DA8XX_USB_CTRL_REG, DA8XX_SOFT_RESET_MASK); @@ -431,7 +410,7 @@ static int da8xx_musb_exit(struct musb *musb) { struct da8xx_glue *glue = dev_get_drvdata(musb->controller->parent); - del_timer_sync(&otg_workaround); + del_timer_sync(&musb->dev_timer); phy_power_off(glue->phy); phy_exit(glue->phy); diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 52b491d3d5d8..2ad39dcd2f4c 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -1,24 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005-2006 by Texas Instruments * * This file is part of the Inventra Controller Driver for Linux. - * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. - * - * The Inventra Controller Driver for Linux is distributed in - * the hope that it will be useful, but WITHOUT ANY WARRANTY; - * without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public - * License for more details. - * - * You should have received a copy of the GNU General Public License - * along with The Inventra Controller Driver for Linux ; if not, - * write to the Free Software Foundation, Inc., 59 Temple Place, - * Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> @@ -199,11 +183,9 @@ static void davinci_musb_set_vbus(struct musb *musb, int is_on) #define POLL_SECONDS 2 -static struct timer_list otg_workaround; - -static void otg_timer(unsigned long _musb) +static void otg_timer(struct timer_list *t) { - struct musb *musb = (void *)_musb; + struct musb *musb = from_timer(musb, t, dev_timer); void __iomem *mregs = musb->mregs; u8 devctl; unsigned long flags; @@ -224,7 +206,7 @@ static void otg_timer(unsigned long _musb) * VBUSERR got reported during enumeration" cases. */ if (devctl & MUSB_DEVCTL_VBUS) { - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); break; } musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; @@ -248,7 +230,7 @@ static void otg_timer(unsigned long _musb) devctl | MUSB_DEVCTL_SESSION); devctl = musb_readb(mregs, MUSB_DEVCTL); if (devctl & MUSB_DEVCTL_BDEVICE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); else musb->xceiv->otg->state = OTG_STATE_A_IDLE; break; @@ -325,14 +307,14 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) */ musb->int_usb &= ~MUSB_INTR_VBUSERROR; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL; - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); WARNING("VBUS error workaround (delay coming)\n"); } else if (drvvbus) { MUSB_HST_MODE(musb); otg->default_a = 1; musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); - del_timer(&otg_workaround); + del_timer(&musb->dev_timer); } else { musb->is_active = 0; MUSB_DEV_MODE(musb); @@ -361,7 +343,7 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci) /* poll for ID change */ if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) - mod_timer(&otg_workaround, jiffies + POLL_SECONDS * HZ); + mod_timer(&musb->dev_timer, jiffies + POLL_SECONDS * HZ); spin_unlock_irqrestore(&musb->lock, flags); @@ -393,7 +375,7 @@ static int davinci_musb_init(struct musb *musb) if (revision == 0) goto fail; - setup_timer(&otg_workaround, otg_timer, (unsigned long) musb); + timer_setup(&musb->dev_timer, otg_timer, 0); davinci_musb_source_power(musb, 0, 1); @@ -443,7 +425,7 @@ unregister: static int davinci_musb_exit(struct musb *musb) { - del_timer_sync(&otg_workaround); + del_timer_sync(&musb->dev_timer); /* force VBUS off */ if (cpu_is_davinci_dm355()) { diff --git a/drivers/usb/musb/davinci.h b/drivers/usb/musb/davinci.h index 371baa0ee509..e021485c83ae 100644 --- a/drivers/usb/musb/davinci.h +++ b/drivers/usb/musb/davinci.h @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005-2006 by Texas Instruments - * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. */ #ifndef __MUSB_HDRDF_H__ diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c index 40c68c23d553..04d8b2bc205a 100644 --- a/drivers/usb/musb/jz4740.c +++ b/drivers/usb/musb/jz4740.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Ingenic JZ4740 "glue layer" * * Copyright (C) 2013, Apelete Seketeli <apelete@seketeli.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/clk.h> diff --git a/drivers/usb/musb/musb_am335x.c b/drivers/usb/musb/musb_am335x.c index 1e58ed2361cc..5f04f8e3a640 100644 --- a/drivers/usb/musb/musb_am335x.c +++ b/drivers/usb/musb/musb_am335x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/module.h> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index ff5a1a8989d5..ea5013aa69e2 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver core code * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ /* @@ -485,9 +460,9 @@ void musb_load_testpacket(struct musb *musb) /* * Handles OTG hnp timeouts, such as b_ase0_brst */ -static void musb_otg_timer_func(unsigned long data) +static void musb_otg_timer_func(struct timer_list *t) { - struct musb *musb = (struct musb *)data; + struct musb *musb = from_timer(musb, t, otg_timer); unsigned long flags; spin_lock_irqsave(&musb->lock, flags); @@ -767,6 +742,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, case OTG_STATE_B_IDLE: if (!musb->is_active) break; + /* fall through */ case OTG_STATE_B_PERIPHERAL: musb_g_suspend(musb); musb->is_active = musb->g.b_hnp_enable; @@ -2330,7 +2306,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) if (status < 0) goto fail3; - setup_timer(&musb->otg_timer, musb_otg_timer_func, (unsigned long) musb); + timer_setup(&musb->otg_timer, musb_otg_timer_func, 0); /* attach to the IRQ */ if (request_irq(nIrq, musb->isr, IRQF_SHARED, dev_name(dev), musb)) { diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 20f4614178d9..385841ee6f46 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver defines * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef __MUSB_CORE_H__ @@ -345,6 +320,7 @@ struct musb { struct list_head pending_list; /* pending work list */ struct timer_list otg_timer; + struct timer_list dev_timer; struct notifier_block nb; struct dma_controller *dma_controller; diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 1ec0a4947b6b..d0dd4f470bbe 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> diff --git a/drivers/usb/musb/musb_debug.h b/drivers/usb/musb/musb_debug.h index 9a78877a8afe..5e0f079dde21 100644 --- a/drivers/usb/musb/musb_debug.h +++ b/drivers/usb/musb/musb_debug.h @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver debug defines * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef __MUSB_LINUX_DEBUG_H__ diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c index 952733ceaac8..7cf5a1bbdaff 100644 --- a/drivers/usb/musb/musb_debugfs.c +++ b/drivers/usb/musb/musb_debugfs.c @@ -1,34 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver debugfs support * * Copyright 2010 Nokia Corporation * Contact: Felipe Balbi <felipe.balbi@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include <linux/module.h> diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h index 04c3bd86bd62..a4241f4d430e 100644 --- a/drivers/usb/musb/musb_dma.h +++ b/drivers/usb/musb/musb_dma.h @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver DMA controller abstraction * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef __MUSB_DMA_H__ diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index f6b526606ad1..05a679d5e3a2 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Texas Instruments DSPS platforms "glue layer" * @@ -7,22 +8,6 @@ * * This file is part of the Inventra Controller Driver for Linux. * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. - * - * The Inventra Controller Driver for Linux is distributed in - * the hope that it will be useful, but WITHOUT ANY WARRANTY; - * without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public - * License for more details. - * - * You should have received a copy of the GNU General Public License - * along with The Inventra Controller Driver for Linux ; if not, - * write to the Free Software Foundation, Inc., 59 Temple Place, - * Suite 330, Boston, MA 02111-1307 USA - * * musb_dsps.c will be a common file for all the TI DSPS platforms * such as dm64x, dm36x, dm35x, da8x, am35x and ti81x. * For now only ti81x is using this and in future davinci.c, am35x.c @@ -119,7 +104,6 @@ struct dsps_glue { struct platform_device *musb; /* child musb pdev */ const struct dsps_musb_wrapper *wrp; /* wrapper register offsets */ int vbus_irq; /* optional vbus irq */ - struct timer_list timer; /* otg_workaround timer */ unsigned long last_timer; /* last timer data for each instance */ bool sw_babble_enabled; void __iomem *usbss_base; @@ -149,6 +133,7 @@ static const struct debugfs_reg32 dsps_musb_regs[] = { static void dsps_mod_timer(struct dsps_glue *glue, int wait_ms) { + struct musb *musb = platform_get_drvdata(glue->musb); int wait; if (wait_ms < 0) @@ -156,7 +141,7 @@ static void dsps_mod_timer(struct dsps_glue *glue, int wait_ms) else wait = msecs_to_jiffies(wait_ms); - mod_timer(&glue->timer, jiffies + wait); + mod_timer(&musb->dev_timer, jiffies + wait); } /* @@ -216,7 +201,7 @@ static void dsps_musb_disable(struct musb *musb) musb_writel(reg_base, wrp->coreintr_clear, wrp->usb_bitmap); musb_writel(reg_base, wrp->epintr_clear, wrp->txep_bitmap | wrp->rxep_bitmap); - del_timer_sync(&glue->timer); + del_timer_sync(&musb->dev_timer); } /* Caller must take musb->lock */ @@ -230,7 +215,7 @@ static int dsps_check_status(struct musb *musb, void *unused) int skip_session = 0; if (glue->vbus_irq) - del_timer(&glue->timer); + del_timer(&musb->dev_timer); /* * We poll because DSPS IP's won't expose several OTG-critical @@ -282,9 +267,9 @@ static int dsps_check_status(struct musb *musb, void *unused) return 0; } -static void otg_timer(unsigned long _musb) +static void otg_timer(struct timer_list *t) { - struct musb *musb = (void *)_musb; + struct musb *musb = from_timer(musb, t, dev_timer); struct device *dev = musb->controller; unsigned long flags; int err; @@ -480,7 +465,7 @@ static int dsps_musb_init(struct musb *musb) } } - setup_timer(&glue->timer, otg_timer, (unsigned long) musb); + timer_setup(&musb->dev_timer, otg_timer, 0); /* Reset the musb */ musb_writel(reg_base, wrp->control, (1 << wrp->reset)); @@ -515,7 +500,7 @@ static int dsps_musb_exit(struct musb *musb) struct device *dev = musb->controller; struct dsps_glue *glue = dev_get_drvdata(dev->parent); - del_timer_sync(&glue->timer); + del_timer_sync(&musb->dev_timer); usb_phy_shutdown(musb->xceiv); phy_power_off(musb->phy); phy_exit(musb->phy); @@ -1027,7 +1012,7 @@ static int dsps_suspend(struct device *dev) return ret; } - del_timer_sync(&glue->timer); + del_timer_sync(&musb->dev_timer); mbase = musb->ctrl_base; glue->context.control = musb_readl(mbase, wrp->control); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index bc6d1717c9ec..293e5b8da565 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver peripheral support * @@ -5,32 +6,6 @@ * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation * Copyright (C) 2009 MontaVista Software, Inc. <source@mvista.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include <linux/kernel.h> diff --git a/drivers/usb/musb/musb_gadget.h b/drivers/usb/musb/musb_gadget.h index 0314dfc770c7..9c34aca06db6 100644 --- a/drivers/usb/musb/musb_gadget.h +++ b/drivers/usb/musb/musb_gadget.h @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver peripheral defines * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef __MUSB_GADGET_H diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index 844a309fe895..18da4873e52e 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG peripheral driver ep0 handling * @@ -5,32 +6,6 @@ * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation * Copyright (C) 2008-2009 MontaVista Software, Inc. <source@mvista.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include <linux/kernel.h> diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index b17450a59882..2627363fb4fe 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver host support * @@ -5,32 +6,6 @@ * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation * Copyright (C) 2008-2009 MontaVista Software, Inc. <source@mvista.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include <linux/module.h> diff --git a/drivers/usb/musb/musb_host.h b/drivers/usb/musb/musb_host.h index 7bbf01bf4bb0..72392bbcd0a4 100644 --- a/drivers/usb/musb/musb_host.h +++ b/drivers/usb/musb/musb_host.h @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver host defines * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef _MUSB_HOST_H diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h index 17a80ae20674..b7025b2e6e00 100644 --- a/drivers/usb/musb/musb_io.h +++ b/drivers/usb/musb/musb_io.h @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver register I/O * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__ diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h index cff5bcf0d00f..a4beba184798 100644 --- a/drivers/usb/musb/musb_regs.h +++ b/drivers/usb/musb/musb_regs.h @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver register defines * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef __MUSB_REGS_H__ diff --git a/drivers/usb/musb/musb_trace.c b/drivers/usb/musb/musb_trace.c index 70973d901a21..476872adce80 100644 --- a/drivers/usb/musb/musb_trace.c +++ b/drivers/usb/musb/musb_trace.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * musb_trace.c - MUSB Controller Trace Support * * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com * * Author: Bin Liu <b-liu@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #define CREATE_TRACE_POINTS diff --git a/drivers/usb/musb/musb_trace.h b/drivers/usb/musb/musb_trace.h index f031c9e74322..a97d618fe8ff 100644 --- a/drivers/usb/musb/musb_trace.h +++ b/drivers/usb/musb/musb_trace.h @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * musb_trace.h - MUSB Controller Trace Support * * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com * * Author: Bin Liu <b-liu@ti.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 of - * the License as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #undef TRACE_SYSTEM diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 0b4595439d51..5165d2b07ade 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -1,35 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver virtual root hub support * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2006 by Texas Instruments * Copyright (C) 2006-2007 Nokia Corporation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include <linux/module.h> diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index 3620073da58c..21fb9e6622f3 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -1,34 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver - support for Mentor's DMA controller * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2007 by Texas Instruments - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include <linux/device.h> #include <linux/interrupt.h> diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h index a3dcbd55e436..44f7983df0a1 100644 --- a/drivers/usb/musb/musbhsdma.h +++ b/drivers/usb/musb/musbhsdma.h @@ -1,34 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MUSB OTG driver - support for Mentor's DMA controller * * Copyright 2005 Mentor Graphics Corporation * Copyright (C) 2005-2007 by Texas Instruments - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #ifndef CONFIG_BLACKFIN diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 456f3e6ecf03..5d705930ef47 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005-2007 by Texas Instruments * Some code has been taken from tusb6010.c @@ -6,23 +7,6 @@ * Tony Lindgren <tony@atomide.com> * * This file is part of the Inventra Controller Driver for Linux. - * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. - * - * The Inventra Controller Driver for Linux is distributed in - * the hope that it will be useful, but WITHOUT ANY WARRANTY; - * without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public - * License for more details. - * - * You should have received a copy of the GNU General Public License - * along with The Inventra Controller Driver for Linux ; if not, - * write to the Free Software Foundation, Inc., 59 Temple Place, - * Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/usb/musb/omap2430.h b/drivers/usb/musb/omap2430.h index 1b5e83a9840e..859008fa0e3c 100644 --- a/drivers/usb/musb/omap2430.h +++ b/drivers/usb/musb/omap2430.h @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005-2006 by Texas Instruments - * - * The Inventra Controller Driver for Linux is free software; you - * can redistribute it and/or modify it under the terms of the GNU - * General Public License version 2 as published by the Free Software - * Foundation. */ #ifndef __MUSB_OMAP243X_H__ diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c index dc353e24d53c..2d201219ecff 100644 --- a/drivers/usb/musb/sunxi.c +++ b/drivers/usb/musb/sunxi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Allwinner sun4i MUSB Glue Layer * @@ -5,16 +6,6 @@ * * Based on code from * Allwinner Technology Co., Ltd. <www.allwinnertech.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/clk.h> diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 4eb640c54f2c..39453287b5c3 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * TUSB6010 USB 2.0 OTG Dual Role controller * * Copyright (C) 2006 Nokia Corporation * Tony Lindgren <tony@atomide.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Notes: * - Driver assumes that interface to external host (main CPU) is * configured for NOR FLASH interface instead of VLYNQ serial @@ -452,11 +449,9 @@ static int tusb_musb_vbus_status(struct musb *musb) return ret; } -static struct timer_list musb_idle_timer; - -static void musb_do_idle(unsigned long _musb) +static void musb_do_idle(struct timer_list *t) { - struct musb *musb = (void *)_musb; + struct musb *musb = from_timer(musb, t, dev_timer); unsigned long flags; spin_lock_irqsave(&musb->lock, flags); @@ -523,13 +518,13 @@ static void tusb_musb_try_idle(struct musb *musb, unsigned long timeout) && (musb->xceiv->otg->state == OTG_STATE_A_WAIT_BCON))) { dev_dbg(musb->controller, "%s active, deleting timer\n", usb_otg_state_string(musb->xceiv->otg->state)); - del_timer(&musb_idle_timer); + del_timer(&musb->dev_timer); last_timer = jiffies; return; } if (time_after(last_timer, timeout)) { - if (!timer_pending(&musb_idle_timer)) + if (!timer_pending(&musb->dev_timer)) last_timer = timeout; else { dev_dbg(musb->controller, "Longer idle timer already pending, ignoring\n"); @@ -541,7 +536,7 @@ static void tusb_musb_try_idle(struct musb *musb, unsigned long timeout) dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n", usb_otg_state_string(musb->xceiv->otg->state), (unsigned long)jiffies_to_msecs(timeout - jiffies)); - mod_timer(&musb_idle_timer, timeout); + mod_timer(&musb->dev_timer, timeout); } /* ticks of 60 MHz clock */ @@ -873,7 +868,7 @@ static irqreturn_t tusb_musb_interrupt(int irq, void *__hci) } if (int_src & TUSB_INT_SRC_USB_IP_CONN) - del_timer(&musb_idle_timer); + del_timer(&musb->dev_timer); /* OTG state change reports (annoyingly) not issued by Mentor core */ if (int_src & (TUSB_INT_SRC_VBUS_SENSE_CHNG @@ -982,7 +977,7 @@ static void tusb_musb_disable(struct musb *musb) musb_writel(tbase, TUSB_DMA_INT_MASK, 0x7fffffff); musb_writel(tbase, TUSB_GPIO_INT_MASK, 0x1ff); - del_timer(&musb_idle_timer); + del_timer(&musb->dev_timer); if (is_dma_capable() && !dma_off) { printk(KERN_WARNING "%s %s: dma still active\n", @@ -1142,7 +1137,7 @@ static int tusb_musb_init(struct musb *musb) musb->xceiv->set_power = tusb_draw_power; the_musb = musb; - setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb); + timer_setup(&musb->dev_timer, musb_do_idle, 0); done: if (ret < 0) { @@ -1156,7 +1151,7 @@ done: static int tusb_musb_exit(struct musb *musb) { - del_timer_sync(&musb_idle_timer); + del_timer_sync(&musb->dev_timer); the_musb = NULL; if (musb->board_set_power) diff --git a/drivers/usb/musb/tusb6010.h b/drivers/usb/musb/tusb6010.h index 72cdad23ced9..fd8025bbece7 100644 --- a/drivers/usb/musb/tusb6010.h +++ b/drivers/usb/musb/tusb6010.h @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Definitions for TUSB6010 USB 2.0 OTG Dual Role controller * * Copyright (C) 2006 Nokia Corporation * Tony Lindgren <tony@atomide.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef __TUSB6010_H__ diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c index e8060e49b0f4..60a93b8bbe3c 100644 --- a/drivers/usb/musb/tusb6010_omap.c +++ b/drivers/usb/musb/tusb6010_omap.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * TUSB6010 USB 2.0 OTG Dual Role controller OMAP DMA interface * * Copyright (C) 2006 Nokia Corporation * Tony Lindgren <tony@atomide.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index 5a572500c418..27b4a77a9e23 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2010 ST-Ericsson AB * Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> * * Based on omap2430.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index c92a295049ad..d19bb3e89da6 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * drivers/usb/musb/ux500_dma.c * @@ -9,19 +10,6 @@ * Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> * Praveena Nadahally <praveen.nadahally@stericsson.com> * Rajaram Regupathy <ragupathy.rajaram@stericsson.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/device.h> diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index aff702c0eb9f..0f8ab981d572 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -137,35 +137,6 @@ config USB_ISP1301 To compile this driver as a module, choose M here: the module will be called phy-isp1301. -config USB_MSM_OTG - tristate "Qualcomm on-chip USB OTG controller support" - depends on (USB || USB_GADGET) && (ARCH_QCOM || COMPILE_TEST) - depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't be 'y' - depends on RESET_CONTROLLER - select USB_PHY - help - Enable this to support the USB OTG transceiver on Qualcomm chips. It - handles PHY initialization, clock management, and workarounds - required after resetting the hardware and power management. - This driver is required even for peripheral only or host only - mode configurations. - This driver is not supported on boards like trout which - has an external PHY. - -config USB_QCOM_8X16_PHY - tristate "Qualcomm APQ8016/MSM8916 on-chip USB PHY controller support" - depends on ARCH_QCOM || COMPILE_TEST - depends on RESET_CONTROLLER - select USB_PHY - select USB_ULPI_VIEWPORT - help - Enable this to support the USB transceiver on Qualcomm 8x16 chipsets. - It handles PHY initialization, clock management, power management, - and workarounds required after resetting the hardware. - - To compile this driver as a module, choose M here: the - module will be called phy-qcom-8x16-usb. - config USB_MV_OTG tristate "Marvell USB OTG support" depends on USB_EHCI_MV && USB_MV_UDC && PM && USB_OTG diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile index 0c40ccc90631..25e579fb92b8 100644 --- a/drivers/usb/phy/Makefile +++ b/drivers/usb/phy/Makefile @@ -19,8 +19,6 @@ obj-$(CONFIG_TWL6030_USB) += phy-twl6030-usb.o obj-$(CONFIG_USB_EHCI_TEGRA) += phy-tegra-usb.o obj-$(CONFIG_USB_GPIO_VBUS) += phy-gpio-vbus-usb.o obj-$(CONFIG_USB_ISP1301) += phy-isp1301.o -obj-$(CONFIG_USB_MSM_OTG) += phy-msm-usb.o -obj-$(CONFIG_USB_QCOM_8X16_PHY) += phy-qcom-8x16-usb.o obj-$(CONFIG_USB_MV_OTG) += phy-mv-usb.o obj-$(CONFIG_USB_MXS_PHY) += phy-mxs-usb.o obj-$(CONFIG_USB_ULPI) += phy-ulpi.o diff --git a/drivers/usb/phy/of.c b/drivers/usb/phy/of.c index 66ffa82457a8..1ab134f45d67 100644 --- a/drivers/usb/phy/of.c +++ b/drivers/usb/phy/of.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB of helper code - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c index 61bf2285d5b1..87295313a10c 100644 --- a/drivers/usb/phy/phy-ab8500-usb.c +++ b/drivers/usb/phy/phy-ab8500-usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB transceiver driver for AB8500 family chips * @@ -5,21 +6,6 @@ * Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com> * Avinash Kumar <avinash.kumar@stericsson.com> * Thirupathi Chippakurthy <thirupathi.chippakurthy@stericsson.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #include <linux/module.h> diff --git a/drivers/usb/phy/phy-am335x-control.c b/drivers/usb/phy/phy-am335x-control.c index 5f5f19813fde..a3cb25cb74f8 100644 --- a/drivers/usb/phy/phy-am335x-control.c +++ b/drivers/usb/phy/phy-am335x-control.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include <linux/platform_device.h> #include <linux/err.h> diff --git a/drivers/usb/phy/phy-am335x.c b/drivers/usb/phy/phy-am335x.c index 7e5aece769da..b36fa8b953d0 100644 --- a/drivers/usb/phy/phy-am335x.c +++ b/drivers/usb/phy/phy-am335x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> diff --git a/drivers/usb/phy/phy-fsl-usb.c b/drivers/usb/phy/phy-fsl-usb.c index cf8f40ae6e01..900875f326d7 100644 --- a/drivers/usb/phy/phy-fsl-usb.c +++ b/drivers/usb/phy/phy-fsl-usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2007,2008 Freescale semiconductor, Inc. * @@ -5,20 +6,6 @@ * Jerry Huang <Chang-Ming.Huang@freescale.com> * * Initialization based on code from Shlomi Gridish. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/usb/phy/phy-fsl-usb.h b/drivers/usb/phy/phy-fsl-usb.h index 23149954a09c..43d410f6641b 100644 --- a/drivers/usb/phy/phy-fsl-usb.h +++ b/drivers/usb/phy/phy-fsl-usb.h @@ -1,19 +1,5 @@ -/* Copyright (C) 2007,2008 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ +// SPDX-License-Identifier: GPL-2.0+ +/* Copyright (C) 2007,2008 Freescale Semiconductor, Inc. */ #include <linux/usb/otg-fsm.h> #include <linux/usb/otg.h> diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index 89d6e7a5fdb7..74ba88297991 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * NOP USB transceiver for all USB transceiver which are either built-in * into USB IP or which are mostly autonomous. @@ -5,20 +6,6 @@ * Copyright (C) 2009 Texas Instruments Inc * Author: Ajay Kumar Gupta <ajay.gupta@ti.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * * Current status: * This provides a "nop" transceiver for PHYs which are * autonomous such as isp1504, isp1707, etc. @@ -224,7 +211,7 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, int err = 0; u32 clk_rate = 0; - bool needs_vcc = false; + bool needs_vcc = false, needs_clk = false; if (dev->of_node) { struct device_node *node = dev->of_node; @@ -233,6 +220,7 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, clk_rate = 0; needs_vcc = of_property_read_bool(node, "vcc-supply"); + needs_clk = of_property_read_bool(node, "clocks"); nop->gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS); err = PTR_ERR_OR_ZERO(nop->gpiod_reset); @@ -275,6 +263,8 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop, if (IS_ERR(nop->clk)) { dev_dbg(dev, "Can't get phy clock: %ld\n", PTR_ERR(nop->clk)); + if (needs_clk) + return PTR_ERR(nop->clk); } if (!IS_ERR(nop->clk) && clk_rate) { diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index f66120db8a41..553e2573c74f 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * gpio-vbus.c - simple GPIO VBUS sensing driver for B peripheral devices * * Copyright (c) 2008 Philipp Zabel <philipp.zabel@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/usb/phy/phy-isp1301-omap.c b/drivers/usb/phy/phy-isp1301-omap.c index c6052c814bcc..7041ba030052 100644 --- a/drivers/usb/phy/phy-isp1301-omap.c +++ b/drivers/usb/phy/phy-isp1301-omap.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * isp1301_omap - ISP 1301 USB transceiver, talking to OMAP OTG controller * * Copyright (C) 2004 Texas Instruments * Copyright (C) 2004 David Brownell - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> @@ -1183,9 +1170,11 @@ static irqreturn_t isp1301_irq(int irq, void *isp) return IRQ_HANDLED; } -static void isp1301_timer(unsigned long _isp) +static void isp1301_timer(struct timer_list *t) { - isp1301_defer_work((void *)_isp, WORK_TIMER); + struct isp1301 *isp = from_timer(isp, t, timer); + + isp1301_defer_work(isp, WORK_TIMER); } /*-------------------------------------------------------------------------*/ @@ -1222,7 +1211,6 @@ static int isp1301_remove(struct i2c_client *i2c) if (machine_is_omap_h2()) gpio_free(2); - isp->timer.data = 0; set_bit(WORK_STOP, &isp->todo); del_timer_sync(&isp->timer); flush_work(&isp->work); @@ -1507,9 +1495,7 @@ isp1301_probe(struct i2c_client *i2c, const struct i2c_device_id *id) } INIT_WORK(&isp->work, isp1301_work); - init_timer(&isp->timer); - isp->timer.function = isp1301_timer; - isp->timer.data = (unsigned long) isp; + timer_setup(&isp->timer, isp1301_timer, 0); i2c_set_clientdata(i2c, isp); isp->client = i2c; diff --git a/drivers/usb/phy/phy-isp1301.c b/drivers/usb/phy/phy-isp1301.c index f333024660b4..93b7d6a30aad 100644 --- a/drivers/usb/phy/phy-isp1301.c +++ b/drivers/usb/phy/phy-isp1301.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * NXP ISP1301 USB transceiver driver * * Copyright (C) 2012 Roland Stigge * * Author: Roland Stigge <stigge@antcom.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/usb/phy/phy-keystone.c b/drivers/usb/phy/phy-keystone.c index 01d4e4cdbc79..19871266312d 100644 --- a/drivers/usb/phy/phy-keystone.c +++ b/drivers/usb/phy/phy-keystone.c @@ -1,19 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * phy-keystone - USB PHY, talking to dwc3 controller in Keystone. * * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. * * Author: WingMan Kwok <w-kwok2@ti.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/module.h> diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c deleted file mode 100644 index 3d0dd2f97415..000000000000 --- a/drivers/usb/phy/phy-msm-usb.c +++ /dev/null @@ -1,2085 +0,0 @@ -/* Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - */ - -#include <linux/module.h> -#include <linux/device.h> -#include <linux/extcon.h> -#include <linux/gpio/consumer.h> -#include <linux/platform_device.h> -#include <linux/clk.h> -#include <linux/slab.h> -#include <linux/interrupt.h> -#include <linux/err.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/ioport.h> -#include <linux/uaccess.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/pm_runtime.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/reboot.h> -#include <linux/reset.h> -#include <linux/types.h> -#include <linux/usb/otg.h> - -#include <linux/usb.h> -#include <linux/usb/otg.h> -#include <linux/usb/of.h> -#include <linux/usb/ulpi.h> -#include <linux/usb/gadget.h> -#include <linux/usb/hcd.h> -#include <linux/usb/msm_hsusb_hw.h> -#include <linux/regulator/consumer.h> - -/** - * OTG control - * - * OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host - * only configuration. - * OTG_PHY_CONTROL Id/VBUS notifications comes form USB PHY. - * OTG_PMIC_CONTROL Id/VBUS notifications comes from PMIC hardware. - * OTG_USER_CONTROL Id/VBUS notifcations comes from User via sysfs. - * - */ -enum otg_control_type { - OTG_NO_CONTROL = 0, - OTG_PHY_CONTROL, - OTG_PMIC_CONTROL, - OTG_USER_CONTROL, -}; - -/** - * PHY used in - * - * INVALID_PHY Unsupported PHY - * CI_45NM_INTEGRATED_PHY Chipidea 45nm integrated PHY - * SNPS_28NM_INTEGRATED_PHY Synopsis 28nm integrated PHY - * - */ -enum msm_usb_phy_type { - INVALID_PHY = 0, - CI_45NM_INTEGRATED_PHY, - SNPS_28NM_INTEGRATED_PHY, -}; - -#define IDEV_CHG_MAX 1500 -#define IUNIT 100 - -/** - * Different states involved in USB charger detection. - * - * USB_CHG_STATE_UNDEFINED USB charger is not connected or detection - * process is not yet started. - * USB_CHG_STATE_WAIT_FOR_DCD Waiting for Data pins contact. - * USB_CHG_STATE_DCD_DONE Data pin contact is detected. - * USB_CHG_STATE_PRIMARY_DONE Primary detection is completed (Detects - * between SDP and DCP/CDP). - * USB_CHG_STATE_SECONDARY_DONE Secondary detection is completed (Detects - * between DCP and CDP). - * USB_CHG_STATE_DETECTED USB charger type is determined. - * - */ -enum usb_chg_state { - USB_CHG_STATE_UNDEFINED = 0, - USB_CHG_STATE_WAIT_FOR_DCD, - USB_CHG_STATE_DCD_DONE, - USB_CHG_STATE_PRIMARY_DONE, - USB_CHG_STATE_SECONDARY_DONE, - USB_CHG_STATE_DETECTED, -}; - -/** - * USB charger types - * - * USB_INVALID_CHARGER Invalid USB charger. - * USB_SDP_CHARGER Standard downstream port. Refers to a downstream port - * on USB2.0 compliant host/hub. - * USB_DCP_CHARGER Dedicated charger port (AC charger/ Wall charger). - * USB_CDP_CHARGER Charging downstream port. Enumeration can happen and - * IDEV_CHG_MAX can be drawn irrespective of USB state. - * - */ -enum usb_chg_type { - USB_INVALID_CHARGER = 0, - USB_SDP_CHARGER, - USB_DCP_CHARGER, - USB_CDP_CHARGER, -}; - -/** - * struct msm_otg_platform_data - platform device data - * for msm_otg driver. - * @phy_init_seq: PHY configuration sequence values. Value of -1 is reserved as - * "do not overwrite default vaule at this address". - * @phy_init_sz: PHY configuration sequence size. - * @vbus_power: VBUS power on/off routine. - * @power_budget: VBUS power budget in mA (0 will be treated as 500mA). - * @mode: Supported mode (OTG/peripheral/host). - * @otg_control: OTG switch controlled by user/Id pin - */ -struct msm_otg_platform_data { - int *phy_init_seq; - int phy_init_sz; - void (*vbus_power)(bool on); - unsigned power_budget; - enum usb_dr_mode mode; - enum otg_control_type otg_control; - enum msm_usb_phy_type phy_type; - void (*setup_gpio)(enum usb_otg_state state); -}; - -/** - * struct msm_otg: OTG driver data. Shared by HCD and DCD. - * @otg: USB OTG Transceiver structure. - * @pdata: otg device platform data. - * @irq: IRQ number assigned for HSUSB controller. - * @clk: clock struct of usb_hs_clk. - * @pclk: clock struct of usb_hs_pclk. - * @core_clk: clock struct of usb_hs_core_clk. - * @regs: ioremapped register base address. - * @inputs: OTG state machine inputs(Id, SessValid etc). - * @sm_work: OTG state machine work. - * @in_lpm: indicates low power mode (LPM) state. - * @async_int: Async interrupt arrived. - * @cur_power: The amount of mA available from downstream port. - * @chg_work: Charger detection work. - * @chg_state: The state of charger detection process. - * @chg_type: The type of charger attached. - * @dcd_retires: The retry count used to track Data contact - * detection process. - * @manual_pullup: true if VBUS is not routed to USB controller/phy - * and controller driver therefore enables pull-up explicitly before - * starting controller using usbcmd run/stop bit. - * @vbus: VBUS signal state trakining, using extcon framework - * @id: ID signal state trakining, using extcon framework - * @switch_gpio: Descriptor for GPIO used to control external Dual - * SPDT USB Switch. - * @reboot: Used to inform the driver to route USB D+/D- line to Device - * connector - */ -struct msm_otg { - struct usb_phy phy; - struct msm_otg_platform_data *pdata; - int irq; - struct clk *clk; - struct clk *pclk; - struct clk *core_clk; - void __iomem *regs; -#define ID 0 -#define B_SESS_VLD 1 - unsigned long inputs; - struct work_struct sm_work; - atomic_t in_lpm; - int async_int; - unsigned cur_power; - int phy_number; - struct delayed_work chg_work; - enum usb_chg_state chg_state; - enum usb_chg_type chg_type; - u8 dcd_retries; - struct regulator *v3p3; - struct regulator *v1p8; - struct regulator *vddcx; - struct regulator_bulk_data supplies[3]; - - struct reset_control *phy_rst; - struct reset_control *link_rst; - int vdd_levels[3]; - - bool manual_pullup; - - struct gpio_desc *switch_gpio; - struct notifier_block reboot; -}; - -#define MSM_USB_BASE (motg->regs) -#define DRIVER_NAME "msm_otg" - -#define ULPI_IO_TIMEOUT_USEC (10 * 1000) -#define LINK_RESET_TIMEOUT_USEC (250 * 1000) - -#define USB_PHY_3P3_VOL_MIN 3050000 /* uV */ -#define USB_PHY_3P3_VOL_MAX 3300000 /* uV */ -#define USB_PHY_3P3_HPM_LOAD 50000 /* uA */ -#define USB_PHY_3P3_LPM_LOAD 4000 /* uA */ - -#define USB_PHY_1P8_VOL_MIN 1800000 /* uV */ -#define USB_PHY_1P8_VOL_MAX 1800000 /* uV */ -#define USB_PHY_1P8_HPM_LOAD 50000 /* uA */ -#define USB_PHY_1P8_LPM_LOAD 4000 /* uA */ - -#define USB_PHY_VDD_DIG_VOL_MIN 1000000 /* uV */ -#define USB_PHY_VDD_DIG_VOL_MAX 1320000 /* uV */ -#define USB_PHY_SUSP_DIG_VOL 500000 /* uV */ - -enum vdd_levels { - VDD_LEVEL_NONE = 0, - VDD_LEVEL_MIN, - VDD_LEVEL_MAX, -}; - -static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init) -{ - int ret = 0; - - if (init) { - ret = regulator_set_voltage(motg->vddcx, - motg->vdd_levels[VDD_LEVEL_MIN], - motg->vdd_levels[VDD_LEVEL_MAX]); - if (ret) { - dev_err(motg->phy.dev, "Cannot set vddcx voltage\n"); - return ret; - } - - ret = regulator_enable(motg->vddcx); - if (ret) - dev_err(motg->phy.dev, "unable to enable hsusb vddcx\n"); - } else { - ret = regulator_set_voltage(motg->vddcx, 0, - motg->vdd_levels[VDD_LEVEL_MAX]); - if (ret) - dev_err(motg->phy.dev, "Cannot set vddcx voltage\n"); - ret = regulator_disable(motg->vddcx); - if (ret) - dev_err(motg->phy.dev, "unable to disable hsusb vddcx\n"); - } - - return ret; -} - -static int msm_hsusb_ldo_init(struct msm_otg *motg, int init) -{ - int rc = 0; - - if (init) { - rc = regulator_set_voltage(motg->v3p3, USB_PHY_3P3_VOL_MIN, - USB_PHY_3P3_VOL_MAX); - if (rc) { - dev_err(motg->phy.dev, "Cannot set v3p3 voltage\n"); - goto exit; - } - rc = regulator_enable(motg->v3p3); - if (rc) { - dev_err(motg->phy.dev, "unable to enable the hsusb 3p3\n"); - goto exit; - } - rc = regulator_set_voltage(motg->v1p8, USB_PHY_1P8_VOL_MIN, - USB_PHY_1P8_VOL_MAX); - if (rc) { - dev_err(motg->phy.dev, "Cannot set v1p8 voltage\n"); - goto disable_3p3; - } - rc = regulator_enable(motg->v1p8); - if (rc) { - dev_err(motg->phy.dev, "unable to enable the hsusb 1p8\n"); - goto disable_3p3; - } - - return 0; - } - - regulator_disable(motg->v1p8); -disable_3p3: - regulator_disable(motg->v3p3); -exit: - return rc; -} - -static int msm_hsusb_ldo_set_mode(struct msm_otg *motg, int on) -{ - int ret = 0; - - if (on) { - ret = regulator_set_load(motg->v1p8, USB_PHY_1P8_HPM_LOAD); - if (ret < 0) { - pr_err("Could not set HPM for v1p8\n"); - return ret; - } - ret = regulator_set_load(motg->v3p3, USB_PHY_3P3_HPM_LOAD); - if (ret < 0) { - pr_err("Could not set HPM for v3p3\n"); - regulator_set_load(motg->v1p8, USB_PHY_1P8_LPM_LOAD); - return ret; - } - } else { - ret = regulator_set_load(motg->v1p8, USB_PHY_1P8_LPM_LOAD); - if (ret < 0) - pr_err("Could not set LPM for v1p8\n"); - ret = regulator_set_load(motg->v3p3, USB_PHY_3P3_LPM_LOAD); - if (ret < 0) - pr_err("Could not set LPM for v3p3\n"); - } - - pr_debug("reg (%s)\n", on ? "HPM" : "LPM"); - return ret < 0 ? ret : 0; -} - -static int ulpi_read(struct usb_phy *phy, u32 reg) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - int cnt = 0; - - /* initiate read operation */ - writel(ULPI_RUN | ULPI_READ | ULPI_ADDR(reg), - USB_ULPI_VIEWPORT); - - /* wait for completion */ - while (cnt < ULPI_IO_TIMEOUT_USEC) { - if (!(readl(USB_ULPI_VIEWPORT) & ULPI_RUN)) - break; - udelay(1); - cnt++; - } - - if (cnt >= ULPI_IO_TIMEOUT_USEC) { - dev_err(phy->dev, "ulpi_read: timeout %08x\n", - readl(USB_ULPI_VIEWPORT)); - return -ETIMEDOUT; - } - return ULPI_DATA_READ(readl(USB_ULPI_VIEWPORT)); -} - -static int ulpi_write(struct usb_phy *phy, u32 val, u32 reg) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - int cnt = 0; - - /* initiate write operation */ - writel(ULPI_RUN | ULPI_WRITE | - ULPI_ADDR(reg) | ULPI_DATA(val), - USB_ULPI_VIEWPORT); - - /* wait for completion */ - while (cnt < ULPI_IO_TIMEOUT_USEC) { - if (!(readl(USB_ULPI_VIEWPORT) & ULPI_RUN)) - break; - udelay(1); - cnt++; - } - - if (cnt >= ULPI_IO_TIMEOUT_USEC) { - dev_err(phy->dev, "ulpi_write: timeout\n"); - return -ETIMEDOUT; - } - return 0; -} - -static struct usb_phy_io_ops msm_otg_io_ops = { - .read = ulpi_read, - .write = ulpi_write, -}; - -static void ulpi_init(struct msm_otg *motg) -{ - struct msm_otg_platform_data *pdata = motg->pdata; - int *seq = pdata->phy_init_seq, idx; - u32 addr = ULPI_EXT_VENDOR_SPECIFIC; - - for (idx = 0; idx < pdata->phy_init_sz; idx++) { - if (seq[idx] == -1) - continue; - - dev_vdbg(motg->phy.dev, "ulpi: write 0x%02x to 0x%02x\n", - seq[idx], addr + idx); - ulpi_write(&motg->phy, seq[idx], addr + idx); - } -} - -static int msm_phy_notify_disconnect(struct usb_phy *phy, - enum usb_device_speed speed) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - int val; - - if (motg->manual_pullup) { - val = ULPI_MISC_A_VBUSVLDEXT | ULPI_MISC_A_VBUSVLDEXTSEL; - usb_phy_io_write(phy, val, ULPI_CLR(ULPI_MISC_A)); - } - - /* - * Put the transceiver in non-driving mode. Otherwise host - * may not detect soft-disconnection. - */ - val = ulpi_read(phy, ULPI_FUNC_CTRL); - val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - ulpi_write(phy, val, ULPI_FUNC_CTRL); - - return 0; -} - -static int msm_otg_link_clk_reset(struct msm_otg *motg, bool assert) -{ - int ret; - - if (assert) - ret = reset_control_assert(motg->link_rst); - else - ret = reset_control_deassert(motg->link_rst); - - if (ret) - dev_err(motg->phy.dev, "usb link clk reset %s failed\n", - assert ? "assert" : "deassert"); - - return ret; -} - -static int msm_otg_phy_clk_reset(struct msm_otg *motg) -{ - int ret = 0; - - if (motg->phy_rst) - ret = reset_control_reset(motg->phy_rst); - - if (ret) - dev_err(motg->phy.dev, "usb phy clk reset failed\n"); - - return ret; -} - -static int msm_link_reset(struct msm_otg *motg) -{ - u32 val; - int ret; - - ret = msm_otg_link_clk_reset(motg, 1); - if (ret) - return ret; - - /* wait for 1ms delay as suggested in HPG. */ - usleep_range(1000, 1200); - - ret = msm_otg_link_clk_reset(motg, 0); - if (ret) - return ret; - - if (motg->phy_number) - writel(readl(USB_PHY_CTRL2) | BIT(16), USB_PHY_CTRL2); - - /* put transceiver in serial mode as part of reset */ - val = readl(USB_PORTSC) & ~PORTSC_PTS_MASK; - writel(val | PORTSC_PTS_SERIAL, USB_PORTSC); - - return 0; -} - -static int msm_otg_reset(struct usb_phy *phy) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - int cnt = 0; - - writel(USBCMD_RESET, USB_USBCMD); - while (cnt < LINK_RESET_TIMEOUT_USEC) { - if (!(readl(USB_USBCMD) & USBCMD_RESET)) - break; - udelay(1); - cnt++; - } - if (cnt >= LINK_RESET_TIMEOUT_USEC) - return -ETIMEDOUT; - - /* select ULPI phy and clear other status/control bits in PORTSC */ - writel(PORTSC_PTS_ULPI, USB_PORTSC); - - writel(0x0, USB_AHBBURST); - writel(0x08, USB_AHBMODE); - - if (motg->phy_number) - writel(readl(USB_PHY_CTRL2) | BIT(16), USB_PHY_CTRL2); - return 0; -} - -static void msm_phy_reset(struct msm_otg *motg) -{ - void __iomem *addr; - - if (motg->pdata->phy_type != SNPS_28NM_INTEGRATED_PHY) { - msm_otg_phy_clk_reset(motg); - return; - } - - addr = USB_PHY_CTRL; - if (motg->phy_number) - addr = USB_PHY_CTRL2; - - /* Assert USB PHY_POR */ - writel(readl(addr) | PHY_POR_ASSERT, addr); - - /* - * wait for minimum 10 microseconds as suggested in HPG. - * Use a slightly larger value since the exact value didn't - * work 100% of the time. - */ - udelay(12); - - /* Deassert USB PHY_POR */ - writel(readl(addr) & ~PHY_POR_ASSERT, addr); -} - -static int msm_usb_reset(struct usb_phy *phy) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - int ret; - - if (!IS_ERR(motg->core_clk)) - clk_prepare_enable(motg->core_clk); - - ret = msm_link_reset(motg); - if (ret) { - dev_err(phy->dev, "phy_reset failed\n"); - return ret; - } - - ret = msm_otg_reset(&motg->phy); - if (ret) { - dev_err(phy->dev, "link reset failed\n"); - return ret; - } - - msleep(100); - - /* Reset USB PHY after performing USB Link RESET */ - msm_phy_reset(motg); - - if (!IS_ERR(motg->core_clk)) - clk_disable_unprepare(motg->core_clk); - - return 0; -} - -static int msm_phy_init(struct usb_phy *phy) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - struct msm_otg_platform_data *pdata = motg->pdata; - u32 val, ulpi_val = 0; - - /* Program USB PHY Override registers. */ - ulpi_init(motg); - - /* - * It is recommended in HPG to reset USB PHY after programming - * USB PHY Override registers. - */ - msm_phy_reset(motg); - - if (pdata->otg_control == OTG_PHY_CONTROL) { - val = readl(USB_OTGSC); - if (pdata->mode == USB_DR_MODE_OTG) { - ulpi_val = ULPI_INT_IDGRD | ULPI_INT_SESS_VALID; - val |= OTGSC_IDIE | OTGSC_BSVIE; - } else if (pdata->mode == USB_DR_MODE_PERIPHERAL) { - ulpi_val = ULPI_INT_SESS_VALID; - val |= OTGSC_BSVIE; - } - writel(val, USB_OTGSC); - ulpi_write(phy, ulpi_val, ULPI_USB_INT_EN_RISE); - ulpi_write(phy, ulpi_val, ULPI_USB_INT_EN_FALL); - } - - if (motg->manual_pullup) { - val = ULPI_MISC_A_VBUSVLDEXTSEL | ULPI_MISC_A_VBUSVLDEXT; - ulpi_write(phy, val, ULPI_SET(ULPI_MISC_A)); - - val = readl(USB_GENCONFIG_2); - val |= GENCONFIG_2_SESS_VLD_CTRL_EN; - writel(val, USB_GENCONFIG_2); - - val = readl(USB_USBCMD); - val |= USBCMD_SESS_VLD_CTRL; - writel(val, USB_USBCMD); - - val = ulpi_read(phy, ULPI_FUNC_CTRL); - val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - val |= ULPI_FUNC_CTRL_OPMODE_NORMAL; - ulpi_write(phy, val, ULPI_FUNC_CTRL); - } - - if (motg->phy_number) - writel(readl(USB_PHY_CTRL2) | BIT(16), USB_PHY_CTRL2); - - return 0; -} - -#define PHY_SUSPEND_TIMEOUT_USEC (500 * 1000) -#define PHY_RESUME_TIMEOUT_USEC (100 * 1000) - -#ifdef CONFIG_PM - -static int msm_hsusb_config_vddcx(struct msm_otg *motg, int high) -{ - int max_vol = motg->vdd_levels[VDD_LEVEL_MAX]; - int min_vol; - int ret; - - if (high) - min_vol = motg->vdd_levels[VDD_LEVEL_MIN]; - else - min_vol = motg->vdd_levels[VDD_LEVEL_NONE]; - - ret = regulator_set_voltage(motg->vddcx, min_vol, max_vol); - if (ret) { - pr_err("Cannot set vddcx voltage\n"); - return ret; - } - - pr_debug("%s: min_vol:%d max_vol:%d\n", __func__, min_vol, max_vol); - - return ret; -} - -static int msm_otg_suspend(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - struct usb_bus *bus = phy->otg->host; - struct msm_otg_platform_data *pdata = motg->pdata; - void __iomem *addr; - int cnt = 0; - - if (atomic_read(&motg->in_lpm)) - return 0; - - disable_irq(motg->irq); - /* - * Chipidea 45-nm PHY suspend sequence: - * - * Interrupt Latch Register auto-clear feature is not present - * in all PHY versions. Latch register is clear on read type. - * Clear latch register to avoid spurious wakeup from - * low power mode (LPM). - * - * PHY comparators are disabled when PHY enters into low power - * mode (LPM). Keep PHY comparators ON in LPM only when we expect - * VBUS/Id notifications from USB PHY. Otherwise turn off USB - * PHY comparators. This save significant amount of power. - * - * PLL is not turned off when PHY enters into low power mode (LPM). - * Disable PLL for maximum power savings. - */ - - if (motg->pdata->phy_type == CI_45NM_INTEGRATED_PHY) { - ulpi_read(phy, 0x14); - if (pdata->otg_control == OTG_PHY_CONTROL) - ulpi_write(phy, 0x01, 0x30); - ulpi_write(phy, 0x08, 0x09); - } - - /* - * PHY may take some time or even fail to enter into low power - * mode (LPM). Hence poll for 500 msec and reset the PHY and link - * in failure case. - */ - writel(readl(USB_PORTSC) | PORTSC_PHCD, USB_PORTSC); - while (cnt < PHY_SUSPEND_TIMEOUT_USEC) { - if (readl(USB_PORTSC) & PORTSC_PHCD) - break; - udelay(1); - cnt++; - } - - if (cnt >= PHY_SUSPEND_TIMEOUT_USEC) { - dev_err(phy->dev, "Unable to suspend PHY\n"); - msm_otg_reset(phy); - enable_irq(motg->irq); - return -ETIMEDOUT; - } - - /* - * PHY has capability to generate interrupt asynchronously in low - * power mode (LPM). This interrupt is level triggered. So USB IRQ - * line must be disabled till async interrupt enable bit is cleared - * in USBCMD register. Assert STP (ULPI interface STOP signal) to - * block data communication from PHY. - */ - writel(readl(USB_USBCMD) | ASYNC_INTR_CTRL | ULPI_STP_CTRL, USB_USBCMD); - - addr = USB_PHY_CTRL; - if (motg->phy_number) - addr = USB_PHY_CTRL2; - - if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY && - motg->pdata->otg_control == OTG_PMIC_CONTROL) - writel(readl(addr) | PHY_RETEN, addr); - - clk_disable_unprepare(motg->pclk); - clk_disable_unprepare(motg->clk); - if (!IS_ERR(motg->core_clk)) - clk_disable_unprepare(motg->core_clk); - - if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY && - motg->pdata->otg_control == OTG_PMIC_CONTROL) { - msm_hsusb_ldo_set_mode(motg, 0); - msm_hsusb_config_vddcx(motg, 0); - } - - if (device_may_wakeup(phy->dev)) - enable_irq_wake(motg->irq); - if (bus) - clear_bit(HCD_FLAG_HW_ACCESSIBLE, &(bus_to_hcd(bus))->flags); - - atomic_set(&motg->in_lpm, 1); - enable_irq(motg->irq); - - dev_info(phy->dev, "USB in low power mode\n"); - - return 0; -} - -static int msm_otg_resume(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - struct usb_bus *bus = phy->otg->host; - void __iomem *addr; - int cnt = 0; - unsigned temp; - - if (!atomic_read(&motg->in_lpm)) - return 0; - - clk_prepare_enable(motg->pclk); - clk_prepare_enable(motg->clk); - if (!IS_ERR(motg->core_clk)) - clk_prepare_enable(motg->core_clk); - - if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY && - motg->pdata->otg_control == OTG_PMIC_CONTROL) { - - addr = USB_PHY_CTRL; - if (motg->phy_number) - addr = USB_PHY_CTRL2; - - msm_hsusb_ldo_set_mode(motg, 1); - msm_hsusb_config_vddcx(motg, 1); - writel(readl(addr) & ~PHY_RETEN, addr); - } - - temp = readl(USB_USBCMD); - temp &= ~ASYNC_INTR_CTRL; - temp &= ~ULPI_STP_CTRL; - writel(temp, USB_USBCMD); - - /* - * PHY comes out of low power mode (LPM) in case of wakeup - * from asynchronous interrupt. - */ - if (!(readl(USB_PORTSC) & PORTSC_PHCD)) - goto skip_phy_resume; - - writel(readl(USB_PORTSC) & ~PORTSC_PHCD, USB_PORTSC); - while (cnt < PHY_RESUME_TIMEOUT_USEC) { - if (!(readl(USB_PORTSC) & PORTSC_PHCD)) - break; - udelay(1); - cnt++; - } - - if (cnt >= PHY_RESUME_TIMEOUT_USEC) { - /* - * This is a fatal error. Reset the link and - * PHY. USB state can not be restored. Re-insertion - * of USB cable is the only way to get USB working. - */ - dev_err(phy->dev, "Unable to resume USB. Re-plugin the cable\n"); - msm_otg_reset(phy); - } - -skip_phy_resume: - if (device_may_wakeup(phy->dev)) - disable_irq_wake(motg->irq); - if (bus) - set_bit(HCD_FLAG_HW_ACCESSIBLE, &(bus_to_hcd(bus))->flags); - - atomic_set(&motg->in_lpm, 0); - - if (motg->async_int) { - motg->async_int = 0; - pm_runtime_put(phy->dev); - enable_irq(motg->irq); - } - - dev_info(phy->dev, "USB exited from low power mode\n"); - - return 0; -} -#endif - -static void msm_otg_notify_charger(struct msm_otg *motg, unsigned mA) -{ - if (motg->cur_power == mA) - return; - - /* TODO: Notify PMIC about available current */ - dev_info(motg->phy.dev, "Avail curr from USB = %u\n", mA); - motg->cur_power = mA; -} - -static void msm_otg_start_host(struct usb_phy *phy, int on) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - struct msm_otg_platform_data *pdata = motg->pdata; - struct usb_hcd *hcd; - - if (!phy->otg->host) - return; - - hcd = bus_to_hcd(phy->otg->host); - - if (on) { - dev_dbg(phy->dev, "host on\n"); - - if (pdata->vbus_power) - pdata->vbus_power(1); - /* - * Some boards have a switch cotrolled by gpio - * to enable/disable internal HUB. Enable internal - * HUB before kicking the host. - */ - if (pdata->setup_gpio) - pdata->setup_gpio(OTG_STATE_A_HOST); -#ifdef CONFIG_USB - usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); - device_wakeup_enable(hcd->self.controller); -#endif - } else { - dev_dbg(phy->dev, "host off\n"); - -#ifdef CONFIG_USB - usb_remove_hcd(hcd); -#endif - if (pdata->setup_gpio) - pdata->setup_gpio(OTG_STATE_UNDEFINED); - if (pdata->vbus_power) - pdata->vbus_power(0); - } -} - -static int msm_otg_set_host(struct usb_otg *otg, struct usb_bus *host) -{ - struct msm_otg *motg = container_of(otg->usb_phy, struct msm_otg, phy); - struct usb_hcd *hcd; - - /* - * Fail host registration if this board can support - * only peripheral configuration. - */ - if (motg->pdata->mode == USB_DR_MODE_PERIPHERAL) { - dev_info(otg->usb_phy->dev, "Host mode is not supported\n"); - return -ENODEV; - } - - if (!host) { - if (otg->state == OTG_STATE_A_HOST) { - pm_runtime_get_sync(otg->usb_phy->dev); - msm_otg_start_host(otg->usb_phy, 0); - otg->host = NULL; - otg->state = OTG_STATE_UNDEFINED; - schedule_work(&motg->sm_work); - } else { - otg->host = NULL; - } - - return 0; - } - - hcd = bus_to_hcd(host); - hcd->power_budget = motg->pdata->power_budget; - - otg->host = host; - dev_dbg(otg->usb_phy->dev, "host driver registered w/ tranceiver\n"); - - pm_runtime_get_sync(otg->usb_phy->dev); - schedule_work(&motg->sm_work); - - return 0; -} - -static void msm_otg_start_peripheral(struct usb_phy *phy, int on) -{ - struct msm_otg *motg = container_of(phy, struct msm_otg, phy); - struct msm_otg_platform_data *pdata = motg->pdata; - - if (!phy->otg->gadget) - return; - - if (on) { - dev_dbg(phy->dev, "gadget on\n"); - /* - * Some boards have a switch cotrolled by gpio - * to enable/disable internal HUB. Disable internal - * HUB before kicking the gadget. - */ - if (pdata->setup_gpio) - pdata->setup_gpio(OTG_STATE_B_PERIPHERAL); - usb_gadget_vbus_connect(phy->otg->gadget); - } else { - dev_dbg(phy->dev, "gadget off\n"); - usb_gadget_vbus_disconnect(phy->otg->gadget); - if (pdata->setup_gpio) - pdata->setup_gpio(OTG_STATE_UNDEFINED); - } - -} - -static int msm_otg_set_peripheral(struct usb_otg *otg, - struct usb_gadget *gadget) -{ - struct msm_otg *motg = container_of(otg->usb_phy, struct msm_otg, phy); - - /* - * Fail peripheral registration if this board can support - * only host configuration. - */ - if (motg->pdata->mode == USB_DR_MODE_HOST) { - dev_info(otg->usb_phy->dev, "Peripheral mode is not supported\n"); - return -ENODEV; - } - - if (!gadget) { - if (otg->state == OTG_STATE_B_PERIPHERAL) { - pm_runtime_get_sync(otg->usb_phy->dev); - msm_otg_start_peripheral(otg->usb_phy, 0); - otg->gadget = NULL; - otg->state = OTG_STATE_UNDEFINED; - schedule_work(&motg->sm_work); - } else { - otg->gadget = NULL; - } - - return 0; - } - otg->gadget = gadget; - dev_dbg(otg->usb_phy->dev, - "peripheral driver registered w/ tranceiver\n"); - - pm_runtime_get_sync(otg->usb_phy->dev); - schedule_work(&motg->sm_work); - - return 0; -} - -static bool msm_chg_check_secondary_det(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 chg_det; - bool ret = false; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - ret = chg_det & (1 << 4); - break; - case SNPS_28NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x87); - ret = chg_det & 1; - break; - default: - break; - } - return ret; -} - -static void msm_chg_enable_secondary_det(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 chg_det; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - /* Turn off charger block */ - chg_det |= ~(1 << 1); - ulpi_write(phy, chg_det, 0x34); - udelay(20); - /* control chg block via ULPI */ - chg_det &= ~(1 << 3); - ulpi_write(phy, chg_det, 0x34); - /* put it in host mode for enabling D- source */ - chg_det &= ~(1 << 2); - ulpi_write(phy, chg_det, 0x34); - /* Turn on chg detect block */ - chg_det &= ~(1 << 1); - ulpi_write(phy, chg_det, 0x34); - udelay(20); - /* enable chg detection */ - chg_det &= ~(1 << 0); - ulpi_write(phy, chg_det, 0x34); - break; - case SNPS_28NM_INTEGRATED_PHY: - /* - * Configure DM as current source, DP as current sink - * and enable battery charging comparators. - */ - ulpi_write(phy, 0x8, 0x85); - ulpi_write(phy, 0x2, 0x85); - ulpi_write(phy, 0x1, 0x85); - break; - default: - break; - } -} - -static bool msm_chg_check_primary_det(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 chg_det; - bool ret = false; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - ret = chg_det & (1 << 4); - break; - case SNPS_28NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x87); - ret = chg_det & 1; - break; - default: - break; - } - return ret; -} - -static void msm_chg_enable_primary_det(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 chg_det; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - /* enable chg detection */ - chg_det &= ~(1 << 0); - ulpi_write(phy, chg_det, 0x34); - break; - case SNPS_28NM_INTEGRATED_PHY: - /* - * Configure DP as current source, DM as current sink - * and enable battery charging comparators. - */ - ulpi_write(phy, 0x2, 0x85); - ulpi_write(phy, 0x1, 0x85); - break; - default: - break; - } -} - -static bool msm_chg_check_dcd(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 line_state; - bool ret = false; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - line_state = ulpi_read(phy, 0x15); - ret = !(line_state & 1); - break; - case SNPS_28NM_INTEGRATED_PHY: - line_state = ulpi_read(phy, 0x87); - ret = line_state & 2; - break; - default: - break; - } - return ret; -} - -static void msm_chg_disable_dcd(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 chg_det; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - chg_det &= ~(1 << 5); - ulpi_write(phy, chg_det, 0x34); - break; - case SNPS_28NM_INTEGRATED_PHY: - ulpi_write(phy, 0x10, 0x86); - break; - default: - break; - } -} - -static void msm_chg_enable_dcd(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 chg_det; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - /* Turn on D+ current source */ - chg_det |= (1 << 5); - ulpi_write(phy, chg_det, 0x34); - break; - case SNPS_28NM_INTEGRATED_PHY: - /* Data contact detection enable */ - ulpi_write(phy, 0x10, 0x85); - break; - default: - break; - } -} - -static void msm_chg_block_on(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 func_ctrl, chg_det; - - /* put the controller in non-driving mode */ - func_ctrl = ulpi_read(phy, ULPI_FUNC_CTRL); - func_ctrl &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - func_ctrl |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - ulpi_write(phy, func_ctrl, ULPI_FUNC_CTRL); - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - /* control chg block via ULPI */ - chg_det &= ~(1 << 3); - ulpi_write(phy, chg_det, 0x34); - /* Turn on chg detect block */ - chg_det &= ~(1 << 1); - ulpi_write(phy, chg_det, 0x34); - udelay(20); - break; - case SNPS_28NM_INTEGRATED_PHY: - /* Clear charger detecting control bits */ - ulpi_write(phy, 0x3F, 0x86); - /* Clear alt interrupt latch and enable bits */ - ulpi_write(phy, 0x1F, 0x92); - ulpi_write(phy, 0x1F, 0x95); - udelay(100); - break; - default: - break; - } -} - -static void msm_chg_block_off(struct msm_otg *motg) -{ - struct usb_phy *phy = &motg->phy; - u32 func_ctrl, chg_det; - - switch (motg->pdata->phy_type) { - case CI_45NM_INTEGRATED_PHY: - chg_det = ulpi_read(phy, 0x34); - /* Turn off charger block */ - chg_det |= ~(1 << 1); - ulpi_write(phy, chg_det, 0x34); - break; - case SNPS_28NM_INTEGRATED_PHY: - /* Clear charger detecting control bits */ - ulpi_write(phy, 0x3F, 0x86); - /* Clear alt interrupt latch and enable bits */ - ulpi_write(phy, 0x1F, 0x92); - ulpi_write(phy, 0x1F, 0x95); - break; - default: - break; - } - - /* put the controller in normal mode */ - func_ctrl = ulpi_read(phy, ULPI_FUNC_CTRL); - func_ctrl &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - func_ctrl |= ULPI_FUNC_CTRL_OPMODE_NORMAL; - ulpi_write(phy, func_ctrl, ULPI_FUNC_CTRL); -} - -#define MSM_CHG_DCD_POLL_TIME (100 * HZ/1000) /* 100 msec */ -#define MSM_CHG_DCD_MAX_RETRIES 6 /* Tdcd_tmout = 6 * 100 msec */ -#define MSM_CHG_PRIMARY_DET_TIME (40 * HZ/1000) /* TVDPSRC_ON */ -#define MSM_CHG_SECONDARY_DET_TIME (40 * HZ/1000) /* TVDMSRC_ON */ -static void msm_chg_detect_work(struct work_struct *w) -{ - struct msm_otg *motg = container_of(w, struct msm_otg, chg_work.work); - struct usb_phy *phy = &motg->phy; - bool is_dcd, tmout, vout; - unsigned long delay; - - dev_dbg(phy->dev, "chg detection work\n"); - switch (motg->chg_state) { - case USB_CHG_STATE_UNDEFINED: - pm_runtime_get_sync(phy->dev); - msm_chg_block_on(motg); - msm_chg_enable_dcd(motg); - motg->chg_state = USB_CHG_STATE_WAIT_FOR_DCD; - motg->dcd_retries = 0; - delay = MSM_CHG_DCD_POLL_TIME; - break; - case USB_CHG_STATE_WAIT_FOR_DCD: - is_dcd = msm_chg_check_dcd(motg); - tmout = ++motg->dcd_retries == MSM_CHG_DCD_MAX_RETRIES; - if (is_dcd || tmout) { - msm_chg_disable_dcd(motg); - msm_chg_enable_primary_det(motg); - delay = MSM_CHG_PRIMARY_DET_TIME; - motg->chg_state = USB_CHG_STATE_DCD_DONE; - } else { - delay = MSM_CHG_DCD_POLL_TIME; - } - break; - case USB_CHG_STATE_DCD_DONE: - vout = msm_chg_check_primary_det(motg); - if (vout) { - msm_chg_enable_secondary_det(motg); - delay = MSM_CHG_SECONDARY_DET_TIME; - motg->chg_state = USB_CHG_STATE_PRIMARY_DONE; - } else { - motg->chg_type = USB_SDP_CHARGER; - motg->chg_state = USB_CHG_STATE_DETECTED; - delay = 0; - } - break; - case USB_CHG_STATE_PRIMARY_DONE: - vout = msm_chg_check_secondary_det(motg); - if (vout) - motg->chg_type = USB_DCP_CHARGER; - else - motg->chg_type = USB_CDP_CHARGER; - motg->chg_state = USB_CHG_STATE_SECONDARY_DONE; - /* fall through */ - case USB_CHG_STATE_SECONDARY_DONE: - motg->chg_state = USB_CHG_STATE_DETECTED; - case USB_CHG_STATE_DETECTED: - msm_chg_block_off(motg); - dev_dbg(phy->dev, "charger = %d\n", motg->chg_type); - schedule_work(&motg->sm_work); - return; - default: - return; - } - - schedule_delayed_work(&motg->chg_work, delay); -} - -/* - * We support OTG, Peripheral only and Host only configurations. In case - * of OTG, mode switch (host-->peripheral/peripheral-->host) can happen - * via Id pin status or user request (debugfs). Id/BSV interrupts are not - * enabled when switch is controlled by user and default mode is supplied - * by board file, which can be changed by userspace later. - */ -static void msm_otg_init_sm(struct msm_otg *motg) -{ - struct msm_otg_platform_data *pdata = motg->pdata; - u32 otgsc = readl(USB_OTGSC); - - switch (pdata->mode) { - case USB_DR_MODE_OTG: - if (pdata->otg_control == OTG_PHY_CONTROL) { - if (otgsc & OTGSC_ID) - set_bit(ID, &motg->inputs); - else - clear_bit(ID, &motg->inputs); - - if (otgsc & OTGSC_BSV) - set_bit(B_SESS_VLD, &motg->inputs); - else - clear_bit(B_SESS_VLD, &motg->inputs); - } else if (pdata->otg_control == OTG_USER_CONTROL) { - set_bit(ID, &motg->inputs); - clear_bit(B_SESS_VLD, &motg->inputs); - } - break; - case USB_DR_MODE_HOST: - clear_bit(ID, &motg->inputs); - break; - case USB_DR_MODE_PERIPHERAL: - set_bit(ID, &motg->inputs); - if (otgsc & OTGSC_BSV) - set_bit(B_SESS_VLD, &motg->inputs); - else - clear_bit(B_SESS_VLD, &motg->inputs); - break; - default: - break; - } -} - -static void msm_otg_sm_work(struct work_struct *w) -{ - struct msm_otg *motg = container_of(w, struct msm_otg, sm_work); - struct usb_otg *otg = motg->phy.otg; - - switch (otg->state) { - case OTG_STATE_UNDEFINED: - dev_dbg(otg->usb_phy->dev, "OTG_STATE_UNDEFINED state\n"); - msm_otg_reset(otg->usb_phy); - msm_otg_init_sm(motg); - otg->state = OTG_STATE_B_IDLE; - /* FALL THROUGH */ - case OTG_STATE_B_IDLE: - dev_dbg(otg->usb_phy->dev, "OTG_STATE_B_IDLE state\n"); - if (!test_bit(ID, &motg->inputs) && otg->host) { - /* disable BSV bit */ - writel(readl(USB_OTGSC) & ~OTGSC_BSVIE, USB_OTGSC); - msm_otg_start_host(otg->usb_phy, 1); - otg->state = OTG_STATE_A_HOST; - } else if (test_bit(B_SESS_VLD, &motg->inputs)) { - switch (motg->chg_state) { - case USB_CHG_STATE_UNDEFINED: - msm_chg_detect_work(&motg->chg_work.work); - break; - case USB_CHG_STATE_DETECTED: - switch (motg->chg_type) { - case USB_DCP_CHARGER: - msm_otg_notify_charger(motg, - IDEV_CHG_MAX); - break; - case USB_CDP_CHARGER: - msm_otg_notify_charger(motg, - IDEV_CHG_MAX); - msm_otg_start_peripheral(otg->usb_phy, - 1); - otg->state - = OTG_STATE_B_PERIPHERAL; - break; - case USB_SDP_CHARGER: - msm_otg_notify_charger(motg, IUNIT); - msm_otg_start_peripheral(otg->usb_phy, - 1); - otg->state - = OTG_STATE_B_PERIPHERAL; - break; - default: - break; - } - break; - default: - break; - } - } else { - /* - * If charger detection work is pending, decrement - * the pm usage counter to balance with the one that - * is incremented in charger detection work. - */ - if (cancel_delayed_work_sync(&motg->chg_work)) { - pm_runtime_put_sync(otg->usb_phy->dev); - msm_otg_reset(otg->usb_phy); - } - msm_otg_notify_charger(motg, 0); - motg->chg_state = USB_CHG_STATE_UNDEFINED; - motg->chg_type = USB_INVALID_CHARGER; - } - - if (otg->state == OTG_STATE_B_IDLE) - pm_runtime_put_sync(otg->usb_phy->dev); - break; - case OTG_STATE_B_PERIPHERAL: - dev_dbg(otg->usb_phy->dev, "OTG_STATE_B_PERIPHERAL state\n"); - if (!test_bit(B_SESS_VLD, &motg->inputs) || - !test_bit(ID, &motg->inputs)) { - msm_otg_notify_charger(motg, 0); - msm_otg_start_peripheral(otg->usb_phy, 0); - motg->chg_state = USB_CHG_STATE_UNDEFINED; - motg->chg_type = USB_INVALID_CHARGER; - otg->state = OTG_STATE_B_IDLE; - msm_otg_reset(otg->usb_phy); - schedule_work(w); - } - break; - case OTG_STATE_A_HOST: - dev_dbg(otg->usb_phy->dev, "OTG_STATE_A_HOST state\n"); - if (test_bit(ID, &motg->inputs)) { - msm_otg_start_host(otg->usb_phy, 0); - otg->state = OTG_STATE_B_IDLE; - msm_otg_reset(otg->usb_phy); - schedule_work(w); - } - break; - default: - break; - } -} - -static irqreturn_t msm_otg_irq(int irq, void *data) -{ - struct msm_otg *motg = data; - struct usb_phy *phy = &motg->phy; - u32 otgsc = 0; - - if (atomic_read(&motg->in_lpm)) { - disable_irq_nosync(irq); - motg->async_int = 1; - pm_runtime_get(phy->dev); - return IRQ_HANDLED; - } - - otgsc = readl(USB_OTGSC); - if (!(otgsc & (OTGSC_IDIS | OTGSC_BSVIS))) - return IRQ_NONE; - - if ((otgsc & OTGSC_IDIS) && (otgsc & OTGSC_IDIE)) { - if (otgsc & OTGSC_ID) - set_bit(ID, &motg->inputs); - else - clear_bit(ID, &motg->inputs); - dev_dbg(phy->dev, "ID set/clear\n"); - pm_runtime_get_noresume(phy->dev); - } else if ((otgsc & OTGSC_BSVIS) && (otgsc & OTGSC_BSVIE)) { - if (otgsc & OTGSC_BSV) - set_bit(B_SESS_VLD, &motg->inputs); - else - clear_bit(B_SESS_VLD, &motg->inputs); - dev_dbg(phy->dev, "BSV set/clear\n"); - pm_runtime_get_noresume(phy->dev); - } - - writel(otgsc, USB_OTGSC); - schedule_work(&motg->sm_work); - return IRQ_HANDLED; -} - -static int msm_otg_mode_show(struct seq_file *s, void *unused) -{ - struct msm_otg *motg = s->private; - struct usb_otg *otg = motg->phy.otg; - - switch (otg->state) { - case OTG_STATE_A_HOST: - seq_puts(s, "host\n"); - break; - case OTG_STATE_B_PERIPHERAL: - seq_puts(s, "peripheral\n"); - break; - default: - seq_puts(s, "none\n"); - break; - } - - return 0; -} - -static int msm_otg_mode_open(struct inode *inode, struct file *file) -{ - return single_open(file, msm_otg_mode_show, inode->i_private); -} - -static ssize_t msm_otg_mode_write(struct file *file, const char __user *ubuf, - size_t count, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct msm_otg *motg = s->private; - char buf[16]; - struct usb_otg *otg = motg->phy.otg; - int status = count; - enum usb_dr_mode req_mode; - - memset(buf, 0x00, sizeof(buf)); - - if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) { - status = -EFAULT; - goto out; - } - - if (!strncmp(buf, "host", 4)) { - req_mode = USB_DR_MODE_HOST; - } else if (!strncmp(buf, "peripheral", 10)) { - req_mode = USB_DR_MODE_PERIPHERAL; - } else if (!strncmp(buf, "none", 4)) { - req_mode = USB_DR_MODE_UNKNOWN; - } else { - status = -EINVAL; - goto out; - } - - switch (req_mode) { - case USB_DR_MODE_UNKNOWN: - switch (otg->state) { - case OTG_STATE_A_HOST: - case OTG_STATE_B_PERIPHERAL: - set_bit(ID, &motg->inputs); - clear_bit(B_SESS_VLD, &motg->inputs); - break; - default: - goto out; - } - break; - case USB_DR_MODE_PERIPHERAL: - switch (otg->state) { - case OTG_STATE_B_IDLE: - case OTG_STATE_A_HOST: - set_bit(ID, &motg->inputs); - set_bit(B_SESS_VLD, &motg->inputs); - break; - default: - goto out; - } - break; - case USB_DR_MODE_HOST: - switch (otg->state) { - case OTG_STATE_B_IDLE: - case OTG_STATE_B_PERIPHERAL: - clear_bit(ID, &motg->inputs); - break; - default: - goto out; - } - break; - default: - goto out; - } - - pm_runtime_get_sync(otg->usb_phy->dev); - schedule_work(&motg->sm_work); -out: - return status; -} - -static const struct file_operations msm_otg_mode_fops = { - .open = msm_otg_mode_open, - .read = seq_read, - .write = msm_otg_mode_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static struct dentry *msm_otg_dbg_root; -static struct dentry *msm_otg_dbg_mode; - -static int msm_otg_debugfs_init(struct msm_otg *motg) -{ - msm_otg_dbg_root = debugfs_create_dir("msm_otg", NULL); - - if (!msm_otg_dbg_root || IS_ERR(msm_otg_dbg_root)) - return -ENODEV; - - msm_otg_dbg_mode = debugfs_create_file("mode", S_IRUGO | S_IWUSR, - msm_otg_dbg_root, motg, &msm_otg_mode_fops); - if (!msm_otg_dbg_mode) { - debugfs_remove(msm_otg_dbg_root); - msm_otg_dbg_root = NULL; - return -ENODEV; - } - - return 0; -} - -static void msm_otg_debugfs_cleanup(void) -{ - debugfs_remove(msm_otg_dbg_mode); - debugfs_remove(msm_otg_dbg_root); -} - -static const struct of_device_id msm_otg_dt_match[] = { - { - .compatible = "qcom,usb-otg-ci", - .data = (void *) CI_45NM_INTEGRATED_PHY - }, - { - .compatible = "qcom,usb-otg-snps", - .data = (void *) SNPS_28NM_INTEGRATED_PHY - }, - { } -}; -MODULE_DEVICE_TABLE(of, msm_otg_dt_match); - -static int msm_otg_vbus_notifier(struct notifier_block *nb, unsigned long event, - void *ptr) -{ - struct usb_phy *usb_phy = container_of(nb, struct usb_phy, vbus_nb); - struct msm_otg *motg = container_of(usb_phy, struct msm_otg, phy); - - if (event) - set_bit(B_SESS_VLD, &motg->inputs); - else - clear_bit(B_SESS_VLD, &motg->inputs); - - if (test_bit(B_SESS_VLD, &motg->inputs)) { - /* Switch D+/D- lines to Device connector */ - gpiod_set_value_cansleep(motg->switch_gpio, 0); - } else { - /* Switch D+/D- lines to Hub */ - gpiod_set_value_cansleep(motg->switch_gpio, 1); - } - - schedule_work(&motg->sm_work); - - return NOTIFY_DONE; -} - -static int msm_otg_id_notifier(struct notifier_block *nb, unsigned long event, - void *ptr) -{ - struct usb_phy *usb_phy = container_of(nb, struct usb_phy, id_nb); - struct msm_otg *motg = container_of(usb_phy, struct msm_otg, phy); - - if (event) - clear_bit(ID, &motg->inputs); - else - set_bit(ID, &motg->inputs); - - schedule_work(&motg->sm_work); - - return NOTIFY_DONE; -} - -static int msm_otg_read_dt(struct platform_device *pdev, struct msm_otg *motg) -{ - struct msm_otg_platform_data *pdata; - struct device_node *node = pdev->dev.of_node; - struct property *prop; - int len, ret, words; - u32 val, tmp[3]; - - pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return -ENOMEM; - - motg->pdata = pdata; - - pdata->phy_type = (enum msm_usb_phy_type)of_device_get_match_data(&pdev->dev); - if (!pdata->phy_type) - return 1; - - motg->link_rst = devm_reset_control_get(&pdev->dev, "link"); - if (IS_ERR(motg->link_rst)) - return PTR_ERR(motg->link_rst); - - motg->phy_rst = devm_reset_control_get(&pdev->dev, "phy"); - if (IS_ERR(motg->phy_rst)) - motg->phy_rst = NULL; - - pdata->mode = usb_get_dr_mode(&pdev->dev); - if (pdata->mode == USB_DR_MODE_UNKNOWN) - pdata->mode = USB_DR_MODE_OTG; - - pdata->otg_control = OTG_PHY_CONTROL; - if (!of_property_read_u32(node, "qcom,otg-control", &val)) - if (val == OTG_PMIC_CONTROL) - pdata->otg_control = val; - - if (!of_property_read_u32(node, "qcom,phy-num", &val) && val < 2) - motg->phy_number = val; - - motg->vdd_levels[VDD_LEVEL_NONE] = USB_PHY_SUSP_DIG_VOL; - motg->vdd_levels[VDD_LEVEL_MIN] = USB_PHY_VDD_DIG_VOL_MIN; - motg->vdd_levels[VDD_LEVEL_MAX] = USB_PHY_VDD_DIG_VOL_MAX; - - if (of_get_property(node, "qcom,vdd-levels", &len) && - len == sizeof(tmp)) { - of_property_read_u32_array(node, "qcom,vdd-levels", - tmp, len / sizeof(*tmp)); - motg->vdd_levels[VDD_LEVEL_NONE] = tmp[VDD_LEVEL_NONE]; - motg->vdd_levels[VDD_LEVEL_MIN] = tmp[VDD_LEVEL_MIN]; - motg->vdd_levels[VDD_LEVEL_MAX] = tmp[VDD_LEVEL_MAX]; - } - - motg->manual_pullup = of_property_read_bool(node, "qcom,manual-pullup"); - - motg->switch_gpio = devm_gpiod_get_optional(&pdev->dev, "switch", - GPIOD_OUT_LOW); - if (IS_ERR(motg->switch_gpio)) - return PTR_ERR(motg->switch_gpio); - - prop = of_find_property(node, "qcom,phy-init-sequence", &len); - if (!prop || !len) - return 0; - - words = len / sizeof(u32); - - if (words >= ULPI_EXT_VENDOR_SPECIFIC) { - dev_warn(&pdev->dev, "Too big PHY init sequence %d\n", words); - return 0; - } - - pdata->phy_init_seq = devm_kzalloc(&pdev->dev, len, GFP_KERNEL); - if (!pdata->phy_init_seq) - return 0; - - ret = of_property_read_u32_array(node, "qcom,phy-init-sequence", - pdata->phy_init_seq, words); - if (!ret) - pdata->phy_init_sz = words; - - return 0; -} - -static int msm_otg_reboot_notify(struct notifier_block *this, - unsigned long code, void *unused) -{ - struct msm_otg *motg = container_of(this, struct msm_otg, reboot); - - /* - * Ensure that D+/D- lines are routed to uB connector, so - * we could load bootloader/kernel at next reboot - */ - gpiod_set_value_cansleep(motg->switch_gpio, 0); - return NOTIFY_DONE; -} - -static int msm_otg_probe(struct platform_device *pdev) -{ - int ret = 0; - struct device_node *np = pdev->dev.of_node; - struct msm_otg_platform_data *pdata; - struct resource *res; - struct msm_otg *motg; - struct usb_phy *phy; - void __iomem *phy_select; - - motg = devm_kzalloc(&pdev->dev, sizeof(struct msm_otg), GFP_KERNEL); - if (!motg) - return -ENOMEM; - - motg->phy.otg = devm_kzalloc(&pdev->dev, sizeof(struct usb_otg), - GFP_KERNEL); - if (!motg->phy.otg) - return -ENOMEM; - - phy = &motg->phy; - phy->dev = &pdev->dev; - - motg->clk = devm_clk_get(&pdev->dev, np ? "core" : "usb_hs_clk"); - if (IS_ERR(motg->clk)) { - dev_err(&pdev->dev, "failed to get usb_hs_clk\n"); - return PTR_ERR(motg->clk); - } - - /* - * If USB Core is running its protocol engine based on CORE CLK, - * CORE CLK must be running at >55Mhz for correct HSUSB - * operation and USB core cannot tolerate frequency changes on - * CORE CLK. - */ - motg->pclk = devm_clk_get(&pdev->dev, np ? "iface" : "usb_hs_pclk"); - if (IS_ERR(motg->pclk)) { - dev_err(&pdev->dev, "failed to get usb_hs_pclk\n"); - return PTR_ERR(motg->pclk); - } - - /* - * USB core clock is not present on all MSM chips. This - * clock is introduced to remove the dependency on AXI - * bus frequency. - */ - motg->core_clk = devm_clk_get(&pdev->dev, - np ? "alt_core" : "usb_hs_core_clk"); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - motg->regs = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (!motg->regs) - return -ENOMEM; - - pdata = dev_get_platdata(&pdev->dev); - if (!pdata) { - if (!np) - return -ENXIO; - ret = msm_otg_read_dt(pdev, motg); - if (ret) - return ret; - } - - /* - * NOTE: The PHYs can be multiplexed between the chipidea controller - * and the dwc3 controller, using a single bit. It is important that - * the dwc3 driver does not set this bit in an incompatible way. - */ - if (motg->phy_number) { - phy_select = devm_ioremap_nocache(&pdev->dev, USB2_PHY_SEL, 4); - if (!phy_select) - return -ENOMEM; - - /* Enable second PHY with the OTG port */ - writel(0x1, phy_select); - } - - dev_info(&pdev->dev, "OTG regs = %p\n", motg->regs); - - motg->irq = platform_get_irq(pdev, 0); - if (motg->irq < 0) { - dev_err(&pdev->dev, "platform_get_irq failed\n"); - ret = motg->irq; - return motg->irq; - } - - motg->supplies[0].supply = "vddcx"; - motg->supplies[1].supply = "v3p3"; - motg->supplies[2].supply = "v1p8"; - - ret = devm_regulator_bulk_get(motg->phy.dev, ARRAY_SIZE(motg->supplies), - motg->supplies); - if (ret) - return ret; - - motg->vddcx = motg->supplies[0].consumer; - motg->v3p3 = motg->supplies[1].consumer; - motg->v1p8 = motg->supplies[2].consumer; - - clk_set_rate(motg->clk, 60000000); - - clk_prepare_enable(motg->clk); - clk_prepare_enable(motg->pclk); - - if (!IS_ERR(motg->core_clk)) - clk_prepare_enable(motg->core_clk); - - ret = msm_hsusb_init_vddcx(motg, 1); - if (ret) { - dev_err(&pdev->dev, "hsusb vddcx configuration failed\n"); - goto disable_clks; - } - - ret = msm_hsusb_ldo_init(motg, 1); - if (ret) { - dev_err(&pdev->dev, "hsusb vreg configuration failed\n"); - goto disable_vddcx; - } - ret = msm_hsusb_ldo_set_mode(motg, 1); - if (ret) { - dev_err(&pdev->dev, "hsusb vreg enable failed\n"); - goto disable_ldo; - } - - writel(0, USB_USBINTR); - writel(0, USB_OTGSC); - - INIT_WORK(&motg->sm_work, msm_otg_sm_work); - INIT_DELAYED_WORK(&motg->chg_work, msm_chg_detect_work); - ret = devm_request_irq(&pdev->dev, motg->irq, msm_otg_irq, IRQF_SHARED, - "msm_otg", motg); - if (ret) { - dev_err(&pdev->dev, "request irq failed\n"); - goto disable_ldo; - } - - phy->init = msm_phy_init; - phy->notify_disconnect = msm_phy_notify_disconnect; - phy->type = USB_PHY_TYPE_USB2; - phy->vbus_nb.notifier_call = msm_otg_vbus_notifier; - phy->id_nb.notifier_call = msm_otg_id_notifier; - - phy->io_ops = &msm_otg_io_ops; - - phy->otg->usb_phy = &motg->phy; - phy->otg->set_host = msm_otg_set_host; - phy->otg->set_peripheral = msm_otg_set_peripheral; - - msm_usb_reset(phy); - - ret = usb_add_phy_dev(&motg->phy); - if (ret) { - dev_err(&pdev->dev, "usb_add_phy failed\n"); - goto disable_ldo; - } - - ret = extcon_get_state(phy->edev, EXTCON_USB); - if (ret) - set_bit(B_SESS_VLD, &motg->inputs); - else - clear_bit(B_SESS_VLD, &motg->inputs); - - ret = extcon_get_state(phy->id_edev, EXTCON_USB_HOST); - if (ret) - clear_bit(ID, &motg->inputs); - else - set_bit(ID, &motg->inputs); - - platform_set_drvdata(pdev, motg); - device_init_wakeup(&pdev->dev, 1); - - if (motg->pdata->mode == USB_DR_MODE_OTG && - motg->pdata->otg_control == OTG_USER_CONTROL) { - ret = msm_otg_debugfs_init(motg); - if (ret) - dev_dbg(&pdev->dev, "Can not create mode change file\n"); - } - - if (test_bit(B_SESS_VLD, &motg->inputs)) { - /* Switch D+/D- lines to Device connector */ - gpiod_set_value_cansleep(motg->switch_gpio, 0); - } else { - /* Switch D+/D- lines to Hub */ - gpiod_set_value_cansleep(motg->switch_gpio, 1); - } - - motg->reboot.notifier_call = msm_otg_reboot_notify; - register_reboot_notifier(&motg->reboot); - - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); - - return 0; - -disable_ldo: - msm_hsusb_ldo_init(motg, 0); -disable_vddcx: - msm_hsusb_init_vddcx(motg, 0); -disable_clks: - clk_disable_unprepare(motg->pclk); - clk_disable_unprepare(motg->clk); - if (!IS_ERR(motg->core_clk)) - clk_disable_unprepare(motg->core_clk); - - return ret; -} - -static int msm_otg_remove(struct platform_device *pdev) -{ - struct msm_otg *motg = platform_get_drvdata(pdev); - struct usb_phy *phy = &motg->phy; - int cnt = 0; - - if (phy->otg->host || phy->otg->gadget) - return -EBUSY; - - unregister_reboot_notifier(&motg->reboot); - - /* - * Ensure that D+/D- lines are routed to uB connector, so - * we could load bootloader/kernel at next reboot - */ - gpiod_set_value_cansleep(motg->switch_gpio, 0); - - msm_otg_debugfs_cleanup(); - cancel_delayed_work_sync(&motg->chg_work); - cancel_work_sync(&motg->sm_work); - - pm_runtime_resume(&pdev->dev); - - device_init_wakeup(&pdev->dev, 0); - pm_runtime_disable(&pdev->dev); - - usb_remove_phy(phy); - disable_irq(motg->irq); - - /* - * Put PHY in low power mode. - */ - ulpi_read(phy, 0x14); - ulpi_write(phy, 0x08, 0x09); - - writel(readl(USB_PORTSC) | PORTSC_PHCD, USB_PORTSC); - while (cnt < PHY_SUSPEND_TIMEOUT_USEC) { - if (readl(USB_PORTSC) & PORTSC_PHCD) - break; - udelay(1); - cnt++; - } - if (cnt >= PHY_SUSPEND_TIMEOUT_USEC) - dev_err(phy->dev, "Unable to suspend PHY\n"); - - clk_disable_unprepare(motg->pclk); - clk_disable_unprepare(motg->clk); - if (!IS_ERR(motg->core_clk)) - clk_disable_unprepare(motg->core_clk); - msm_hsusb_ldo_init(motg, 0); - - pm_runtime_set_suspended(&pdev->dev); - - return 0; -} - -#ifdef CONFIG_PM -static int msm_otg_runtime_idle(struct device *dev) -{ - struct msm_otg *motg = dev_get_drvdata(dev); - struct usb_otg *otg = motg->phy.otg; - - dev_dbg(dev, "OTG runtime idle\n"); - - /* - * It is observed some times that a spurious interrupt - * comes when PHY is put into LPM immediately after PHY reset. - * This 1 sec delay also prevents entering into LPM immediately - * after asynchronous interrupt. - */ - if (otg->state != OTG_STATE_UNDEFINED) - pm_schedule_suspend(dev, 1000); - - return -EAGAIN; -} - -static int msm_otg_runtime_suspend(struct device *dev) -{ - struct msm_otg *motg = dev_get_drvdata(dev); - - dev_dbg(dev, "OTG runtime suspend\n"); - return msm_otg_suspend(motg); -} - -static int msm_otg_runtime_resume(struct device *dev) -{ - struct msm_otg *motg = dev_get_drvdata(dev); - - dev_dbg(dev, "OTG runtime resume\n"); - return msm_otg_resume(motg); -} -#endif - -#ifdef CONFIG_PM_SLEEP -static int msm_otg_pm_suspend(struct device *dev) -{ - struct msm_otg *motg = dev_get_drvdata(dev); - - dev_dbg(dev, "OTG PM suspend\n"); - return msm_otg_suspend(motg); -} - -static int msm_otg_pm_resume(struct device *dev) -{ - struct msm_otg *motg = dev_get_drvdata(dev); - int ret; - - dev_dbg(dev, "OTG PM resume\n"); - - ret = msm_otg_resume(motg); - if (ret) - return ret; - - /* - * Runtime PM Documentation recommends bringing the - * device to full powered state upon resume. - */ - pm_runtime_disable(dev); - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - - return 0; -} -#endif - -static const struct dev_pm_ops msm_otg_dev_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(msm_otg_pm_suspend, msm_otg_pm_resume) - SET_RUNTIME_PM_OPS(msm_otg_runtime_suspend, msm_otg_runtime_resume, - msm_otg_runtime_idle) -}; - -static struct platform_driver msm_otg_driver = { - .probe = msm_otg_probe, - .remove = msm_otg_remove, - .driver = { - .name = DRIVER_NAME, - .pm = &msm_otg_dev_pm_ops, - .of_match_table = msm_otg_dt_match, - }, -}; - -module_platform_driver(msm_otg_driver); - -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("MSM USB transceiver driver"); diff --git a/drivers/usb/phy/phy-mv-usb.c b/drivers/usb/phy/phy-mv-usb.c index 0e315694adc9..554b72282276 100644 --- a/drivers/usb/phy/phy-mv-usb.c +++ b/drivers/usb/phy/phy-mv-usb.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. * Author: Chao Xie <chao.xie@marvell.com> * Neil Zhang <zhangwm@marvell.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/module.h> @@ -87,9 +83,10 @@ static void mv_otg_run_state_machine(struct mv_otg *mvotg, queue_delayed_work(mvotg->qwork, &mvotg->work, delay); } -static void mv_otg_timer_await_bcon(unsigned long data) +static void mv_otg_timer_await_bcon(struct timer_list *t) { - struct mv_otg *mvotg = (struct mv_otg *) data; + struct mv_otg *mvotg = from_timer(mvotg, t, + otg_ctrl.timer[A_WAIT_BCON_TIMER]); mvotg->otg_ctrl.a_wait_bcon_timeout = 1; @@ -117,8 +114,7 @@ static int mv_otg_cancel_timer(struct mv_otg *mvotg, unsigned int id) } static int mv_otg_set_timer(struct mv_otg *mvotg, unsigned int id, - unsigned long interval, - void (*callback) (unsigned long)) + unsigned long interval) { struct timer_list *timer; @@ -131,9 +127,6 @@ static int mv_otg_set_timer(struct mv_otg *mvotg, unsigned int id, return -EBUSY; } - init_timer(timer); - timer->data = (unsigned long) mvotg; - timer->function = callback; timer->expires = jiffies + interval; add_timer(timer); @@ -459,8 +452,7 @@ run: if (old_state != OTG_STATE_A_HOST) mv_otg_start_host(mvotg, 1); mv_otg_set_timer(mvotg, A_WAIT_BCON_TIMER, - T_A_WAIT_BCON, - mv_otg_timer_await_bcon); + T_A_WAIT_BCON); /* * Now, we directly enter A_HOST. So set b_conn = 1 * here. In fact, it need host driver to notify us. @@ -722,7 +714,8 @@ static int mv_otg_probe(struct platform_device *pdev) otg->set_vbus = mv_otg_set_vbus; for (i = 0; i < OTG_TIMER_NUM; i++) - init_timer(&mvotg->otg_ctrl.timer[i]); + timer_setup(&mvotg->otg_ctrl.timer[i], + mv_otg_timer_await_bcon, 0); r = platform_get_resource_byname(mvotg->pdev, IORESOURCE_MEM, "phyregs"); diff --git a/drivers/usb/phy/phy-mv-usb.h b/drivers/usb/phy/phy-mv-usb.h index 551da6eb0ba8..96701a1229ad 100644 --- a/drivers/usb/phy/phy-mv-usb.h +++ b/drivers/usb/phy/phy-mv-usb.h @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #ifndef __MV_USB_OTG_CONTROLLER__ diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 0e2f1a36d315..da031c45395a 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -1,14 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2012-2014 Freescale Semiconductor, Inc. * Copyright (C) 2012 Marek Vasut <marex@denx.de> * on behalf of DENX Software Engineering GmbH - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html */ #include <linux/module.h> @@ -67,11 +61,26 @@ #define ANADIG_ANA_MISC0_SET 0x154 #define ANADIG_ANA_MISC0_CLR 0x158 +#define ANADIG_USB1_CHRG_DETECT_SET 0x1b4 +#define ANADIG_USB1_CHRG_DETECT_CLR 0x1b8 +#define ANADIG_USB1_CHRG_DETECT_EN_B BIT(20) +#define ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B BIT(19) +#define ANADIG_USB1_CHRG_DETECT_CHK_CONTACT BIT(18) + #define ANADIG_USB1_VBUS_DET_STAT 0x1c0 +#define ANADIG_USB1_VBUS_DET_STAT_VBUS_VALID BIT(3) + +#define ANADIG_USB1_CHRG_DET_STAT 0x1d0 +#define ANADIG_USB1_CHRG_DET_STAT_DM_STATE BIT(2) +#define ANADIG_USB1_CHRG_DET_STAT_CHRG_DETECTED BIT(1) +#define ANADIG_USB1_CHRG_DET_STAT_PLUG_CONTACT BIT(0) + #define ANADIG_USB2_VBUS_DET_STAT 0x220 #define ANADIG_USB1_LOOPBACK_SET 0x1e4 #define ANADIG_USB1_LOOPBACK_CLR 0x1e8 +#define ANADIG_USB1_LOOPBACK_UTMI_TESTSTART BIT(0) + #define ANADIG_USB2_LOOPBACK_SET 0x244 #define ANADIG_USB2_LOOPBACK_CLR 0x248 @@ -479,6 +488,144 @@ static int mxs_phy_on_disconnect(struct usb_phy *phy, return 0; } +#define MXS_USB_CHARGER_DATA_CONTACT_TIMEOUT 100 +static int mxs_charger_data_contact_detect(struct mxs_phy *x) +{ + struct regmap *regmap = x->regmap_anatop; + int i, stable_contact_count = 0; + u32 val; + + /* Check if vbus is valid */ + regmap_read(regmap, ANADIG_USB1_VBUS_DET_STAT, &val); + if (!(val & ANADIG_USB1_VBUS_DET_STAT_VBUS_VALID)) { + dev_err(x->phy.dev, "vbus is not valid\n"); + return -EINVAL; + } + + /* Enable charger detector */ + regmap_write(regmap, ANADIG_USB1_CHRG_DETECT_CLR, + ANADIG_USB1_CHRG_DETECT_EN_B); + /* + * - Do not check whether a charger is connected to the USB port + * - Check whether the USB plug has been in contact with each other + */ + regmap_write(regmap, ANADIG_USB1_CHRG_DETECT_SET, + ANADIG_USB1_CHRG_DETECT_CHK_CONTACT | + ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B); + + /* Check if plug is connected */ + for (i = 0; i < MXS_USB_CHARGER_DATA_CONTACT_TIMEOUT; i++) { + regmap_read(regmap, ANADIG_USB1_CHRG_DET_STAT, &val); + if (val & ANADIG_USB1_CHRG_DET_STAT_PLUG_CONTACT) { + stable_contact_count++; + if (stable_contact_count > 5) + /* Data pin makes contact */ + break; + else + usleep_range(5000, 10000); + } else { + stable_contact_count = 0; + usleep_range(5000, 6000); + } + } + + if (i == MXS_USB_CHARGER_DATA_CONTACT_TIMEOUT) { + dev_err(x->phy.dev, + "Data pin can't make good contact.\n"); + /* Disable charger detector */ + regmap_write(regmap, ANADIG_USB1_CHRG_DETECT_SET, + ANADIG_USB1_CHRG_DETECT_EN_B | + ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B); + return -ENXIO; + } + + return 0; +} + +static enum usb_charger_type mxs_charger_primary_detection(struct mxs_phy *x) +{ + struct regmap *regmap = x->regmap_anatop; + enum usb_charger_type chgr_type = UNKNOWN_TYPE; + u32 val; + + /* + * - Do check whether a charger is connected to the USB port + * - Do not Check whether the USB plug has been in contact with + * each other + */ + regmap_write(regmap, ANADIG_USB1_CHRG_DETECT_CLR, + ANADIG_USB1_CHRG_DETECT_CHK_CONTACT | + ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B); + + msleep(100); + + /* Check if it is a charger */ + regmap_read(regmap, ANADIG_USB1_CHRG_DET_STAT, &val); + if (!(val & ANADIG_USB1_CHRG_DET_STAT_CHRG_DETECTED)) { + chgr_type = SDP_TYPE; + dev_dbg(x->phy.dev, "It is a stardard downstream port\n"); + } + + /* Disable charger detector */ + regmap_write(regmap, ANADIG_USB1_CHRG_DETECT_SET, + ANADIG_USB1_CHRG_DETECT_EN_B | + ANADIG_USB1_CHRG_DETECT_CHK_CHRG_B); + + return chgr_type; +} + +/* + * It must be called after DP is pulled up, which is used to + * differentiate DCP and CDP. + */ +enum usb_charger_type mxs_charger_secondary_detection(struct mxs_phy *x) +{ + struct regmap *regmap = x->regmap_anatop; + int val; + + msleep(80); + + regmap_read(regmap, ANADIG_USB1_CHRG_DET_STAT, &val); + if (val & ANADIG_USB1_CHRG_DET_STAT_DM_STATE) { + dev_dbg(x->phy.dev, "It is a dedicate charging port\n"); + return DCP_TYPE; + } else { + dev_dbg(x->phy.dev, "It is a charging downstream port\n"); + return CDP_TYPE; + } +} + +static enum usb_charger_type mxs_phy_charger_detect(struct usb_phy *phy) +{ + struct mxs_phy *mxs_phy = to_mxs_phy(phy); + struct regmap *regmap = mxs_phy->regmap_anatop; + void __iomem *base = phy->io_priv; + enum usb_charger_type chgr_type = UNKNOWN_TYPE; + + if (mxs_charger_data_contact_detect(mxs_phy)) + return chgr_type; + + chgr_type = mxs_charger_primary_detection(mxs_phy); + + if (chgr_type != SDP_TYPE) { + /* Pull up DP via test */ + writel_relaxed(BM_USBPHY_DEBUG_CLKGATE, + base + HW_USBPHY_DEBUG_CLR); + regmap_write(regmap, ANADIG_USB1_LOOPBACK_SET, + ANADIG_USB1_LOOPBACK_UTMI_TESTSTART); + + chgr_type = mxs_charger_secondary_detection(mxs_phy); + + /* Stop the test */ + regmap_write(regmap, ANADIG_USB1_LOOPBACK_CLR, + ANADIG_USB1_LOOPBACK_UTMI_TESTSTART); + writel_relaxed(BM_USBPHY_DEBUG_CLKGATE, + base + HW_USBPHY_DEBUG_SET); + } + + return chgr_type; +} + static int mxs_phy_probe(struct platform_device *pdev) { struct resource *res; @@ -567,6 +714,7 @@ static int mxs_phy_probe(struct platform_device *pdev) mxs_phy->phy.notify_disconnect = mxs_phy_on_disconnect; mxs_phy->phy.type = USB_PHY_TYPE_USB2; mxs_phy->phy.set_wakeup = mxs_phy_set_wakeup; + mxs_phy->phy.charger_detect = mxs_phy_charger_detect; mxs_phy->clk = clk; mxs_phy->data = of_id->data; diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c index 800d1d90753d..ee0863c6553e 100644 --- a/drivers/usb/phy/phy-omap-otg.c +++ b/drivers/usb/phy/phy-omap-otg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * OMAP OTG controller driver * @@ -6,15 +7,6 @@ * Copyright (C) 2005-2006 Nokia Corporation * Copyright (C) 2004 Texas Instruments * Copyright (C) 2004 David Brownell - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file "COPYING" in the main directory of this - * archive for more details. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/io.h> diff --git a/drivers/usb/phy/phy-qcom-8x16-usb.c b/drivers/usb/phy/phy-qcom-8x16-usb.c deleted file mode 100644 index 679afeaaa9a8..000000000000 --- a/drivers/usb/phy/phy-qcom-8x16-usb.c +++ /dev/null @@ -1,366 +0,0 @@ -/* - * Copyright (c) 2015, Linaro Limited - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/device.h> -#include <linux/err.h> -#include <linux/extcon.h> -#include <linux/gpio/consumer.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/platform_device.h> -#include <linux/reboot.h> -#include <linux/regulator/consumer.h> -#include <linux/reset.h> -#include <linux/slab.h> -#include <linux/usb.h> -#include <linux/usb/ulpi.h> - -#define HSPHY_AHBBURST 0x0090 -#define HSPHY_AHBMODE 0x0098 -#define HSPHY_GENCONFIG 0x009c -#define HSPHY_GENCONFIG_2 0x00a0 - -#define HSPHY_USBCMD 0x0140 -#define HSPHY_ULPI_VIEWPORT 0x0170 -#define HSPHY_CTRL 0x0240 - -#define HSPHY_TXFIFO_IDLE_FORCE_DIS BIT(4) -#define HSPHY_SESS_VLD_CTRL_EN BIT(7) -#define HSPHY_POR_ASSERT BIT(0) -#define HSPHY_RETEN BIT(1) - -#define HSPHY_SESS_VLD_CTRL BIT(25) - -#define ULPI_PWR_CLK_MNG_REG 0x88 -#define ULPI_PWR_OTG_COMP_DISABLE BIT(0) - -#define ULPI_MISC_A 0x96 -#define ULPI_MISC_A_VBUSVLDEXTSEL BIT(1) -#define ULPI_MISC_A_VBUSVLDEXT BIT(0) - -#define HSPHY_3P3_MIN 3050000 /* uV */ -#define HSPHY_3P3_MAX 3300000 /* uV */ - -#define HSPHY_1P8_MIN 1800000 /* uV */ -#define HSPHY_1P8_MAX 1800000 /* uV */ - -#define HSPHY_VDD_MIN 5 -#define HSPHY_VDD_MAX 7 - -struct phy_8x16 { - struct usb_phy phy; - void __iomem *regs; - struct clk *core_clk; - struct clk *iface_clk; - struct regulator_bulk_data regulator[3]; - - struct reset_control *phy_reset; - - struct gpio_desc *switch_gpio; - struct notifier_block reboot_notify; -}; - -static int phy_8x16_notify_connect(struct usb_phy *phy, - enum usb_device_speed speed) -{ - struct phy_8x16 *qphy = container_of(phy, struct phy_8x16, phy); - u32 val; - - val = ULPI_MISC_A_VBUSVLDEXTSEL | ULPI_MISC_A_VBUSVLDEXT; - usb_phy_io_write(&qphy->phy, val, ULPI_SET(ULPI_MISC_A)); - - val = readl(qphy->regs + HSPHY_USBCMD); - val |= HSPHY_SESS_VLD_CTRL; - writel(val, qphy->regs + HSPHY_USBCMD); - - return 0; -} - -static int phy_8x16_notify_disconnect(struct usb_phy *phy, - enum usb_device_speed speed) -{ - struct phy_8x16 *qphy = container_of(phy, struct phy_8x16, phy); - u32 val; - - val = ULPI_MISC_A_VBUSVLDEXT | ULPI_MISC_A_VBUSVLDEXTSEL; - usb_phy_io_write(&qphy->phy, val, ULPI_CLR(ULPI_MISC_A)); - - val = readl(qphy->regs + HSPHY_USBCMD); - val &= ~HSPHY_SESS_VLD_CTRL; - writel(val, qphy->regs + HSPHY_USBCMD); - - return 0; -} - -static int phy_8x16_vbus_on(struct phy_8x16 *qphy) -{ - phy_8x16_notify_connect(&qphy->phy, USB_SPEED_UNKNOWN); - - /* Switch D+/D- lines to Device connector */ - gpiod_set_value_cansleep(qphy->switch_gpio, 0); - - return 0; -} - -static int phy_8x16_vbus_off(struct phy_8x16 *qphy) -{ - phy_8x16_notify_disconnect(&qphy->phy, USB_SPEED_UNKNOWN); - - /* Switch D+/D- lines to USB HUB */ - gpiod_set_value_cansleep(qphy->switch_gpio, 1); - - return 0; -} - -static int phy_8x16_vbus_notify(struct notifier_block *nb, unsigned long event, - void *ptr) -{ - struct usb_phy *usb_phy = container_of(nb, struct usb_phy, vbus_nb); - struct phy_8x16 *qphy = container_of(usb_phy, struct phy_8x16, phy); - - if (event) - phy_8x16_vbus_on(qphy); - else - phy_8x16_vbus_off(qphy); - - return NOTIFY_DONE; -} - -static int phy_8x16_init(struct usb_phy *phy) -{ - struct phy_8x16 *qphy = container_of(phy, struct phy_8x16, phy); - u32 val, init[] = {0x44, 0x6B, 0x24, 0x13}; - u32 addr = ULPI_EXT_VENDOR_SPECIFIC; - int idx, state; - - for (idx = 0; idx < ARRAY_SIZE(init); idx++) - usb_phy_io_write(phy, init[idx], addr + idx); - - reset_control_reset(qphy->phy_reset); - - /* Assert USB HSPHY_POR */ - val = readl(qphy->regs + HSPHY_CTRL); - val |= HSPHY_POR_ASSERT; - writel(val, qphy->regs + HSPHY_CTRL); - - /* - * wait for minimum 10 microseconds as suggested in HPG. - * Use a slightly larger value since the exact value didn't - * work 100% of the time. - */ - usleep_range(12, 15); - - /* Deassert USB HSPHY_POR */ - val = readl(qphy->regs + HSPHY_CTRL); - val &= ~HSPHY_POR_ASSERT; - writel(val, qphy->regs + HSPHY_CTRL); - - usleep_range(10, 15); - - writel(0x00, qphy->regs + HSPHY_AHBBURST); - writel(0x08, qphy->regs + HSPHY_AHBMODE); - - /* workaround for rx buffer collision issue */ - val = readl(qphy->regs + HSPHY_GENCONFIG); - val &= ~HSPHY_TXFIFO_IDLE_FORCE_DIS; - writel(val, qphy->regs + HSPHY_GENCONFIG); - - val = readl(qphy->regs + HSPHY_GENCONFIG_2); - val |= HSPHY_SESS_VLD_CTRL_EN; - writel(val, qphy->regs + HSPHY_GENCONFIG_2); - - val = ULPI_PWR_OTG_COMP_DISABLE; - usb_phy_io_write(phy, val, ULPI_SET(ULPI_PWR_CLK_MNG_REG)); - - state = extcon_get_state(qphy->phy.edev, EXTCON_USB); - if (state) - phy_8x16_vbus_on(qphy); - else - phy_8x16_vbus_off(qphy); - - val = usb_phy_io_read(&qphy->phy, ULPI_FUNC_CTRL); - val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - val |= ULPI_FUNC_CTRL_OPMODE_NORMAL; - usb_phy_io_write(&qphy->phy, val, ULPI_FUNC_CTRL); - - return 0; -} - -static void phy_8x16_shutdown(struct usb_phy *phy) -{ - u32 val; - - /* Put the controller in non-driving mode */ - val = usb_phy_io_read(phy, ULPI_FUNC_CTRL); - val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - usb_phy_io_write(phy, val, ULPI_FUNC_CTRL); -} - -static int phy_8x16_read_devicetree(struct phy_8x16 *qphy) -{ - struct device *dev = qphy->phy.dev; - int ret; - - qphy->core_clk = devm_clk_get(dev, "core"); - if (IS_ERR(qphy->core_clk)) - return PTR_ERR(qphy->core_clk); - - qphy->iface_clk = devm_clk_get(dev, "iface"); - if (IS_ERR(qphy->iface_clk)) - return PTR_ERR(qphy->iface_clk); - - qphy->regulator[0].supply = "v3p3"; - qphy->regulator[1].supply = "v1p8"; - qphy->regulator[2].supply = "vddcx"; - - ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(qphy->regulator), - qphy->regulator); - if (ret) - return ret; - - qphy->phy_reset = devm_reset_control_get(dev, "phy"); - if (IS_ERR(qphy->phy_reset)) - return PTR_ERR(qphy->phy_reset); - - qphy->switch_gpio = devm_gpiod_get_optional(dev, "switch", - GPIOD_OUT_LOW); - return PTR_ERR_OR_ZERO(qphy->switch_gpio); -} - -static int phy_8x16_reboot_notify(struct notifier_block *this, - unsigned long code, void *unused) -{ - struct phy_8x16 *qphy; - - qphy = container_of(this, struct phy_8x16, reboot_notify); - - /* - * Ensure that D+/D- lines are routed to uB connector, so - * we could load bootloader/kernel at next reboot_notify - */ - gpiod_set_value_cansleep(qphy->switch_gpio, 0); - return NOTIFY_DONE; -} - -static int phy_8x16_probe(struct platform_device *pdev) -{ - struct phy_8x16 *qphy; - struct resource *res; - struct usb_phy *phy; - int ret; - - qphy = devm_kzalloc(&pdev->dev, sizeof(*qphy), GFP_KERNEL); - if (!qphy) - return -ENOMEM; - - platform_set_drvdata(pdev, qphy); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - qphy->regs = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(qphy->regs)) - return PTR_ERR(qphy->regs); - - phy = &qphy->phy; - phy->dev = &pdev->dev; - phy->label = dev_name(&pdev->dev); - phy->init = phy_8x16_init; - phy->shutdown = phy_8x16_shutdown; - phy->notify_connect = phy_8x16_notify_connect; - phy->notify_disconnect = phy_8x16_notify_disconnect; - phy->io_priv = qphy->regs + HSPHY_ULPI_VIEWPORT; - phy->io_ops = &ulpi_viewport_access_ops; - phy->type = USB_PHY_TYPE_USB2; - phy->vbus_nb.notifier_call = phy_8x16_vbus_notify; - phy->id_nb.notifier_call = NULL; - - ret = phy_8x16_read_devicetree(qphy); - if (ret < 0) - return ret; - - ret = clk_set_rate(qphy->core_clk, INT_MAX); - if (ret < 0) - dev_dbg(phy->dev, "Can't boost core clock\n"); - - ret = clk_prepare_enable(qphy->core_clk); - if (ret < 0) - return ret; - - ret = clk_prepare_enable(qphy->iface_clk); - if (ret < 0) - goto off_core; - - ret = regulator_bulk_enable(ARRAY_SIZE(qphy->regulator), - qphy->regulator); - if (WARN_ON(ret)) - goto off_clks; - - ret = usb_add_phy_dev(&qphy->phy); - if (ret) - goto off_power; - - qphy->reboot_notify.notifier_call = phy_8x16_reboot_notify; - register_reboot_notifier(&qphy->reboot_notify); - - return 0; - -off_power: - regulator_bulk_disable(ARRAY_SIZE(qphy->regulator), qphy->regulator); -off_clks: - clk_disable_unprepare(qphy->iface_clk); -off_core: - clk_disable_unprepare(qphy->core_clk); - return ret; -} - -static int phy_8x16_remove(struct platform_device *pdev) -{ - struct phy_8x16 *qphy = platform_get_drvdata(pdev); - - unregister_reboot_notifier(&qphy->reboot_notify); - - /* - * Ensure that D+/D- lines are routed to uB connector, so - * we could load bootloader/kernel at next reboot_notify - */ - gpiod_set_value_cansleep(qphy->switch_gpio, 0); - - usb_remove_phy(&qphy->phy); - - clk_disable_unprepare(qphy->iface_clk); - clk_disable_unprepare(qphy->core_clk); - regulator_bulk_disable(ARRAY_SIZE(qphy->regulator), qphy->regulator); - return 0; -} - -static const struct of_device_id phy_8x16_dt_match[] = { - { .compatible = "qcom,usb-8x16-phy" }, - { } -}; -MODULE_DEVICE_TABLE(of, phy_8x16_dt_match); - -static struct platform_driver phy_8x16_driver = { - .probe = phy_8x16_probe, - .remove = phy_8x16_remove, - .driver = { - .name = "phy-qcom-8x16-usb", - .of_match_table = phy_8x16_dt_match, - }, -}; -module_platform_driver(phy_8x16_driver); - -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("Qualcomm APQ8016/MSM8916 chipsets USB transceiver driver"); diff --git a/drivers/usb/phy/phy-tahvo.c b/drivers/usb/phy/phy-tahvo.c index 8babd318c0ed..b3ce42edb373 100644 --- a/drivers/usb/phy/phy-tahvo.c +++ b/drivers/usb/phy/phy-tahvo.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Tahvo USB transceiver driver * @@ -9,21 +10,12 @@ * * Original driver written by Juha Yrjölä, Tony Lindgren and Timo Teräs. * Modified for Retu/Tahvo MFD by Aaro Koskinen. - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file "COPYING" in the main directory of this - * archive for more details. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/io.h> #include <linux/clk.h> #include <linux/usb.h> -#include <linux/extcon.h> +#include <linux/extcon-provider.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/usb/otg.h> @@ -368,7 +360,8 @@ static int tahvo_usb_probe(struct platform_device *pdev) tu->extcon = devm_extcon_dev_allocate(&pdev->dev, tahvo_cable); if (IS_ERR(tu->extcon)) { dev_err(&pdev->dev, "failed to allocate memory for extcon\n"); - return -ENOMEM; + ret = PTR_ERR(tu->extcon); + goto err_disable_clk; } ret = devm_extcon_dev_register(&pdev->dev, tu->extcon); diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index ccc2bf5274b4..f668bfb708d3 100644 --- a/drivers/usb/phy/phy-tegra-usb.c +++ b/drivers/usb/phy/phy-tegra-usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2010 Google, Inc. * Copyright (C) 2013 NVIDIA Corporation @@ -6,16 +7,6 @@ * Erik Gilling <konkers@google.com> * Benoit Goby <benoit@android.com> * Venu Byravarasu <vbyravarasu@nvidia.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/resource.h> diff --git a/drivers/usb/phy/phy-twl6030-usb.c b/drivers/usb/phy/phy-twl6030-usb.c index b5dc077ed7d3..e78ed52339e6 100644 --- a/drivers/usb/phy/phy-twl6030-usb.c +++ b/drivers/usb/phy/phy-twl6030-usb.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * twl6030_usb - TWL6030 USB transceiver, talking to OMAP OTG driver. * * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. * * Author: Hema HK <hemahk@ti.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * */ #include <linux/module.h> diff --git a/drivers/usb/phy/phy-ulpi-viewport.c b/drivers/usb/phy/phy-ulpi-viewport.c index 18bb8264b5a0..7a14e0e3b635 100644 --- a/drivers/usb/phy/phy-ulpi-viewport.c +++ b/drivers/usb/phy/phy-ulpi-viewport.c @@ -1,15 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2011 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/export.h> diff --git a/drivers/usb/phy/phy-ulpi.c b/drivers/usb/phy/phy-ulpi.c index f48a7a21e3c2..a43c49369a60 100644 --- a/drivers/usb/phy/phy-ulpi.c +++ b/drivers/usb/phy/phy-ulpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Generic ULPI USB transceiver support * @@ -7,20 +8,6 @@ * * Sascha Hauer <s.hauer@pengutronix.de> * Freescale Semiconductors - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 89f4ac4cd93e..f97cb47577fc 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * phy.c -- USB phy handling * * Copyright (C) 2004-2013 Texas Instruments - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> #include <linux/export.h> diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index f0ce304c5aaf..56079bb6759a 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/err.h> #include <linux/gpio.h> @@ -486,6 +477,10 @@ static const struct of_device_id usbhs_of_match[] = { .data = (void *)USBHS_TYPE_RCAR_GEN3, }, { + .compatible = "renesas,usbhs-r8a77995", + .data = (void *)USBHS_TYPE_RCAR_GEN3_WITH_PLL, + }, + { .compatible = "renesas,rcar-gen2-usbhs", .data = (void *)USBHS_TYPE_RCAR_GEN2, }, @@ -501,7 +496,6 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) { struct renesas_usbhs_platform_info *info; struct renesas_usbhs_driver_param *dparam; - const struct of_device_id *of_id = of_match_device(usbhs_of_match, dev); u32 tmp; int gpio; @@ -510,7 +504,7 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) return NULL; dparam = &info->driver_param; - dparam->type = of_id ? (uintptr_t)of_id->data : 0; + dparam->type = (uintptr_t)of_device_get_match_data(dev); if (!of_property_read_u32(dev->of_node, "renesas,buswait", &tmp)) dparam->buswait_bwait = tmp; gpio = of_get_named_gpio_flags(dev->of_node, "renesas,enable-gpio", 0, @@ -519,15 +513,19 @@ static struct renesas_usbhs_platform_info *usbhs_parse_dt(struct device *dev) dparam->enable_gpio = gpio; if (dparam->type == USBHS_TYPE_RCAR_GEN2 || - dparam->type == USBHS_TYPE_RCAR_GEN3) + dparam->type == USBHS_TYPE_RCAR_GEN3 || + dparam->type == USBHS_TYPE_RCAR_GEN3_WITH_PLL) { dparam->has_usb_dmac = 1; + dparam->pipe_configs = usbhsc_new_pipe; + dparam->pipe_size = ARRAY_SIZE(usbhsc_new_pipe); + } return info; } static int usbhs_probe(struct platform_device *pdev) { - struct renesas_usbhs_platform_info *info = dev_get_platdata(&pdev->dev); + struct renesas_usbhs_platform_info *info = renesas_usbhs_get_info(pdev); struct renesas_usbhs_driver_callback *dfunc; struct usbhs_priv *priv; struct resource *res, *irq_res; @@ -577,17 +575,12 @@ static int usbhs_probe(struct platform_device *pdev) switch (priv->dparam.type) { case USBHS_TYPE_RCAR_GEN2: priv->pfunc = usbhs_rcar2_ops; - if (!priv->dparam.pipe_configs) { - priv->dparam.pipe_configs = usbhsc_new_pipe; - priv->dparam.pipe_size = ARRAY_SIZE(usbhsc_new_pipe); - } break; case USBHS_TYPE_RCAR_GEN3: priv->pfunc = usbhs_rcar3_ops; - if (!priv->dparam.pipe_configs) { - priv->dparam.pipe_configs = usbhsc_new_pipe; - priv->dparam.pipe_size = ARRAY_SIZE(usbhsc_new_pipe); - } + break; + case USBHS_TYPE_RCAR_GEN3_WITH_PLL: + priv->pfunc = usbhs_rcar3_with_pll_ops; break; default: if (!info->platform_callback.get_id) { @@ -710,7 +703,7 @@ probe_end_pipe_exit: static int usbhs_remove(struct platform_device *pdev) { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); - struct renesas_usbhs_platform_info *info = dev_get_platdata(&pdev->dev); + struct renesas_usbhs_platform_info *info = renesas_usbhs_get_info(pdev); struct renesas_usbhs_driver_callback *dfunc = &info->driver_callback; dev_dbg(&pdev->dev, "usb remove\n"); diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index 8c5fc12ad778..64797784a6df 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_DRIVER_H #define RENESAS_USB_DRIVER_H diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 50285b01da92..2d24ef3076ef 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/delay.h> #include <linux/io.h> diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index 8b98507d7abc..88d1816bcda2 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_FIFO_H #define RENESAS_USB_FIFO_H diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index 28965ef4f824..7475c4f64724 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/interrupt.h> diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h index 1ef5bf604070..a4a61d6b82a1 100644 --- a/drivers/usb/renesas_usbhs/mod.h +++ b/drivers/usb/renesas_usbhs/mod.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_MOD_H #define RENESAS_USB_MOD_H diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index c068b673420b..34ee9ebe12a3 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/delay.h> #include <linux/dma-mapping.h> diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index e256351cb72d..4e59c649db81 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/io.h> #include <linux/list.h> diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index d811f0550c04..093cd8e87335 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #include <linux/delay.h> #include <linux/slab.h> diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 95185fdb29b1..d3d002244891 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * */ #ifndef RENESAS_USB_PIPE_H #define RENESAS_USB_PIPE_H diff --git a/drivers/usb/renesas_usbhs/rcar2.c b/drivers/usb/renesas_usbhs/rcar2.c index 277160bc6f25..85a0e0933917 100644 --- a/drivers/usb/renesas_usbhs/rcar2.c +++ b/drivers/usb/renesas_usbhs/rcar2.c @@ -1,13 +1,8 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver R-Car Gen. 2 initialization and power control * * Copyright (C) 2014 Ulrich Hecht - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/gpio.h> diff --git a/drivers/usb/renesas_usbhs/rcar2.h b/drivers/usb/renesas_usbhs/rcar2.h index f07f10d9b3b2..45e3526cedeb 100644 --- a/drivers/usb/renesas_usbhs/rcar2.h +++ b/drivers/usb/renesas_usbhs/rcar2.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "common.h" extern const struct renesas_usbhs_platform_callback diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c index 02b67abfc2a1..c929d296c77b 100644 --- a/drivers/usb/renesas_usbhs/rcar3.c +++ b/drivers/usb/renesas_usbhs/rcar3.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas USB driver R-Car Gen. 3 initialization and power control * * Copyright (C) 2016 Renesas Electronics Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/delay.h> @@ -15,24 +11,39 @@ #include "rcar3.h" #define LPSTS 0x102 +#define UGCTRL 0x180 /* 32-bit register */ #define UGCTRL2 0x184 /* 32-bit register */ +#define UGSTS 0x188 /* 32-bit register */ /* Low Power Status register (LPSTS) */ #define LPSTS_SUSPM 0x4000 +/* R-Car D3 only: USB General control register (UGCTRL) */ +#define UGCTRL_PLLRESET 0x00000001 +#define UGCTRL_CONNECT 0x00000004 + /* * USB General control register 2 (UGCTRL2) * Remarks: bit[31:11] and bit[9:6] should be 0 */ #define UGCTRL2_RESERVED_3 0x00000001 /* bit[3:0] should be B'0001 */ +#define UGCTRL2_USB0SEL_HSUSB 0x00000020 #define UGCTRL2_USB0SEL_OTG 0x00000030 #define UGCTRL2_VBUSSEL 0x00000400 +/* R-Car D3 only: USB General status register (UGSTS) */ +#define UGSTS_LOCK 0x00000100 + static void usbhs_write32(struct usbhs_priv *priv, u32 reg, u32 data) { iowrite32(data, priv->base + reg); } +static u32 usbhs_read32(struct usbhs_priv *priv, u32 reg) +{ + return ioread32(priv->base + reg); +} + static int usbhs_rcar3_power_ctrl(struct platform_device *pdev, void __iomem *base, int enable) { @@ -52,6 +63,34 @@ static int usbhs_rcar3_power_ctrl(struct platform_device *pdev, return 0; } +/* R-Car D3 needs to release UGCTRL.PLLRESET */ +static int usbhs_rcar3_power_and_pll_ctrl(struct platform_device *pdev, + void __iomem *base, int enable) +{ + struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); + u32 val; + int timeout = 1000; + + if (enable) { + usbhs_write32(priv, UGCTRL, 0); /* release PLLRESET */ + usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | + UGCTRL2_USB0SEL_HSUSB); + + usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM); + do { + val = usbhs_read32(priv, UGSTS); + udelay(1); + } while (!(val & UGSTS_LOCK) && timeout--); + usbhs_write32(priv, UGCTRL, UGCTRL_CONNECT); + } else { + usbhs_write32(priv, UGCTRL, 0); + usbhs_bset(priv, LPSTS, LPSTS_SUSPM, 0); + usbhs_write32(priv, UGCTRL, UGCTRL_PLLRESET); + } + + return 0; +} + static int usbhs_rcar3_get_id(struct platform_device *pdev) { return USBHS_GADGET; @@ -61,3 +100,8 @@ const struct renesas_usbhs_platform_callback usbhs_rcar3_ops = { .power_ctrl = usbhs_rcar3_power_ctrl, .get_id = usbhs_rcar3_get_id, }; + +const struct renesas_usbhs_platform_callback usbhs_rcar3_with_pll_ops = { + .power_ctrl = usbhs_rcar3_power_and_pll_ctrl, + .get_id = usbhs_rcar3_get_id, +}; diff --git a/drivers/usb/renesas_usbhs/rcar3.h b/drivers/usb/renesas_usbhs/rcar3.h index 5f850b23ff18..49e535a31771 100644 --- a/drivers/usb/renesas_usbhs/rcar3.h +++ b/drivers/usb/renesas_usbhs/rcar3.h @@ -1,3 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 #include "common.h" extern const struct renesas_usbhs_platform_callback usbhs_rcar3_ops; +extern const struct renesas_usbhs_platform_callback usbhs_rcar3_with_pll_ops; diff --git a/drivers/usb/serial/Makefile-keyspan_pda_fw b/drivers/usb/serial/Makefile-keyspan_pda_fw index c20baf728011..503b472d85f2 100644 --- a/drivers/usb/serial/Makefile-keyspan_pda_fw +++ b/drivers/usb/serial/Makefile-keyspan_pda_fw @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # some rules to handle the quirks of the 'as31' assembler, like # insisting upon fixed suffixes for the input and output files, diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index 569c2200ba42..84d52953dd0a 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * AIRcable USB Bluetooth Dongle Driver. * * Copyright (C) 2010 Johan Hovold <jhovold@gmail.com> * Copyright (C) 2006 Manuel Francisco Naranjo (naranjo.manuel@gmail.com) * - * This program is free software; you can redistribute it and/or modify it under - * the terms of the GNU General Public License version 2 as published by the - * Free Software Foundation. - * * The device works as an standard CDC device, it has 2 interfaces, the first * one is for firmware access and the second is the serial one. * The protocol is very simply, there are two possibilities reading or writing. @@ -161,4 +158,4 @@ module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 0adbd38b4eea..3c544782f60b 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2009 by Bart Hartgers (bart.hartgers+ark3116@gmail.com) * Original version: @@ -15,11 +16,6 @@ * into the old ark3116.c driver and suddenly realized the ark3116 is * a 16450 with a USB interface glued to it. See comments at the * bottom of this file. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c index 15bc71853db5..c1235d5b9fba 100644 --- a/drivers/usb/serial/belkin_sa.c +++ b/drivers/usb/serial/belkin_sa.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Belkin USB Serial Adapter Driver * @@ -9,11 +10,6 @@ * and associated source files. Please see the usb/serial files for * individual credits and copyrights. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * diff --git a/drivers/usb/serial/belkin_sa.h b/drivers/usb/serial/belkin_sa.h index c74b58ab56f9..51bc06287603 100644 --- a/drivers/usb/serial/belkin_sa.h +++ b/drivers/usb/serial/belkin_sa.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Definitions for Belkin USB Serial Adapter Driver * @@ -8,11 +9,6 @@ * and associated source files. Please see the usb/serial files for * individual credits and copyrights. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c index 8936a83c96cd..9e265eb92611 100644 --- a/drivers/usb/serial/bus.c +++ b/drivers/usb/serial/bus.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Serial Converter Bus specific functions * * Copyright (C) 2002 Greg Kroah-Hartman (greg@kroah.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 351745aec0e1..bdd7a5ad3bf1 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright 2007, Frank A Kingswood <frank@kingswood-consulting.co.uk> * Copyright 2007, Werner Cornelius <werner@cornelius-consult.de> @@ -9,10 +10,6 @@ * serial port, an IEEE-1284 parallel printer port or a memory-like * interface. In all cases the CH341 supports an I2C interface as well. * This driver only supports the asynchronous serial interface. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -644,4 +641,4 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c index 43a862a90a77..17940589c647 100644 --- a/drivers/usb/serial/console.c +++ b/drivers/usb/serial/console.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Serial Console driver * * Copyright (C) 2001 - 2002 Greg Kroah-Hartman (greg@kroah.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * * Thanks to Randy Dunlap for the original version of this code. * */ diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 412f812522ee..7c6273bf5beb 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Silicon Laboratories CP210x USB to RS232 serial adaptor driver * * Copyright (C) 2005 Craig Shelley (craig@microtron.org.uk) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * * Support to set flow control line levels using TIOCMGET and TIOCMSET * thanks to Karl Hiramoto karl@hiramoto.org. RTSCTS hardware flow * control thanks to Munir Nassar nassarmu@real-time.com @@ -1529,4 +1526,4 @@ static void cp210x_release(struct usb_serial *serial) module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 47fbd9f0c0c7..dc67a2eb98d7 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * REINER SCT cyberJack pinpad/e-com USB Chipcard Reader Driver * @@ -10,11 +11,6 @@ * and associated source files. Please see the usb/serial files for * individual credits and copyrights. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and * patience. * diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 90110de715e0..e0035c023120 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Cypress M8 driver * @@ -6,11 +7,6 @@ * Copyright (C) 2003,2004 * Neil Whelchel (koyama@firstlight.net) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 2ce39af32cfa..b0526786fb02 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Digi AccelePort USB-4 and USB-2 Serial Converters * * Copyright 2000 by Digi International * -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or -* (at your option) any later version. -* * Shamelessly based on Brian Warner's keyspan_pda.c and Greg Kroah-Hartman's * usb-serial driver. * diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index 90e603d5f660..d680bec62547 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Empeg empeg-car player driver * @@ -7,10 +8,6 @@ * Copyright (C) 1999 - 2001 * Greg Kroah-Hartman (greg@kroah.com) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, as published by - * the Free Software Foundation, version 2. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver */ @@ -126,4 +123,4 @@ module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c index 972f5a5fe577..96036f87b1de 100644 --- a/drivers/usb/serial/f81232.c +++ b/drivers/usb/serial/f81232.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Fintek F81232 USB to serial adaptor driver * * Copyright (C) 2012 Greg Kroah-Hartman (gregkh@linuxfoundation.org) * Copyright (C) 2012 Linux Foundation - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * */ #include <linux/kernel.h> diff --git a/drivers/usb/serial/f81534.c b/drivers/usb/serial/f81534.c index 3d616a2a9f96..e4573b4c8935 100644 --- a/drivers/usb/serial/f81534.c +++ b/drivers/usb/serial/f81534.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * F81532/F81534 USB to Serial Ports Bridge * * F81532 => 2 Serial Ports * F81534 => 4 Serial Ports * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Copyright (C) 2016 Feature Integration Technology Inc., (Fintek) * Copyright (C) 2016 Tom Tsai (Tom_Tsai@fintek.com.tw) * Copyright (C) 2016 Peter Hong (Peter_Hong@fintek.com.tw) @@ -39,9 +35,11 @@ #define F81534_UART_OFFSET 0x10 #define F81534_DIVISOR_LSB_REG (0x00 + F81534_UART_BASE_ADDRESS) #define F81534_DIVISOR_MSB_REG (0x01 + F81534_UART_BASE_ADDRESS) +#define F81534_INTERRUPT_ENABLE_REG (0x01 + F81534_UART_BASE_ADDRESS) #define F81534_FIFO_CONTROL_REG (0x02 + F81534_UART_BASE_ADDRESS) #define F81534_LINE_CONTROL_REG (0x03 + F81534_UART_BASE_ADDRESS) #define F81534_MODEM_CONTROL_REG (0x04 + F81534_UART_BASE_ADDRESS) +#define F81534_LINE_STATUS_REG (0x05 + F81534_UART_BASE_ADDRESS) #define F81534_MODEM_STATUS_REG (0x06 + F81534_UART_BASE_ADDRESS) #define F81534_CONFIG1_REG (0x09 + F81534_UART_BASE_ADDRESS) @@ -126,9 +124,13 @@ struct f81534_serial_private { struct f81534_port_private { struct mutex mcr_mutex; + struct mutex lcr_mutex; + struct work_struct lsr_work; + struct usb_serial_port *port; unsigned long tx_empty; spinlock_t msr_lock; u8 shadow_mcr; + u8 shadow_lcr; u8 shadow_msr; u8 phy_num; }; @@ -461,6 +463,7 @@ static u32 f81534_calc_baud_divisor(u32 baudrate, u32 clockrate) static int f81534_set_port_config(struct usb_serial_port *port, u32 baudrate, u8 lcr) { + struct f81534_port_private *port_priv = usb_get_serial_port_data(port); u32 divisor; int status; u8 value; @@ -489,35 +492,65 @@ static int f81534_set_port_config(struct usb_serial_port *port, u32 baudrate, } divisor = f81534_calc_baud_divisor(baudrate, F81534_MAX_BAUDRATE); + + mutex_lock(&port_priv->lcr_mutex); + value = UART_LCR_DLAB; status = f81534_set_port_register(port, F81534_LINE_CONTROL_REG, value); if (status) { dev_err(&port->dev, "%s: set LCR failed\n", __func__); - return status; + goto out_unlock; } value = divisor & 0xff; status = f81534_set_port_register(port, F81534_DIVISOR_LSB_REG, value); if (status) { dev_err(&port->dev, "%s: set DLAB LSB failed\n", __func__); - return status; + goto out_unlock; } value = (divisor >> 8) & 0xff; status = f81534_set_port_register(port, F81534_DIVISOR_MSB_REG, value); if (status) { dev_err(&port->dev, "%s: set DLAB MSB failed\n", __func__); - return status; + goto out_unlock; } - status = f81534_set_port_register(port, F81534_LINE_CONTROL_REG, lcr); + value = lcr | (port_priv->shadow_lcr & UART_LCR_SBC); + status = f81534_set_port_register(port, F81534_LINE_CONTROL_REG, + value); if (status) { dev_err(&port->dev, "%s: set LCR failed\n", __func__); - return status; + goto out_unlock; } - return 0; + port_priv->shadow_lcr = value; +out_unlock: + mutex_unlock(&port_priv->lcr_mutex); + + return status; +} + +static void f81534_break_ctl(struct tty_struct *tty, int break_state) +{ + struct usb_serial_port *port = tty->driver_data; + struct f81534_port_private *port_priv = usb_get_serial_port_data(port); + int status; + + mutex_lock(&port_priv->lcr_mutex); + + if (break_state) + port_priv->shadow_lcr |= UART_LCR_SBC; + else + port_priv->shadow_lcr &= ~UART_LCR_SBC; + + status = f81534_set_port_register(port, F81534_LINE_CONTROL_REG, + port_priv->shadow_lcr); + if (status) + dev_err(&port->dev, "set break failed: %d\n", status); + + mutex_unlock(&port_priv->lcr_mutex); } static int f81534_update_mctrl(struct usb_serial_port *port, unsigned int set, @@ -1015,6 +1048,8 @@ static void f81534_process_per_serial_block(struct usb_serial_port *port, tty_insert_flip_char(&port->port, 0, TTY_OVERRUN); } + + schedule_work(&port_priv->lsr_work); } if (port->port.console && port->sysrq) { @@ -1162,6 +1197,21 @@ static int f81534_attach(struct usb_serial *serial) return 0; } +static void f81534_lsr_worker(struct work_struct *work) +{ + struct f81534_port_private *port_priv; + struct usb_serial_port *port; + int status; + u8 tmp; + + port_priv = container_of(work, struct f81534_port_private, lsr_work); + port = port_priv->port; + + status = f81534_get_port_register(port, F81534_LINE_STATUS_REG, &tmp); + if (status) + dev_warn(&port->dev, "read LSR failed: %d\n", status); +} + static int f81534_port_probe(struct usb_serial_port *port) { struct f81534_port_private *port_priv; @@ -1173,6 +1223,8 @@ static int f81534_port_probe(struct usb_serial_port *port) spin_lock_init(&port_priv->msr_lock); mutex_init(&port_priv->mcr_mutex); + mutex_init(&port_priv->lcr_mutex); + INIT_WORK(&port_priv->lsr_work, f81534_lsr_worker); /* Assign logic-to-phy mapping */ ret = f81534_logic_to_phy_port(port->serial, port); @@ -1180,10 +1232,30 @@ static int f81534_port_probe(struct usb_serial_port *port) return ret; port_priv->phy_num = ret; + port_priv->port = port; usb_set_serial_port_data(port, port_priv); dev_dbg(&port->dev, "%s: port_number: %d, phy_num: %d\n", __func__, port->port_number, port_priv->phy_num); + /* + * The F81532/534 will hang-up when enable LSR interrupt in IER and + * occur data overrun. So we'll disable the LSR interrupt in probe() + * and submit the LSR worker to clear LSR state when reported LSR error + * bit with bulk-in data in f81534_process_per_serial_block(). + */ + ret = f81534_set_port_register(port, F81534_INTERRUPT_ENABLE_REG, + UART_IER_RDI | UART_IER_THRI | UART_IER_MSI); + if (ret) + return ret; + + return 0; +} + +static int f81534_port_remove(struct usb_serial_port *port) +{ + struct f81534_port_private *port_priv = usb_get_serial_port_data(port); + + flush_work(&port_priv->lsr_work); return 0; } @@ -1317,6 +1389,8 @@ static struct usb_serial_driver f81534_device = { .calc_num_ports = f81534_calc_num_ports, .attach = f81534_attach, .port_probe = f81534_port_probe, + .port_remove = f81534_port_remove, + .break_ctl = f81534_break_ctl, .dtr_rts = f81534_dtr_rts, .process_read_urb = f81534_process_read_urb, .ioctl = f81534_ioctl, diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 49d1b2d4606d..1aba9105b369 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB FTDI SIO driver * @@ -9,11 +10,6 @@ * Copyright (C) 2002 * Kuba Ober (kuba@mareimbrium.org) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index b2f2e87aed94..633550ec3025 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Garmin GPS driver * @@ -7,20 +8,6 @@ * http://sourceforge.net/projects/garmin-gps/ * * This driver has been derived from v2.1 of the visor driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111 USA */ #include <linux/kernel.h> @@ -138,6 +125,7 @@ struct garmin_data { __u8 privpkt[4*6]; spinlock_t lock; struct list_head pktlist; + struct usb_anchor write_urbs; }; @@ -875,42 +863,38 @@ static int garmin_clear(struct garmin_data *garmin_data_p) static int garmin_init_session(struct usb_serial_port *port) { - struct usb_serial *serial = port->serial; struct garmin_data *garmin_data_p = usb_get_serial_port_data(port); - int status = 0; - int i = 0; + int status; + int i; - if (status == 0) { - usb_kill_urb(port->interrupt_in_urb); + usb_kill_urb(port->interrupt_in_urb); - dev_dbg(&serial->dev->dev, "%s - adding interrupt input\n", __func__); - status = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); - if (status) - dev_err(&serial->dev->dev, - "%s - failed submitting interrupt urb, error %d\n", - __func__, status); + status = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); + if (status) { + dev_err(&port->dev, "failed to submit interrupt urb: %d\n", + status); + return status; } /* * using the initialization method from gpsbabel. See comments in * gpsbabel/jeeps/gpslibusb.c gusb_reset_toggles() */ - if (status == 0) { - dev_dbg(&serial->dev->dev, "%s - starting session ...\n", __func__); - garmin_data_p->state = STATE_ACTIVE; + dev_dbg(&port->dev, "%s - starting session ...\n", __func__); + garmin_data_p->state = STATE_ACTIVE; - for (i = 0; i < 3; i++) { - status = garmin_write_bulk(port, - GARMIN_START_SESSION_REQ, - sizeof(GARMIN_START_SESSION_REQ), 0); + for (i = 0; i < 3; i++) { + status = garmin_write_bulk(port, GARMIN_START_SESSION_REQ, + sizeof(GARMIN_START_SESSION_REQ), 0); + if (status < 0) + goto err_kill_urbs; + } - if (status < 0) - break; - } + return 0; - if (status > 0) - status = 0; - } +err_kill_urbs: + usb_kill_anchored_urbs(&garmin_data_p->write_urbs); + usb_kill_urb(port->interrupt_in_urb); return status; } @@ -930,7 +914,6 @@ static int garmin_open(struct tty_struct *tty, struct usb_serial_port *port) spin_unlock_irqrestore(&garmin_data_p->lock, flags); /* shutdown any bulk reads that might be going on */ - usb_kill_urb(port->write_urb); usb_kill_urb(port->read_urb); if (garmin_data_p->state == STATE_RESET) @@ -953,7 +936,7 @@ static void garmin_close(struct usb_serial_port *port) /* shutdown our urbs */ usb_kill_urb(port->read_urb); - usb_kill_urb(port->write_urb); + usb_kill_anchored_urbs(&garmin_data_p->write_urbs); /* keep reset state so we know that we must start a new session */ if (garmin_data_p->state != STATE_RESET) @@ -1037,12 +1020,14 @@ static int garmin_write_bulk(struct usb_serial_port *port, } /* send it down the pipe */ + usb_anchor_urb(urb, &garmin_data_p->write_urbs); status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { dev_err(&port->dev, "%s - usb_submit_urb(write bulk) failed with status = %d\n", __func__, status); count = status; + usb_unanchor_urb(urb); kfree(buffer); } @@ -1370,9 +1355,9 @@ static void garmin_unthrottle(struct tty_struct *tty) * the tty in cases where the protocol provides no own handshaking * to initiate the transfer. */ -static void timeout_handler(unsigned long data) +static void timeout_handler(struct timer_list *t) { - struct garmin_data *garmin_data_p = (struct garmin_data *) data; + struct garmin_data *garmin_data_p = from_timer(garmin_data_p, t, timer); /* send the next queued packet to the tty port */ if (garmin_data_p->mode == MODE_NATIVE) @@ -1391,19 +1376,23 @@ static int garmin_port_probe(struct usb_serial_port *port) if (!garmin_data_p) return -ENOMEM; - init_timer(&garmin_data_p->timer); + timer_setup(&garmin_data_p->timer, timeout_handler, 0); spin_lock_init(&garmin_data_p->lock); INIT_LIST_HEAD(&garmin_data_p->pktlist); - /* garmin_data_p->timer.expires = jiffies + session_timeout; */ - garmin_data_p->timer.data = (unsigned long)garmin_data_p; - garmin_data_p->timer.function = timeout_handler; garmin_data_p->port = port; garmin_data_p->state = 0; garmin_data_p->flags = 0; garmin_data_p->count = 0; + init_usb_anchor(&garmin_data_p->write_urbs); usb_set_serial_port_data(port, garmin_data_p); status = garmin_init_session(port); + if (status) + goto err_free; + + return 0; +err_free: + kfree(garmin_data_p); return status; } @@ -1413,6 +1402,7 @@ static int garmin_port_remove(struct usb_serial_port *port) { struct garmin_data *garmin_data_p = usb_get_serial_port_data(port); + usb_kill_anchored_urbs(&garmin_data_p->write_urbs); usb_kill_urb(port->interrupt_in_urb); del_timer_sync(&garmin_data_p->timer); kfree(garmin_data_p); diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 35cb8c0e584f..2274d9625f63 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Serial Converter Generic functions * * Copyright (C) 2010 - 2013 Johan Hovold (jhovold@gmail.com) * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/usb/serial/io_16654.h b/drivers/usb/serial/io_16654.h index a53abc9530ff..4980f72dc56f 100644 --- a/drivers/usb/serial/io_16654.h +++ b/drivers/usb/serial/io_16654.h @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * * 16654.H Definitions for 16C654 UART used on EdgePorts * * Copyright (C) 1998 Inside Out Networks, Inc. - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. * ************************************************************************/ diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index bdf8bd814a9a..219265ce3711 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Edgeport USB Serial Converter driver * * Copyright (C) 2000 Inside Out Networks, All rights reserved. * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Supports the following devices: * Edgeport/4 * Edgeport/4t diff --git a/drivers/usb/serial/io_edgeport.h b/drivers/usb/serial/io_edgeport.h index ad9c1d47a619..2e7fedbaf2ff 100644 --- a/drivers/usb/serial/io_edgeport.h +++ b/drivers/usb/serial/io_edgeport.h @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * * io_edgeport.h Edgeport Linux Interface definitions * * Copyright (C) 2000 Inside Out Networks, Inc. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * ************************************************************************/ #if !defined(_IO_EDGEPORT_H_) diff --git a/drivers/usb/serial/io_ionsp.h b/drivers/usb/serial/io_ionsp.h index 5cc591bae54d..4b8e4823bd45 100644 --- a/drivers/usb/serial/io_ionsp.h +++ b/drivers/usb/serial/io_ionsp.h @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * * IONSP.H Definitions for I/O Networks Serial Protocol * * Copyright (C) 1997-1998 Inside Out Networks, Inc. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * These definitions are used by both kernel-mode driver and the * peripheral firmware and MUST be kept in sync. * diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 6cefb9cb133d..0fbadb37c104 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Edgeport USB Serial Converter driver * * Copyright (C) 2000-2002 Inside Out Networks, All rights reserved. * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Supports the following devices: * EP/1 EP/2 EP/4 EP/21 EP/22 EP/221 EP/42 EP/421 WATCHPORT * diff --git a/drivers/usb/serial/io_ti.h b/drivers/usb/serial/io_ti.h index 1bd67b24f916..e53c68261017 100644 --- a/drivers/usb/serial/io_ti.h +++ b/drivers/usb/serial/io_ti.h @@ -1,13 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /***************************************************************************** * * Copyright (C) 1997-2002 Inside Out Networks, Inc. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * * Feb-16-2001 DMI Added I2C structure definitions * May-29-2002 gkh Ported to Linux * diff --git a/drivers/usb/serial/io_usbvend.h b/drivers/usb/serial/io_usbvend.h index 6f6a856bc37c..c38e87ac5ea9 100644 --- a/drivers/usb/serial/io_usbvend.h +++ b/drivers/usb/serial/io_usbvend.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * * USBVEND.H Vendor-specific USB definitions @@ -8,10 +9,6 @@ ************************************************************************ * * Copyright (C) 1998 Inside Out Networks, Inc. - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. * ************************************************************************/ diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index cde0dcdce9c4..f81746c3c26c 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Compaq iPAQ driver * * Copyright (C) 2001 - 2002 * Ganesh Varadarajan <ganesh@veritas.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 8b1cf18a668b..d04c7cc5c1c2 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * IPWireless 3G UMTS TDD Modem driver (USB connected) * * Copyright (C) 2004 Roelf Diedericks <roelfd@inet.co.za> * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * All information about the device was acquired using SnoopyPro * on MSFT's O/S, and examing the MSFT drivers' debug output * (insanely left _on_ in the enduser version) diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index f9734a96d516..24b06c7e5e2d 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB IR Dongle driver * @@ -5,11 +6,6 @@ * Copyright (C) 2002 Gary Brubaker (xavyer@ix.netcom.com) * Copyright (C) 2010 Johan Hovold (jhovold@gmail.com) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * This driver allows a USB IrDA device to be used as a "dumb" serial device. * This can be useful if you do not have access to a full IrDA stack on the * other side of the connection. If you do have an IrDA stack on both devices, diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 18fc992a245f..397a8012ffa3 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Infinity Unlimited USB Phoenix driver * @@ -7,13 +8,7 @@ * * Original code taken from iuutool (Copyright (C) 2006 Juan Carlos Borrás) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * And tested with help of WB Electronics - * */ #include <linux/kernel.h> #include <linux/errno.h> diff --git a/drivers/usb/serial/iuu_phoenix.h b/drivers/usb/serial/iuu_phoenix.h index b82630a3b8fd..b400b262f72e 100644 --- a/drivers/usb/serial/iuu_phoenix.h +++ b/drivers/usb/serial/iuu_phoenix.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Infinity Unlimited USB Phoenix driver * @@ -6,13 +7,7 @@ * * Original code taken from iuutool ( Copyright (C) 2006 Juan Carlos Borrás ) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * And tested with help of WB Electronics - * */ #define IUU_USB_VENDOR_ID 0x104f diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 5662d324edd2..d34779fe4a8d 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* Keyspan USB to Serial Converter driver (C) Copyright (C) 2000-2001 Hugh Blemings <hugh@blemings.org> (C) Copyright (C) 2002 Greg Kroah-Hartman <greg@kroah.com> - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - See http://blemings.org/hugh/keyspan.html for more information. Code in this driver inspired by and in a number of places taken diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 196908dd25a1..5169624d8b11 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Keyspan PDA / Xircom / Entrega Converter driver * @@ -5,11 +6,6 @@ * Copyright (C) 1999, 2000 Brian Warner <warner@lothar.com> * Copyright (C) 2000 Al Borchers <borchers@steinerpoint.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver */ diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 595415e59d5d..5046ffd53cde 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * KLSI KL5KUSB105 chip RS232 converter driver * * Copyright (C) 2010 Johan Hovold <jhovold@gmail.com> * Copyright (C) 2001 Utz-Uwe Haus <haus@uuhaus.de> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * All information about the device was acquired using SniffUSB ans snoopUSB * on Windows98. * It was written out of frustration with the PalmConnect USB Serial adapter diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 3024b9b25360..a31ea7e194dd 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * KOBIL USB Smart Card Terminal Driver * @@ -10,11 +11,6 @@ * and associated source files. Please see the usb/serial files for * individual credits and copyrights. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Thanks to Greg Kroah-Hartman (greg@kroah.com) for his help and * patience. * @@ -491,6 +487,7 @@ static void kobil_set_termios(struct tty_struct *tty, break; default: speed = 9600; + /* fall through */ case 9600: urb_val = SUSBCR_SBR_9600; break; diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index 70f346f1aa86..7887c312d9a9 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * MCT (Magic Control Technology Corp.) USB RS232 Converter Driver * * Copyright (C) 2000 Wolfgang Grandegger (wolfgang@ces.ch) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * This program is largely derived from the Belkin USB Serial Adapter Driver * (see belkin_sa.[ch]). All of the information about the device was acquired * by using SniffUSB on Windows98. For technical details see mct_u232.h. diff --git a/drivers/usb/serial/mct_u232.h b/drivers/usb/serial/mct_u232.h index d325bb8cb583..0084edf518e8 100644 --- a/drivers/usb/serial/mct_u232.h +++ b/drivers/usb/serial/mct_u232.h @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Definitions for MCT (Magic Control Technology) USB-RS232 Converter Driver * * Copyright (C) 2000 Wolfgang Grandegger (wolfgang@ces.ch) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * This driver is for the device MCT USB-RS232 Converter (25 pin, Model No. * U232-P25) from Magic Control Technology Corp. (there is also a 9 pin * Model No. U232-P9). See http://www.mct.com.tw/products/product_us232.html diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c index 14511d6a7d44..e63cea02cfd8 100644 --- a/drivers/usb/serial/metro-usb.c +++ b/drivers/usb/serial/metro-usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Some of this code is credited to Linux USB open source files that are distributed with Linux. @@ -54,21 +55,33 @@ MODULE_DEVICE_TABLE(usb, id_table); #define UNI_CMD_OPEN 0x80 #define UNI_CMD_CLOSE 0xFF -static inline int metrousb_is_unidirectional_mode(struct usb_serial_port *port) +static int metrousb_is_unidirectional_mode(struct usb_serial *serial) { - __u16 product_id = le16_to_cpu( - port->serial->dev->descriptor.idProduct); + u16 product_id = le16_to_cpu(serial->dev->descriptor.idProduct); return product_id == FOCUS_PRODUCT_ID_UNI; } +static int metrousb_calc_num_ports(struct usb_serial *serial, + struct usb_serial_endpoints *epds) +{ + if (metrousb_is_unidirectional_mode(serial)) { + if (epds->num_interrupt_out == 0) { + dev_err(&serial->interface->dev, "interrupt-out endpoint missing\n"); + return -ENODEV; + } + } + + return 1; +} + static int metrousb_send_unidirectional_cmd(u8 cmd, struct usb_serial_port *port) { int ret; int actual_len; u8 *buffer_cmd = NULL; - if (!metrousb_is_unidirectional_mode(port)) + if (!metrousb_is_unidirectional_mode(port->serial)) return 0; buffer_cmd = kzalloc(sizeof(cmd), GFP_KERNEL); @@ -161,13 +174,6 @@ static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port) unsigned long flags = 0; int result = 0; - /* Make sure the urb is initialized. */ - if (!port->interrupt_in_urb) { - dev_err(&port->dev, "%s - interrupt urb not initialized\n", - __func__); - return -ENODEV; - } - /* Set the private data information for the port. */ spin_lock_irqsave(&metro_priv->lock, flags); metro_priv->control_state = 0; @@ -189,7 +195,7 @@ static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port) dev_err(&port->dev, "%s - failed submitting interrupt in urb, error code=%d\n", __func__, result); - goto exit; + return result; } /* Send activate cmd to device */ @@ -198,9 +204,14 @@ static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port) dev_err(&port->dev, "%s - failed to configure device, error code=%d\n", __func__, result); - goto exit; + goto err_kill_urb; } -exit: + + return 0; + +err_kill_urb: + usb_kill_urb(port->interrupt_in_urb); + return result; } @@ -337,7 +348,8 @@ static struct usb_serial_driver metrousb_device = { }, .description = "Metrologic USB to Serial", .id_table = id_table, - .num_ports = 1, + .num_interrupt_in = 1, + .calc_num_ports = metrousb_calc_num_ports, .open = metrousb_open, .close = metrousb_cleanup, .read_int_callback = metrousb_read_int_callback, @@ -356,7 +368,7 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Philip Nicastro"); MODULE_AUTHOR("Aleksey Babahin <tamerlan311@gmail.com>"); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index a453965f9e9a..f4df3d5bf69c 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * mos7720.c * Controls the Moschip 7720 usb to dual port serial converter * * Copyright 2006 Moschip Semiconductor Tech. Ltd. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, version 2 of the License. - * * Developed by: * Vijaya Kumar <vijaykumar.gn@gmail.com> * Ajay Kumar <naanuajay@yahoo.com> @@ -2043,4 +2040,4 @@ module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index e8669aae14b3..a859c2d33c29 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1,18 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0+ /* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * Clean ups from Moschip version and a few ioctl implementations by: * Paul B Schroeder <pschroeder "at" uplogix "dot" com> * diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c index 3aef091fe88b..2513ee902779 100644 --- a/drivers/usb/serial/mxuport.c +++ b/drivers/usb/serial/mxuport.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * mxuport.c - MOXA UPort series driver * * Copyright (c) 2006 Moxa Technologies Co., Ltd. * Copyright (c) 2013 Andrew Lunn <andrew@lunn.ch> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Supports the following Moxa USB to serial converters: * 2 ports : UPort 1250, UPort 1250I * 4 ports : UPort 1410, UPort 1450, UPort 1450I diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index 2a97cdc078d5..20277c52dded 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Navman Serial USB driver * * Copyright (C) 2006 Greg Kroah-Hartman <gregkh@suse.de> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * * TODO: * Add termios method that uses copy_hw but also kills all echo * flags as the navman is rx only so cannot echo. @@ -115,4 +112,4 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index efcd7feed6f4..e51c9464ea42 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB ZyXEL omni.net LCD PLUS driver * * Copyright (C) 2013,2017 Johan Hovold <johan@kernel.org> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * @@ -179,4 +176,4 @@ module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 58657d64678b..caa0746326fd 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Opticon USB barcode to serial driver * @@ -5,10 +6,6 @@ * Copyright (C) 2011 Martin Jansen <martin.jansen@opticon.com> * Copyright (C) 2008 - 2009 Greg Kroah-Hartman <gregkh@suse.de> * Copyright (C) 2008 - 2009 Novell Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -420,4 +417,4 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index ba672cf4e888..aaa7d901a06d 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* USB Driver for GSM modems Copyright (C) 2005 Matthias Urlichs <smurf@smurf.noris.de> - This driver is free software; you can redistribute it and/or modify - it under the terms of Version 2 of the GNU General Public License as - published by the Free Software Foundation. - Portions copied from the Keyspan driver by Hugh Blemings <hugh@blemings.org> History: see the git log. @@ -2206,4 +2203,4 @@ static void option_instat_callback(struct urb *urb) MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index b11eead469ee..ae9cb15ee02d 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Ours Technology Inc. OTi-6858 USB to serial adapter driver. * @@ -21,10 +22,6 @@ * So, THIS CODE CAN DESTROY OTi-6858 AND ANY OTHER DEVICES, THAT ARE * CONNECTED TO IT! * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * @@ -847,4 +844,4 @@ module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(OTI6858_DESCRIPTION); MODULE_AUTHOR(OTI6858_AUTHOR); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/oti6858.h b/drivers/usb/serial/oti6858.h index 704ac3a532b3..1226bf2347eb 100644 --- a/drivers/usb/serial/oti6858.h +++ b/drivers/usb/serial/oti6858.h @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Ours Technology Inc. OTi-6858 USB to serial adapter driver. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef __LINUX_USB_SERIAL_OTI6858_H #define __LINUX_USB_SERIAL_OTI6858_H diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index a585b477415d..57ae832a49ff 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Prolific PL2303 USB to serial adaptor driver * @@ -6,10 +7,6 @@ * * Original driver for 2.2.x by anonymous * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver */ @@ -1025,4 +1022,4 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION("Prolific PL2303 USB to serial adaptor driver"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 3b5a15d1dc0d..f98fd84890de 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -1,11 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Prolific PL2303 USB to serial adaptor driver header file - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #define BENQ_VENDOR_ID 0x04a5 diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c index 6e9f8af96959..929ffba663f2 100644 --- a/drivers/usb/serial/qcaux.c +++ b/drivers/usb/serial/qcaux.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Qualcomm USB Auxiliary Serial Port driver * * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com> * Copyright (C) 2010 Dan Williams <dcbw@redhat.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Devices listed here usually provide a CDC ACM port on which normal modem * AT commands and PPP can be used. But when that port is in-use by PPP it * cannot be used simultaneously for status or signal strength. Instead, the @@ -87,4 +84,4 @@ static struct usb_serial_driver * const serial_drivers[] = { }; module_usb_serial_driver(serial_drivers, id_table); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index eb9928963a53..e3892541a489 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Qualcomm Serial USB driver * * Copyright (c) 2008 QUALCOMM Incorporated. * Copyright (c) 2009 Greg Kroah-Hartman <gregkh@suse.de> * Copyright (c) 2009 Novell Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * */ #include <linux/tty.h> @@ -148,6 +144,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ {DEVICE_SWI(0x1199, 0x68c0)}, /* Sierra Wireless MC7304/MC7354 */ {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ + {DEVICE_SWI(0x1199, 0x901e)}, /* Sierra Wireless EM7355 QDL */ {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 60e17d1444c3..958e12e1e7c7 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * usb-serial driver for Quatech USB 2 devices * * Copyright (C) 2012 Bill Pemberton (wfp5p@virginia.edu) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * * These devices all have only 1 bulk in and 1 bulk out that is shared * for all serial ports. * @@ -1027,4 +1023,4 @@ static struct usb_serial_driver *const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index 27d7a7016298..6accbecb6318 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Safe Encapsulated USB Serial Driver * @@ -5,11 +6,6 @@ * Copyright (C) 2001 Lineo * Copyright (C) 2001 Hewlett-Packard * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * By: * Stuart Lynne <sl@lineo.com>, Tom Rushworth <tbr@lineo.com> */ diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 4c4ac4705ac0..d189f953c891 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* USB Driver for Sierra Wireless @@ -9,10 +10,6 @@ IMPORTANT DISCLAIMER: This driver is not commercially supported by Sierra Wireless. Use at your own risk. - This driver is free software; you can redistribute it and/or modify - it under the terms of Version 2 of the GNU General Public License as - published by the Free Software Foundation. - Portions based on the option driver by Matthias Urlichs <smurf@smurf.noris.de> Whom based his on the Keyspan driver by Hugh Blemings <hugh@blemings.org> */ @@ -1078,7 +1075,7 @@ module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); module_param(nmea, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(nmea, "NMEA streaming"); diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 5167b6564c8b..b42714855364 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * spcp8x5 USB to serial adaptor driver * @@ -8,11 +9,6 @@ * Original driver for 2.6.10 pl2303 driver by * Greg Kroah-Hartman (greg@kroah.com) * Changes for 2.6.20 by Harald Klein <hari@vt100.at> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> #include <linux/errno.h> diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index 5aa7bbbeba3d..2083c267787b 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * usb-serial driver for Quatech SSU-100 * @@ -576,4 +577,4 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 0d1727232d0c..cd2f8dc8b58c 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Symbol USB barcode to serial driver * * Copyright (C) 2013 Johan Hovold <jhovold@gmail.com> * Copyright (C) 2009 Greg Kroah-Hartman <gregkh@suse.de> * Copyright (C) 2009 Novell Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -194,4 +191,4 @@ static struct usb_serial_driver * const serial_drivers[] = { module_usb_serial_driver(serial_drivers, id_table); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 8fc3854e5e69..6b22857f6e52 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * TI 3410/5052 USB Serial Driver * @@ -7,11 +8,6 @@ * Copyright (C) 2000-2002 Inside Out Networks * Copyright (C) 2001-2002 Greg Kroah-Hartman * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * For questions or problems with this driver, contact Texas Instruments * technical support, or Al Borchers <alborchers@steinerpoint.com>, or * Peter Berger <pberger@brimson.com>. diff --git a/drivers/usb/serial/upd78f0730.c b/drivers/usb/serial/upd78f0730.c index 6819a3486e5d..1ba1401d27d7 100644 --- a/drivers/usb/serial/upd78f0730.c +++ b/drivers/usb/serial/upd78f0730.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas Electronics uPD78F0730 USB to serial converter driver * * Copyright (C) 2014,2016 Maksim Salau <maksim.salau@gmail.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * * Protocol of the adaptor is described in the application note U19660EJ1V0AN00 * μPD78F0730 8-bit Single-Chip Microcontroller * USB-to-Serial Conversion Software diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index e98b6e57b703..74172fe158df 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Serial "Simple" driver * @@ -8,10 +9,6 @@ * Copyright (C) 2010 Zilogic Systems <code@zilogic.com> * Copyright (C) 2013 Wei Shuai <cpuwolf@gmail.com> * Copyright (C) 2013 Linux Foundation - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -134,4 +131,4 @@ static const struct usb_device_id id_table[] = { MODULE_DEVICE_TABLE(usb, id_table); module_usb_serial_driver(serial_drivers, id_table); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index bb34f9f7eaf4..790e0cbe3da9 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Serial Converter driver * @@ -6,10 +7,6 @@ * Copyright (C) 2000 Peter Berger (pberger@brimson.com) * Copyright (C) 2000 Al Borchers (borchers@steinerpoint.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * * This driver was originally based on the ACM driver by Armin Fuerst (which was * based on a driver by Brad Keryan) * @@ -1201,17 +1198,6 @@ static const struct tty_operations serial_ops = { struct tty_driver *usb_serial_tty_driver; -/* Driver structure we register with the USB core */ -static struct usb_driver usb_serial_driver = { - .name = "usbserial", - .probe = usb_serial_probe, - .disconnect = usb_serial_disconnect, - .suspend = usb_serial_suspend, - .resume = usb_serial_resume, - .no_dynamic_id = 1, - .supports_autosuspend = 1, -}; - static int __init usb_serial_init(void) { int result; @@ -1247,13 +1233,6 @@ static int __init usb_serial_init(void) goto exit_reg_driver; } - /* register the USB driver */ - result = usb_register(&usb_serial_driver); - if (result < 0) { - pr_err("%s - usb_register failed\n", __func__); - goto exit_tty; - } - /* register the generic driver, if we should */ result = usb_serial_generic_register(); if (result < 0) { @@ -1264,9 +1243,6 @@ static int __init usb_serial_init(void) return result; exit_generic: - usb_deregister(&usb_serial_driver); - -exit_tty: tty_unregister_driver(usb_serial_tty_driver); exit_reg_driver: @@ -1285,7 +1261,6 @@ static void __exit usb_serial_exit(void) usb_serial_generic_deregister(); - usb_deregister(&usb_serial_driver); tty_unregister_driver(usb_serial_tty_driver); put_tty_driver(usb_serial_tty_driver); bus_unregister(&usb_serial_bus_type); @@ -1460,4 +1435,4 @@ EXPORT_SYMBOL_GPL(usb_serial_deregister_drivers); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index 12f4c5a91e62..ab5a2ac4993a 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Debug cable driver * * Copyright (C) 2006 Greg Kroah-Hartman <greg@kroah.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/gfp.h> @@ -34,13 +31,13 @@ static const struct usb_device_id id_table[] = { }; static const struct usb_device_id dbc_id_table[] = { - { USB_DEVICE(0x1d6b, 0x0004) }, + { USB_DEVICE(0x1d6b, 0x0011) }, { }, }; static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(0x0525, 0x127a) }, - { USB_DEVICE(0x1d6b, 0x0004) }, + { USB_DEVICE(0x1d6b, 0x0011) }, { }, }; MODULE_DEVICE_TABLE(usb, id_table_combined); @@ -98,4 +95,4 @@ static struct usb_serial_driver * const serial_drivers[] = { }; module_usb_serial_driver(serial_drivers, id_table_combined); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 59bfcb3da116..107e64c42e94 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* USB Driver layer for GSM modems Copyright (C) 2005 Matthias Urlichs <smurf@smurf.noris.de> - This driver is free software; you can redistribute it and/or modify - it under the terms of Version 2 of the GNU General Public License as - published by the Free Software Foundation. - Portions copied from the Keyspan driver by Hugh Blemings <hugh@blemings.org> History: see the git log. @@ -723,4 +720,4 @@ EXPORT_SYMBOL(usb_wwan_resume); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 9f3317a940ef..f5373ed2cd45 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB HandSpring Visor, Palm m50x, and Sony Clie driver * (supports all of the Palm OS USB devices) @@ -5,10 +6,6 @@ * Copyright (C) 1999 - 2004 * Greg Kroah-Hartman (greg@kroah.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * @@ -579,4 +576,4 @@ module_usb_serial_driver(serial_drivers, id_table_combined); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/serial/visor.h b/drivers/usb/serial/visor.h index 4c456dd69ce5..fe290243f1ce 100644 --- a/drivers/usb/serial/visor.h +++ b/drivers/usb/serial/visor.h @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB HandSpring Visor driver * * Copyright (C) 1999 - 2003 * Greg Kroah-Hartman (greg@kroah.com) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver. * diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 55cebc1e6fec..1c7b46a8620c 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB ConnectTech WhiteHEAT driver * @@ -7,11 +8,6 @@ * Copyright (C) 1999 - 2001 * Greg Kroah-Hartman (greg@kroah.com) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver */ diff --git a/drivers/usb/serial/whiteheat.h b/drivers/usb/serial/whiteheat.h index 38065df4d2d8..72c1b0cf4063 100644 --- a/drivers/usb/serial/whiteheat.h +++ b/drivers/usb/serial/whiteheat.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB ConnectTech WhiteHEAT driver * @@ -7,11 +8,6 @@ * Copyright (C) 1999, 2000 * Greg Kroah-Hartman (greg@kroah.com) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * See Documentation/usb/usb-serial.txt for more information on using this * driver * diff --git a/drivers/usb/serial/wishbone-serial.c b/drivers/usb/serial/wishbone-serial.c index 4fed4a0bd702..ff4092f9b33c 100644 --- a/drivers/usb/serial/wishbone-serial.c +++ b/drivers/usb/serial/wishbone-serial.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * USB Wishbone-Serial adapter driver * * Copyright (C) 2013 Wesley W. Terpstra <w.terpstra@gsi.de> * Copyright (C) 2013 GSI Helmholtz Centre for Heavy Ion Research GmbH - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/usb/serial/xsens_mt.c b/drivers/usb/serial/xsens_mt.c index 3837d5113bb2..cf262c9a9638 100644 --- a/drivers/usb/serial/xsens_mt.c +++ b/drivers/usb/serial/xsens_mt.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Xsens MT USB driver * * Copyright (C) 2013 Xsens <info@xsens.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. */ #include <linux/kernel.h> @@ -69,4 +66,4 @@ module_usb_serial_driver(serial_drivers, id_table); MODULE_AUTHOR("Frans Klaver <frans.klaver@xsens.com>"); MODULE_DESCRIPTION("USB-serial driver for Xsens motion trackers"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index 878b4b8761f5..900591df8bb2 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Alauda-based card readers * @@ -15,20 +16,6 @@ * (very old) vendor-supplied GPL sma03 driver. * * For protocol info, see http://alauda.sourceforge.net - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index 5e4af44d7d9f..4825902377eb 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Support for emulating SAT (ata pass through) on devices based * on the Cypress USB/ATA bridge supporting ATACB. * * Copyright (c) 2008 Matthieu Castet (castet.matthieu@free.fr) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c index 723197af6ec5..09353be199be 100644 --- a/drivers/usb/storage/datafab.c +++ b/drivers/usb/storage/datafab.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Datafab USB Compact Flash reader * @@ -18,20 +19,6 @@ * * Other contributors: * (c) 2002 Alan Stern <stern@rowland.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/usb/storage/debug.c b/drivers/usb/storage/debug.c index 8d20804a59e6..e5a4969d15ae 100644 --- a/drivers/usb/storage/debug.c +++ b/drivers/usb/storage/debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * Debugging Functions Source Code File @@ -27,20 +28,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/device.h> diff --git a/drivers/usb/storage/debug.h b/drivers/usb/storage/debug.h index 8ab73299b650..8833cd4f78b6 100644 --- a/drivers/usb/storage/debug.h +++ b/drivers/usb/storage/debug.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * Debugging Functions Header File @@ -24,20 +25,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _DEBUG_H_ diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c index 28100374f7bd..93cf57ac47d6 100644 --- a/drivers/usb/storage/ene_ub6250.c +++ b/drivers/usb/storage/ene_ub6250.c @@ -1,19 +1,4 @@ -/* - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ +// SPDX-License-Identifier: GPL-2.0+ #include <linux/jiffies.h> #include <linux/errno.h> #include <linux/module.h> diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c index c0a5d954414b..ec4d92c92762 100644 --- a/drivers/usb/storage/freecom.c +++ b/drivers/usb/storage/freecom.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Freecom USB/IDE adaptor * @@ -8,20 +9,6 @@ * Current development and maintenance by: * (C) 2000 David Brown <usb-storage@davidb.org> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * * This driver was developed with information provided in FREECOM's USB * Programmers Reference Guide. For further information contact Freecom * (http://www.freecom.de/) diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index d9d8c17e05d1..93a6bcf77806 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Special Initializers for certain USB Mass Storage devices * @@ -20,20 +21,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/errno.h> diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h index 039abf4d1cb7..e4cf28efb4a7 100644 --- a/drivers/usb/storage/initializers.h +++ b/drivers/usb/storage/initializers.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Header file for Special Initializers for certain USB Mass Storage devices * @@ -20,20 +21,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "usb.h" diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index 6a7720e66595..f5e4500d9970 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Transport & Protocol Driver for In-System Design, Inc. ISD200 ASIC * @@ -14,20 +15,6 @@ * does implement an interface, the ATA Command Block (ATACB) which provides * a means of passing ATA commands and ATA register accesses to a device. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * * History: * * 2002-10-19: Removed the specialized transfer routines. diff --git a/drivers/usb/storage/jumpshot.c b/drivers/usb/storage/jumpshot.c index 011e5270690a..917f170c4124 100644 --- a/drivers/usb/storage/jumpshot.c +++ b/drivers/usb/storage/jumpshot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Lexar "Jumpshot" Compact Flash reader * @@ -19,20 +20,6 @@ * Developed with the assistance of: * * (C) 2002 Alan Stern <stern@rowland.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/usb/storage/karma.c b/drivers/usb/storage/karma.c index b05ba4929f00..edcf2be0e0eb 100644 --- a/drivers/usb/storage/karma.c +++ b/drivers/usb/storage/karma.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Rio Karma * * (c) 2006 Bob Copeland <me@bobcopeland.com> * (c) 2006 Keith Bennett <keith@mcs.st-and.ac.uk> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index acc3d03d8c1e..39a5009a41a6 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Support for the Maxtor OneTouch USB hard drive's button * @@ -10,24 +11,6 @@ * Based on usbmouse.c (Vojtech Pavlik) and xpad.c (Marko Friedemann) * */ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - #include <linux/kernel.h> #include <linux/input.h> #include <linux/slab.h> diff --git a/drivers/usb/storage/option_ms.c b/drivers/usb/storage/option_ms.c index 57282f12317b..7c0b05a36554 100644 --- a/drivers/usb/storage/option_ms.c +++ b/drivers/usb/storage/option_ms.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Option High Speed Mobile Devices. * * (c) 2008 Dan Williams <dcbw@redhat.com> * * Inspiration taken from sierra_ms.c by Kevin Lloyd <klloyd@sierrawireless.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/usb.h> @@ -41,7 +28,7 @@ MODULE_PARM_DESC(option_zero_cd, "ZeroCD mode (1=Force Modem (default)," static int option_rezero(struct us_data *us) { - const unsigned char rezero_msg[] = { + static const unsigned char rezero_msg[] = { 0x55, 0x53, 0x42, 0x43, 0x78, 0x56, 0x34, 0x12, 0x01, 0x00, 0x00, 0x00, 0x80, 0x00, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -87,7 +74,7 @@ out: static int option_inquiry(struct us_data *us) { - const unsigned char inquiry_msg[] = { + static const unsigned char inquiry_msg[] = { 0x55, 0x53, 0x42, 0x43, 0x12, 0x34, 0x56, 0x78, 0x24, 0x00, 0x00, 0x00, 0x80, 0x00, 0x06, 0x12, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index 74c38870a17e..f3f2a93f52e1 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * @@ -27,20 +28,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/highmem.h> diff --git a/drivers/usb/storage/protocol.h b/drivers/usb/storage/protocol.h index a55666880b7b..9198396e8c6e 100644 --- a/drivers/usb/storage/protocol.h +++ b/drivers/usb/storage/protocol.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * Protocol Functions Header File @@ -21,20 +22,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _PROTOCOL_H_ diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index ec83b3b5efa9..48e2e32c97e8 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Realtek RTS51xx USB card reader * * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - * * Author: * wwang (wei_wang@realsil.com.cn) * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 8cd2926fb1fe..585efd120193 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * SCSI layer glue code @@ -28,20 +29,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/module.h> diff --git a/drivers/usb/storage/scsiglue.h b/drivers/usb/storage/scsiglue.h index d0a331dd9bc5..bf99c6201331 100644 --- a/drivers/usb/storage/scsiglue.h +++ b/drivers/usb/storage/scsiglue.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * SCSI Connecting Glue Header File @@ -21,20 +22,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _SCSIGLUE_H_ diff --git a/drivers/usb/storage/sddr09.c b/drivers/usb/storage/sddr09.c index 44f8ffccd031..1cf7dbfe277c 100644 --- a/drivers/usb/storage/sddr09.c +++ b/drivers/usb/storage/sddr09.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for SanDisk SDDR-09 SmartMedia reader * @@ -11,20 +12,6 @@ * been programmed to obey a certain limited set of SCSI commands. * This driver translates the "real" SCSI commands to the SDDR-09 SCSI * commands. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index 147c50b3e00f..8c814b2ec9b2 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for SanDisk SDDR-55 SmartMedia reader * @@ -7,20 +8,6 @@ * * Current development and maintenance by: * (c) 2002 Simon Munton - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/jiffies.h> @@ -604,6 +591,7 @@ static unsigned long sddr55_get_capacity(struct us_data *us) { case 0x64: info->pageshift = 8; info->smallpageshift = 1; + /* fall through */ case 0x5d: // 5d is a ROM card with pagesize 512. return 0x00200000; diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c index 3b0294e4df93..854498e1012c 100644 --- a/drivers/usb/storage/shuttle_usbat.c +++ b/drivers/usb/storage/shuttle_usbat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable * @@ -26,20 +27,6 @@ * * See the Kconfig help text for a list of devices known to be supported by * this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/errno.h> diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index a3ccb899df60..d947957f3635 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * @@ -28,20 +29,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/sched.h> diff --git a/drivers/usb/storage/transport.h b/drivers/usb/storage/transport.h index dae3ecd2e6cf..f559dc575f4f 100644 --- a/drivers/usb/storage/transport.h +++ b/drivers/usb/storage/transport.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * Transport Functions Header File @@ -21,20 +22,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _TRANSPORT_H_ diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 63cf981ed81c..5d04c40ee40a 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Attached SCSI * Note that this is not the same as the USB Mass Storage driver @@ -5,8 +6,6 @@ * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2016 * Copyright Matthew Wilcox for Intel Corp, 2010 * Copyright Sarah Sharp for Intel Corp, 2010 - * - * Distributed under the terms of the GNU GPL, version two. */ #include <linux/blkdev.h> @@ -668,6 +667,7 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, break; case DMA_BIDIRECTIONAL: cmdinfo->state |= ALLOC_DATA_IN_URB | SUBMIT_DATA_IN_URB; + /* fall through */ case DMA_TO_DEVICE: cmdinfo->state |= ALLOC_DATA_OUT_URB | SUBMIT_DATA_OUT_URB; case DMA_NONE: diff --git a/drivers/usb/storage/unusual_alauda.h b/drivers/usb/storage/unusual_alauda.h index 763bc03032a1..0ec8c99a4976 100644 --- a/drivers/usb/storage/unusual_alauda.h +++ b/drivers/usb/storage/unusual_alauda.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for the Alauda-based card readers - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_ALAUDA) || \ diff --git a/drivers/usb/storage/unusual_cypress.h b/drivers/usb/storage/unusual_cypress.h index e9a2eb88869a..fb99e526cd48 100644 --- a/drivers/usb/storage/unusual_cypress.h +++ b/drivers/usb/storage/unusual_cypress.h @@ -1,20 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for devices based on the Cypress USB/ATA bridge * with support for ATACB - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_CYPRESS_ATACB) || \ diff --git a/drivers/usb/storage/unusual_datafab.h b/drivers/usb/storage/unusual_datafab.h index 5049b6bbe5d5..fdab5e7d68ca 100644 --- a/drivers/usb/storage/unusual_datafab.h +++ b/drivers/usb/storage/unusual_datafab.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for the Datafab USB Compact Flash reader - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_DATAFAB) || \ diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index eb06d88b41d6..2968046e7c05 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * Unusual Devices File @@ -10,20 +11,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/usb/storage/unusual_ene_ub6250.h b/drivers/usb/storage/unusual_ene_ub6250.h index 5667f5d365c6..9134b91fbd73 100644 --- a/drivers/usb/storage/unusual_ene_ub6250.h +++ b/drivers/usb/storage/unusual_ene_ub6250.h @@ -1,20 +1,4 @@ -/* - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - +// SPDX-License-Identifier: GPL-2.0+ #if defined(CONFIG_USB_STORAGE_ENE_UB6250) || \ defined(CONFIG_USB_STORAGE_ENE_UB6250_MODULE) diff --git a/drivers/usb/storage/unusual_freecom.h b/drivers/usb/storage/unusual_freecom.h index 1f5aab42ece2..949231c7a36b 100644 --- a/drivers/usb/storage/unusual_freecom.h +++ b/drivers/usb/storage/unusual_freecom.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for the Freecom USB/IDE adaptor - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_FREECOM) || \ diff --git a/drivers/usb/storage/unusual_isd200.h b/drivers/usb/storage/unusual_isd200.h index 9b6862ec3d4f..d03a02cc904e 100644 --- a/drivers/usb/storage/unusual_isd200.h +++ b/drivers/usb/storage/unusual_isd200.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for In-System Design, Inc. ISD200 ASIC - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_ISD200) || \ diff --git a/drivers/usb/storage/unusual_jumpshot.h b/drivers/usb/storage/unusual_jumpshot.h index 413e64fa6b95..c323338881ef 100644 --- a/drivers/usb/storage/unusual_jumpshot.h +++ b/drivers/usb/storage/unusual_jumpshot.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for the Lexar "Jumpshot" Compact Flash reader - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_JUMPSHOT) || \ diff --git a/drivers/usb/storage/unusual_karma.h b/drivers/usb/storage/unusual_karma.h index e6fad3aeae20..8f1eebd71d2c 100644 --- a/drivers/usb/storage/unusual_karma.h +++ b/drivers/usb/storage/unusual_karma.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for the Rio Karma - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_KARMA) || \ diff --git a/drivers/usb/storage/unusual_onetouch.h b/drivers/usb/storage/unusual_onetouch.h index 425dc22f345a..c76d4e990f7b 100644 --- a/drivers/usb/storage/unusual_onetouch.h +++ b/drivers/usb/storage/unusual_onetouch.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for the Maxtor OneTouch USB hard drive's button - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_ONETOUCH) || \ diff --git a/drivers/usb/storage/unusual_realtek.h b/drivers/usb/storage/unusual_realtek.h index 8fe624ad302a..d17cd95b55bb 100644 --- a/drivers/usb/storage/unusual_realtek.h +++ b/drivers/usb/storage/unusual_realtek.h @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Realtek RTS51xx USB card reader * * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. - * * Author: * wwang (wei_wang@realsil.com.cn) * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China diff --git a/drivers/usb/storage/unusual_sddr09.h b/drivers/usb/storage/unusual_sddr09.h index d9d38ac4abf9..650cf2862754 100644 --- a/drivers/usb/storage/unusual_sddr09.h +++ b/drivers/usb/storage/unusual_sddr09.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for SanDisk SDDR-09 SmartMedia reader - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_SDDR09) || \ diff --git a/drivers/usb/storage/unusual_sddr55.h b/drivers/usb/storage/unusual_sddr55.h index ebb1d1c6c467..e89df2cea7bd 100644 --- a/drivers/usb/storage/unusual_sddr55.h +++ b/drivers/usb/storage/unusual_sddr55.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for SanDisk SDDR-55 SmartMedia reader - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_SDDR55) || \ diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index cde115359793..d520374a824e 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Attached SCSI devices - Unusual Devices File * @@ -6,20 +7,6 @@ * Based on the same file for the usb-storage driver, which is: * (c) 2000-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net) * (c) 2000 Adam J. Richter (adam@yggdrasil.com), Yggdrasil Computing, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ /* diff --git a/drivers/usb/storage/unusual_usbat.h b/drivers/usb/storage/unusual_usbat.h index 2044ad5ef5e4..05abf6870b8f 100644 --- a/drivers/usb/storage/unusual_usbat.h +++ b/drivers/usb/storage/unusual_usbat.h @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Unusual Devices File for SCM Microsystems (a.k.a. Shuttle) USB-ATAPI cable - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #if defined(CONFIG_USB_STORAGE_USBAT) || \ diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 0dceb9fa3a06..a0c07e05a8f1 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * @@ -30,20 +31,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifdef CONFIG_USB_STORAGE_DEBUG @@ -332,7 +319,7 @@ static int usb_stor_control_thread(void * __us) /* When we are called with no command pending, we're done */ srb = us->srb; - if (us->srb == NULL) { + if (srb == NULL) { scsi_unlock(host); mutex_unlock(&us->dev_mutex); usb_stor_dbg(us, "-- exiting\n"); @@ -341,7 +328,7 @@ static int usb_stor_control_thread(void * __us) /* has the command timed out *already* ? */ if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) { - us->srb->result = DID_ABORT << 16; + srb->result = DID_ABORT << 16; goto SkipForAbort; } @@ -351,35 +338,35 @@ static int usb_stor_control_thread(void * __us) * reject the command if the direction indicator * is UNKNOWN */ - if (us->srb->sc_data_direction == DMA_BIDIRECTIONAL) { + if (srb->sc_data_direction == DMA_BIDIRECTIONAL) { usb_stor_dbg(us, "UNKNOWN data direction\n"); - us->srb->result = DID_ERROR << 16; + srb->result = DID_ERROR << 16; } /* * reject if target != 0 or if LUN is higher than * the maximum known LUN */ - else if (us->srb->device->id && + else if (srb->device->id && !(us->fflags & US_FL_SCM_MULT_TARG)) { usb_stor_dbg(us, "Bad target number (%d:%llu)\n", - us->srb->device->id, - us->srb->device->lun); - us->srb->result = DID_BAD_TARGET << 16; + srb->device->id, + srb->device->lun); + srb->result = DID_BAD_TARGET << 16; } - else if (us->srb->device->lun > us->max_lun) { + else if (srb->device->lun > us->max_lun) { usb_stor_dbg(us, "Bad LUN (%d:%llu)\n", - us->srb->device->id, - us->srb->device->lun); - us->srb->result = DID_BAD_TARGET << 16; + srb->device->id, + srb->device->lun); + srb->result = DID_BAD_TARGET << 16; } /* * Handle those devices which need us to fake * their inquiry data */ - else if ((us->srb->cmnd[0] == INQUIRY) && + else if ((srb->cmnd[0] == INQUIRY) && (us->fflags & US_FL_FIX_INQUIRY)) { unsigned char data_ptr[36] = { 0x00, 0x80, 0x02, 0x02, @@ -387,13 +374,13 @@ static int usb_stor_control_thread(void * __us) usb_stor_dbg(us, "Faking INQUIRY command\n"); fill_inquiry_response(us, data_ptr, 36); - us->srb->result = SAM_STAT_GOOD; + srb->result = SAM_STAT_GOOD; } /* we've got a command, let's do it! */ else { - US_DEBUG(usb_stor_show_command(us, us->srb)); - us->proto_handler(us->srb, us); + US_DEBUG(usb_stor_show_command(us, srb)); + us->proto_handler(srb, us); usb_mark_last_busy(us->pusb_dev); } @@ -401,7 +388,7 @@ static int usb_stor_control_thread(void * __us) scsi_lock(host); /* was the command aborted? */ - if (us->srb->result == DID_ABORT << 16) { + if (srb->result == DID_ABORT << 16) { SkipForAbort: usb_stor_dbg(us, "scsi command aborted\n"); srb = NULL; /* Don't call srb->scsi_done() */ diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index 8fae28b40bb4..90133e16bec5 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage compliant devices * Main Header File @@ -24,20 +25,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef _USB_H_ diff --git a/drivers/usb/storage/usual-tables.c b/drivers/usb/storage/usual-tables.c index 499669bcf700..83ad01747eed 100644 --- a/drivers/usb/storage/usual-tables.c +++ b/drivers/usb/storage/usual-tables.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for USB Mass Storage devices * Usual Tables File for usb-storage and libusual @@ -6,20 +7,6 @@ * * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more * information about this driver. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> diff --git a/drivers/usb/typec/Kconfig b/drivers/usb/typec/Kconfig index 819c0ed2b200..465d7da849c3 100644 --- a/drivers/usb/typec/Kconfig +++ b/drivers/usb/typec/Kconfig @@ -16,8 +16,6 @@ if TYPEC_TCPM source "drivers/usb/typec/fusb302/Kconfig" -endif - config TYPEC_WCOVE tristate "Intel WhiskeyCove PMIC USB Type-C PHY driver" depends on ACPI @@ -33,6 +31,19 @@ config TYPEC_WCOVE To compile this driver as module, choose M here: the module will be called typec_wcove +endif + source "drivers/usb/typec/ucsi/Kconfig" +config TYPEC_TPS6598X + tristate "TI TPS6598x USB Power Delivery controller driver" + depends on I2C + select TYPEC + help + Say Y or M here if your system has TI TPS65982 or TPS65983 USB Power + Delivery controller. + + If you choose to build this driver as a dynamically linked module, the + module will be called tps6598x.ko. + endmenu diff --git a/drivers/usb/typec/Makefile b/drivers/usb/typec/Makefile index b77688ce1f16..bb3138a6eaac 100644 --- a/drivers/usb/typec/Makefile +++ b/drivers/usb/typec/Makefile @@ -1,5 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_TYPEC) += typec.o obj-$(CONFIG_TYPEC_TCPM) += tcpm.o obj-y += fusb302/ obj-$(CONFIG_TYPEC_WCOVE) += typec_wcove.o obj-$(CONFIG_TYPEC_UCSI) += ucsi/ +obj-$(CONFIG_TYPEC_TPS6598X) += tps6598x.o diff --git a/drivers/usb/typec/fusb302/Makefile b/drivers/usb/typec/fusb302/Makefile index 207efa5fbab8..3b51b33631a0 100644 --- a/drivers/usb/typec/fusb302/Makefile +++ b/drivers/usb/typec/fusb302/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_TYPEC_FUSB302) += fusb302.o diff --git a/drivers/usb/typec/fusb302/fusb302.c b/drivers/usb/typec/fusb302/fusb302.c index e790b67d4953..72cb060b3fca 100644 --- a/drivers/usb/typec/fusb302/fusb302.c +++ b/drivers/usb/typec/fusb302/fusb302.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2016-2017 Google, Inc * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Fairchild FUSB302 Type-C Chip Driver */ diff --git a/drivers/usb/typec/fusb302/fusb302_reg.h b/drivers/usb/typec/fusb302/fusb302_reg.h index 0682e63de773..00b39d365478 100644 --- a/drivers/usb/typec/fusb302/fusb302_reg.h +++ b/drivers/usb/typec/fusb302/fusb302_reg.h @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2016-2017 Google, Inc * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Fairchild FUSB302 Type-C Chip Driver */ diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c index f557c479fdc2..c166fc77dfb8 100644 --- a/drivers/usb/typec/tcpm.c +++ b/drivers/usb/typec/tcpm.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2015-2017 Google, Inc * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * USB Power Delivery protocol stack. */ @@ -986,7 +977,7 @@ static void svdm_consume_modes(struct tcpm_port *port, const __le32 *payload, } port->partner_altmode[pmdata->altmodes] = typec_partner_register_altmode(port->partner, paltmode); - if (port->partner_altmode[pmdata->altmodes] == NULL) { + if (!port->partner_altmode[pmdata->altmodes]) { tcpm_log(port, "Failed to register alternate modes for SVID 0x%04x", paltmode->svid); @@ -3602,6 +3593,7 @@ void tcpm_unregister_port(struct tcpm_port *port) { int i; + tcpm_reset_port(port); for (i = 0; i < ARRAY_SIZE(port->port_altmode); i++) typec_unregister_altmode(port->port_altmode[i]); typec_unregister_port(port->typec_port); diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c new file mode 100644 index 000000000000..2719f5d382f7 --- /dev/null +++ b/drivers/usb/typec/tps6598x.c @@ -0,0 +1,473 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for TI TPS6598x USB Power Delivery controller family + * + * Copyright (C) 2017, Intel Corporation + * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> + */ + +#include <linux/i2c.h> +#include <linux/acpi.h> +#include <linux/module.h> +#include <linux/regmap.h> +#include <linux/interrupt.h> +#include <linux/usb/typec.h> + +/* Register offsets */ +#define TPS_REG_CMD1 0x08 +#define TPS_REG_DATA1 0x09 +#define TPS_REG_INT_EVENT1 0x14 +#define TPS_REG_INT_EVENT2 0x15 +#define TPS_REG_INT_MASK1 0x16 +#define TPS_REG_INT_MASK2 0x17 +#define TPS_REG_INT_CLEAR1 0x18 +#define TPS_REG_INT_CLEAR2 0x19 +#define TPS_REG_STATUS 0x1a +#define TPS_REG_SYSTEM_CONF 0x28 +#define TPS_REG_CTRL_CONF 0x29 +#define TPS_REG_POWER_STATUS 0x3f +#define TPS_REG_RX_IDENTITY_SOP 0x48 + +/* TPS_REG_INT_* bits */ +#define TPS_REG_INT_PLUG_EVENT BIT(3) + +/* TPS_REG_STATUS bits */ +#define TPS_STATUS_PLUG_PRESENT BIT(0) +#define TPS_STATUS_ORIENTATION BIT(4) +#define TPS_STATUS_PORTROLE(s) (!!((s) & BIT(5))) +#define TPS_STATUS_DATAROLE(s) (!!((s) & BIT(6))) +#define TPS_STATUS_VCONN(s) (!!((s) & BIT(7))) + +/* TPS_REG_SYSTEM_CONF bits */ +#define TPS_SYSCONF_PORTINFO(c) ((c) & 3) + +enum { + TPS_PORTINFO_SINK, + TPS_PORTINFO_SINK_ACCESSORY, + TPS_PORTINFO_DRP_UFP, + TPS_PORTINFO_DRP_UFP_DRD, + TPS_PORTINFO_DRP_DFP, + TPS_PORTINFO_DRP_DFP_DRD, + TPS_PORTINFO_SOURCE, +}; + +/* TPS_REG_POWER_STATUS bits */ +#define TPS_POWER_STATUS_SOURCESINK BIT(1) +#define TPS_POWER_STATUS_PWROPMODE(p) (((p) & GENMASK(3, 2)) >> 2) + +/* TPS_REG_RX_IDENTITY_SOP */ +struct tps6598x_rx_identity_reg { + u8 status; + struct usb_pd_identity identity; + u32 vdo[3]; +} __packed; + +/* Standard Task return codes */ +#define TPS_TASK_TIMEOUT 1 +#define TPS_TASK_REJECTED 3 + +/* Unrecognized commands will be replaced with "!CMD" */ +#define INVALID_CMD(_cmd_) (_cmd_ == 0x444d4321) + +struct tps6598x { + struct device *dev; + struct regmap *regmap; + struct mutex lock; /* device lock */ + + struct typec_port *port; + struct typec_partner *partner; + struct usb_pd_identity partner_identity; + struct typec_capability typec_cap; +}; + +static inline int tps6598x_read16(struct tps6598x *tps, u8 reg, u16 *val) +{ + return regmap_raw_read(tps->regmap, reg, val, sizeof(u16)); +} + +static inline int tps6598x_read32(struct tps6598x *tps, u8 reg, u32 *val) +{ + return regmap_raw_read(tps->regmap, reg, val, sizeof(u32)); +} + +static inline int tps6598x_read64(struct tps6598x *tps, u8 reg, u64 *val) +{ + return regmap_raw_read(tps->regmap, reg, val, sizeof(u64)); +} + +static inline int tps6598x_write16(struct tps6598x *tps, u8 reg, u16 val) +{ + return regmap_raw_write(tps->regmap, reg, &val, sizeof(u16)); +} + +static inline int tps6598x_write32(struct tps6598x *tps, u8 reg, u32 val) +{ + return regmap_raw_write(tps->regmap, reg, &val, sizeof(u32)); +} + +static inline int tps6598x_write64(struct tps6598x *tps, u8 reg, u64 val) +{ + return regmap_raw_write(tps->regmap, reg, &val, sizeof(u64)); +} + +static inline int +tps6598x_write_4cc(struct tps6598x *tps, u8 reg, const char *val) +{ + return regmap_raw_write(tps->regmap, reg, &val, sizeof(u32)); +} + +static int tps6598x_read_partner_identity(struct tps6598x *tps) +{ + struct tps6598x_rx_identity_reg id; + int ret; + + ret = regmap_raw_read(tps->regmap, TPS_REG_RX_IDENTITY_SOP, + &id, sizeof(id)); + if (ret) + return ret; + + tps->partner_identity = id.identity; + + return 0; +} + +static int tps6598x_connect(struct tps6598x *tps, u32 status) +{ + struct typec_partner_desc desc; + enum typec_pwr_opmode mode; + u16 pwr_status; + int ret; + + if (tps->partner) + return 0; + + ret = tps6598x_read16(tps, TPS_REG_POWER_STATUS, &pwr_status); + if (ret < 0) + return ret; + + mode = TPS_POWER_STATUS_PWROPMODE(pwr_status); + + desc.usb_pd = mode == TYPEC_PWR_MODE_PD; + desc.accessory = TYPEC_ACCESSORY_NONE; /* XXX: handle accessories */ + desc.identity = NULL; + + if (desc.usb_pd) { + ret = tps6598x_read_partner_identity(tps); + if (ret) + return ret; + desc.identity = &tps->partner_identity; + } + + tps->partner = typec_register_partner(tps->port, &desc); + if (!tps->partner) + return -ENODEV; + + typec_set_pwr_opmode(tps->port, mode); + typec_set_pwr_role(tps->port, TPS_STATUS_PORTROLE(status)); + typec_set_vconn_role(tps->port, TPS_STATUS_VCONN(status)); + typec_set_data_role(tps->port, TPS_STATUS_DATAROLE(status)); + + if (desc.identity) + typec_partner_set_identity(tps->partner); + + return 0; +} + +static void tps6598x_disconnect(struct tps6598x *tps, u32 status) +{ + typec_unregister_partner(tps->partner); + tps->partner = NULL; + typec_set_pwr_opmode(tps->port, TYPEC_PWR_MODE_USB); + typec_set_pwr_role(tps->port, TPS_STATUS_PORTROLE(status)); + typec_set_vconn_role(tps->port, TPS_STATUS_VCONN(status)); + typec_set_data_role(tps->port, TPS_STATUS_DATAROLE(status)); +} + +static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd, + size_t in_len, u8 *in_data, + size_t out_len, u8 *out_data) +{ + unsigned long timeout; + u32 val; + int ret; + + ret = tps6598x_read32(tps, TPS_REG_CMD1, &val); + if (ret) + return ret; + if (val && !INVALID_CMD(val)) + return -EBUSY; + + if (in_len) { + ret = regmap_raw_write(tps->regmap, TPS_REG_DATA1, + in_data, in_len); + if (ret) + return ret; + } + + ret = tps6598x_write_4cc(tps, TPS_REG_CMD1, cmd); + if (ret < 0) + return ret; + + /* XXX: Using 1s for now, but it may not be enough for every command. */ + timeout = jiffies + msecs_to_jiffies(1000); + + do { + ret = tps6598x_read32(tps, TPS_REG_CMD1, &val); + if (ret) + return ret; + if (INVALID_CMD(val)) + return -EINVAL; + + if (time_is_before_jiffies(timeout)) + return -ETIMEDOUT; + } while (val); + + if (out_len) { + ret = regmap_raw_read(tps->regmap, TPS_REG_DATA1, + out_data, out_len); + if (ret) + return ret; + val = out_data[0]; + } else { + ret = regmap_read(tps->regmap, TPS_REG_DATA1, &val); + if (ret) + return ret; + } + + switch (val) { + case TPS_TASK_TIMEOUT: + return -ETIMEDOUT; + case TPS_TASK_REJECTED: + return -EPERM; + default: + break; + } + + return 0; +} + +static int +tps6598x_dr_set(const struct typec_capability *cap, enum typec_data_role role) +{ + struct tps6598x *tps = container_of(cap, struct tps6598x, typec_cap); + const char *cmd = (role == TYPEC_DEVICE) ? "SWUF" : "SWDF"; + u32 status; + int ret; + + mutex_lock(&tps->lock); + + ret = tps6598x_exec_cmd(tps, cmd, 0, NULL, 0, NULL); + if (ret) + goto out_unlock; + + ret = tps6598x_read32(tps, TPS_REG_STATUS, &status); + if (ret) + goto out_unlock; + + if (role != TPS_STATUS_DATAROLE(status)) { + ret = -EPROTO; + goto out_unlock; + } + + typec_set_data_role(tps->port, role); + +out_unlock: + mutex_unlock(&tps->lock); + + return ret; +} + +static int +tps6598x_pr_set(const struct typec_capability *cap, enum typec_role role) +{ + struct tps6598x *tps = container_of(cap, struct tps6598x, typec_cap); + const char *cmd = (role == TYPEC_SINK) ? "SWSk" : "SWSr"; + u32 status; + int ret; + + mutex_lock(&tps->lock); + + ret = tps6598x_exec_cmd(tps, cmd, 0, NULL, 0, NULL); + if (ret) + goto out_unlock; + + ret = tps6598x_read32(tps, TPS_REG_STATUS, &status); + if (ret) + goto out_unlock; + + if (role != TPS_STATUS_PORTROLE(status)) { + ret = -EPROTO; + goto out_unlock; + } + + typec_set_pwr_role(tps->port, role); + +out_unlock: + mutex_unlock(&tps->lock); + + return ret; +} + +static irqreturn_t tps6598x_interrupt(int irq, void *data) +{ + struct tps6598x *tps = data; + u64 event1; + u64 event2; + u32 status; + int ret; + + mutex_lock(&tps->lock); + + ret = tps6598x_read64(tps, TPS_REG_INT_EVENT1, &event1); + ret |= tps6598x_read64(tps, TPS_REG_INT_EVENT2, &event2); + if (ret) { + dev_err(tps->dev, "%s: failed to read events\n", __func__); + goto err_unlock; + } + + ret = tps6598x_read32(tps, TPS_REG_STATUS, &status); + if (ret) { + dev_err(tps->dev, "%s: failed to read status\n", __func__); + goto err_clear_ints; + } + + /* Handle plug insert or removal */ + if ((event1 | event2) & TPS_REG_INT_PLUG_EVENT) { + if (status & TPS_STATUS_PLUG_PRESENT) { + ret = tps6598x_connect(tps, status); + if (ret) + dev_err(tps->dev, + "failed to register partner\n"); + } else { + tps6598x_disconnect(tps, status); + } + } + +err_clear_ints: + tps6598x_write64(tps, TPS_REG_INT_CLEAR1, event1); + tps6598x_write64(tps, TPS_REG_INT_CLEAR2, event2); + +err_unlock: + mutex_unlock(&tps->lock); + + return IRQ_HANDLED; +} + +static const struct regmap_config tps6598x_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = 0x7F, +}; + +static int tps6598x_probe(struct i2c_client *client) +{ + struct tps6598x *tps; + u32 status; + u32 conf; + u32 vid; + int ret; + + tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); + if (!tps) + return -ENOMEM; + + mutex_init(&tps->lock); + tps->dev = &client->dev; + + tps->regmap = devm_regmap_init_i2c(client, &tps6598x_regmap_config); + if (IS_ERR(tps->regmap)) + return PTR_ERR(tps->regmap); + + ret = tps6598x_read32(tps, 0, &vid); + if (ret < 0) + return ret; + if (!vid) + return -ENODEV; + + ret = tps6598x_read32(tps, TPS_REG_STATUS, &status); + if (ret < 0) + return ret; + + ret = tps6598x_read32(tps, TPS_REG_SYSTEM_CONF, &conf); + if (ret < 0) + return ret; + + switch (TPS_SYSCONF_PORTINFO(conf)) { + case TPS_PORTINFO_SINK_ACCESSORY: + case TPS_PORTINFO_SINK: + tps->typec_cap.type = TYPEC_PORT_UFP; + break; + case TPS_PORTINFO_DRP_UFP_DRD: + case TPS_PORTINFO_DRP_DFP_DRD: + tps->typec_cap.dr_set = tps6598x_dr_set; + /* fall through */ + case TPS_PORTINFO_DRP_UFP: + case TPS_PORTINFO_DRP_DFP: + tps->typec_cap.pr_set = tps6598x_pr_set; + tps->typec_cap.type = TYPEC_PORT_DRP; + break; + case TPS_PORTINFO_SOURCE: + tps->typec_cap.type = TYPEC_PORT_DFP; + break; + default: + return -ENODEV; + } + + tps->typec_cap.revision = USB_TYPEC_REV_1_2; + tps->typec_cap.pd_revision = 0x200; + tps->typec_cap.prefer_role = TYPEC_NO_PREFERRED_ROLE; + + tps->port = typec_register_port(&client->dev, &tps->typec_cap); + if (!tps->port) + return -ENODEV; + + if (status & TPS_STATUS_PLUG_PRESENT) { + ret = tps6598x_connect(tps, status); + if (ret) + dev_err(&client->dev, "failed to register partner\n"); + } + + ret = devm_request_threaded_irq(&client->dev, client->irq, NULL, + tps6598x_interrupt, + IRQF_SHARED | IRQF_ONESHOT, + dev_name(&client->dev), tps); + if (ret) { + tps6598x_disconnect(tps, 0); + typec_unregister_port(tps->port); + return ret; + } + + i2c_set_clientdata(client, tps); + + return 0; +} + +static int tps6598x_remove(struct i2c_client *client) +{ + struct tps6598x *tps = i2c_get_clientdata(client); + + tps6598x_disconnect(tps, 0); + typec_unregister_port(tps->port); + + return 0; +} + +static const struct acpi_device_id tps6598x_acpi_match[] = { + { "INT3515", 0 }, + { } +}; +MODULE_DEVICE_TABLE(acpi, tps6598x_acpi_match); + +static struct i2c_driver tps6598x_i2c_driver = { + .driver = { + .name = "tps6598x", + .acpi_match_table = tps6598x_acpi_match, + }, + .probe_new = tps6598x_probe, + .remove = tps6598x_remove, +}; +module_i2c_driver(tps6598x_i2c_driver); + +MODULE_AUTHOR("Heikki Krogerus <heikki.krogerus@linux.intel.com>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("TI TPS6598x USB Power Delivery Controller Driver"); diff --git a/drivers/usb/typec/typec.c b/drivers/usb/typec/typec.c index 24e355ba109d..735726ced602 100644 --- a/drivers/usb/typec/typec.c +++ b/drivers/usb/typec/typec.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Type-C Connector Class * * Copyright (C) 2017, Intel Corporation * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/device.h> diff --git a/drivers/usb/typec/typec_wcove.c b/drivers/usb/typec/typec_wcove.c index e9c4e784a9cb..a8d479eb221a 100644 --- a/drivers/usb/typec/typec_wcove.c +++ b/drivers/usb/typec/typec_wcove.c @@ -1,24 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 /** * typec_wcove.c - WhiskeyCove PMIC USB Type-C PHY driver * * Copyright (C) 2017 Intel Corporation * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/acpi.h> #include <linux/module.h> +#include <linux/usb/tcpm.h> #include <linux/interrupt.h> -#include <linux/usb/typec.h> #include <linux/platform_device.h> #include <linux/mfd/intel_soc_pmic.h> /* Register offsets */ #define WCOVE_CHGRIRQ0 0x4e09 -#define WCOVE_PHYCTRL 0x5e07 #define USBC_CONTROL1 0x7001 #define USBC_CONTROL2 0x7002 @@ -28,22 +24,57 @@ #define USBC_STATUS1 0x7007 #define USBC_STATUS2 0x7008 #define USBC_STATUS3 0x7009 +#define USBC_CC1 0x700a +#define USBC_CC2 0x700b +#define USBC_CC1_STATUS 0x700c +#define USBC_CC2_STATUS 0x700d #define USBC_IRQ1 0x7015 #define USBC_IRQ2 0x7016 #define USBC_IRQMASK1 0x7017 #define USBC_IRQMASK2 0x7018 +#define USBC_PDCFG2 0x701a +#define USBC_PDCFG3 0x701b +#define USBC_PDSTATUS 0x701c +#define USBC_RXSTATUS 0x701d +#define USBC_RXINFO 0x701e +#define USBC_TXCMD 0x701f +#define USBC_TXINFO 0x7020 +#define USBC_RX_DATA 0x7028 +#define USBC_TX_DATA 0x7047 /* Register bits */ -#define USBC_CONTROL1_MODE_DRP(r) (((r) & ~0x7) | 4) +#define USBC_CONTROL1_MODE_MASK 0x3 +#define USBC_CONTROL1_MODE_SNK 0 +#define USBC_CONTROL1_MODE_SNKACC 1 +#define USBC_CONTROL1_MODE_SRC 2 +#define USBC_CONTROL1_MODE_SRCACC 3 +#define USBC_CONTROL1_MODE_DRP 4 +#define USBC_CONTROL1_MODE_DRPACC 5 +#define USBC_CONTROL1_MODE_TEST 7 +#define USBC_CONTROL1_CURSRC_MASK 0xc +#define USBC_CONTROL1_CURSRC_UA_0 (0 << 3) +#define USBC_CONTROL1_CURSRC_UA_80 (1 << 3) +#define USBC_CONTROL1_CURSRC_UA_180 (2 << 3) +#define USBC_CONTROL1_CURSRC_UA_330 (3 << 3) +#define USBC_CONTROL1_DRPTOGGLE_RANDOM 0xe0 #define USBC_CONTROL2_UNATT_SNK BIT(0) #define USBC_CONTROL2_UNATT_SRC BIT(1) #define USBC_CONTROL2_DIS_ST BIT(2) +#define USBC_CONTROL3_DET_DIS BIT(0) #define USBC_CONTROL3_PD_DIS BIT(1) +#define USBC_CONTROL3_RESETPHY BIT(2) +#define USBC_CC_CTRL_PU_EN BIT(0) #define USBC_CC_CTRL_VCONN_EN BIT(1) +#define USBC_CC_CTRL_TX_EN BIT(2) +#define USBC_CC_CTRL_PD_EN BIT(3) +#define USBC_CC_CTRL_CDET_EN BIT(4) +#define USBC_CC_CTRL_RDET_EN BIT(5) +#define USBC_CC_CTRL_ADC_EN BIT(6) +#define USBC_CC_CTRL_VBUSOK BIT(7) #define USBC_STATUS1_DET_ONGOING BIT(6) #define USBC_STATUS1_RSLT(r) ((r) & 0xf) @@ -61,6 +92,15 @@ #define USBC_STATUS2_VBUS_REQ BIT(5) +#define UCSC_CC_STATUS_SNK_RP BIT(0) +#define UCSC_CC_STATUS_PWRDEFSNK BIT(1) +#define UCSC_CC_STATUS_PWR_1P5A_SNK BIT(2) +#define UCSC_CC_STATUS_PWR_3A_SNK BIT(3) +#define UCSC_CC_STATUS_SRC_RP BIT(4) +#define UCSC_CC_STATUS_RX(r) (((r) >> 5) & 0x3) +#define USBC_CC_STATUS_RD 1 +#define USBC_CC_STATUS_RA 2 + #define USBC_IRQ1_ADCDONE1 BIT(2) #define USBC_IRQ1_OVERTEMP BIT(1) #define USBC_IRQ1_SHORT BIT(0) @@ -79,15 +119,44 @@ USBC_IRQ2_RX_HR | USBC_IRQ2_RX_CR | \ USBC_IRQ2_TX_SUCCESS | USBC_IRQ2_TX_FAIL) +#define USBC_PDCFG2_SOP BIT(0) +#define USBC_PDCFG2_SOP_P BIT(1) +#define USBC_PDCFG2_SOP_PP BIT(2) +#define USBC_PDCFG2_SOP_P_DEBUG BIT(3) +#define USBC_PDCFG2_SOP_PP_DEBUG BIT(4) + +#define USBC_PDCFG3_DATAROLE_SHIFT 1 +#define USBC_PDCFG3_SOP_SHIFT 2 + +#define USBC_RXSTATUS_RXCLEAR BIT(0) +#define USBC_RXSTATUS_RXDATA BIT(7) + +#define USBC_RXINFO_RXBYTES(i) (((i) >> 3) & 0x1f) + +#define USBC_TXCMD_BUF_RDY BIT(0) +#define USBC_TXCMD_START BIT(1) +#define USBC_TXCMD_NOP (0 << 5) +#define USBC_TXCMD_MSG (1 << 5) +#define USBC_TXCMD_CR (2 << 5) +#define USBC_TXCMD_HR (3 << 5) +#define USBC_TXCMD_BIST (4 << 5) + +#define USBC_TXINFO_RETRIES(d) (d << 3) + struct wcove_typec { struct mutex lock; /* device lock */ struct device *dev; struct regmap *regmap; - struct typec_port *port; - struct typec_capability cap; - struct typec_partner *partner; + guid_t guid; + + bool vbus; + + struct tcpc_dev tcpc; + struct tcpm_port *tcpm; }; +#define tcpc_to_wcove(_tcpc_) container_of(_tcpc_, struct wcove_typec, tcpc) + enum wcove_typec_func { WCOVE_FUNC_DRIVE_VBUS = 1, WCOVE_FUNC_ORIENTATION, @@ -105,8 +174,7 @@ enum wcove_typec_role { WCOVE_ROLE_DEVICE, }; -static guid_t guid = GUID_INIT(0x482383f0, 0x2876, 0x4e49, - 0x86, 0x85, 0xdb, 0x66, 0x21, 0x1a, 0xf0, 0x37); +#define WCOVE_DSM_UUID "482383f0-2876-4e49-8685-db66211af037" static int wcove_typec_func(struct wcove_typec *wcove, enum wcove_typec_func func, int param) @@ -118,7 +186,7 @@ static int wcove_typec_func(struct wcove_typec *wcove, tmp.type = ACPI_TYPE_INTEGER; tmp.integer.value = param; - obj = acpi_evaluate_dsm(ACPI_HANDLE(wcove->dev), &guid, 1, func, + obj = acpi_evaluate_dsm(ACPI_HANDLE(wcove->dev), &wcove->guid, 1, func, &argv4); if (!obj) { dev_err(wcove->dev, "%s: failed to evaluate _DSM\n", __func__); @@ -129,158 +197,349 @@ static int wcove_typec_func(struct wcove_typec *wcove, return 0; } -static irqreturn_t wcove_typec_irq(int irq, void *data) +static int wcove_init(struct tcpc_dev *tcpc) { - enum typec_role role = TYPEC_SINK; - struct typec_partner_desc partner; - struct wcove_typec *wcove = data; - unsigned int cc1_ctrl; - unsigned int cc2_ctrl; - unsigned int cc_irq1; - unsigned int cc_irq2; - unsigned int status1; - unsigned int status2; + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); int ret; - mutex_lock(&wcove->lock); - - ret = regmap_read(wcove->regmap, USBC_IRQ1, &cc_irq1); + /* Unmask everything */ + ret = regmap_write(wcove->regmap, USBC_IRQMASK1, 0); if (ret) - goto err; + return ret; - ret = regmap_read(wcove->regmap, USBC_IRQ2, &cc_irq2); - if (ret) - goto err; + return regmap_write(wcove->regmap, USBC_IRQMASK2, 0); +} - ret = regmap_read(wcove->regmap, USBC_STATUS1, &status1); - if (ret) - goto err; +static int wcove_get_vbus(struct tcpc_dev *tcpc) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); + unsigned int cc1ctrl; + int ret; - ret = regmap_read(wcove->regmap, USBC_STATUS2, &status2); + ret = regmap_read(wcove->regmap, USBC_CC1_CTRL, &cc1ctrl); if (ret) - goto err; + return ret; - ret = regmap_read(wcove->regmap, USBC_CC1_CTRL, &cc1_ctrl); - if (ret) - goto err; + wcove->vbus = !!(cc1ctrl & USBC_CC_CTRL_VBUSOK); - ret = regmap_read(wcove->regmap, USBC_CC2_CTRL, &cc2_ctrl); - if (ret) - goto err; + return wcove->vbus; +} - if (cc_irq1) { - if (cc_irq1 & USBC_IRQ1_OVERTEMP) - dev_err(wcove->dev, "VCONN Switch Over Temperature!\n"); - if (cc_irq1 & USBC_IRQ1_SHORT) - dev_err(wcove->dev, "VCONN Switch Short Circuit!\n"); - ret = regmap_write(wcove->regmap, USBC_IRQ1, cc_irq1); - if (ret) - goto err; - } +static int wcove_set_vbus(struct tcpc_dev *tcpc, bool on, bool sink) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); - if (cc_irq2) { - ret = regmap_write(wcove->regmap, USBC_IRQ2, cc_irq2); - if (ret) - goto err; - /* - * Ignoring any PD communication interrupts until the PD support - * is available - */ - if (cc_irq2 & ~USBC_IRQ2_CC_CHANGE) { - dev_WARN(wcove->dev, "USB PD handling missing\n"); - goto err; + return wcove_typec_func(wcove, WCOVE_FUNC_DRIVE_VBUS, on); +} + +static int wcove_set_vconn(struct tcpc_dev *tcpc, bool on) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); + + return wcove_typec_func(wcove, WCOVE_FUNC_DRIVE_VCONN, on); +} + +static enum typec_cc_status wcove_to_typec_cc(unsigned int cc) +{ + if (cc & UCSC_CC_STATUS_SNK_RP) { + if (cc & UCSC_CC_STATUS_PWRDEFSNK) + return TYPEC_CC_RP_DEF; + else if (cc & UCSC_CC_STATUS_PWR_1P5A_SNK) + return TYPEC_CC_RP_1_5; + else if (cc & UCSC_CC_STATUS_PWR_3A_SNK) + return TYPEC_CC_RP_3_0; + } else { + switch (UCSC_CC_STATUS_RX(cc)) { + case USBC_CC_STATUS_RD: + return TYPEC_CC_RD; + case USBC_CC_STATUS_RA: + return TYPEC_CC_RA; + default: + break; } } + return TYPEC_CC_OPEN; +} - if (status1 & USBC_STATUS1_DET_ONGOING) - goto out; +static int wcove_get_cc(struct tcpc_dev *tcpc, enum typec_cc_status *cc1, + enum typec_cc_status *cc2) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); + unsigned int cc1_status; + unsigned int cc2_status; + int ret; - if (USBC_STATUS1_RSLT(status1) == USBC_RSLT_NOTHING) { - if (wcove->partner) { - typec_unregister_partner(wcove->partner); - wcove->partner = NULL; - } + ret = regmap_read(wcove->regmap, USBC_CC1_STATUS, &cc1_status); + if (ret) + return ret; - wcove_typec_func(wcove, WCOVE_FUNC_ORIENTATION, - WCOVE_ORIENTATION_NORMAL); + ret = regmap_read(wcove->regmap, USBC_CC2_STATUS, &cc2_status); + if (ret) + return ret; - /* This makes sure the device controller is disconnected */ - wcove_typec_func(wcove, WCOVE_FUNC_ROLE, WCOVE_ROLE_HOST); + *cc1 = wcove_to_typec_cc(cc1_status); + *cc2 = wcove_to_typec_cc(cc2_status); - /* Port to default role */ - typec_set_data_role(wcove->port, TYPEC_DEVICE); - typec_set_pwr_role(wcove->port, TYPEC_SINK); - typec_set_pwr_opmode(wcove->port, TYPEC_PWR_MODE_USB); + return 0; +} - goto out; - } +static int wcove_set_cc(struct tcpc_dev *tcpc, enum typec_cc_status cc) +{ + /* XXX: Relying on the HW FSM to configure things correctly for now */ + return 0; +} - if (wcove->partner) - goto out; +static int wcove_set_polarity(struct tcpc_dev *tcpc, enum typec_cc_polarity pol) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); - switch (USBC_STATUS1_ORIENT(status1)) { - case USBC_ORIENT_NORMAL: - wcove_typec_func(wcove, WCOVE_FUNC_ORIENTATION, - WCOVE_ORIENTATION_NORMAL); - break; - case USBC_ORIENT_REVERSE: - wcove_typec_func(wcove, WCOVE_FUNC_ORIENTATION, - WCOVE_ORIENTATION_REVERSE); - default: - break; + return wcove_typec_func(wcove, WCOVE_FUNC_ORIENTATION, pol); +} + +static int wcove_set_current_limit(struct tcpc_dev *tcpc, u32 max_ma, u32 mv) +{ + return 0; +} + +static int wcove_set_roles(struct tcpc_dev *tcpc, bool attached, + enum typec_role role, enum typec_data_role data) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); + unsigned int val; + int ret; + + ret = wcove_typec_func(wcove, WCOVE_FUNC_ROLE, data == TYPEC_HOST ? + WCOVE_ROLE_HOST : WCOVE_ROLE_DEVICE); + if (ret) + return ret; + + val = role; + val |= data << USBC_PDCFG3_DATAROLE_SHIFT; + val |= PD_REV20 << USBC_PDCFG3_SOP_SHIFT; + + return regmap_write(wcove->regmap, USBC_PDCFG3, val); +} + +static int wcove_set_pd_rx(struct tcpc_dev *tcpc, bool on) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); + + return regmap_write(wcove->regmap, USBC_PDCFG2, + on ? USBC_PDCFG2_SOP : 0); +} + +static int wcove_pd_transmit(struct tcpc_dev *tcpc, + enum tcpm_transmit_type type, + const struct pd_message *msg) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); + unsigned int info = 0; + unsigned int cmd; + int ret; + + ret = regmap_read(wcove->regmap, USBC_TXCMD, &cmd); + if (ret) + return ret; + + if (!(cmd & USBC_TXCMD_BUF_RDY)) { + dev_warn(wcove->dev, "%s: Last transmission still ongoing!", + __func__); + return -EBUSY; } - memset(&partner, 0, sizeof(partner)); + if (msg) { + const u8 *data = (void *)msg; + int i; + + for (i = 0; i < pd_header_cnt(msg->header) * 4 + 2; i++) { + ret = regmap_write(wcove->regmap, USBC_TX_DATA + i, + data[i]); + if (ret) + return ret; + } + } - switch (USBC_STATUS1_RSLT(status1)) { - case USBC_RSLT_SRC_DEFAULT: - typec_set_pwr_opmode(wcove->port, TYPEC_PWR_MODE_USB); + switch (type) { + case TCPC_TX_SOP: + case TCPC_TX_SOP_PRIME: + case TCPC_TX_SOP_PRIME_PRIME: + case TCPC_TX_SOP_DEBUG_PRIME: + case TCPC_TX_SOP_DEBUG_PRIME_PRIME: + info = type + 1; + cmd = USBC_TXCMD_MSG; break; - case USBC_RSLT_SRC_1_5A: - typec_set_pwr_opmode(wcove->port, TYPEC_PWR_MODE_1_5A); + case TCPC_TX_HARD_RESET: + cmd = USBC_TXCMD_HR; break; - case USBC_RSLT_SRC_3_0A: - typec_set_pwr_opmode(wcove->port, TYPEC_PWR_MODE_3_0A); + case TCPC_TX_CABLE_RESET: + cmd = USBC_TXCMD_CR; break; - case USBC_RSLT_SNK: - role = TYPEC_SOURCE; + case TCPC_TX_BIST_MODE_2: + cmd = USBC_TXCMD_BIST; break; - case USBC_RSLT_DEBUG_ACC: - partner.accessory = TYPEC_ACCESSORY_DEBUG; + default: + return -EINVAL; + } + + /* NOTE Setting maximum number of retries (7) */ + ret = regmap_write(wcove->regmap, USBC_TXINFO, + info | USBC_TXINFO_RETRIES(7)); + if (ret) + return ret; + + return regmap_write(wcove->regmap, USBC_TXCMD, cmd | USBC_TXCMD_START); +} + +static int wcove_start_drp_toggling(struct tcpc_dev *tcpc, + enum typec_cc_status cc) +{ + struct wcove_typec *wcove = tcpc_to_wcove(tcpc); + unsigned int usbc_ctrl; + + usbc_ctrl = USBC_CONTROL1_MODE_DRP | USBC_CONTROL1_DRPTOGGLE_RANDOM; + + switch (cc) { + case TYPEC_CC_RP_1_5: + usbc_ctrl |= USBC_CONTROL1_CURSRC_UA_180; break; - case USBC_RSLT_AUDIO_ACC: - partner.accessory = TYPEC_ACCESSORY_AUDIO; + case TYPEC_CC_RP_3_0: + usbc_ctrl |= USBC_CONTROL1_CURSRC_UA_330; break; default: - dev_WARN(wcove->dev, "%s Undefined result\n", __func__); - goto err; + usbc_ctrl |= USBC_CONTROL1_CURSRC_UA_80; + break; } - if (role == TYPEC_SINK) { - wcove_typec_func(wcove, WCOVE_FUNC_ROLE, WCOVE_ROLE_DEVICE); - typec_set_data_role(wcove->port, TYPEC_DEVICE); - typec_set_pwr_role(wcove->port, TYPEC_SINK); - } else { - wcove_typec_func(wcove, WCOVE_FUNC_ROLE, WCOVE_ROLE_HOST); - typec_set_pwr_role(wcove->port, TYPEC_SOURCE); - typec_set_data_role(wcove->port, TYPEC_HOST); + return regmap_write(wcove->regmap, USBC_CONTROL1, usbc_ctrl); +} + +static int wcove_read_rx_buffer(struct wcove_typec *wcove, void *msg) +{ + unsigned int info; + int ret; + int i; + + ret = regmap_read(wcove->regmap, USBC_RXINFO, &info); + if (ret) + return ret; + + /* FIXME: Check that USBC_RXINFO_RXBYTES(info) matches the header */ + + for (i = 0; i < USBC_RXINFO_RXBYTES(info); i++) { + ret = regmap_read(wcove->regmap, USBC_RX_DATA + i, msg + i); + if (ret) + return ret; } - wcove->partner = typec_register_partner(wcove->port, &partner); - if (!wcove->partner) - dev_err(wcove->dev, "failed register partner\n"); -out: - /* If either CC pins is requesting VCONN, we turn it on */ - if ((cc1_ctrl & USBC_CC_CTRL_VCONN_EN) || - (cc2_ctrl & USBC_CC_CTRL_VCONN_EN)) - wcove_typec_func(wcove, WCOVE_FUNC_DRIVE_VCONN, true); - else + return regmap_write(wcove->regmap, USBC_RXSTATUS, + USBC_RXSTATUS_RXCLEAR); +} + +static irqreturn_t wcove_typec_irq(int irq, void *data) +{ + struct wcove_typec *wcove = data; + unsigned int usbc_irq1 = 0; + unsigned int usbc_irq2 = 0; + unsigned int cc1ctrl; + int ret; + + mutex_lock(&wcove->lock); + + /* Read.. */ + ret = regmap_read(wcove->regmap, USBC_IRQ1, &usbc_irq1); + if (ret) + goto err; + + ret = regmap_read(wcove->regmap, USBC_IRQ2, &usbc_irq2); + if (ret) + goto err; + + ret = regmap_read(wcove->regmap, USBC_CC1_CTRL, &cc1ctrl); + if (ret) + goto err; + + if (!wcove->tcpm) + goto err; + + /* ..check.. */ + if (usbc_irq1 & USBC_IRQ1_OVERTEMP) { + dev_err(wcove->dev, "VCONN Switch Over Temperature!\n"); + wcove_typec_func(wcove, WCOVE_FUNC_DRIVE_VCONN, false); + /* REVISIT: Report an error? */ + } + + if (usbc_irq1 & USBC_IRQ1_SHORT) { + dev_err(wcove->dev, "VCONN Switch Short Circuit!\n"); wcove_typec_func(wcove, WCOVE_FUNC_DRIVE_VCONN, false); + /* REVISIT: Report an error? */ + } + + if (wcove->vbus != !!(cc1ctrl & USBC_CC_CTRL_VBUSOK)) + tcpm_vbus_change(wcove->tcpm); + + /* REVISIT: See if tcpm code can be made to consider Type-C HW FSMs */ + if (usbc_irq2 & USBC_IRQ2_CC_CHANGE) + tcpm_cc_change(wcove->tcpm); + + if (usbc_irq2 & USBC_IRQ2_RX_PD) { + unsigned int status; + + /* + * FIXME: Need to check if TX is ongoing and report + * TX_DIREGARDED if needed? + */ + + ret = regmap_read(wcove->regmap, USBC_RXSTATUS, &status); + if (ret) + goto err; + + /* Flush all buffers */ + while (status & USBC_RXSTATUS_RXDATA) { + struct pd_message msg; + + ret = wcove_read_rx_buffer(wcove, &msg); + if (ret) { + dev_err(wcove->dev, "%s: RX read failed\n", + __func__); + goto err; + } + + tcpm_pd_receive(wcove->tcpm, &msg); + + ret = regmap_read(wcove->regmap, USBC_RXSTATUS, + &status); + if (ret) + goto err; + } + } + + if (usbc_irq2 & USBC_IRQ2_RX_HR) + tcpm_pd_hard_reset(wcove->tcpm); + + /* REVISIT: if (usbc_irq2 & USBC_IRQ2_RX_CR) */ + + if (usbc_irq2 & USBC_IRQ2_TX_SUCCESS) + tcpm_pd_transmit_complete(wcove->tcpm, TCPC_TX_SUCCESS); + + if (usbc_irq2 & USBC_IRQ2_TX_FAIL) + tcpm_pd_transmit_complete(wcove->tcpm, TCPC_TX_FAILED); - /* Relying on the FSM to know when we need to drive VBUS. */ - wcove_typec_func(wcove, WCOVE_FUNC_DRIVE_VBUS, - !!(status2 & USBC_STATUS2_VBUS_REQ)); err: + /* ..and clear. */ + if (usbc_irq1) { + ret = regmap_write(wcove->regmap, USBC_IRQ1, usbc_irq1); + if (ret) + dev_WARN(wcove->dev, "%s failed to clear IRQ1\n", + __func__); + } + + if (usbc_irq2) { + ret = regmap_write(wcove->regmap, USBC_IRQ2, usbc_irq2); + if (ret) + dev_WARN(wcove->dev, "%s failed to clear IRQ2\n", + __func__); + } + /* REVISIT: Clear WhiskeyCove CHGR Type-C interrupt */ regmap_write(wcove->regmap, WCOVE_CHGRIRQ0, BIT(5)); @@ -288,11 +547,41 @@ err: return IRQ_HANDLED; } +/* + * The following power levels should be safe to use with Joule board. + */ +static const u32 src_pdo[] = { + PDO_FIXED(5000, 1500, PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP | + PDO_FIXED_USB_COMM), +}; + +static const u32 snk_pdo[] = { + PDO_FIXED(12000, 3000, PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP | + PDO_FIXED_USB_COMM), + PDO_BATT(4750, 12000, 15000), + PDO_VAR(4750, 12000, 3000), +}; + +static struct tcpc_config wcove_typec_config = { + .src_pdo = src_pdo, + .nr_src_pdo = ARRAY_SIZE(src_pdo), + .snk_pdo = snk_pdo, + .nr_snk_pdo = ARRAY_SIZE(snk_pdo), + + .max_snk_mv = 12000, + .max_snk_ma = 3000, + .max_snk_mw = 36000, + .operating_snk_mw = 15000, + + .type = TYPEC_PORT_DRP, + .default_role = TYPEC_SINK, +}; + static int wcove_typec_probe(struct platform_device *pdev) { struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent); struct wcove_typec *wcove; - unsigned int val; + int irq; int ret; wcove = devm_kzalloc(&pdev->dev, sizeof(*wcove), GFP_KERNEL); @@ -303,43 +592,47 @@ static int wcove_typec_probe(struct platform_device *pdev) wcove->dev = &pdev->dev; wcove->regmap = pmic->regmap; - ret = regmap_irq_get_virq(pmic->irq_chip_data_chgr, + irq = regmap_irq_get_virq(pmic->irq_chip_data_chgr, platform_get_irq(pdev, 0)); - if (ret < 0) - return ret; + if (irq < 0) + return irq; - ret = devm_request_threaded_irq(&pdev->dev, ret, NULL, - wcove_typec_irq, IRQF_ONESHOT, - "wcove_typec", wcove); + ret = guid_parse(WCOVE_DSM_UUID, &wcove->guid); if (ret) return ret; - if (!acpi_check_dsm(ACPI_HANDLE(&pdev->dev), &guid, 0, 0x1f)) { + if (!acpi_check_dsm(ACPI_HANDLE(&pdev->dev), &wcove->guid, 0, 0x1f)) { dev_err(&pdev->dev, "Missing _DSM functions\n"); return -ENODEV; } - wcove->cap.type = TYPEC_PORT_DRP; - wcove->cap.revision = USB_TYPEC_REV_1_1; - wcove->cap.prefer_role = TYPEC_NO_PREFERRED_ROLE; + wcove->tcpc.init = wcove_init; + wcove->tcpc.get_vbus = wcove_get_vbus; + wcove->tcpc.set_vbus = wcove_set_vbus; + wcove->tcpc.set_cc = wcove_set_cc; + wcove->tcpc.get_cc = wcove_get_cc; + wcove->tcpc.set_polarity = wcove_set_polarity; + wcove->tcpc.set_vconn = wcove_set_vconn; + wcove->tcpc.set_current_limit = wcove_set_current_limit; + wcove->tcpc.start_drp_toggling = wcove_start_drp_toggling; - /* Make sure the PD PHY is disabled until USB PD is available */ - regmap_read(wcove->regmap, USBC_CONTROL3, &val); - regmap_write(wcove->regmap, USBC_CONTROL3, val | USBC_CONTROL3_PD_DIS); + wcove->tcpc.set_pd_rx = wcove_set_pd_rx; + wcove->tcpc.set_roles = wcove_set_roles; + wcove->tcpc.pd_transmit = wcove_pd_transmit; - /* DRP mode without accessory support */ - regmap_read(wcove->regmap, USBC_CONTROL1, &val); - regmap_write(wcove->regmap, USBC_CONTROL1, USBC_CONTROL1_MODE_DRP(val)); + wcove->tcpc.config = &wcove_typec_config; - wcove->port = typec_register_port(&pdev->dev, &wcove->cap); - if (!wcove->port) - return -ENODEV; + wcove->tcpm = tcpm_register_port(wcove->dev, &wcove->tcpc); + if (IS_ERR(wcove->tcpm)) + return PTR_ERR(wcove->tcpm); - /* Unmask everything */ - regmap_read(wcove->regmap, USBC_IRQMASK1, &val); - regmap_write(wcove->regmap, USBC_IRQMASK1, val & ~USBC_IRQMASK1_ALL); - regmap_read(wcove->regmap, USBC_IRQMASK2, &val); - regmap_write(wcove->regmap, USBC_IRQMASK2, val & ~USBC_IRQMASK2_ALL); + ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, + wcove_typec_irq, IRQF_ONESHOT, + "wcove_typec", wcove); + if (ret) { + tcpm_unregister_port(wcove->tcpm); + return ret; + } platform_set_drvdata(pdev, wcove); return 0; @@ -356,8 +649,8 @@ static int wcove_typec_remove(struct platform_device *pdev) regmap_read(wcove->regmap, USBC_IRQMASK2, &val); regmap_write(wcove->regmap, USBC_IRQMASK2, val | USBC_IRQMASK2_ALL); - typec_unregister_partner(wcove->partner); - typec_unregister_port(wcove->port); + tcpm_unregister_port(wcove->tcpm); + return 0; } diff --git a/drivers/usb/typec/ucsi/trace.c b/drivers/usb/typec/ucsi/trace.c index 006f65c72a34..d9a6ff6e673c 100644 --- a/drivers/usb/typec/ucsi/trace.c +++ b/drivers/usb/typec/ucsi/trace.c @@ -1,2 +1,3 @@ +// SPDX-License-Identifier: GPL-2.0 #define CREATE_TRACE_POINTS #include "trace.h" diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 714c5bcedf2b..79046fe66426 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Type-C Connector System Software Interface driver * * Copyright (C) 2017, Intel Corporation * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/completion.h> diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c index cabd47612b0a..44eb4e1ea817 100644 --- a/drivers/usb/typec/ucsi/ucsi_acpi.c +++ b/drivers/usb/typec/ucsi/ucsi_acpi.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * UCSI ACPI driver * * Copyright (C) 2017, Intel Corporation * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/platform_device.h> diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index bb0bd732e29a..26ca0ec01fd5 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -1,15 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB Skeleton driver - 2.2 * * Copyright (C) 2001-2004 Greg Kroah-Hartman (greg@kroah.com) * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - * * This driver is based on the 2.6.3 version of drivers/usb/usb-skeleton.c * but has been rewritten to be easier to read and use. - * */ #include <linux/kernel.h> diff --git a/drivers/usb/usbip/stub.h b/drivers/usb/usbip/stub.h index 910f027773aa..14a72357800a 100644 --- a/drivers/usb/usbip/stub.h +++ b/drivers/usb/usbip/stub.h @@ -1,20 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #ifndef __USBIP_STUB_H diff --git a/drivers/usb/usbip/stub_dev.c b/drivers/usb/usbip/stub_dev.c index c653ce533430..a3df8ee82faf 100644 --- a/drivers/usb/usbip/stub_dev.c +++ b/drivers/usb/usbip/stub_dev.c @@ -1,20 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/device.h> diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c index 7170404e8979..4f48b306713f 100644 --- a/drivers/usb/usbip/stub_main.c +++ b/drivers/usb/usbip/stub_main.c @@ -1,20 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/string.h> diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 191b176ffedf..536e037f541f 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -1,20 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <asm/byteorder.h> diff --git a/drivers/usb/usbip/stub_tx.c b/drivers/usb/usbip/stub_tx.c index be50cef645d8..b18bce96c212 100644 --- a/drivers/usb/usbip/stub_tx.c +++ b/drivers/usb/usbip/stub_tx.c @@ -1,20 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/kthread.h> diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index 2281f3562870..f7978933b402 100644 --- a/drivers/usb/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c @@ -1,22 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi * Copyright (C) 2015-2016 Samsung Electronics * Krzysztof Opasiak <k.opasiak@samsung.com> - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <asm/byteorder.h> diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h index 3050fc99a417..e5de35c8c505 100644 --- a/drivers/usb/usbip/usbip_common.h +++ b/drivers/usb/usbip/usbip_common.h @@ -1,22 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi * Copyright (C) 2015-2016 Samsung Electronics * Krzysztof Opasiak <k.opasiak@samsung.com> - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #ifndef __USBIP_COMMON_H diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c index f1635662c299..5b4c0864ad92 100644 --- a/drivers/usb/usbip/usbip_event.c +++ b/drivers/usb/usbip/usbip_event.c @@ -1,21 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi * Copyright (C) 2015 Nobuo Iwata - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/kthread.h> diff --git a/drivers/usb/usbip/vhci.h b/drivers/usb/usbip/vhci.h index 5cfb59e98e44..5659dce1526e 100644 --- a/drivers/usb/usbip/vhci.h +++ b/drivers/usb/usbip/vhci.h @@ -1,12 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi * Copyright (C) 2015 Nobuo Iwata - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #ifndef __USBIP_VHCI_H diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 11b9a22799cc..713e94170963 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -1,21 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi * Copyright (C) 2015-2016 Nobuo Iwata - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/init.h> diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c index ef2f2d5ca6b2..90577e8b2282 100644 --- a/drivers/usb/usbip/vhci_rx.c +++ b/drivers/usb/usbip/vhci_rx.c @@ -1,20 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/kthread.h> diff --git a/drivers/usb/usbip/vhci_sysfs.c b/drivers/usb/usbip/vhci_sysfs.c index 1b9f60a22e0b..e78f7472cac4 100644 --- a/drivers/usb/usbip/vhci_sysfs.c +++ b/drivers/usb/usbip/vhci_sysfs.c @@ -1,21 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi * Copyright (C) 2015-2016 Nobuo Iwata - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/kthread.h> diff --git a/drivers/usb/usbip/vhci_tx.c b/drivers/usb/usbip/vhci_tx.c index 3e7878fe2fd4..d625a2ff4b71 100644 --- a/drivers/usb/usbip/vhci_tx.c +++ b/drivers/usb/usbip/vhci_tx.c @@ -1,20 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2003-2008 Takahiro Hirofuchi - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. */ #include <linux/kthread.h> diff --git a/drivers/usb/usbip/vudc.h b/drivers/usb/usbip/vudc.h index 25e01b09c4c3..cf968192e59f 100644 --- a/drivers/usb/usbip/vudc.h +++ b/drivers/usb/usbip/vudc.h @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> * Copyright (C) 2015-2016 Samsung Electronics * Igor Kotrasinski <i.kotrasinsk@samsung.com> * Krzysztof Opasiak <k.opasiak@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __USBIP_VUDC_H @@ -104,7 +92,7 @@ struct vudc { struct usbip_device ud; struct transfer_timer tr_timer; - struct timeval start_time; + struct timespec64 start_time; struct list_head urb_queue; diff --git a/drivers/usb/usbip/vudc_dev.c b/drivers/usb/usbip/vudc_dev.c index 968471b62cbc..1b9a4f87db59 100644 --- a/drivers/usb/usbip/vudc_dev.c +++ b/drivers/usb/usbip/vudc_dev.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> * Copyright (C) 2015-2016 Samsung Electronics * Igor Kotrasinski <i.kotrasinsk@samsung.com> * Krzysztof Opasiak <k.opasiak@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/device.h> @@ -135,16 +123,15 @@ struct vep *vudc_find_endpoint(struct vudc *udc, u8 address) /* gadget ops */ -/* FIXME - this will probably misbehave when suspend/resume is added */ static int vgadget_get_frame(struct usb_gadget *_gadget) { - struct timeval now; + struct timespec64 now; struct vudc *udc = usb_gadget_to_vudc(_gadget); - do_gettimeofday(&now); + ktime_get_ts64(&now); return ((now.tv_sec - udc->start_time.tv_sec) * 1000 + - (now.tv_usec - udc->start_time.tv_usec) / 1000) - % 0x7FF; + (now.tv_nsec - udc->start_time.tv_nsec) / NSEC_PER_MSEC) + & 0x7FF; } static int vgadget_set_selfpowered(struct usb_gadget *_gadget, int value) diff --git a/drivers/usb/usbip/vudc_main.c b/drivers/usb/usbip/vudc_main.c index 9e655714e389..3fc22037a82f 100644 --- a/drivers/usb/usbip/vudc_main.c +++ b/drivers/usb/usbip/vudc_main.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> * Copyright (C) 2015-2016 Samsung Electronics * Igor Kotrasinski <i.kotrasinsk@samsung.com> * Krzysztof Opasiak <k.opasiak@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/device.h> diff --git a/drivers/usb/usbip/vudc_rx.c b/drivers/usb/usbip/vudc_rx.c index e429b59f6f8a..df1e30989148 100644 --- a/drivers/usb/usbip/vudc_rx.c +++ b/drivers/usb/usbip/vudc_rx.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> * Copyright (C) 2015-2016 Samsung Electronics * Igor Kotrasinski <i.kotrasinsk@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <net/sock.h> diff --git a/drivers/usb/usbip/vudc_sysfs.c b/drivers/usb/usbip/vudc_sysfs.c index 0f98f2c7475f..1adc8af292ec 100644 --- a/drivers/usb/usbip/vudc_sysfs.c +++ b/drivers/usb/usbip/vudc_sysfs.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> * Copyright (C) 2015-2016 Samsung Electronics * Igor Kotrasinski <i.kotrasinsk@samsung.com> * Krzysztof Opasiak <k.opasiak@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/device.h> @@ -161,7 +149,7 @@ static ssize_t store_sockfd(struct device *dev, struct device_attribute *attr, udc->ud.status = SDEV_ST_USED; spin_unlock_irq(&udc->ud.lock); - do_gettimeofday(&udc->start_time); + ktime_get_ts64(&udc->start_time); v_start_timer(udc); udc->connected = 1; } else { diff --git a/drivers/usb/usbip/vudc_transfer.c b/drivers/usb/usbip/vudc_transfer.c index 4cfd475ee865..c9db846ee4f6 100644 --- a/drivers/usb/usbip/vudc_transfer.c +++ b/drivers/usb/usbip/vudc_transfer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> * Copyright (C) 2015-2016 Samsung Electronics @@ -6,19 +7,6 @@ * Based on dummy_hcd.c, which is: * Copyright (C) 2003 David Brownell * Copyright (C) 2003-2005 Alan Stern - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/usb.h> @@ -311,9 +299,9 @@ top: return sent; } -static void v_timer(unsigned long _vudc) +static void v_timer(struct timer_list *t) { - struct vudc *udc = (struct vudc *) _vudc; + struct vudc *udc = from_timer(udc, t, tr_timer.timer); struct transfer_timer *timer = &udc->tr_timer; struct urbp *urb_p, *tmp; unsigned long flags; @@ -459,7 +447,7 @@ void v_init_timer(struct vudc *udc) { struct transfer_timer *t = &udc->tr_timer; - setup_timer(&t->timer, v_timer, (unsigned long) udc); + timer_setup(&t->timer, v_timer, 0); t->state = VUDC_TR_STOPPED; } diff --git a/drivers/usb/usbip/vudc_tx.c b/drivers/usb/usbip/vudc_tx.c index 234661782fa0..1440ae0919ec 100644 --- a/drivers/usb/usbip/vudc_tx.c +++ b/drivers/usb/usbip/vudc_tx.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Karol Kosik <karo9@interia.eu> * Copyright (C) 2015-2016 Samsung Electronics * Igor Kotrasinski <i.kotrasinsk@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <net/sock.h> diff --git a/drivers/usb/wusbcore/cbaf.c b/drivers/usb/wusbcore/cbaf.c index aa4e440e9975..222228c5c1e1 100644 --- a/drivers/usb/wusbcore/cbaf.c +++ b/drivers/usb/wusbcore/cbaf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless USB - Cable Based Association * @@ -6,21 +7,6 @@ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * Copyright (C) 2008 Cambridge Silicon Radio Ltd. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * WUSB devices have to be paired (associated in WUSB lingo) so * that they can connect to the system. * diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c index 062c205f0046..4c00be2d1993 100644 --- a/drivers/usb/wusbcore/crypto.c +++ b/drivers/usb/wusbcore/crypto.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Ultra Wide Band * AES-128 CCM Encryption @@ -5,21 +6,6 @@ * Copyright (C) 2007 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * We don't do any encryption here; we use the Linux Kernel's AES-128 * crypto modules to construct keys and payload blocks in a way * defined by WUSB1.0[6]. Check the erratas, as typos are are patched diff --git a/drivers/usb/wusbcore/dev-sysfs.c b/drivers/usb/wusbcore/dev-sysfs.c index 78212f8180ce..85a1acf3a729 100644 --- a/drivers/usb/wusbcore/dev-sysfs.c +++ b/drivers/usb/wusbcore/dev-sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * WUSB devices * sysfs bindings @@ -5,21 +6,6 @@ * Copyright (C) 2007 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * Get them out of the way... */ diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c index bf9551735938..fcb06aef2675 100644 --- a/drivers/usb/wusbcore/devconnect.c +++ b/drivers/usb/wusbcore/devconnect.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * WUSB Wire Adapter: Control/Data Streaming Interface (WUSB[8]) * Device Connect handling @@ -5,21 +6,6 @@ * Copyright (C) 2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * FIXME: docs * FIXME: this file needs to be broken up, it's grown too big * diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c index 3f485df96226..acce0d551eb2 100644 --- a/drivers/usb/wusbcore/mmc.c +++ b/drivers/usb/wusbcore/mmc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * WUSB Wire Adapter: Control/Data Streaming Interface (WUSB[8]) * MMC (Microscheduled Management Command) handling @@ -5,21 +6,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * WUIEs and MMC IEs...well, they are almost the same at the end. MMC * IEs are Wireless USB IEs that go into the MMC period...[what is * that? look in Design-overview.txt]. diff --git a/drivers/usb/wusbcore/pal.c b/drivers/usb/wusbcore/pal.c index 090f27371a8f..30f569131471 100644 --- a/drivers/usb/wusbcore/pal.c +++ b/drivers/usb/wusbcore/pal.c @@ -1,20 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless USB Host Controller * UWB Protocol Adaptation Layer (PAL) glue. * * Copyright (C) 2008 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "wusbhc.h" diff --git a/drivers/usb/wusbcore/reservation.c b/drivers/usb/wusbcore/reservation.c index 7b1b2e2fb673..6dcfc6825f55 100644 --- a/drivers/usb/wusbcore/reservation.c +++ b/drivers/usb/wusbcore/reservation.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * WUSB cluster reservation management * * Copyright (C) 2007 Cambridge Silicon Radio Ltd. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/uwb.h> diff --git a/drivers/usb/wusbcore/rh.c b/drivers/usb/wusbcore/rh.c index a082fe62b1f0..20c08cd9dcbf 100644 --- a/drivers/usb/wusbcore/rh.c +++ b/drivers/usb/wusbcore/rh.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless USB Host Controller * Root Hub operations @@ -6,21 +7,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * We fake a root hub that has fake ports (as many as simultaneous * devices the Wireless USB Host Controller can deal with). For each * port we keep an state in @wusbhc->port[index] identical to the one diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c index 170f2c38de9b..33d2f5d7f33b 100644 --- a/drivers/usb/wusbcore/security.c +++ b/drivers/usb/wusbcore/security.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless USB Host Controller * Security support: encryption enablement, etc @@ -5,21 +6,6 @@ * Copyright (C) 2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * FIXME: docs */ #include <linux/types.h> @@ -28,6 +14,7 @@ #include <linux/random.h> #include <linux/export.h> #include "wusbhc.h" +#include <asm/unaligned.h> static void wusbhc_gtk_rekey_work(struct work_struct *work); @@ -367,7 +354,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev, struct usb_device *usb_dev = wusb_dev->usb_dev; struct device *dev = &usb_dev->dev; u32 tkid; - __le32 tkid_le; struct usb_handshake *hs; struct aes_ccm_nonce ccm_n; u8 mic[8]; @@ -385,11 +371,10 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev, goto error_dev_set_encryption; tkid = wusbhc_next_tkid(wusbhc, wusb_dev); - tkid_le = cpu_to_le32(tkid); hs[0].bMessageNumber = 1; hs[0].bStatus = 0; - memcpy(hs[0].tTKID, &tkid_le, sizeof(hs[0].tTKID)); + put_unaligned_le32(tkid, hs[0].tTKID); hs[0].bReserved = 0; memcpy(hs[0].CDID, &wusb_dev->cdid, sizeof(hs[0].CDID)); get_random_bytes(&hs[0].nonce, sizeof(hs[0].nonce)); @@ -441,7 +426,7 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev, /* Setup the CCM nonce */ memset(&ccm_n.sfn, 0, sizeof(ccm_n.sfn)); /* Per WUSB1.0[6.5.2] */ - memcpy(ccm_n.tkid, &tkid_le, sizeof(ccm_n.tkid)); + put_unaligned_le32(tkid, ccm_n.tkid); ccm_n.src_addr = wusbhc->uwb_rc->uwb_dev.dev_addr; ccm_n.dest_addr.data[0] = wusb_dev->addr; ccm_n.dest_addr.data[1] = 0; @@ -472,7 +457,7 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev, /* Send Handshake3 */ hs[2].bMessageNumber = 3; hs[2].bStatus = 0; - memcpy(hs[2].tTKID, &tkid_le, sizeof(hs[2].tTKID)); + put_unaligned_le32(tkid, hs[2].tTKID); hs[2].bReserved = 0; memcpy(hs[2].CDID, &wusb_dev->cdid, sizeof(hs[2].CDID)); memcpy(hs[2].nonce, hs[0].nonce, sizeof(hs[2].nonce)); diff --git a/drivers/usb/wusbcore/wa-hc.c b/drivers/usb/wusbcore/wa-hc.c index d01496fd27fe..6827075fb8a1 100644 --- a/drivers/usb/wusbcore/wa-hc.c +++ b/drivers/usb/wusbcore/wa-hc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wire Adapter Host Controller Driver * Common items to HWA and DWA based HCDs @@ -5,21 +6,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * FIXME: docs */ #include <linux/slab.h> diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h index edc7267157f3..ec90fff21deb 100644 --- a/drivers/usb/wusbcore/wa-hc.h +++ b/drivers/usb/wusbcore/wa-hc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * HWA Host Controller Driver * Wire Adapter Control/Data Streaming Iface (WUSB1.0[8]) @@ -5,21 +6,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * This driver implements a USB Host Controller (struct usb_hcd) for a * Wireless USB Host Controller based on the Wireless USB 1.0 * Host-Wire-Adapter specification (in layman terms, a USB-dongle that diff --git a/drivers/usb/wusbcore/wa-nep.c b/drivers/usb/wusbcore/wa-nep.c index e3819fc182b0..9fdcb6b84abf 100644 --- a/drivers/usb/wusbcore/wa-nep.c +++ b/drivers/usb/wusbcore/wa-nep.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * WUSB Wire Adapter: Control/Data Streaming Interface (WUSB[8]) * Notification EndPoint support @@ -5,21 +6,6 @@ * Copyright (C) 2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * This part takes care of getting the notification from the hw * only and dispatching through wusbwad into * wa_notif_dispatch. Handling is done there. diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c index c7ecdbe19a32..d0f1a6698460 100644 --- a/drivers/usb/wusbcore/wa-rpipe.c +++ b/drivers/usb/wusbcore/wa-rpipe.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * WUSB Wire Adapter * rpipe management @@ -5,21 +6,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * FIXME: docs * * RPIPE diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c index e70322b1dd02..7fca4e7e556d 100644 --- a/drivers/usb/wusbcore/wa-xfer.c +++ b/drivers/usb/wusbcore/wa-xfer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * WUSB Wire Adapter * Data transfer and URB enqueing @@ -5,21 +6,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * How transfers work: get a buffer, break it up in segments (segment * size is a multiple of the maxpacket size). For each segment issue a * segment request (struct wa_xfer_*), then send the data buffer if @@ -2156,6 +2142,7 @@ static void wa_complete_remaining_xfer_segs(struct wa_xfer *xfer, * do not increment RPIPE avail for the WA_SEG_DELAYED case * since it has not been submitted to the RPIPE. */ + /* fall through */ case WA_SEG_DELAYED: xfer->segs_done++; current_seg->status = status; diff --git a/drivers/usb/wusbcore/wusbhc.c b/drivers/usb/wusbcore/wusbhc.c index 5338e42533c8..e5ba6140c1ba 100644 --- a/drivers/usb/wusbcore/wusbhc.c +++ b/drivers/usb/wusbcore/wusbhc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless USB Host Controller * sysfs glue, wusbcore module support and life cycle management @@ -6,21 +7,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * Creation/destruction of wusbhc is split in two parts; that that * doesn't require the HCD to be added (wusbhc_{create,destroy}) and * the one that requires (phase B, wusbhc_b_{create,destroy}). diff --git a/drivers/usb/wusbcore/wusbhc.h b/drivers/usb/wusbcore/wusbhc.h index 8c5bd000739b..7681d796ca5b 100644 --- a/drivers/usb/wusbcore/wusbhc.h +++ b/drivers/usb/wusbcore/wusbhc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Wireless USB Host Controller * Common infrastructure for WHCI and HWA WUSB-HC drivers @@ -6,21 +7,6 @@ * Copyright (C) 2005-2006 Intel Corporation * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * * This driver implements parts common to all Wireless USB Host * Controllers (struct wusbhc, embedding a struct usb_hcd) and is used * by: |