Merge 5.12-rc6 into tty-next

We need the serial/tty fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

19 files changed, 25 insertions, 57 deletions

diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index ef474bae47a1..6958830cb983 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -212,18 +212,6 @@ static const struct can_bittiming_const c_can_bittiming_const = {
 	.brp_inc = 1,
 };
 
-static inline void c_can_pm_runtime_enable(const struct c_can_priv *priv)
-{
-	if (priv->device)
-		pm_runtime_enable(priv->device);
-}
-
-static inline void c_can_pm_runtime_disable(const struct c_can_priv *priv)
-{
-	if (priv->device)
-		pm_runtime_disable(priv->device);
-}
-
 static inline void c_can_pm_runtime_get_sync(const struct c_can_priv *priv)
 {
 	if (priv->device)
@@ -1335,7 +1323,6 @@ static const struct net_device_ops c_can_netdev_ops = {
 
 int register_c_can_dev(struct net_device *dev)
 {
-	struct c_can_priv *priv = netdev_priv(dev);
 	int err;
 
 	/* Deactivate pins to prevent DRA7 DCAN IP from being
@@ -1345,28 +1332,19 @@ int register_c_can_dev(struct net_device *dev)
 	 */
 	pinctrl_pm_select_sleep_state(dev->dev.parent);
 
-	c_can_pm_runtime_enable(priv);
-
 	dev->flags |= IFF_ECHO;	/* we support local echo */
 	dev->netdev_ops = &c_can_netdev_ops;
 
 	err = register_candev(dev);
-	if (err)
-		c_can_pm_runtime_disable(priv);
-	else
+	if (!err)
 		devm_can_led_init(dev);
-
 	return err;
 }
 EXPORT_SYMBOL_GPL(register_c_can_dev);
 
 void unregister_c_can_dev(struct net_device *dev)
 {
-	struct c_can_priv *priv = netdev_priv(dev);
-
 	unregister_candev(dev);
-
-	c_can_pm_runtime_disable(priv);
 }
 EXPORT_SYMBOL_GPL(unregister_c_can_dev);
 
diff --git a/drivers/net/can/c_can/c_can_pci.c b/drivers/net/can/c_can/c_can_pci.c
index 406b4847e5dc..7efb60b50876 100644
--- a/drivers/net/can/c_can/c_can_pci.c
+++ b/drivers/net/can/c_can/c_can_pci.c
@@ -239,12 +239,13 @@ static void c_can_pci_remove(struct pci_dev *pdev)
 {
 	struct net_device *dev = pci_get_drvdata(pdev);
 	struct c_can_priv *priv = netdev_priv(dev);
+	void __iomem *addr = priv->base;
 
 	unregister_c_can_dev(dev);
 
 	free_c_can_dev(dev);
 
-	pci_iounmap(pdev, priv->base);
+	pci_iounmap(pdev, addr);
 	pci_disable_msi(pdev);
 	pci_clear_master(pdev);
 	pci_release_regions(pdev);
diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c
index 05f425ceb53a..47b251b1607c 100644
--- a/drivers/net/can/c_can/c_can_platform.c
+++ b/drivers/net/can/c_can/c_can_platform.c
@@ -29,6 +29,7 @@
 #include <linux/list.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 #include <linux/clk.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
@@ -386,6 +387,7 @@ static int c_can_plat_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, dev);
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
+	pm_runtime_enable(priv->device);
 	ret = register_c_can_dev(dev);
 	if (ret) {
 		dev_err(&pdev->dev, "registering %s failed (err=%d)\n",
@@ -398,6 +400,7 @@ static int c_can_plat_probe(struct platform_device *pdev)
 	return 0;
 
 exit_free_device:
+	pm_runtime_disable(priv->device);
 	free_c_can_dev(dev);
 exit:
 	dev_err(&pdev->dev, "probe failed\n");
@@ -408,9 +411,10 @@ exit:
 static int c_can_plat_remove(struct platform_device *pdev)
 {
 	struct net_device *dev = platform_get_drvdata(pdev);
+	struct c_can_priv *priv = netdev_priv(dev);
 
 	unregister_c_can_dev(dev);
-
+	pm_runtime_disable(priv->device);
 	free_c_can_dev(dev);
 
 	return 0;
diff --git a/drivers/net/can/dev/netlink.c b/drivers/net/can/dev/netlink.c
index 867f6be31230..f5d79e6e5483 100644
--- a/drivers/net/can/dev/netlink.c
+++ b/drivers/net/can/dev/netlink.c
@@ -355,6 +355,7 @@ static void can_dellink(struct net_device *dev, struct list_head *head)
 
 struct rtnl_link_ops can_link_ops __read_mostly = {
 	.kind		= "can",
+	.netns_refund	= true,
 	.maxtype	= IFLA_CAN_MAX,
 	.policy		= can_policy,
 	.setup		= can_setup,
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 134c05757a3b..57f3635ad8d7 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -697,9 +697,15 @@ static int flexcan_chip_disable(struct flexcan_priv *priv)
 static int flexcan_chip_freeze(struct flexcan_priv *priv)
 {
 	struct flexcan_regs __iomem *regs = priv->regs;
-	unsigned int timeout = 1000 * 1000 * 10 / priv->can.bittiming.bitrate;
+	unsigned int timeout;
+	u32 bitrate = priv->can.bittiming.bitrate;
 	u32 reg;
 
+	if (bitrate)
+		timeout = 1000 * 1000 * 10 / bitrate;
+	else
+		timeout = FLEXCAN_TIMEOUT_US / 10;
+
 	reg = priv->read(&regs->mcr);
 	reg |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT;
 	priv->write(reg, &regs->mcr);
diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c
index 37e05010ca91..74d9899fc904 100644
--- a/drivers/net/can/kvaser_pciefd.c
+++ b/drivers/net/can/kvaser_pciefd.c
@@ -57,6 +57,7 @@ MODULE_DESCRIPTION("CAN driver for Kvaser CAN/PCIe devices");
 #define KVASER_PCIEFD_KCAN_STAT_REG 0x418
 #define KVASER_PCIEFD_KCAN_MODE_REG 0x41c
 #define KVASER_PCIEFD_KCAN_BTRN_REG 0x420
+#define KVASER_PCIEFD_KCAN_BUS_LOAD_REG 0x424
 #define KVASER_PCIEFD_KCAN_BTRD_REG 0x428
 #define KVASER_PCIEFD_KCAN_PWM_REG 0x430
 /* Loopback control register */
@@ -949,6 +950,9 @@ static int kvaser_pciefd_setup_can_ctrls(struct kvaser_pciefd *pcie)
 		timer_setup(&can->bec_poll_timer, kvaser_pciefd_bec_poll_timer,
 			    0);
 
+		/* Disable Bus load reporting */
+		iowrite32(0, can->reg_base + KVASER_PCIEFD_KCAN_BUS_LOAD_REG);
+
 		tx_npackets = ioread32(can->reg_base +
 				       KVASER_PCIEFD_KCAN_TX_NPACKETS_REG);
 		if (((tx_npackets >> KVASER_PCIEFD_KCAN_TX_NPACKETS_MAX_SHIFT) &
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 3752520a7d4b..0c8d36bc668c 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -501,9 +501,6 @@ static int m_can_do_rx_poll(struct net_device *dev, int quota)
 	}
 
 	while ((rxfs & RXFS_FFL_MASK) && (quota > 0)) {
-		if (rxfs & RXFS_RFL)
-			netdev_warn(dev, "Rx FIFO 0 Message Lost\n");
-
 		m_can_read_fifo(dev, rxfs);
 
 		quota--;
@@ -876,7 +873,7 @@ static int m_can_rx_peripheral(struct net_device *dev)
 {
 	struct m_can_classdev *cdev = netdev_priv(dev);
 
-	m_can_rx_handler(dev, 1);
+	m_can_rx_handler(dev, M_CAN_NAPI_WEIGHT);
 
 	m_can_enable_all_interrupts(cdev);
 
diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c
index 0df1cdfa6835..1df3c4b54f03 100644
--- a/drivers/net/can/peak_canfd/peak_pciefd_main.c
+++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c
@@ -21,7 +21,6 @@
 
 MODULE_AUTHOR("Stephane Grosjean <s.grosjean@peak-system.com>");
 MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCIe/M.2 FD family cards");
-MODULE_SUPPORTED_DEVICE("PEAK PCAN PCIe/M.2 FD CAN cards");
 MODULE_LICENSE("GPL v2");
 
 #define PCIEFD_DRV_NAME		"peak_pciefd"
diff --git a/drivers/net/can/sja1000/ems_pci.c b/drivers/net/can/sja1000/ems_pci.c
index 6f88c9932920..4ab91759a5c6 100644
--- a/drivers/net/can/sja1000/ems_pci.c
+++ b/drivers/net/can/sja1000/ems_pci.c
@@ -21,7 +21,6 @@
 
 MODULE_AUTHOR("Sebastian Haas <haas@ems-wuenche.com>");
 MODULE_DESCRIPTION("Socket-CAN driver for EMS CPC-PCI/PCIe/104P CAN cards");
-MODULE_SUPPORTED_DEVICE("EMS CPC-PCI/PCIe/104P CAN card");
 MODULE_LICENSE("GPL v2");
 
 #define EMS_PCI_V1_MAX_CHAN 2
diff --git a/drivers/net/can/sja1000/ems_pcmcia.c b/drivers/net/can/sja1000/ems_pcmcia.c
index 770304eaef95..e21b169c14c0 100644
--- a/drivers/net/can/sja1000/ems_pcmcia.c
+++ b/drivers/net/can/sja1000/ems_pcmcia.c
@@ -21,7 +21,6 @@
 
 MODULE_AUTHOR("Markus Plessing <plessing@ems-wuensche.com>");
 MODULE_DESCRIPTION("Socket-CAN driver for EMS CPC-CARD cards");
-MODULE_SUPPORTED_DEVICE("EMS CPC-CARD CAN card");
 MODULE_LICENSE("GPL v2");
 
 #define EMS_PCMCIA_MAX_CHAN 2
diff --git a/drivers/net/can/sja1000/kvaser_pci.c b/drivers/net/can/sja1000/kvaser_pci.c
index 0ea6b711c07b..95fe9ee1ce32 100644
--- a/drivers/net/can/sja1000/kvaser_pci.c
+++ b/drivers/net/can/sja1000/kvaser_pci.c
@@ -33,7 +33,6 @@
 
 MODULE_AUTHOR("Per Dalen <per.dalen@cnw.se>");
 MODULE_DESCRIPTION("Socket-CAN driver for KVASER PCAN PCI cards");
-MODULE_SUPPORTED_DEVICE("KVASER PCAN PCI CAN card");
 MODULE_LICENSE("GPL v2");
 
 #define MAX_NO_OF_CHANNELS        4 /* max no of channels on a single card */
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 4713921bd511..84eac8cb8686 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -24,8 +24,6 @@
 
 MODULE_AUTHOR("Stephane Grosjean <s.grosjean@peak-system.com>");
 MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCI family cards");
-MODULE_SUPPORTED_DEVICE("PEAK PCAN PCI/PCIe/PCIeC miniPCI CAN cards");
-MODULE_SUPPORTED_DEVICE("PEAK PCAN miniPCIe/cPCI PC/104+ PCI/104e CAN Cards");
 MODULE_LICENSE("GPL v2");
 
 #define DRV_NAME  "peak_pci"
diff --git a/drivers/net/can/sja1000/peak_pcmcia.c b/drivers/net/can/sja1000/peak_pcmcia.c
index cf951a783078..131a084c3535 100644
--- a/drivers/net/can/sja1000/peak_pcmcia.c
+++ b/drivers/net/can/sja1000/peak_pcmcia.c
@@ -22,7 +22,6 @@
 MODULE_AUTHOR("Stephane Grosjean <s.grosjean@peak-system.com>");
 MODULE_DESCRIPTION("CAN driver for PEAK-System PCAN-PC Cards");
 MODULE_LICENSE("GPL v2");
-MODULE_SUPPORTED_DEVICE("PEAK PCAN-PC Card");
 
 /* PEAK-System PCMCIA driver name */
 #define PCC_NAME		"peak_pcmcia"
diff --git a/drivers/net/can/sja1000/plx_pci.c b/drivers/net/can/sja1000/plx_pci.c
index 85679588ef73..5de1ebb0c6f0 100644
--- a/drivers/net/can/sja1000/plx_pci.c
+++ b/drivers/net/can/sja1000/plx_pci.c
@@ -25,18 +25,6 @@
 MODULE_AUTHOR("Pavel Cheblakov <P.B.Cheblakov@inp.nsk.su>");
 MODULE_DESCRIPTION("Socket-CAN driver for PLX90xx PCI-bridge cards with "
 		   "the SJA1000 chips");
-MODULE_SUPPORTED_DEVICE("Adlink PCI-7841/cPCI-7841, "
-			"Adlink PCI-7841/cPCI-7841 SE, "
-			"Marathon CAN-bus-PCI, "
-			"Marathon CAN-bus-PCIe, "
-			"TEWS TECHNOLOGIES TPMC810, "
-			"esd CAN-PCI/CPCI/PCI104/200, "
-			"esd CAN-PCI/PMC/266, "
-			"esd CAN-PCIe/2000, "
-			"Connect Tech Inc. CANpro/104-Plus Opto (CRG001), "
-			"IXXAT PC-I 04/PCI, "
-			"ELCUS CAN-200-PCI, "
-			"ASEM DUAL CAN-RAW")
 MODULE_LICENSE("GPL v2");
 
 #define PLX_PCI_MAX_CHAN 2
diff --git a/drivers/net/can/usb/Kconfig b/drivers/net/can/usb/Kconfig
index c1e5d5b570b6..538f4d9adb91 100644
--- a/drivers/net/can/usb/Kconfig
+++ b/drivers/net/can/usb/Kconfig
@@ -73,6 +73,7 @@ config CAN_KVASER_USB
 	    - Kvaser Memorator Pro 5xHS
 	    - Kvaser USBcan Light 4xHS
 	    - Kvaser USBcan Pro 2xHS v2
+	    - Kvaser USBcan Pro 4xHS
 	    - Kvaser USBcan Pro 5xHS
 	    - Kvaser U100
 	    - Kvaser U100P
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
index 2b7efd296758..4e97da8434ab 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
@@ -86,8 +86,9 @@
 #define USB_U100_PRODUCT_ID			273
 #define USB_U100P_PRODUCT_ID			274
 #define USB_U100S_PRODUCT_ID			275
+#define USB_USBCAN_PRO_4HS_PRODUCT_ID		276
 #define USB_HYDRA_PRODUCT_ID_END \
-	USB_U100S_PRODUCT_ID
+	USB_USBCAN_PRO_4HS_PRODUCT_ID
 
 static inline bool kvaser_is_leaf(const struct usb_device_id *id)
 {
@@ -193,6 +194,7 @@ static const struct usb_device_id kvaser_usb_table[] = {
 	{ USB_DEVICE(KVASER_VENDOR_ID, USB_U100_PRODUCT_ID) },
 	{ USB_DEVICE(KVASER_VENDOR_ID, USB_U100P_PRODUCT_ID) },
 	{ USB_DEVICE(KVASER_VENDOR_ID, USB_U100S_PRODUCT_ID) },
+	{ USB_DEVICE(KVASER_VENDOR_ID, USB_USBCAN_PRO_4HS_PRODUCT_ID) },
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, kvaser_usb_table);
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c
index e6c1e5d33924..e393e8457d77 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -18,8 +18,6 @@
 
 #include "pcan_usb_core.h"
 
-MODULE_SUPPORTED_DEVICE("PEAK-System PCAN-USB adapter");
-
 /* PCAN-USB Endpoints */
 #define PCAN_USB_EP_CMDOUT		1
 #define PCAN_USB_EP_CMDIN		(PCAN_USB_EP_CMDOUT | USB_DIR_IN)
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
index f347ecc79aef..bae078579c0d 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
@@ -16,9 +16,6 @@
 #include "pcan_usb_core.h"
 #include "pcan_usb_pro.h"
 
-MODULE_SUPPORTED_DEVICE("PEAK-System PCAN-USB FD adapter");
-MODULE_SUPPORTED_DEVICE("PEAK-System PCAN-USB Pro FD adapter");
-
 #define PCAN_USBPROFD_CHANNEL_COUNT	2
 #define PCAN_USBFD_CHANNEL_COUNT	1
 
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index 275087c39602..18fa180ecc81 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -17,8 +17,6 @@
 #include "pcan_usb_core.h"
 #include "pcan_usb_pro.h"
 
-MODULE_SUPPORTED_DEVICE("PEAK-System PCAN-USB Pro adapter");
-
 #define PCAN_USBPRO_CHANNEL_COUNT	2
 
 /* PCAN-USB Pro adapter internal clock (MHz) */