diff options
Diffstat (limited to 'drivers')
551 files changed, 7597 insertions, 3313 deletions
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 1982310e6d83..da198b864107 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -428,6 +428,9 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, obj_desc->method.mutex->mutex. original_sync_level = obj_desc->method.mutex->mutex.sync_level; + + obj_desc->method.mutex->mutex.thread_id = + acpi_os_get_thread_id(); } } diff --git a/drivers/acpi/nfit.c b/drivers/acpi/nfit.c index d0f35e63640b..63cc9dbe4f3b 100644 --- a/drivers/acpi/nfit.c +++ b/drivers/acpi/nfit.c @@ -287,8 +287,11 @@ static int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, offset); rc = -ENXIO; } - } else + } else { rc = 0; + if (cmd_rc) + *cmd_rc = xlat_status(buf, cmd); + } out: ACPI_FREE(out_obj); diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 5083f85efea7..cfa936a32513 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -202,6 +202,14 @@ config SATA_FSL If unsure, say N. +config SATA_AHCI_SEATTLE + tristate "AMD Seattle 6.0Gbps AHCI SATA host controller support" + depends on ARCH_SEATTLE + help + This option enables support for AMD Seattle SATA host controller. + + If unsure, say N + config SATA_INIC162X tristate "Initio 162x SATA support (Very Experimental)" depends on PCI diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 18579521464e..0b2afb7e5f35 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_ATA) += libata.o # non-SFF interface obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o obj-$(CONFIG_SATA_ACARD_AHCI) += acard-ahci.o libahci.o +obj-$(CONFIG_SATA_AHCI_SEATTLE) += ahci_seattle.o libahci.o libahci_platform.o obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o libahci_platform.o obj-$(CONFIG_SATA_FSL) += sata_fsl.o obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 40442332bfa7..62a04c8fb5c9 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -51,6 +51,9 @@ static int ahci_probe(struct platform_device *pdev) if (rc) return rc; + of_property_read_u32(dev->of_node, + "ports-implemented", &hpriv->force_port_map); + if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; diff --git a/drivers/ata/ahci_seattle.c b/drivers/ata/ahci_seattle.c new file mode 100644 index 000000000000..6e702ab57220 --- /dev/null +++ b/drivers/ata/ahci_seattle.c @@ -0,0 +1,210 @@ +/* + * AMD Seattle AHCI SATA driver + * + * Copyright (c) 2015, Advanced Micro Devices + * Author: Brijesh Singh <brijesh.singh@amd.com> + * + * based on the AHCI SATA platform driver by Jeff Garzik and Anton Vorontsov + * + * This program is free software; you can redistribute 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. + * + * 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/pm.h> +#include <linux/device.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/libata.h> +#include <linux/ahci_platform.h> +#include <linux/acpi.h> +#include <linux/pci_ids.h> +#include "ahci.h" + +/* SGPIO Control Register definition + * + * Bit Type Description + * 31 RW OD7.2 (activity) + * 30 RW OD7.1 (locate) + * 29 RW OD7.0 (fault) + * 28...8 RW OD6.2...OD0.0 (3bits per port, 1 bit per LED) + * 7 RO SGPIO feature flag + * 6:4 RO Reserved + * 3:0 RO Number of ports (0 means no port supported) + */ +#define ACTIVITY_BIT_POS(x) (8 + (3 * x)) +#define LOCATE_BIT_POS(x) (ACTIVITY_BIT_POS(x) + 1) +#define FAULT_BIT_POS(x) (LOCATE_BIT_POS(x) + 1) + +#define ACTIVITY_MASK 0x00010000 +#define LOCATE_MASK 0x00080000 +#define FAULT_MASK 0x00400000 + +#define DRV_NAME "ahci-seattle" + +static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state, + ssize_t size); + +struct seattle_plat_data { + void __iomem *sgpio_ctrl; +}; + +static struct ata_port_operations ahci_port_ops = { + .inherits = &ahci_ops, +}; + +static const struct ata_port_info ahci_port_info = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_port_ops, +}; + +static struct ata_port_operations ahci_seattle_ops = { + .inherits = &ahci_ops, + .transmit_led_message = seattle_transmit_led_message, +}; + +static const struct ata_port_info ahci_port_seattle_info = { + .flags = AHCI_FLAG_COMMON | ATA_FLAG_EM | ATA_FLAG_SW_ACTIVITY, + .link_flags = ATA_LFLAG_SW_ACTIVITY, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_seattle_ops, +}; + +static struct scsi_host_template ahci_platform_sht = { + AHCI_SHT(DRV_NAME), +}; + +static ssize_t seattle_transmit_led_message(struct ata_port *ap, u32 state, + ssize_t size) +{ + struct ahci_host_priv *hpriv = ap->host->private_data; + struct ahci_port_priv *pp = ap->private_data; + struct seattle_plat_data *plat_data = hpriv->plat_data; + unsigned long flags; + int pmp; + struct ahci_em_priv *emp; + u32 val; + + /* get the slot number from the message */ + pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8; + if (pmp >= EM_MAX_SLOTS) + return -EINVAL; + emp = &pp->em_priv[pmp]; + + val = ioread32(plat_data->sgpio_ctrl); + if (state & ACTIVITY_MASK) + val |= 1 << ACTIVITY_BIT_POS((ap->port_no)); + else + val &= ~(1 << ACTIVITY_BIT_POS((ap->port_no))); + + if (state & LOCATE_MASK) + val |= 1 << LOCATE_BIT_POS((ap->port_no)); + else + val &= ~(1 << LOCATE_BIT_POS((ap->port_no))); + + if (state & FAULT_MASK) + val |= 1 << FAULT_BIT_POS((ap->port_no)); + else + val &= ~(1 << FAULT_BIT_POS((ap->port_no))); + + iowrite32(val, plat_data->sgpio_ctrl); + + spin_lock_irqsave(ap->lock, flags); + + /* save off new led state for port/slot */ + emp->led_state = state; + + spin_unlock_irqrestore(ap->lock, flags); + + return size; +} + +static const struct ata_port_info *ahci_seattle_get_port_info( + struct platform_device *pdev, struct ahci_host_priv *hpriv) +{ + struct device *dev = &pdev->dev; + struct seattle_plat_data *plat_data; + u32 val; + + plat_data = devm_kzalloc(dev, sizeof(*plat_data), GFP_KERNEL); + if (IS_ERR(plat_data)) + return &ahci_port_info; + + plat_data->sgpio_ctrl = devm_ioremap_resource(dev, + platform_get_resource(pdev, IORESOURCE_MEM, 1)); + if (IS_ERR(plat_data->sgpio_ctrl)) + return &ahci_port_info; + + val = ioread32(plat_data->sgpio_ctrl); + + if (!(val & 0xf)) + return &ahci_port_info; + + hpriv->em_loc = 0; + hpriv->em_buf_sz = 4; + hpriv->em_msg_type = EM_MSG_TYPE_LED; + hpriv->plat_data = plat_data; + + dev_info(dev, "SGPIO LED control is enabled.\n"); + return &ahci_port_seattle_info; +} + +static int ahci_seattle_probe(struct platform_device *pdev) +{ + int rc; + struct ahci_host_priv *hpriv; + + hpriv = ahci_platform_get_resources(pdev); + if (IS_ERR(hpriv)) + return PTR_ERR(hpriv); + + rc = ahci_platform_enable_resources(hpriv); + if (rc) + return rc; + + rc = ahci_platform_init_host(pdev, hpriv, + ahci_seattle_get_port_info(pdev, hpriv), + &ahci_platform_sht); + if (rc) + goto disable_resources; + + return 0; +disable_resources: + ahci_platform_disable_resources(hpriv); + return rc; +} + +static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend, + ahci_platform_resume); + +static const struct acpi_device_id ahci_acpi_match[] = { + { "AMDI0600", 0 }, + {} +}; +MODULE_DEVICE_TABLE(acpi, ahci_acpi_match); + +static struct platform_driver ahci_seattle_driver = { + .probe = ahci_seattle_probe, + .remove = ata_platform_remove_one, + .driver = { + .name = DRV_NAME, + .acpi_match_table = ahci_acpi_match, + .pm = &ahci_pm_ops, + }, +}; +module_platform_driver(ahci_seattle_driver); + +MODULE_DESCRIPTION("Seattle AHCI SATA platform driver"); +MODULE_AUTHOR("Brijesh Singh <brijesh.singh@amd.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 3982054060b8..a5d7c1c2a05e 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -507,6 +507,7 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) dev_info(dev, "forcing port_map 0x%x -> 0x%x\n", port_map, hpriv->force_port_map); port_map = hpriv->force_port_map; + hpriv->saved_port_map = port_map; } if (hpriv->mask_port_map) { diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index 433b60092972..d8f4cc22856c 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -259,9 +259,6 @@ unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev) reg = opp_table->regulator; if (IS_ERR(reg)) { /* Regulator may not be required for device */ - if (reg) - dev_err(dev, "%s: Invalid regulator (%ld)\n", __func__, - PTR_ERR(reg)); rcu_read_unlock(); return 0; } diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index a1e0b9ab847a..5fb7718f256c 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -246,6 +246,8 @@ static int device_wakeup_attach(struct device *dev, struct wakeup_source *ws) return -EEXIST; } dev->power.wakeup = ws; + if (dev->power.wakeirq) + device_wakeup_attach_irq(dev, dev->power.wakeirq); spin_unlock_irq(&dev->power.lock); return 0; } diff --git a/drivers/base/property.c b/drivers/base/property.c index 9b1a65debd49..7f692accdc90 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -21,7 +21,7 @@ static inline bool is_pset_node(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_PDATA; + return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_PDATA; } static inline struct property_set *to_pset_node(struct fwnode_handle *fwnode) diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index 786be8fed39e..1f635471f318 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -136,7 +136,6 @@ static bool bcma_is_core_needed_early(u16 core_id) return false; } -#if defined(CONFIG_OF) && defined(CONFIG_OF_ADDRESS) static struct device_node *bcma_of_find_child_device(struct platform_device *parent, struct bcma_device *core) { @@ -184,7 +183,7 @@ static unsigned int bcma_of_get_irq(struct platform_device *parent, struct of_phandle_args out_irq; int ret; - if (!parent || !parent->dev.of_node) + if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent || !parent->dev.of_node) return 0; ret = bcma_of_irq_parse(parent, core, &out_irq, num); @@ -202,23 +201,15 @@ static void bcma_of_fill_device(struct platform_device *parent, { struct device_node *node; + if (!IS_ENABLED(CONFIG_OF_IRQ)) + return; + node = bcma_of_find_child_device(parent, core); if (node) core->dev.of_node = node; core->irq = bcma_of_get_irq(parent, core, 0); } -#else -static void bcma_of_fill_device(struct platform_device *parent, - struct bcma_device *core) -{ -} -static inline unsigned int bcma_of_get_irq(struct platform_device *parent, - struct bcma_device *core, int num) -{ - return 0; -} -#endif /* CONFIG_OF */ unsigned int bcma_core_irq(struct bcma_device *core, int num) { diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c index dd73e1ff1759..ec9d8610b25f 100644 --- a/drivers/block/aoe/aoeblk.c +++ b/drivers/block/aoe/aoeblk.c @@ -397,7 +397,7 @@ aoeblk_gdalloc(void *vp) WARN_ON(d->flags & DEVFL_UP); blk_queue_max_hw_sectors(q, BLK_DEF_MAX_SECTORS); q->backing_dev_info.name = "aoe"; - q->backing_dev_info.ra_pages = READ_AHEAD / PAGE_CACHE_SIZE; + q->backing_dev_info.ra_pages = READ_AHEAD / PAGE_SIZE; d->bufpool = mp; d->blkq = gd->queue = q; q->queuedata = d; diff --git a/drivers/block/brd.c b/drivers/block/brd.c index f7ecc287d733..51a071e32221 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -374,7 +374,7 @@ static int brd_rw_page(struct block_device *bdev, sector_t sector, struct page *page, int rw) { struct brd_device *brd = bdev->bd_disk->private_data; - int err = brd_do_bvec(brd, page, PAGE_CACHE_SIZE, 0, rw, sector); + int err = brd_do_bvec(brd, page, PAGE_SIZE, 0, rw, sector); page_endio(page, rw & WRITE, err); return err; } diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index c227fd4cad75..7a1cf7eaa71d 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1327,8 +1327,8 @@ struct bm_extent { #endif #endif -/* BIO_MAX_SIZE is 256 * PAGE_CACHE_SIZE, - * so for typical PAGE_CACHE_SIZE of 4k, that is (1<<20) Byte. +/* BIO_MAX_SIZE is 256 * PAGE_SIZE, + * so for typical PAGE_SIZE of 4k, that is (1<<20) Byte. * Since we may live in a mixed-platform cluster, * we limit us to a platform agnostic constant here for now. * A followup commit may allow even bigger BIO sizes, diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 226eb0c9f0fb..1fd1dccebb6b 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1178,7 +1178,7 @@ static void drbd_setup_queue_param(struct drbd_device *device, struct drbd_backi blk_queue_max_hw_sectors(q, max_hw_sectors); /* This is the workaround for "bio would need to, but cannot, be split" */ blk_queue_max_segments(q, max_segments ? max_segments : BLK_MAX_SEGMENTS); - blk_queue_segment_boundary(q, PAGE_CACHE_SIZE-1); + blk_queue_segment_boundary(q, PAGE_SIZE-1); if (b) { struct drbd_connection *connection = first_peer_device(device)->connection; diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 423f4ca7d712..80cf8add46ff 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -488,6 +488,12 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd, bvec = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter); iov_iter_bvec(&iter, ITER_BVEC | rw, bvec, bio_segments(bio), blk_rq_bytes(cmd->rq)); + /* + * This bio may be started from the middle of the 'bvec' + * because of bio splitting, so offset from the bvec must + * be passed to iov iterator + */ + iter.iov_offset = bio->bi_iter.bi_bvec_done; cmd->iocb.ki_pos = pos; cmd->iocb.ki_filp = file; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 9c6234428607..0ede6d7e2568 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -538,7 +538,6 @@ static int _rbd_dev_v2_snap_size(struct rbd_device *rbd_dev, u64 snap_id, u8 *order, u64 *snap_size); static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, u64 *snap_features); -static u64 rbd_snap_id_by_name(struct rbd_device *rbd_dev, const char *name); static int rbd_open(struct block_device *bdev, fmode_t mode) { @@ -1953,7 +1952,7 @@ static struct ceph_osd_request *rbd_osd_req_create( osdc = &rbd_dev->rbd_client->client->osdc; osd_req = ceph_osdc_alloc_request(osdc, snapc, num_ops, false, - GFP_ATOMIC); + GFP_NOIO); if (!osd_req) return NULL; /* ENOMEM */ @@ -2002,7 +2001,7 @@ rbd_osd_req_create_copyup(struct rbd_obj_request *obj_request) rbd_dev = img_request->rbd_dev; osdc = &rbd_dev->rbd_client->client->osdc; osd_req = ceph_osdc_alloc_request(osdc, snapc, num_osd_ops, - false, GFP_ATOMIC); + false, GFP_NOIO); if (!osd_req) return NULL; /* ENOMEM */ @@ -2504,7 +2503,7 @@ static int rbd_img_request_fill(struct rbd_img_request *img_request, bio_chain_clone_range(&bio_list, &bio_offset, clone_size, - GFP_ATOMIC); + GFP_NOIO); if (!obj_request->bio_list) goto out_unwind; } else if (type == OBJ_REQUEST_PAGES) { @@ -3127,9 +3126,6 @@ static void rbd_watch_cb(u64 ver, u64 notify_id, u8 opcode, void *data) struct rbd_device *rbd_dev = (struct rbd_device *)data; int ret; - if (!rbd_dev) - return; - dout("%s: \"%s\" notify_id %llu opcode %u\n", __func__, rbd_dev->header_name, (unsigned long long)notify_id, (unsigned int)opcode); @@ -3263,6 +3259,9 @@ static void rbd_dev_header_unwatch_sync(struct rbd_device *rbd_dev) ceph_osdc_cancel_event(rbd_dev->watch_event); rbd_dev->watch_event = NULL; + + dout("%s flushing notifies\n", __func__); + ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc); } /* @@ -3642,21 +3641,14 @@ static void rbd_exists_validate(struct rbd_device *rbd_dev) static void rbd_dev_update_size(struct rbd_device *rbd_dev) { sector_t size; - bool removing; /* - * Don't hold the lock while doing disk operations, - * or lock ordering will conflict with the bdev mutex via: - * rbd_add() -> blkdev_get() -> rbd_open() + * If EXISTS is not set, rbd_dev->disk may be NULL, so don't + * try to update its size. If REMOVING is set, updating size + * is just useless work since the device can't be opened. */ - spin_lock_irq(&rbd_dev->lock); - removing = test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags); - spin_unlock_irq(&rbd_dev->lock); - /* - * If the device is being removed, rbd_dev->disk has - * been destroyed, so don't try to update its size - */ - if (!removing) { + if (test_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags) && + !test_bit(RBD_DEV_FLAG_REMOVING, &rbd_dev->flags)) { size = (sector_t)rbd_dev->mapping.size / SECTOR_SIZE; dout("setting size to %llu sectors", (unsigned long long)size); set_capacity(rbd_dev->disk, size); @@ -4191,7 +4183,7 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, __le64 features; __le64 incompat; } __attribute__ ((packed)) features_buf = { 0 }; - u64 incompat; + u64 unsup; int ret; ret = rbd_obj_method_sync(rbd_dev, rbd_dev->header_name, @@ -4204,9 +4196,12 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, if (ret < sizeof (features_buf)) return -ERANGE; - incompat = le64_to_cpu(features_buf.incompat); - if (incompat & ~RBD_FEATURES_SUPPORTED) + unsup = le64_to_cpu(features_buf.incompat) & ~RBD_FEATURES_SUPPORTED; + if (unsup) { + rbd_warn(rbd_dev, "image uses unsupported features: 0x%llx", + unsup); return -ENXIO; + } *snap_features = le64_to_cpu(features_buf.features); @@ -5187,6 +5182,10 @@ out_err: return ret; } +/* + * rbd_dev->header_rwsem must be locked for write and will be unlocked + * upon return. + */ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) { int ret; @@ -5195,7 +5194,7 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) ret = rbd_dev_id_get(rbd_dev); if (ret) - return ret; + goto err_out_unlock; BUILD_BUG_ON(DEV_NAME_LEN < sizeof (RBD_DRV_NAME) + MAX_INT_FORMAT_WIDTH); @@ -5236,8 +5235,9 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev) /* Everything's ready. Announce the disk to the world. */ set_bit(RBD_DEV_FLAG_EXISTS, &rbd_dev->flags); - add_disk(rbd_dev->disk); + up_write(&rbd_dev->header_rwsem); + add_disk(rbd_dev->disk); pr_info("%s: added with size 0x%llx\n", rbd_dev->disk->disk_name, (unsigned long long) rbd_dev->mapping.size); @@ -5252,6 +5252,8 @@ err_out_blkdev: unregister_blkdev(rbd_dev->major, rbd_dev->name); err_out_id: rbd_dev_id_put(rbd_dev); +err_out_unlock: + up_write(&rbd_dev->header_rwsem); return ret; } @@ -5442,6 +5444,7 @@ static ssize_t do_rbd_add(struct bus_type *bus, spec = NULL; /* rbd_dev now owns this */ rbd_opts = NULL; /* rbd_dev now owns this */ + down_write(&rbd_dev->header_rwsem); rc = rbd_dev_image_probe(rbd_dev, 0); if (rc < 0) goto err_out_rbd_dev; @@ -5471,6 +5474,7 @@ out: return rc; err_out_rbd_dev: + up_write(&rbd_dev->header_rwsem); rbd_dev_destroy(rbd_dev); err_out_client: rbd_put_client(rbdc); @@ -5577,12 +5581,6 @@ static ssize_t do_rbd_remove(struct bus_type *bus, return ret; rbd_dev_header_unwatch_sync(rbd_dev); - /* - * flush remaining watch callbacks - these must be complete - * before the osd_client is shutdown - */ - dout("%s: flushing notifies", __func__); - ceph_osdc_flush_notifies(&rbd_dev->rbd_client->client->osdc); /* * Don't free anything from rbd_dev->disk until after all diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c index c2e52864bb03..ce54a0160faa 100644 --- a/drivers/bus/mvebu-mbus.c +++ b/drivers/bus/mvebu-mbus.c @@ -972,7 +972,7 @@ int mvebu_mbus_get_dram_win_info(phys_addr_t phyaddr, u8 *target, u8 *attr) } } - pr_err("invalid dram address 0x%x\n", phyaddr); + pr_err("invalid dram address %pa\n", &phyaddr); return -EINVAL; } EXPORT_SYMBOL_GPL(mvebu_mbus_get_dram_win_info); diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c index 834a2aeaf27a..350b7309c26d 100644 --- a/drivers/bus/uniphier-system-bus.c +++ b/drivers/bus/uniphier-system-bus.c @@ -108,7 +108,7 @@ static int uniphier_system_bus_check_overlap( for (i = 0; i < ARRAY_SIZE(priv->bank); i++) { for (j = i + 1; j < ARRAY_SIZE(priv->bank); j++) { - if (priv->bank[i].end > priv->bank[j].base || + if (priv->bank[i].end > priv->bank[j].base && priv->bank[i].base < priv->bank[j].end) { dev_err(priv->dev, "region overlap between bank%d and bank%d\n", diff --git a/drivers/char/hw_random/bcm63xx-rng.c b/drivers/char/hw_random/bcm63xx-rng.c index ca9c40309757..5132c9cde50d 100644 --- a/drivers/char/hw_random/bcm63xx-rng.c +++ b/drivers/char/hw_random/bcm63xx-rng.c @@ -12,6 +12,7 @@ #include <linux/clk.h> #include <linux/platform_device.h> #include <linux/hw_random.h> +#include <linux/of.h> #define RNG_CTRL 0x00 #define RNG_EN (1 << 0) diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index 02e18182fcb5..2beb396fe652 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -394,7 +394,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7); } else { clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6); - clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60", base + 0x20, 2, 6); + clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6); clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup); clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m", base + 0x24, 0, 6); clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); diff --git a/drivers/clocksource/tango_xtal.c b/drivers/clocksource/tango_xtal.c index 2bcecafdeaea..c407c47a3232 100644 --- a/drivers/clocksource/tango_xtal.c +++ b/drivers/clocksource/tango_xtal.c @@ -42,7 +42,7 @@ static void __init tango_clocksource_init(struct device_node *np) ret = clocksource_mmio_init(xtal_in_cnt, "tango-xtal", xtal_freq, 350, 32, clocksource_mmio_readl_up); - if (!ret) { + if (ret) { pr_err("%s: registration failed\n", np->full_name); return; } diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index f951f911786e..5f8dbe640a20 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -4,9 +4,6 @@ * Copyright (C) 2014 Linaro. * Viresh Kumar <viresh.kumar@linaro.org> * - * The OPP code in function set_target() is reused from - * drivers/cpufreq/omap-cpufreq.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. diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index b87596b591b3..c4acfc5273b3 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1491,6 +1491,9 @@ static unsigned int cpufreq_update_current_freq(struct cpufreq_policy *policy) { unsigned int new_freq; + if (cpufreq_suspended) + return 0; + new_freq = cpufreq_driver->get(policy->cpu); if (!new_freq) return 0; @@ -1554,21 +1557,25 @@ void cpufreq_suspend(void) if (!cpufreq_driver) return; - if (!has_target()) + if (!has_target() && !cpufreq_driver->suspend) goto suspend; pr_debug("%s: Suspending Governors\n", __func__); for_each_active_policy(policy) { - down_write(&policy->rwsem); - ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP); - up_write(&policy->rwsem); + if (has_target()) { + down_write(&policy->rwsem); + ret = cpufreq_governor(policy, CPUFREQ_GOV_STOP); + up_write(&policy->rwsem); - if (ret) - pr_err("%s: Failed to stop governor for policy: %p\n", - __func__, policy); - else if (cpufreq_driver->suspend - && cpufreq_driver->suspend(policy)) + if (ret) { + pr_err("%s: Failed to stop governor for policy: %p\n", + __func__, policy); + continue; + } + } + + if (cpufreq_driver->suspend && cpufreq_driver->suspend(policy)) pr_err("%s: Failed to suspend driver: %p\n", __func__, policy); } @@ -1593,7 +1600,7 @@ void cpufreq_resume(void) cpufreq_suspended = false; - if (!has_target()) + if (!has_target() && !cpufreq_driver->resume) return; pr_debug("%s: Resuming Governors\n", __func__); @@ -1602,7 +1609,7 @@ void cpufreq_resume(void) if (cpufreq_driver->resume && cpufreq_driver->resume(policy)) { pr_err("%s: Failed to resume driver: %p\n", __func__, policy); - } else { + } else if (has_target()) { down_write(&policy->rwsem); ret = cpufreq_start_governor(policy); up_write(&policy->rwsem); diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 10a5cfeae8c5..5f1147fa9239 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -193,12 +193,8 @@ unsigned int dbs_update(struct cpufreq_policy *policy) wall_time = cur_wall_time - j_cdbs->prev_cpu_wall; j_cdbs->prev_cpu_wall = cur_wall_time; - if (cur_idle_time <= j_cdbs->prev_cpu_idle) { - idle_time = 0; - } else { - idle_time = cur_idle_time - j_cdbs->prev_cpu_idle; - j_cdbs->prev_cpu_idle = cur_idle_time; - } + idle_time = cur_idle_time - j_cdbs->prev_cpu_idle; + j_cdbs->prev_cpu_idle = cur_idle_time; if (ignore_nice) { u64 cur_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 4b644526fd59..b230ebaae66c 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -64,6 +64,25 @@ static inline int ceiling_fp(int32_t x) return ret; } +/** + * struct sample - Store performance sample + * @core_pct_busy: Ratio of APERF/MPERF in percent, which is actual + * performance during last sample period + * @busy_scaled: Scaled busy value which is used to calculate next + * P state. This can be different than core_pct_busy + * to account for cpu idle period + * @aperf: Difference of actual performance frequency clock count + * read from APERF MSR between last and current sample + * @mperf: Difference of maximum performance frequency clock count + * read from MPERF MSR between last and current sample + * @tsc: Difference of time stamp counter between last and + * current sample + * @freq: Effective frequency calculated from APERF/MPERF + * @time: Current time from scheduler + * + * This structure is used in the cpudata structure to store performance sample + * data for choosing next P State. + */ struct sample { int32_t core_pct_busy; int32_t busy_scaled; @@ -74,6 +93,20 @@ struct sample { u64 time; }; +/** + * struct pstate_data - Store P state data + * @current_pstate: Current requested P state + * @min_pstate: Min P state possible for this platform + * @max_pstate: Max P state possible for this platform + * @max_pstate_physical:This is physical Max P state for a processor + * This can be higher than the max_pstate which can + * be limited by platform thermal design power limits + * @scaling: Scaling factor to convert frequency to cpufreq + * frequency units + * @turbo_pstate: Max Turbo P state possible for this platform + * + * Stores the per cpu model P state limits and current P state. + */ struct pstate_data { int current_pstate; int min_pstate; @@ -83,6 +116,19 @@ struct pstate_data { int turbo_pstate; }; +/** + * struct vid_data - Stores voltage information data + * @min: VID data for this platform corresponding to + * the lowest P state + * @max: VID data corresponding to the highest P State. + * @turbo: VID data for turbo P state + * @ratio: Ratio of (vid max - vid min) / + * (max P state - Min P State) + * + * Stores the voltage data for DVFS (Dynamic Voltage and Frequency Scaling) + * This data is used in Atom platforms, where in addition to target P state, + * the voltage data needs to be specified to select next P State. + */ struct vid_data { int min; int max; @@ -90,6 +136,18 @@ struct vid_data { int32_t ratio; }; +/** + * struct _pid - Stores PID data + * @setpoint: Target set point for busyness or performance + * @integral: Storage for accumulated error values + * @p_gain: PID proportional gain + * @i_gain: PID integral gain + * @d_gain: PID derivative gain + * @deadband: PID deadband + * @last_err: Last error storage for integral part of PID calculation + * + * Stores PID coefficients and last error for PID controller. + */ struct _pid { int setpoint; int32_t integral; @@ -100,6 +158,23 @@ struct _pid { int32_t last_err; }; +/** + * struct cpudata - Per CPU instance data storage + * @cpu: CPU number for this instance data + * @update_util: CPUFreq utility callback information + * @pstate: Stores P state limits for this CPU + * @vid: Stores VID limits for this CPU + * @pid: Stores PID parameters for this CPU + * @last_sample_time: Last Sample time + * @prev_aperf: Last APERF value read from APERF MSR + * @prev_mperf: Last MPERF value read from MPERF MSR + * @prev_tsc: Last timestamp counter (TSC) value + * @prev_cummulative_iowait: IO Wait time difference from last and + * current sample + * @sample: Storage for storing last Sample data + * + * This structure stores per CPU instance data for all CPUs. + */ struct cpudata { int cpu; @@ -118,6 +193,19 @@ struct cpudata { }; static struct cpudata **all_cpu_data; + +/** + * struct pid_adjust_policy - Stores static PID configuration data + * @sample_rate_ms: PID calculation sample rate in ms + * @sample_rate_ns: Sample rate calculation in ns + * @deadband: PID deadband + * @setpoint: PID Setpoint + * @p_gain_pct: PID proportional gain + * @i_gain_pct: PID integral gain + * @d_gain_pct: PID derivative gain + * + * Stores per CPU model static PID configuration data. + */ struct pstate_adjust_policy { int sample_rate_ms; s64 sample_rate_ns; @@ -128,6 +216,20 @@ struct pstate_adjust_policy { int i_gain_pct; }; +/** + * struct pstate_funcs - Per CPU model specific callbacks + * @get_max: Callback to get maximum non turbo effective P state + * @get_max_physical: Callback to get maximum non turbo physical P state + * @get_min: Callback to get minimum P state + * @get_turbo: Callback to get turbo P state + * @get_scaling: Callback to get frequency scaling factor + * @get_val: Callback to convert P state to actual MSR write value + * @get_vid: Callback to get VID data for Atom platforms + * @get_target_pstate: Callback to a function to calculate next P state to use + * + * Core and Atom CPU models have different way to get P State limits. This + * structure is used to store those callbacks. + */ struct pstate_funcs { int (*get_max)(void); int (*get_max_physical)(void); @@ -139,6 +241,11 @@ struct pstate_funcs { int32_t (*get_target_pstate)(struct cpudata *); }; +/** + * struct cpu_defaults- Per CPU model default config data + * @pid_policy: PID config data + * @funcs: Callback function data + */ struct cpu_defaults { struct pstate_adjust_policy pid_policy; struct pstate_funcs funcs; @@ -151,6 +258,34 @@ static struct pstate_adjust_policy pid_params; static struct pstate_funcs pstate_funcs; static int hwp_active; + +/** + * struct perf_limits - Store user and policy limits + * @no_turbo: User requested turbo state from intel_pstate sysfs + * @turbo_disabled: Platform turbo status either from msr + * MSR_IA32_MISC_ENABLE or when maximum available pstate + * matches the maximum turbo pstate + * @max_perf_pct: Effective maximum performance limit in percentage, this + * is minimum of either limits enforced by cpufreq policy + * or limits from user set limits via intel_pstate sysfs + * @min_perf_pct: Effective minimum performance limit in percentage, this + * is maximum of either limits enforced by cpufreq policy + * or limits from user set limits via intel_pstate sysfs + * @max_perf: This is a scaled value between 0 to 255 for max_perf_pct + * This value is used to limit max pstate + * @min_perf: This is a scaled value between 0 to 255 for min_perf_pct + * This value is used to limit min pstate + * @max_policy_pct: The maximum performance in percentage enforced by + * cpufreq setpolicy interface + * @max_sysfs_pct: The maximum performance in percentage enforced by + * intel pstate sysfs interface + * @min_policy_pct: The minimum performance in percentage enforced by + * cpufreq setpolicy interface + * @min_sysfs_pct: The minimum performance in percentage enforced by + * intel pstate sysfs interface + * + * Storage for user and policy defined limits. + */ struct perf_limits { int no_turbo; int turbo_disabled; @@ -318,6 +453,14 @@ static void intel_pstate_hwp_set(const struct cpumask *cpumask) } } +static int intel_pstate_hwp_set_policy(struct cpufreq_policy *policy) +{ + if (hwp_active) + intel_pstate_hwp_set(policy->cpus); + + return 0; +} + static void intel_pstate_hwp_set_online_cpus(void) { get_online_cpus(); @@ -678,6 +821,11 @@ static int core_get_max_pstate(void) if (err) goto skip_tar; + /* For level 1 and 2, bits[23:16] contain the ratio */ + if (tdp_ctrl) + tdp_ratio >>= 16; + + tdp_ratio &= 0xff; /* ratios are only 8 bits long */ if (tdp_ratio - 1 == tar) { max_pstate = tar; pr_debug("max_pstate=TAC %x\n", max_pstate); @@ -910,13 +1058,21 @@ static inline bool intel_pstate_sample(struct cpudata *cpu, u64 time) cpu->prev_aperf = aperf; cpu->prev_mperf = mperf; cpu->prev_tsc = tsc; - return true; + /* + * First time this function is invoked in a given cycle, all of the + * previous sample data fields are equal to zero or stale and they must + * be populated with meaningful numbers for things to work, so assume + * that sample.time will always be reset before setting the utilization + * update hook and make the caller skip the sample then. + */ + return !!cpu->last_sample_time; } static inline int32_t get_avg_frequency(struct cpudata *cpu) { - return div64_u64(cpu->pstate.max_pstate_physical * cpu->sample.aperf * - cpu->pstate.scaling, cpu->sample.mperf); + return fp_toint(mul_fp(cpu->sample.core_pct_busy, + int_tofp(cpu->pstate.max_pstate_physical * + cpu->pstate.scaling / 100))); } static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu) @@ -959,8 +1115,6 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) int32_t core_busy, max_pstate, current_pstate, sample_ratio; u64 duration_ns; - intel_pstate_calc_busy(cpu); - /* * core_busy is the ratio of actual performance to max * max_pstate is the max non turbo pstate available @@ -984,11 +1138,14 @@ static inline int32_t get_target_pstate_use_performance(struct cpudata *cpu) * enough period of time to adjust our busyness. */ duration_ns = cpu->sample.time - cpu->last_sample_time; - if ((s64)duration_ns > pid_params.sample_rate_ns * 3 - && cpu->last_sample_time > 0) { + if ((s64)duration_ns > pid_params.sample_rate_ns * 3) { sample_ratio = div_fp(int_tofp(pid_params.sample_rate_ns), int_tofp(duration_ns)); core_busy = mul_fp(core_busy, sample_ratio); + } else { + sample_ratio = div_fp(100 * cpu->sample.mperf, cpu->sample.tsc); + if (sample_ratio < int_tofp(1)) + core_busy = 0; } cpu->sample.busy_scaled = core_busy; @@ -1041,8 +1198,11 @@ static void intel_pstate_update_util(struct update_util_data *data, u64 time, if ((s64)delta_ns >= pid_params.sample_rate_ns) { bool sample_taken = intel_pstate_sample(cpu, time); - if (sample_taken && !hwp_active) - intel_pstate_adjust_busy_pstate(cpu); + if (sample_taken) { + intel_pstate_calc_busy(cpu); + if (!hwp_active) + intel_pstate_adjust_busy_pstate(cpu); + } } } @@ -1100,10 +1260,8 @@ static int intel_pstate_init_cpu(unsigned int cpunum) intel_pstate_get_cpu_pstates(cpu); intel_pstate_busy_pid_reset(cpu); - intel_pstate_sample(cpu, 0); cpu->update_util.func = intel_pstate_update_util; - cpufreq_set_update_util_data(cpunum, &cpu->update_util); pr_debug("intel_pstate: controlling: cpu %d\n", cpunum); @@ -1122,22 +1280,54 @@ static unsigned int intel_pstate_get(unsigned int cpu_num) return get_avg_frequency(cpu); } +static void intel_pstate_set_update_util_hook(unsigned int cpu_num) +{ + struct cpudata *cpu = all_cpu_data[cpu_num]; + + /* Prevent intel_pstate_update_util() from using stale data. */ + cpu->sample.time = 0; + cpufreq_set_update_util_data(cpu_num, &cpu->update_util); +} + +static void intel_pstate_clear_update_util_hook(unsigned int cpu) +{ + cpufreq_set_update_util_data(cpu, NULL); + synchronize_sched(); +} + +static void intel_pstate_set_performance_limits(struct perf_limits *limits) +{ + limits->no_turbo = 0; + limits->turbo_disabled = 0; + limits->max_perf_pct = 100; + limits->max_perf = int_tofp(1); + limits->min_perf_pct = 100; + limits->min_perf = int_tofp(1); + limits->max_policy_pct = 100; + limits->max_sysfs_pct = 100; + limits->min_policy_pct = 0; + limits->min_sysfs_pct = 0; +} + static int intel_pstate_set_policy(struct cpufreq_policy *policy) { if (!policy->cpuinfo.max_freq) return -ENODEV; - if (policy->policy == CPUFREQ_POLICY_PERFORMANCE && - policy->max >= policy->cpuinfo.max_freq) { - pr_debug("intel_pstate: set performance\n"); + intel_pstate_clear_update_util_hook(policy->cpu); + + if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { limits = &performance_limits; - if (hwp_active) - intel_pstate_hwp_set(policy->cpus); - return 0; + if (policy->max >= policy->cpuinfo.max_freq) { + pr_debug("intel_pstate: set performance\n"); + intel_pstate_set_performance_limits(limits); + goto out; + } + } else { + pr_debug("intel_pstate: set powersave\n"); + limits = &powersave_limits; } - pr_debug("intel_pstate: set powersave\n"); - limits = &powersave_limits; limits->min_policy_pct = (policy->min * 100) / policy->cpuinfo.max_freq; limits->min_policy_pct = clamp_t(int, limits->min_policy_pct, 0 , 100); limits->max_policy_pct = DIV_ROUND_UP(policy->max * 100, @@ -1163,8 +1353,10 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits->max_perf = div_fp(int_tofp(limits->max_perf_pct), int_tofp(100)); - if (hwp_active) - intel_pstate_hwp_set(policy->cpus); + out: + intel_pstate_set_update_util_hook(policy->cpu); + + intel_pstate_hwp_set_policy(policy); return 0; } @@ -1187,8 +1379,7 @@ static void intel_pstate_stop_cpu(struct cpufreq_policy *policy) pr_debug("intel_pstate: CPU %d exiting\n", cpu_num); - cpufreq_set_update_util_data(cpu_num, NULL); - synchronize_sched(); + intel_pstate_clear_update_util_hook(cpu_num); if (hwp_active) return; @@ -1229,6 +1420,7 @@ static struct cpufreq_driver intel_pstate_driver = { .flags = CPUFREQ_CONST_LOOPS, .verify = intel_pstate_verify_policy, .setpolicy = intel_pstate_set_policy, + .resume = intel_pstate_hwp_set_policy, .get = intel_pstate_get, .init = intel_pstate_cpu_init, .stop_cpu = intel_pstate_stop_cpu, @@ -1455,8 +1647,7 @@ out: get_online_cpus(); for_each_online_cpu(cpu) { if (all_cpu_data[cpu]) { - cpufreq_set_update_util_data(cpu, NULL); - synchronize_sched(); + intel_pstate_clear_update_util_hook(cpu); kfree(all_cpu_data[cpu]); } } diff --git a/drivers/cpufreq/sti-cpufreq.c b/drivers/cpufreq/sti-cpufreq.c index a9c659f58974..04042038ec4b 100644 --- a/drivers/cpufreq/sti-cpufreq.c +++ b/drivers/cpufreq/sti-cpufreq.c @@ -259,6 +259,10 @@ static int sti_cpufreq_init(void) { int ret; + if ((!of_machine_is_compatible("st,stih407")) && + (!of_machine_is_compatible("st,stih410"))) + return -ENODEV; + ddata.cpu = get_cpu_device(0); if (!ddata.cpu) { dev_err(ddata.cpu, "Failed to get device for CPU0\n"); diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index 545069d5fdfb..e342565e8715 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -50,7 +50,7 @@ static int arm_enter_idle_state(struct cpuidle_device *dev, * call the CPU ops suspend protocol with idle index as a * parameter. */ - arm_cpuidle_suspend(idx); + ret = arm_cpuidle_suspend(idx); cpu_pm_exit(); } diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c index 3d9acc53d247..60fc0fa26fd3 100644 --- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c +++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c @@ -225,6 +225,9 @@ static int ccp_aes_cmac_export(struct ahash_request *req, void *out) struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req); struct ccp_aes_cmac_exp_ctx state; + /* Don't let anything leak to 'out' */ + memset(&state, 0, sizeof(state)); + state.null_msg = rctx->null_msg; memcpy(state.iv, rctx->iv, sizeof(state.iv)); state.buf_count = rctx->buf_count; diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c index b5ad72897dc2..8f36af62fe95 100644 --- a/drivers/crypto/ccp/ccp-crypto-sha.c +++ b/drivers/crypto/ccp/ccp-crypto-sha.c @@ -212,6 +212,9 @@ static int ccp_sha_export(struct ahash_request *req, void *out) struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req); struct ccp_sha_exp_ctx state; + /* Don't let anything leak to 'out' */ + memset(&state, 0, sizeof(state)); + state.type = rctx->type; state.msg_bits = rctx->msg_bits; state.first = rctx->first; diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index a0d4a08313ae..aae05547b924 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -63,6 +63,14 @@ static void to_talitos_ptr(struct talitos_ptr *ptr, dma_addr_t dma_addr, ptr->eptr = upper_32_bits(dma_addr); } +static void copy_talitos_ptr(struct talitos_ptr *dst_ptr, + struct talitos_ptr *src_ptr, bool is_sec1) +{ + dst_ptr->ptr = src_ptr->ptr; + if (!is_sec1) + dst_ptr->eptr = src_ptr->eptr; +} + static void to_talitos_ptr_len(struct talitos_ptr *ptr, unsigned int len, bool is_sec1) { @@ -1083,21 +1091,20 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ?: 1, (areq->src == areq->dst) ? DMA_BIDIRECTIONAL : DMA_TO_DEVICE); - /* hmac data */ desc->ptr[1].len = cpu_to_be16(areq->assoclen); if (sg_count > 1 && (ret = sg_to_link_tbl_offset(areq->src, sg_count, 0, areq->assoclen, &edesc->link_tbl[tbl_off])) > 1) { - tbl_off += ret; - to_talitos_ptr(&desc->ptr[1], edesc->dma_link_tbl + tbl_off * sizeof(struct talitos_ptr), 0); desc->ptr[1].j_extent = DESC_PTR_LNKTBL_JUMP; dma_sync_single_for_device(dev, edesc->dma_link_tbl, edesc->dma_len, DMA_BIDIRECTIONAL); + + tbl_off += ret; } else { to_talitos_ptr(&desc->ptr[1], sg_dma_address(areq->src), 0); desc->ptr[1].j_extent = 0; @@ -1126,11 +1133,13 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, if (edesc->desc.hdr & DESC_HDR_MODE1_MDEU_CICV) sg_link_tbl_len += authsize; - if (sg_count > 1 && - (ret = sg_to_link_tbl_offset(areq->src, sg_count, areq->assoclen, - sg_link_tbl_len, - &edesc->link_tbl[tbl_off])) > 1) { - tbl_off += ret; + if (sg_count == 1) { + to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src) + + areq->assoclen, 0); + } else if ((ret = sg_to_link_tbl_offset(areq->src, sg_count, + areq->assoclen, sg_link_tbl_len, + &edesc->link_tbl[tbl_off])) > + 1) { desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP; to_talitos_ptr(&desc->ptr[4], edesc->dma_link_tbl + tbl_off * @@ -1138,8 +1147,10 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, dma_sync_single_for_device(dev, edesc->dma_link_tbl, edesc->dma_len, DMA_BIDIRECTIONAL); - } else - to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src), 0); + tbl_off += ret; + } else { + copy_talitos_ptr(&desc->ptr[4], &edesc->link_tbl[tbl_off], 0); + } /* cipher out */ desc->ptr[5].len = cpu_to_be16(cryptlen); @@ -1151,11 +1162,13 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, edesc->icv_ool = false; - if (sg_count > 1 && - (sg_count = sg_to_link_tbl_offset(areq->dst, sg_count, + if (sg_count == 1) { + to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst) + + areq->assoclen, 0); + } else if ((sg_count = + sg_to_link_tbl_offset(areq->dst, sg_count, areq->assoclen, cryptlen, - &edesc->link_tbl[tbl_off])) > - 1) { + &edesc->link_tbl[tbl_off])) > 1) { struct talitos_ptr *tbl_ptr = &edesc->link_tbl[tbl_off]; to_talitos_ptr(&desc->ptr[5], edesc->dma_link_tbl + @@ -1178,8 +1191,9 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, edesc->dma_len, DMA_BIDIRECTIONAL); edesc->icv_ool = true; - } else - to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst), 0); + } else { + copy_talitos_ptr(&desc->ptr[5], &edesc->link_tbl[tbl_off], 0); + } /* iv out */ map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv, @@ -2629,21 +2643,11 @@ struct talitos_crypto_alg { struct talitos_alg_template algt; }; -static int talitos_cra_init(struct crypto_tfm *tfm) +static int talitos_init_common(struct talitos_ctx *ctx, + struct talitos_crypto_alg *talitos_alg) { - struct crypto_alg *alg = tfm->__crt_alg; - struct talitos_crypto_alg *talitos_alg; - struct talitos_ctx *ctx = crypto_tfm_ctx(tfm); struct talitos_private *priv; - if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH) - talitos_alg = container_of(__crypto_ahash_alg(alg), - struct talitos_crypto_alg, - algt.alg.hash); - else - talitos_alg = container_of(alg, struct talitos_crypto_alg, - algt.alg.crypto); - /* update context with ptr to dev */ ctx->dev = talitos_alg->dev; @@ -2661,10 +2665,33 @@ static int talitos_cra_init(struct crypto_tfm *tfm) return 0; } +static int talitos_cra_init(struct crypto_tfm *tfm) +{ + struct crypto_alg *alg = tfm->__crt_alg; + struct talitos_crypto_alg *talitos_alg; + struct talitos_ctx *ctx = crypto_tfm_ctx(tfm); + + if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH) + talitos_alg = container_of(__crypto_ahash_alg(alg), + struct talitos_crypto_alg, + algt.alg.hash); + else + talitos_alg = container_of(alg, struct talitos_crypto_alg, + algt.alg.crypto); + + return talitos_init_common(ctx, talitos_alg); +} + static int talitos_cra_init_aead(struct crypto_aead *tfm) { - talitos_cra_init(crypto_aead_tfm(tfm)); - return 0; + struct aead_alg *alg = crypto_aead_alg(tfm); + struct talitos_crypto_alg *talitos_alg; + struct talitos_ctx *ctx = crypto_aead_ctx(tfm); + + talitos_alg = container_of(alg, struct talitos_crypto_alg, + algt.alg.aead); + + return talitos_init_common(ctx, talitos_alg); } static int talitos_cra_init_ahash(struct crypto_tfm *tfm) diff --git a/drivers/dma/dw/core.c b/drivers/dma/dw/core.c index 5ad0ec1f0e29..97199b3c25a2 100644 --- a/drivers/dma/dw/core.c +++ b/drivers/dma/dw/core.c @@ -130,26 +130,14 @@ static void dwc_desc_put(struct dw_dma_chan *dwc, struct dw_desc *desc) static void dwc_initialize(struct dw_dma_chan *dwc) { struct dw_dma *dw = to_dw_dma(dwc->chan.device); - struct dw_dma_slave *dws = dwc->chan.private; u32 cfghi = DWC_CFGH_FIFO_MODE; u32 cfglo = DWC_CFGL_CH_PRIOR(dwc->priority); if (dwc->initialized == true) return; - if (dws) { - /* - * We need controller-specific data to set up slave - * transfers. - */ - BUG_ON(!dws->dma_dev || dws->dma_dev != dw->dma.dev); - - cfghi |= DWC_CFGH_DST_PER(dws->dst_id); - cfghi |= DWC_CFGH_SRC_PER(dws->src_id); - } else { - cfghi |= DWC_CFGH_DST_PER(dwc->dst_id); - cfghi |= DWC_CFGH_SRC_PER(dwc->src_id); - } + cfghi |= DWC_CFGH_DST_PER(dwc->dst_id); + cfghi |= DWC_CFGH_SRC_PER(dwc->src_id); channel_writel(dwc, CFG_LO, cfglo); channel_writel(dwc, CFG_HI, cfghi); @@ -941,7 +929,7 @@ bool dw_dma_filter(struct dma_chan *chan, void *param) struct dw_dma_chan *dwc = to_dw_dma_chan(chan); struct dw_dma_slave *dws = param; - if (!dws || dws->dma_dev != chan->device->dev) + if (dws->dma_dev != chan->device->dev) return false; /* We have to copy data since dws can be temporary storage */ @@ -1165,6 +1153,14 @@ static int dwc_alloc_chan_resources(struct dma_chan *chan) * doesn't mean what you think it means), and status writeback. */ + /* + * We need controller-specific data to set up slave transfers. + */ + if (chan->private && !dw_dma_filter(chan, chan->private)) { + dev_warn(chan2dev(chan), "Wrong controller-specific data\n"); + return -EINVAL; + } + /* Enable controller here if needed */ if (!dw->in_use) dw_dma_on(dw); @@ -1226,6 +1222,14 @@ static void dwc_free_chan_resources(struct dma_chan *chan) spin_lock_irqsave(&dwc->lock, flags); list_splice_init(&dwc->free_list, &list); dwc->descs_allocated = 0; + + /* Clear custom channel configuration */ + dwc->src_id = 0; + dwc->dst_id = 0; + + dwc->src_master = 0; + dwc->dst_master = 0; + dwc->initialized = false; /* Disable interrupts */ diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index ee3463e774f8..04070baab78a 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -1238,6 +1238,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic( struct edma_desc *edesc; dma_addr_t src_addr, dst_addr; enum dma_slave_buswidth dev_width; + bool use_intermediate = false; u32 burst; int i, ret, nslots; @@ -1279,8 +1280,21 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic( * but the synchronization is difficult to achieve with Cyclic and * cannot be guaranteed, so we error out early. */ - if (nslots > MAX_NR_SG) - return NULL; + if (nslots > MAX_NR_SG) { + /* + * If the burst and period sizes are the same, we can put + * the full buffer into a single period and activate + * intermediate interrupts. This will produce interrupts + * after each burst, which is also after each desired period. + */ + if (burst == period_len) { + period_len = buf_len; + nslots = 2; + use_intermediate = true; + } else { + return NULL; + } + } edesc = kzalloc(sizeof(*edesc) + nslots * sizeof(edesc->pset[0]), GFP_ATOMIC); @@ -1358,8 +1372,13 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic( /* * Enable period interrupt only if it is requested */ - if (tx_flags & DMA_PREP_INTERRUPT) + if (tx_flags & DMA_PREP_INTERRUPT) { edesc->pset[i].param.opt |= TCINTEN; + + /* Also enable intermediate interrupts if necessary */ + if (use_intermediate) + edesc->pset[i].param.opt |= ITCINTEN; + } } /* Place the cyclic channel to highest priority queue */ @@ -1570,32 +1589,6 @@ static irqreturn_t dma_ccerr_handler(int irq, void *data) return IRQ_HANDLED; } -static void edma_tc_set_pm_state(struct edma_tc *tc, bool enable) -{ - struct platform_device *tc_pdev; - int ret; - - if (!IS_ENABLED(CONFIG_OF) || !tc) - return; - - tc_pdev = of_find_device_by_node(tc->node); - if (!tc_pdev) { - pr_err("%s: TPTC device is not found\n", __func__); - return; - } - if (!pm_runtime_enabled(&tc_pdev->dev)) - pm_runtime_enable(&tc_pdev->dev); - - if (enable) - ret = pm_runtime_get_sync(&tc_pdev->dev); - else - ret = pm_runtime_put_sync(&tc_pdev->dev); - - if (ret < 0) - pr_err("%s: pm_runtime_%s_sync() failed for %s\n", __func__, - enable ? "get" : "put", dev_name(&tc_pdev->dev)); -} - /* Alloc channel resources */ static int edma_alloc_chan_resources(struct dma_chan *chan) { @@ -1632,8 +1625,6 @@ static int edma_alloc_chan_resources(struct dma_chan *chan) EDMA_CHAN_SLOT(echan->ch_num), chan->chan_id, echan->hw_triggered ? "HW" : "SW"); - edma_tc_set_pm_state(echan->tc, true); - return 0; err_slot: @@ -1670,7 +1661,6 @@ static void edma_free_chan_resources(struct dma_chan *chan) echan->alloced = false; } - edma_tc_set_pm_state(echan->tc, false); echan->tc = NULL; echan->hw_triggered = false; @@ -2417,10 +2407,8 @@ static int edma_pm_suspend(struct device *dev) int i; for (i = 0; i < ecc->num_channels; i++) { - if (echan[i].alloced) { + if (echan[i].alloced) edma_setup_interrupt(&echan[i], false); - edma_tc_set_pm_state(echan[i].tc, false); - } } return 0; @@ -2450,8 +2438,6 @@ static int edma_pm_resume(struct device *dev) /* Set up channel -> slot mapping for the entry slot */ edma_set_chmap(&echan[i], echan[i].slot[0]); - - edma_tc_set_pm_state(echan[i].tc, true); } } @@ -2475,7 +2461,8 @@ static struct platform_driver edma_driver = { static int edma_tptc_probe(struct platform_device *pdev) { - return 0; + pm_runtime_enable(&pdev->dev); + return pm_runtime_get_sync(&pdev->dev); } static struct platform_driver edma_tptc_driver = { diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c index eef145edb936..ee510515ce18 100644 --- a/drivers/dma/hsu/hsu.c +++ b/drivers/dma/hsu/hsu.c @@ -64,10 +64,10 @@ static void hsu_dma_chan_start(struct hsu_dma_chan *hsuc) if (hsuc->direction == DMA_MEM_TO_DEV) { bsr = config->dst_maxburst; - mtsr = config->dst_addr_width; + mtsr = config->src_addr_width; } else if (hsuc->direction == DMA_DEV_TO_MEM) { bsr = config->src_maxburst; - mtsr = config->src_addr_width; + mtsr = config->dst_addr_width; } hsu_chan_disable(hsuc); @@ -135,7 +135,7 @@ static u32 hsu_dma_chan_get_sr(struct hsu_dma_chan *hsuc) sr = hsu_chan_readl(hsuc, HSU_CH_SR); spin_unlock_irqrestore(&hsuc->vchan.lock, flags); - return sr; + return sr & ~(HSU_CH_SR_DESCE_ANY | HSU_CH_SR_CDESC_ANY); } irqreturn_t hsu_dma_irq(struct hsu_dma_chip *chip, unsigned short nr) @@ -254,10 +254,13 @@ static void hsu_dma_issue_pending(struct dma_chan *chan) static size_t hsu_dma_active_desc_size(struct hsu_dma_chan *hsuc) { struct hsu_dma_desc *desc = hsuc->desc; - size_t bytes = desc->length; + size_t bytes = 0; int i; - i = desc->active % HSU_DMA_CHAN_NR_DESC; + for (i = desc->active; i < desc->nents; i++) + bytes += desc->sg[i].len; + + i = HSU_DMA_CHAN_NR_DESC - 1; do { bytes += hsu_chan_readl(hsuc, HSU_CH_DxTSR(i)); } while (--i >= 0); diff --git a/drivers/dma/hsu/hsu.h b/drivers/dma/hsu/hsu.h index 578a8ee8cd05..6b070c22b1df 100644 --- a/drivers/dma/hsu/hsu.h +++ b/drivers/dma/hsu/hsu.h @@ -41,6 +41,9 @@ #define HSU_CH_SR_DESCTO(x) BIT(8 + (x)) #define HSU_CH_SR_DESCTO_ANY (BIT(11) | BIT(10) | BIT(9) | BIT(8)) #define HSU_CH_SR_CHE BIT(15) +#define HSU_CH_SR_DESCE(x) BIT(16 + (x)) +#define HSU_CH_SR_DESCE_ANY (BIT(19) | BIT(18) | BIT(17) | BIT(16)) +#define HSU_CH_SR_CDESC_ANY (BIT(31) | BIT(30)) /* Bits in HSU_CH_CR */ #define HSU_CH_CR_CHA BIT(0) diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index 43bd5aee7ffe..1e984e18c126 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -48,6 +48,7 @@ struct omap_chan { unsigned dma_sig; bool cyclic; bool paused; + bool running; int dma_ch; struct omap_desc *desc; @@ -294,6 +295,8 @@ static void omap_dma_start(struct omap_chan *c, struct omap_desc *d) /* Enable channel */ omap_dma_chan_write(c, CCR, d->ccr | CCR_ENABLE); + + c->running = true; } static void omap_dma_stop(struct omap_chan *c) @@ -355,6 +358,8 @@ static void omap_dma_stop(struct omap_chan *c) omap_dma_chan_write(c, CLNK_CTRL, val); } + + c->running = false; } static void omap_dma_start_sg(struct omap_chan *c, struct omap_desc *d, @@ -673,15 +678,20 @@ static enum dma_status omap_dma_tx_status(struct dma_chan *chan, struct omap_chan *c = to_omap_dma_chan(chan); struct virt_dma_desc *vd; enum dma_status ret; - uint32_t ccr; unsigned long flags; - ccr = omap_dma_chan_read(c, CCR); - /* The channel is no longer active, handle the completion right away */ - if (!(ccr & CCR_ENABLE)) - omap_dma_callback(c->dma_ch, 0, c); - ret = dma_cookie_status(chan, cookie, txstate); + + if (!c->paused && c->running) { + uint32_t ccr = omap_dma_chan_read(c, CCR); + /* + * The channel is no longer active, set the return value + * accordingly + */ + if (!(ccr & CCR_ENABLE)) + ret = DMA_COMPLETE; + } + if (ret == DMA_COMPLETE || !txstate) return ret; @@ -945,9 +955,7 @@ static struct dma_async_tx_descriptor *omap_dma_prep_dma_memcpy( d->ccr = c->ccr; d->ccr |= CCR_DST_AMODE_POSTINC | CCR_SRC_AMODE_POSTINC; - d->cicr = CICR_DROP_IE; - if (tx_flags & DMA_PREP_INTERRUPT) - d->cicr |= CICR_FRAME_IE; + d->cicr = CICR_DROP_IE | CICR_FRAME_IE; d->csdp = data_type; diff --git a/drivers/dma/xilinx/xilinx_vdma.c b/drivers/dma/xilinx/xilinx_vdma.c index 0ee0321868d3..ef67f278e076 100644 --- a/drivers/dma/xilinx/xilinx_vdma.c +++ b/drivers/dma/xilinx/xilinx_vdma.c @@ -1236,7 +1236,7 @@ static struct dma_chan *of_dma_xilinx_xlate(struct of_phandle_args *dma_spec, struct xilinx_vdma_device *xdev = ofdma->of_dma_data; int chan_id = dma_spec->args[0]; - if (chan_id >= XILINX_VDMA_MAX_CHANS_PER_DEVICE) + if (chan_id >= XILINX_VDMA_MAX_CHANS_PER_DEVICE || !xdev->chan[chan_id]) return NULL; return dma_get_slave_channel(&xdev->chan[chan_id]->common); diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 01087a38da22..792bdae2b91d 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -1866,7 +1866,7 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val, i7_dev = get_i7core_dev(mce->socketid); if (!i7_dev) - return NOTIFY_BAD; + return NOTIFY_DONE; mci = i7_dev->mci; pvt = mci->pvt_info; diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 93f0d4120289..8bf745d2da7e 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -362,6 +362,7 @@ struct sbridge_pvt { /* Memory type detection */ bool is_mirrored, is_lockstep, is_close_pg; + bool is_chan_hash; /* Fifo double buffers */ struct mce mce_entry[MCE_LOG_LEN]; @@ -1060,6 +1061,20 @@ static inline u8 sad_pkg_ha(u8 pkg) return (pkg >> 2) & 0x1; } +static int haswell_chan_hash(int idx, u64 addr) +{ + int i; + + /* + * XOR even bits from 12:26 to bit0 of idx, + * odd bits from 13:27 to bit1 + */ + for (i = 12; i < 28; i += 2) + idx ^= (addr >> i) & 3; + + return idx; +} + /**************************************************************************** Memory check routines ****************************************************************************/ @@ -1616,6 +1631,10 @@ static int get_dimm_config(struct mem_ctl_info *mci) KNL_MAX_CHANNELS : NUM_CHANNELS; u64 knl_mc_sizes[KNL_MAX_CHANNELS]; + if (pvt->info.type == HASWELL || pvt->info.type == BROADWELL) { + pci_read_config_dword(pvt->pci_ha0, HASWELL_HASYSDEFEATURE2, ®); + pvt->is_chan_hash = GET_BITFIELD(reg, 21, 21); + } if (pvt->info.type == HASWELL || pvt->info.type == BROADWELL || pvt->info.type == KNIGHTS_LANDING) pci_read_config_dword(pvt->pci_sad1, SAD_TARGET, ®); @@ -2118,12 +2137,15 @@ static int get_memory_error_data(struct mem_ctl_info *mci, } ch_way = TAD_CH(reg) + 1; - sck_way = 1 << TAD_SOCK(reg); + sck_way = TAD_SOCK(reg); if (ch_way == 3) idx = addr >> 6; - else + else { idx = (addr >> (6 + sck_way + shiftup)) & 0x3; + if (pvt->is_chan_hash) + idx = haswell_chan_hash(idx, addr); + } idx = idx % ch_way; /* @@ -2157,7 +2179,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, switch(ch_way) { case 2: case 4: - sck_xch = 1 << sck_way * (ch_way >> 1); + sck_xch = (1 << sck_way) * (ch_way >> 1); break; default: sprintf(msg, "Invalid mirror set. Can't decode addr"); @@ -2193,7 +2215,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci, ch_addr = addr - offset; ch_addr >>= (6 + shiftup); - ch_addr /= ch_way * sck_way; + ch_addr /= sck_xch; ch_addr <<= (6 + shiftup); ch_addr |= addr & ((1 << (6 + shiftup)) - 1); @@ -3146,7 +3168,7 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val, mci = get_mci_for_node_id(mce->socketid); if (!mci) - return NOTIFY_BAD; + return NOTIFY_DONE; pvt = mci->pvt_info; /* diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c index 841a4b586395..8b3226dca1d9 100644 --- a/drivers/extcon/extcon-palmas.c +++ b/drivers/extcon/extcon-palmas.c @@ -348,8 +348,7 @@ static int palmas_usb_probe(struct platform_device *pdev) palmas_vbus_irq_handler, IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | - IRQF_ONESHOT | - IRQF_EARLY_RESUME, + IRQF_ONESHOT, "palmas_usb_vbus", palmas_usb); if (status < 0) { diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c index aa1f743152a2..8714f8c271ba 100644 --- a/drivers/firmware/efi/arm-init.c +++ b/drivers/firmware/efi/arm-init.c @@ -203,7 +203,19 @@ void __init efi_init(void) reserve_regions(); early_memunmap(memmap.map, params.mmap_size); - memblock_mark_nomap(params.mmap & PAGE_MASK, - PAGE_ALIGN(params.mmap_size + - (params.mmap & ~PAGE_MASK))); + + if (IS_ENABLED(CONFIG_ARM)) { + /* + * ARM currently does not allow ioremap_cache() to be called on + * memory regions that are covered by struct page. So remove the + * UEFI memory map from the linear mapping. + */ + memblock_mark_nomap(params.mmap & PAGE_MASK, + PAGE_ALIGN(params.mmap_size + + (params.mmap & ~PAGE_MASK))); + } else { + memblock_reserve(params.mmap & PAGE_MASK, + PAGE_ALIGN(params.mmap_size + + (params.mmap & ~PAGE_MASK))); + } } diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c index 0ac594c0a234..34b741940494 100644 --- a/drivers/firmware/efi/vars.c +++ b/drivers/firmware/efi/vars.c @@ -202,29 +202,44 @@ static const struct variable_validate variable_validate[] = { { NULL_GUID, "", NULL }, }; +/* + * Check if @var_name matches the pattern given in @match_name. + * + * @var_name: an array of @len non-NUL characters. + * @match_name: a NUL-terminated pattern string, optionally ending in "*". A + * final "*" character matches any trailing characters @var_name, + * including the case when there are none left in @var_name. + * @match: on output, the number of non-wildcard characters in @match_name + * that @var_name matches, regardless of the return value. + * @return: whether @var_name fully matches @match_name. + */ static bool variable_matches(const char *var_name, size_t len, const char *match_name, int *match) { for (*match = 0; ; (*match)++) { char c = match_name[*match]; - char u = var_name[*match]; - /* Wildcard in the matching name means we've matched */ - if (c == '*') + switch (c) { + case '*': + /* Wildcard in @match_name means we've matched. */ return true; - /* Case sensitive match */ - if (!c && *match == len) - return true; + case '\0': + /* @match_name has ended. Has @var_name too? */ + return (*match == len); - if (c != u) + default: + /* + * We've reached a non-wildcard char in @match_name. + * Continue only if there's an identical character in + * @var_name. + */ + if (*match < len && c == var_name[*match]) + continue; return false; - - if (!c) - return true; + } } - return true; } bool diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c index 11bfee8b79a9..b5d05807e6ec 100644 --- a/drivers/firmware/psci.c +++ b/drivers/firmware/psci.c @@ -360,7 +360,7 @@ static struct cpuidle_ops psci_cpuidle_ops __initdata = { .init = psci_dt_cpu_init_idle, }; -CPUIDLE_METHOD_OF_DECLARE(psci, "arm,psci", &psci_cpuidle_ops); +CPUIDLE_METHOD_OF_DECLARE(psci, "psci", &psci_cpuidle_ops); #endif #endif diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c index fedbff55a7f3..1b95475b6aef 100644 --- a/drivers/firmware/qemu_fw_cfg.c +++ b/drivers/firmware/qemu_fw_cfg.c @@ -77,12 +77,28 @@ static inline u16 fw_cfg_sel_endianness(u16 key) static inline void fw_cfg_read_blob(u16 key, void *buf, loff_t pos, size_t count) { + u32 glk = -1U; + acpi_status status; + + /* If we have ACPI, ensure mutual exclusion against any potential + * device access by the firmware, e.g. via AML methods: + */ + status = acpi_acquire_global_lock(ACPI_WAIT_FOREVER, &glk); + if (ACPI_FAILURE(status) && status != AE_NOT_CONFIGURED) { + /* Should never get here */ + WARN(1, "fw_cfg_read_blob: Failed to lock ACPI!\n"); + memset(buf, 0, count); + return; + } + mutex_lock(&fw_cfg_dev_lock); iowrite16(fw_cfg_sel_endianness(key), fw_cfg_reg_ctrl); while (pos-- > 0) ioread8(fw_cfg_reg_data); ioread8_rep(fw_cfg_reg_data, buf, count); mutex_unlock(&fw_cfg_dev_lock); + + acpi_release_global_lock(glk); } /* clean up fw_cfg device i/o */ @@ -727,12 +743,18 @@ device_param_cb(mmio, &fw_cfg_cmdline_param_ops, NULL, S_IRUSR); static int __init fw_cfg_sysfs_init(void) { + int ret; + /* create /sys/firmware/qemu_fw_cfg/ top level directory */ fw_cfg_top_ko = kobject_create_and_add("qemu_fw_cfg", firmware_kobj); if (!fw_cfg_top_ko) return -ENOMEM; - return platform_driver_register(&fw_cfg_sysfs_driver); + ret = platform_driver_register(&fw_cfg_sysfs_driver); + if (ret) + fw_cfg_kobj_cleanup(fw_cfg_top_ko); + + return ret; } static void __exit fw_cfg_sysfs_exit(void) diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index d0d3065a7557..e66084c295fb 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -18,6 +18,7 @@ #include <linux/i2c.h> #include <linux/platform_data/pca953x.h> #include <linux/slab.h> +#include <asm/unaligned.h> #include <linux/of_platform.h> #include <linux/acpi.h> @@ -159,7 +160,7 @@ static int pca953x_write_regs(struct pca953x_chip *chip, int reg, u8 *val) switch (chip->chip_type) { case PCA953X_TYPE: ret = i2c_smbus_write_word_data(chip->client, - reg << 1, (u16) *val); + reg << 1, cpu_to_le16(get_unaligned((u16 *)val))); break; case PCA957X_TYPE: ret = i2c_smbus_write_byte_data(chip->client, reg << 1, diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index b2b7b78664b8..76ac906b4d78 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -283,8 +283,8 @@ static int pxa_gpio_direction_output(struct gpio_chip *chip, writel_relaxed(mask, base + (value ? GPSR_OFFSET : GPCR_OFFSET)); ret = pinctrl_gpio_direction_output(chip->base + offset); - if (!ret) - return 0; + if (ret) + return ret; spin_lock_irqsave(&gpio_lock, flags); diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index d9ab0cd1d205..4d9a315cfd43 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -196,44 +196,6 @@ static int gpio_rcar_irq_set_wake(struct irq_data *d, unsigned int on) return 0; } -static void gpio_rcar_irq_bus_lock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_get_sync(&p->pdev->dev); -} - -static void gpio_rcar_irq_bus_sync_unlock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_put(&p->pdev->dev); -} - - -static int gpio_rcar_irq_request_resources(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - int error; - - error = pm_runtime_get_sync(&p->pdev->dev); - if (error < 0) - return error; - - return 0; -} - -static void gpio_rcar_irq_release_resources(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct gpio_rcar_priv *p = gpiochip_get_data(gc); - - pm_runtime_put(&p->pdev->dev); -} - static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id) { struct gpio_rcar_priv *p = dev_id; @@ -280,32 +242,18 @@ static void gpio_rcar_config_general_input_output_mode(struct gpio_chip *chip, static int gpio_rcar_request(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpiochip_get_data(chip); - int error; - - error = pm_runtime_get_sync(&p->pdev->dev); - if (error < 0) - return error; - - error = pinctrl_request_gpio(chip->base + offset); - if (error) - pm_runtime_put(&p->pdev->dev); - - return error; + return pinctrl_request_gpio(chip->base + offset); } static void gpio_rcar_free(struct gpio_chip *chip, unsigned offset) { - struct gpio_rcar_priv *p = gpiochip_get_data(chip); - pinctrl_free_gpio(chip->base + offset); - /* Set the GPIO as an input to ensure that the next GPIO request won't + /* + * Set the GPIO as an input to ensure that the next GPIO request won't * drive the GPIO pin as an output. */ gpio_rcar_config_general_input_output_mode(chip, offset, false); - - pm_runtime_put(&p->pdev->dev); } static int gpio_rcar_direction_input(struct gpio_chip *chip, unsigned offset) @@ -452,6 +400,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) } pm_runtime_enable(dev); + pm_runtime_get_sync(dev); io = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); @@ -488,10 +437,6 @@ static int gpio_rcar_probe(struct platform_device *pdev) irq_chip->irq_unmask = gpio_rcar_irq_enable; irq_chip->irq_set_type = gpio_rcar_irq_set_type; irq_chip->irq_set_wake = gpio_rcar_irq_set_wake; - irq_chip->irq_bus_lock = gpio_rcar_irq_bus_lock; - irq_chip->irq_bus_sync_unlock = gpio_rcar_irq_bus_sync_unlock; - irq_chip->irq_request_resources = gpio_rcar_irq_request_resources; - irq_chip->irq_release_resources = gpio_rcar_irq_release_resources; irq_chip->flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_MASK_ON_SUSPEND; ret = gpiochip_add_data(gpio_chip, p); @@ -522,6 +467,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) err1: gpiochip_remove(gpio_chip); err0: + pm_runtime_put(dev); pm_runtime_disable(dev); return ret; } @@ -532,6 +478,7 @@ static int gpio_rcar_remove(struct platform_device *pdev) gpiochip_remove(&p->gpio_chip); + pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); return 0; } diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 682070d20f00..2dc52585e3f2 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -977,7 +977,7 @@ bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id) lookup = kmalloc(sizeof(*lookup), GFP_KERNEL); if (lookup) { lookup->adev = adev; - lookup->con_id = con_id; + lookup->con_id = kstrdup(con_id, GFP_KERNEL); list_add_tail(&lookup->node, &acpi_crs_lookup_list); } } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 72065532c1c7..b747c76fd2b1 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -68,6 +68,7 @@ LIST_HEAD(gpio_devices); static void gpiochip_free_hogs(struct gpio_chip *chip); static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip); +static bool gpiolib_initialized; static inline void desc_set_label(struct gpio_desc *d, const char *label) { @@ -440,9 +441,63 @@ static void gpiodevice_release(struct device *dev) cdev_del(&gdev->chrdev); list_del(&gdev->list); ida_simple_remove(&gpio_ida, gdev->id); + kfree(gdev->label); + kfree(gdev->descs); kfree(gdev); } +static int gpiochip_setup_dev(struct gpio_device *gdev) +{ + int status; + + cdev_init(&gdev->chrdev, &gpio_fileops); + gdev->chrdev.owner = THIS_MODULE; + gdev->chrdev.kobj.parent = &gdev->dev.kobj; + gdev->dev.devt = MKDEV(MAJOR(gpio_devt), gdev->id); + status = cdev_add(&gdev->chrdev, gdev->dev.devt, 1); + if (status < 0) + chip_warn(gdev->chip, "failed to add char device %d:%d\n", + MAJOR(gpio_devt), gdev->id); + else + chip_dbg(gdev->chip, "added GPIO chardev (%d:%d)\n", + MAJOR(gpio_devt), gdev->id); + status = device_add(&gdev->dev); + if (status) + goto err_remove_chardev; + + status = gpiochip_sysfs_register(gdev); + if (status) + goto err_remove_device; + + /* From this point, the .release() function cleans up gpio_device */ + gdev->dev.release = gpiodevice_release; + get_device(&gdev->dev); + pr_debug("%s: registered GPIOs %d to %d on device: %s (%s)\n", + __func__, gdev->base, gdev->base + gdev->ngpio - 1, + dev_name(&gdev->dev), gdev->chip->label ? : "generic"); + + return 0; + +err_remove_device: + device_del(&gdev->dev); +err_remove_chardev: + cdev_del(&gdev->chrdev); + return status; +} + +static void gpiochip_setup_devs(void) +{ + struct gpio_device *gdev; + int err; + + list_for_each_entry(gdev, &gpio_devices, list) { + err = gpiochip_setup_dev(gdev); + if (err) + pr_err("%s: Failed to initialize gpio device (%d)\n", + dev_name(&gdev->dev), err); + } +} + /** * gpiochip_add_data() - register a gpio_chip * @chip: the chip to register, with chip->base initialized @@ -457,6 +512,9 @@ static void gpiodevice_release(struct device *dev) * the gpio framework's arch_initcall(). Otherwise sysfs initialization * for GPIOs will fail rudely. * + * gpiochip_add_data() must only be called after gpiolib initialization, + * ie after core_initcall(). + * * If chip->base is negative, this requests dynamic assignment of * a range of valid GPIOs. */ @@ -504,8 +562,7 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) else gdev->owner = THIS_MODULE; - gdev->descs = devm_kcalloc(&gdev->dev, chip->ngpio, - sizeof(gdev->descs[0]), GFP_KERNEL); + gdev->descs = kcalloc(chip->ngpio, sizeof(gdev->descs[0]), GFP_KERNEL); if (!gdev->descs) { status = -ENOMEM; goto err_free_gdev; @@ -514,16 +571,16 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) if (chip->ngpio == 0) { chip_err(chip, "tried to insert a GPIO chip with zero lines\n"); status = -EINVAL; - goto err_free_gdev; + goto err_free_descs; } if (chip->label) - gdev->label = devm_kstrdup(&gdev->dev, chip->label, GFP_KERNEL); + gdev->label = kstrdup(chip->label, GFP_KERNEL); else - gdev->label = devm_kstrdup(&gdev->dev, "unknown", GFP_KERNEL); + gdev->label = kstrdup("unknown", GFP_KERNEL); if (!gdev->label) { status = -ENOMEM; - goto err_free_gdev; + goto err_free_descs; } gdev->ngpio = chip->ngpio; @@ -543,7 +600,7 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) if (base < 0) { status = base; spin_unlock_irqrestore(&gpio_lock, flags); - goto err_free_gdev; + goto err_free_label; } /* * TODO: it should not be necessary to reflect the assigned @@ -558,7 +615,7 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) status = gpiodev_add_to_list(gdev); if (status) { spin_unlock_irqrestore(&gpio_lock, flags); - goto err_free_gdev; + goto err_free_label; } for (i = 0; i < chip->ngpio; i++) { @@ -596,39 +653,16 @@ int gpiochip_add_data(struct gpio_chip *chip, void *data) * we get a device node entry in sysfs under * /sys/bus/gpio/devices/gpiochipN/dev that can be used for * coldplug of device nodes and other udev business. + * We can do this only if gpiolib has been initialized. + * Otherwise, defer until later. */ - cdev_init(&gdev->chrdev, &gpio_fileops); - gdev->chrdev.owner = THIS_MODULE; - gdev->chrdev.kobj.parent = &gdev->dev.kobj; - gdev->dev.devt = MKDEV(MAJOR(gpio_devt), gdev->id); - status = cdev_add(&gdev->chrdev, gdev->dev.devt, 1); - if (status < 0) - chip_warn(chip, "failed to add char device %d:%d\n", - MAJOR(gpio_devt), gdev->id); - else - chip_dbg(chip, "added GPIO chardev (%d:%d)\n", - MAJOR(gpio_devt), gdev->id); - status = device_add(&gdev->dev); - if (status) - goto err_remove_chardev; - - status = gpiochip_sysfs_register(gdev); - if (status) - goto err_remove_device; - - /* From this point, the .release() function cleans up gpio_device */ - gdev->dev.release = gpiodevice_release; - get_device(&gdev->dev); - pr_debug("%s: registered GPIOs %d to %d on device: %s (%s)\n", - __func__, gdev->base, gdev->base + gdev->ngpio - 1, - dev_name(&gdev->dev), chip->label ? : "generic"); - + if (gpiolib_initialized) { + status = gpiochip_setup_dev(gdev); + if (status) + goto err_remove_chip; + } return 0; -err_remove_device: - device_del(&gdev->dev); -err_remove_chardev: - cdev_del(&gdev->chrdev); err_remove_chip: acpi_gpiochip_remove(chip); gpiochip_free_hogs(chip); @@ -637,6 +671,10 @@ err_remove_from_list: spin_lock_irqsave(&gpio_lock, flags); list_del(&gdev->list); spin_unlock_irqrestore(&gpio_lock, flags); +err_free_label: + kfree(gdev->label); +err_free_descs: + kfree(gdev->descs); err_free_gdev: ida_simple_remove(&gpio_ida, gdev->id); /* failures here can mean systems won't boot... */ @@ -2231,9 +2269,11 @@ static struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id, return desc; } -static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, +static struct gpio_desc *acpi_find_gpio(struct device *dev, + const char *con_id, unsigned int idx, - enum gpio_lookup_flags *flags) + enum gpiod_flags flags, + enum gpio_lookup_flags *lookupflags) { struct acpi_device *adev = ACPI_COMPANION(dev); struct acpi_gpio_info info; @@ -2264,10 +2304,16 @@ static struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, desc = acpi_get_gpiod_by_index(adev, NULL, idx, &info); if (IS_ERR(desc)) return desc; + + if ((flags == GPIOD_OUT_LOW || flags == GPIOD_OUT_HIGH) && + info.gpioint) { + dev_dbg(dev, "refusing GpioInt() entry when doing GPIOD_OUT_* lookup\n"); + return ERR_PTR(-ENOENT); + } } if (info.polarity == GPIO_ACTIVE_LOW) - *flags |= GPIO_ACTIVE_LOW; + *lookupflags |= GPIO_ACTIVE_LOW; return desc; } @@ -2530,7 +2576,7 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev, desc = of_find_gpio(dev, con_id, idx, &lookupflags); } else if (ACPI_COMPANION(dev)) { dev_dbg(dev, "using ACPI for GPIO lookup\n"); - desc = acpi_find_gpio(dev, con_id, idx, &lookupflags); + desc = acpi_find_gpio(dev, con_id, idx, flags, &lookupflags); } } @@ -2829,6 +2875,9 @@ static int __init gpiolib_dev_init(void) if (ret < 0) { pr_err("gpiolib: failed to allocate char dev region\n"); bus_unregister(&gpio_bus_type); + } else { + gpiolib_initialized = true; + gpiochip_setup_devs(); } return ret; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index c4a21c6428f5..1bcbade479dc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1591,6 +1591,8 @@ struct amdgpu_uvd { struct amdgpu_bo *vcpu_bo; void *cpu_addr; uint64_t gpu_addr; + unsigned fw_version; + void *saved_bo; atomic_t handles[AMDGPU_MAX_UVD_HANDLES]; struct drm_file *filp[AMDGPU_MAX_UVD_HANDLES]; struct delayed_work idle_work; @@ -2033,6 +2035,7 @@ struct amdgpu_device { /* tracking pinned memory */ u64 vram_pin_size; + u64 invisible_pin_size; u64 gart_pin_size; /* amdkfd interface */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index d6b0bff510aa..b7b583c42ea8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -425,6 +425,10 @@ static int acp_resume(void *handle) struct acp_pm_domain *apd; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + /* return early if no ACP */ + if (!adev->acp.acp_genpd) + return 0; + /* SMU block will power on ACP irrespective of ACP runtime status. * Power off explicitly based on genpd ACP runtime status so that ACP * hw and ACP-genpd status are in sync. diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c index 0020a0ea43ff..35a1248aaa77 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c @@ -63,10 +63,6 @@ bool amdgpu_has_atpx(void) { return amdgpu_atpx_priv.atpx_detected; } -bool amdgpu_has_atpx_dgpu_power_cntl(void) { - return amdgpu_atpx_priv.atpx.functions.power_cntl; -} - /** * amdgpu_atpx_call - call an ATPX method * @@ -146,6 +142,13 @@ static void amdgpu_atpx_parse_functions(struct amdgpu_atpx_functions *f, u32 mas */ static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx) { + /* make sure required functions are enabled */ + /* dGPU power control is required */ + if (atpx->functions.power_cntl == false) { + printk("ATPX dGPU power cntl not present, forcing\n"); + atpx->functions.power_cntl = true; + } + if (atpx->functions.px_params) { union acpi_object *info; struct atpx_px_params output; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 7a4b101e10c6..6043dc7c3a94 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -816,10 +816,13 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, struct drm_device *ddev = adev->ddev; struct drm_crtc *crtc; uint32_t line_time_us, vblank_lines; + struct cgs_mode_info *mode_info; if (info == NULL) return -EINVAL; + mode_info = info->mode_info; + if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) { list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) { @@ -828,7 +831,7 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, info->active_display_mask |= (1 << amdgpu_crtc->crtc_id); info->display_count++; } - if (info->mode_info != NULL && + if (mode_info != NULL && crtc->enabled && amdgpu_crtc->enabled && amdgpu_crtc->hw_mode.clock) { line_time_us = (amdgpu_crtc->hw_mode.crtc_htotal * 1000) / @@ -836,10 +839,10 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, vblank_lines = amdgpu_crtc->hw_mode.crtc_vblank_end - amdgpu_crtc->hw_mode.crtc_vdisplay + (amdgpu_crtc->v_border * 2); - info->mode_info->vblank_time_us = vblank_lines * line_time_us; - info->mode_info->refresh_rate = drm_mode_vrefresh(&amdgpu_crtc->hw_mode); - info->mode_info->ref_clock = adev->clock.spll.reference_freq; - info->mode_info++; + mode_info->vblank_time_us = vblank_lines * line_time_us; + mode_info->refresh_rate = drm_mode_vrefresh(&amdgpu_crtc->hw_mode); + mode_info->ref_clock = adev->clock.spll.reference_freq; + mode_info = NULL; } } } @@ -847,6 +850,16 @@ static int amdgpu_cgs_get_active_displays_info(void *cgs_device, return 0; } + +static int amdgpu_cgs_notify_dpm_enabled(void *cgs_device, bool enabled) +{ + CGS_FUNC_ADEV; + + adev->pm.dpm_enabled = enabled; + + return 0; +} + /** \brief evaluate acpi namespace object, handle or pathname must be valid * \param cgs_device * \param info input/output arguments for the control method @@ -1097,6 +1110,7 @@ static const struct cgs_ops amdgpu_cgs_ops = { amdgpu_cgs_set_powergating_state, amdgpu_cgs_set_clockgating_state, amdgpu_cgs_get_active_displays_info, + amdgpu_cgs_notify_dpm_enabled, amdgpu_cgs_call_acpi_method, amdgpu_cgs_query_system_info, }; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 612117478b57..2139da773da6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -62,12 +62,6 @@ static const char *amdgpu_asic_name[] = { "LAST", }; -#if defined(CONFIG_VGA_SWITCHEROO) -bool amdgpu_has_atpx_dgpu_power_cntl(void); -#else -static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; } -#endif - bool amdgpu_device_is_px(struct drm_device *dev) { struct amdgpu_device *adev = dev->dev_private; @@ -1485,7 +1479,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (amdgpu_runtime_pm == 1) runtime = true; - if (amdgpu_device_is_px(ddev) && amdgpu_has_atpx_dgpu_power_cntl()) + if (amdgpu_device_is_px(ddev)) runtime = true; vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime); if (runtime) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index f0ed974bd4e0..3fb405b3a614 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -57,7 +57,7 @@ static bool amdgpu_flip_handle_fence(struct amdgpu_flip_work *work, if (!fence_add_callback(fence, &work->cb, amdgpu_flip_callback)) return true; - fence_put(*f); + fence_put(fence); return false; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 4303b447efe8..d81f1f4883a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -121,7 +121,7 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **f) { struct amdgpu_device *adev = ring->adev; struct amdgpu_fence *fence; - struct fence **ptr; + struct fence *old, **ptr; uint32_t seq; fence = kmem_cache_alloc(amdgpu_fence_slab, GFP_KERNEL); @@ -141,7 +141,11 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct fence **f) /* This function can't be called concurrently anyway, otherwise * emitting the fence would mess up the hardware ring buffer. */ - BUG_ON(rcu_dereference_protected(*ptr, 1)); + old = rcu_dereference_protected(*ptr, 1); + if (old && !fence_is_signaled(old)) { + DRM_INFO("rcu slot is busy\n"); + fence_wait(old, false); + } rcu_assign_pointer(*ptr, fence_get(&fence->base)); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index f594cfaa97e5..762cfdb85147 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -219,6 +219,8 @@ int amdgpu_irq_init(struct amdgpu_device *adev) if (r) { return r; } + adev->ddev->vblank_disable_allowed = true; + /* enable msi */ adev->irq.msi_enabled = false; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 7805a8706af7..b04337de65d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -303,7 +303,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file fw_info.feature = adev->vce.fb_version; break; case AMDGPU_INFO_FW_UVD: - fw_info.ver = 0; + fw_info.ver = adev->uvd.fw_version; fw_info.feature = 0; break; case AMDGPU_INFO_FW_GMC: @@ -382,8 +382,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file struct drm_amdgpu_info_vram_gtt vram_gtt; vram_gtt.vram_size = adev->mc.real_vram_size; + vram_gtt.vram_size -= adev->vram_pin_size; vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size; - vram_gtt.vram_cpu_accessible_size -= adev->vram_pin_size; + vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size); vram_gtt.gtt_size = adev->mc.gtt_size; vram_gtt.gtt_size -= adev->gart_pin_size; return copy_to_user(out, &vram_gtt, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h index 8d432e6901af..81bd964d3dfc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h @@ -53,7 +53,7 @@ struct amdgpu_hpd; #define AMDGPU_MAX_HPD_PINS 6 #define AMDGPU_MAX_CRTCS 6 -#define AMDGPU_MAX_AFMT_BLOCKS 7 +#define AMDGPU_MAX_AFMT_BLOCKS 9 enum amdgpu_rmx_type { RMX_OFF, @@ -309,8 +309,8 @@ struct amdgpu_mode_info { struct atom_context *atom_context; struct card_info *atom_card_info; bool mode_config_initialized; - struct amdgpu_crtc *crtcs[6]; - struct amdgpu_afmt *afmt[7]; + struct amdgpu_crtc *crtcs[AMDGPU_MAX_CRTCS]; + struct amdgpu_afmt *afmt[AMDGPU_MAX_AFMT_BLOCKS]; /* DVI-I properties */ struct drm_property *coherent_mode_property; /* DAC enable load detect */ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 56d1458393cc..7ecea83ce453 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -424,9 +424,11 @@ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain, bo->pin_count = 1; if (gpu_addr != NULL) *gpu_addr = amdgpu_bo_gpu_offset(bo); - if (domain == AMDGPU_GEM_DOMAIN_VRAM) + if (domain == AMDGPU_GEM_DOMAIN_VRAM) { bo->adev->vram_pin_size += amdgpu_bo_size(bo); - else + if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) + bo->adev->invisible_pin_size += amdgpu_bo_size(bo); + } else bo->adev->gart_pin_size += amdgpu_bo_size(bo); } else { dev_err(bo->adev->dev, "%p pin failed\n", bo); @@ -456,9 +458,11 @@ int amdgpu_bo_unpin(struct amdgpu_bo *bo) } r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false); if (likely(r == 0)) { - if (bo->tbo.mem.mem_type == TTM_PL_VRAM) + if (bo->tbo.mem.mem_type == TTM_PL_VRAM) { bo->adev->vram_pin_size -= amdgpu_bo_size(bo); - else + if (bo->flags & AMDGPU_GEM_CREATE_NO_CPU_ACCESS) + bo->adev->invisible_pin_size -= amdgpu_bo_size(bo); + } else bo->adev->gart_pin_size -= amdgpu_bo_size(bo); } else { dev_err(bo->adev->dev, "%p validate failed for unpin\n", bo); @@ -476,6 +480,17 @@ int amdgpu_bo_evict_vram(struct amdgpu_device *adev) return ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_VRAM); } +static const char *amdgpu_vram_names[] = { + "UNKNOWN", + "GDDR1", + "DDR2", + "GDDR3", + "GDDR4", + "GDDR5", + "HBM", + "DDR3" +}; + int amdgpu_bo_init(struct amdgpu_device *adev) { /* Add an MTRR for the VRAM */ @@ -484,8 +499,8 @@ int amdgpu_bo_init(struct amdgpu_device *adev) DRM_INFO("Detected VRAM RAM=%lluM, BAR=%lluM\n", adev->mc.mc_vram_size >> 20, (unsigned long long)adev->mc.aper_size >> 20); - DRM_INFO("RAM width %dbits DDR\n", - adev->mc.vram_width); + DRM_INFO("RAM width %dbits %s\n", + adev->mc.vram_width, amdgpu_vram_names[adev->mc.vram_type]); return amdgpu_ttm_init(adev); } @@ -526,6 +541,7 @@ int amdgpu_bo_set_metadata (struct amdgpu_bo *bo, void *metadata, if (!metadata_size) { if (bo->metadata_size) { kfree(bo->metadata); + bo->metadata = NULL; bo->metadata_size = 0; } return 0; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c index 3cb6d6c413c7..e9c6ae6ed2f7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c @@ -143,7 +143,7 @@ static int amdgpu_pp_late_init(void *handle) adev->powerplay.pp_handle); #ifdef CONFIG_DRM_AMD_POWERPLAY - if (adev->pp_enabled) { + if (adev->pp_enabled && adev->pm.dpm_enabled) { amdgpu_pm_sysfs_init(adev); amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_COMPLETE_INIT, NULL, NULL); } @@ -161,12 +161,8 @@ static int amdgpu_pp_sw_init(void *handle) adev->powerplay.pp_handle); #ifdef CONFIG_DRM_AMD_POWERPLAY - if (adev->pp_enabled) { - if (amdgpu_dpm == 0) - adev->pm.dpm_enabled = false; - else - adev->pm.dpm_enabled = true; - } + if (adev->pp_enabled) + adev->pm.dpm_enabled = true; #endif return ret; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index f1a55d1888cb..11af4492b4be 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -223,6 +223,8 @@ static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp) { struct amdgpu_bo *rbo = container_of(bo, struct amdgpu_bo, tbo); + if (amdgpu_ttm_tt_get_usermm(bo->ttm)) + return -EPERM; return drm_vma_node_verify_access(&rbo->gem_base.vma_node, filp); } @@ -622,7 +624,7 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm) set_page_dirty(page); mark_page_accessed(page); - page_cache_release(page); + put_page(page); } sg_free_table(ttm->sg); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c index c1a581044417..871018c634e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c @@ -158,6 +158,9 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev) DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n", version_major, version_minor, family_id); + adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) | + (family_id << 8)); + bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8) + AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE; r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true, @@ -241,32 +244,30 @@ int amdgpu_uvd_sw_fini(struct amdgpu_device *adev) int amdgpu_uvd_suspend(struct amdgpu_device *adev) { - struct amdgpu_ring *ring = &adev->uvd.ring; - int i, r; + unsigned size; + void *ptr; + int i; if (adev->uvd.vcpu_bo == NULL) return 0; - for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) { - uint32_t handle = atomic_read(&adev->uvd.handles[i]); - if (handle != 0) { - struct fence *fence; + for (i = 0; i < AMDGPU_MAX_UVD_HANDLES; ++i) + if (atomic_read(&adev->uvd.handles[i])) + break; - amdgpu_uvd_note_usage(adev); + if (i == AMDGPU_MAX_UVD_HANDLES) + return 0; - r = amdgpu_uvd_get_destroy_msg(ring, handle, false, &fence); - if (r) { - DRM_ERROR("Error destroying UVD (%d)!\n", r); - continue; - } + cancel_delayed_work_sync(&adev->uvd.idle_work); - fence_wait(fence, false); - fence_put(fence); + size = amdgpu_bo_size(adev->uvd.vcpu_bo); + ptr = adev->uvd.cpu_addr; - adev->uvd.filp[i] = NULL; - atomic_set(&adev->uvd.handles[i], 0); - } - } + adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL); + if (!adev->uvd.saved_bo) + return -ENOMEM; + + memcpy(adev->uvd.saved_bo, ptr, size); return 0; } @@ -275,23 +276,29 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev) { unsigned size; void *ptr; - const struct common_firmware_header *hdr; - unsigned offset; if (adev->uvd.vcpu_bo == NULL) return -EINVAL; - hdr = (const struct common_firmware_header *)adev->uvd.fw->data; - offset = le32_to_cpu(hdr->ucode_array_offset_bytes); - memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset, - (adev->uvd.fw->size) - offset); - size = amdgpu_bo_size(adev->uvd.vcpu_bo); - size -= le32_to_cpu(hdr->ucode_size_bytes); ptr = adev->uvd.cpu_addr; - ptr += le32_to_cpu(hdr->ucode_size_bytes); - memset(ptr, 0, size); + if (adev->uvd.saved_bo != NULL) { + memcpy(ptr, adev->uvd.saved_bo, size); + kfree(adev->uvd.saved_bo); + adev->uvd.saved_bo = NULL; + } else { + const struct common_firmware_header *hdr; + unsigned offset; + + hdr = (const struct common_firmware_header *)adev->uvd.fw->data; + offset = le32_to_cpu(hdr->ucode_array_offset_bytes); + memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset, + (adev->uvd.fw->size) - offset); + size -= le32_to_cpu(hdr->ucode_size_bytes); + ptr += le32_to_cpu(hdr->ucode_size_bytes); + memset(ptr, 0, size); + } return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index 4bec0c108cea..481a64fa9b47 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -234,6 +234,7 @@ int amdgpu_vce_suspend(struct amdgpu_device *adev) if (i == AMDGPU_MAX_VCE_HANDLES) return 0; + cancel_delayed_work_sync(&adev->vce.idle_work); /* TODO: suspending running encoding sessions isn't supported */ return -EINVAL; } diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index 1e0bba29e167..1cd6de575305 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -298,6 +298,10 @@ bool amdgpu_atombios_encoder_mode_fixup(struct drm_encoder *encoder, && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2))) adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2; + /* vertical FP must be at least 1 */ + if (mode->crtc_vsync_start == mode->crtc_vdisplay) + adjusted_mode->crtc_vsync_start++; + /* get the native mode for scaling */ if (amdgpu_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) amdgpu_panel_mode_fixup(encoder, adjusted_mode); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 82ce7d943884..a4a2e6cc61bb 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -903,14 +903,6 @@ static int gmc_v7_0_early_init(void *handle) gmc_v7_0_set_gart_funcs(adev); gmc_v7_0_set_irq_funcs(adev); - if (adev->flags & AMD_IS_APU) { - adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; - } else { - u32 tmp = RREG32(mmMC_SEQ_MISC0); - tmp &= MC_SEQ_MISC0__MT__MASK; - adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp); - } - return 0; } @@ -918,7 +910,10 @@ static int gmc_v7_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) + return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + else + return 0; } static int gmc_v7_0_sw_init(void *handle) @@ -927,6 +922,14 @@ static int gmc_v7_0_sw_init(void *handle) int dma_bits; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (adev->flags & AMD_IS_APU) { + adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; + } else { + u32 tmp = RREG32(mmMC_SEQ_MISC0); + tmp &= MC_SEQ_MISC0__MT__MASK; + adev->mc.vram_type = gmc_v7_0_convert_vram_type(tmp); + } + r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 29bd7b57dc91..7a9db2c72c89 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -863,14 +863,6 @@ static int gmc_v8_0_early_init(void *handle) gmc_v8_0_set_gart_funcs(adev); gmc_v8_0_set_irq_funcs(adev); - if (adev->flags & AMD_IS_APU) { - adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; - } else { - u32 tmp = RREG32(mmMC_SEQ_MISC0); - tmp &= MC_SEQ_MISC0__MT__MASK; - adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp); - } - return 0; } @@ -878,15 +870,33 @@ static int gmc_v8_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS) + return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0); + else + return 0; } +#define mmMC_SEQ_MISC0_FIJI 0xA71 + static int gmc_v8_0_sw_init(void *handle) { int r; int dma_bits; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (adev->flags & AMD_IS_APU) { + adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; + } else { + u32 tmp; + + if (adev->asic_type == CHIP_FIJI) + tmp = RREG32(mmMC_SEQ_MISC0_FIJI); + else + tmp = RREG32(mmMC_SEQ_MISC0); + tmp &= MC_SEQ_MISC0__MT__MASK; + adev->mc.vram_type = gmc_v8_0_convert_vram_type(tmp); + } + r = amdgpu_irq_add_id(adev, 146, &adev->mc.vm_fault); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c index b6f7d7bff929..0f14199cf716 100644 --- a/drivers/gpu/drm/amd/amdgpu/tonga_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/tonga_ih.c @@ -307,7 +307,7 @@ static int tonga_ih_sw_fini(void *handle) amdgpu_irq_fini(adev); amdgpu_ih_ring_fini(adev); - amdgpu_irq_add_domain(adev); + amdgpu_irq_remove_domain(adev); return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index c606ccb38d8b..cb463753115b 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -224,11 +224,11 @@ static int uvd_v4_2_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - r = amdgpu_uvd_suspend(adev); + r = uvd_v4_2_hw_fini(adev); if (r) return r; - r = uvd_v4_2_hw_fini(adev); + r = amdgpu_uvd_suspend(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c index e3c852d9d79a..16476d80f475 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c @@ -220,11 +220,11 @@ static int uvd_v5_0_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - r = amdgpu_uvd_suspend(adev); + r = uvd_v5_0_hw_fini(adev); if (r) return r; - r = uvd_v5_0_hw_fini(adev); + r = amdgpu_uvd_suspend(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 3375e614ac67..d49379145ef2 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -214,15 +214,16 @@ static int uvd_v6_0_suspend(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; + r = uvd_v6_0_hw_fini(adev); + if (r) + return r; + /* Skip this for APU for now */ if (!(adev->flags & AMD_IS_APU)) { r = amdgpu_uvd_suspend(adev); if (r) return r; } - r = uvd_v6_0_hw_fini(adev); - if (r) - return r; return r; } diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index aec38fc3834f..ab84d4947247 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -589,6 +589,8 @@ typedef int(*cgs_get_active_displays_info)( void *cgs_device, struct cgs_display_info *info); +typedef int (*cgs_notify_dpm_enabled)(void *cgs_device, bool enabled); + typedef int (*cgs_call_acpi_method)(void *cgs_device, uint32_t acpi_method, uint32_t acpi_function, @@ -644,6 +646,8 @@ struct cgs_ops { cgs_set_clockgating_state set_clockgating_state; /* display manager */ cgs_get_active_displays_info get_active_displays_info; + /* notify dpm enabled */ + cgs_notify_dpm_enabled notify_dpm_enabled; /* ACPI */ cgs_call_acpi_method call_acpi_method; /* get system info */ @@ -734,8 +738,12 @@ struct cgs_device CGS_CALL(set_powergating_state, dev, block_type, state) #define cgs_set_clockgating_state(dev, block_type, state) \ CGS_CALL(set_clockgating_state, dev, block_type, state) +#define cgs_notify_dpm_enabled(dev, enabled) \ + CGS_CALL(notify_dpm_enabled, dev, enabled) + #define cgs_get_active_displays_info(dev, info) \ CGS_CALL(get_active_displays_info, dev, info) + #define cgs_call_acpi_method(dev, acpi_method, acpi_function, pintput, poutput, output_count, input_size, output_size) \ CGS_CALL(call_acpi_method, dev, acpi_method, acpi_function, pintput, poutput, output_count, input_size, output_size) #define cgs_query_system_info(dev, sys_info) \ diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c index 6b52c78cb404..56856a2864d1 100644 --- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c +++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c @@ -137,14 +137,14 @@ static const pem_event_action *resume_event[] = { reset_display_configCounter_tasks, update_dal_configuration_tasks, vari_bright_resume_tasks, - block_adjust_power_state_tasks, setup_asic_tasks, enable_stutter_mode_tasks, /*must do this in boot state and before SMC is started */ enable_dynamic_state_management_tasks, enable_clock_power_gatings_tasks, enable_disable_bapm_tasks, initialize_thermal_controller_tasks, - reset_boot_state_tasks, + get_2d_performance_state_tasks, + set_performance_state_tasks, adjust_power_state_tasks, enable_disable_fps_tasks, notify_hw_power_source_tasks, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c index 51dedf84623c..89f31bc5b68b 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/fiji_hwmgr.c @@ -2389,6 +2389,7 @@ static int fiji_populate_smc_vce_level(struct pp_hwmgr *hwmgr, for(count = 0; count < table->VceLevelCount; count++) { table->VceLevel[count].Frequency = mm_table->entries[count].eclk; + table->VceLevel[count].MinVoltage = 0; table->VceLevel[count].MinVoltage |= (mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT; table->VceLevel[count].MinVoltage |= @@ -2465,6 +2466,7 @@ static int fiji_populate_smc_samu_level(struct pp_hwmgr *hwmgr, for (count = 0; count < table->SamuLevelCount; count++) { /* not sure whether we need evclk or not */ + table->SamuLevel[count].MinVoltage = 0; table->SamuLevel[count].Frequency = mm_table->entries[count].samclock; table->SamuLevel[count].MinVoltage |= (mm_table->entries[count].vddc * VOLTAGE_SCALE) << VDDC_SHIFT; @@ -2562,6 +2564,7 @@ static int fiji_populate_smc_uvd_level(struct pp_hwmgr *hwmgr, table->UvdBootLevel = 0; for (count = 0; count < table->UvdLevelCount; count++) { + table->UvdLevel[count].MinVoltage = 0; table->UvdLevel[count].VclkFrequency = mm_table->entries[count].vclk; table->UvdLevel[count].DclkFrequency = mm_table->entries[count].dclk; table->UvdLevel[count].MinVoltage |= (mm_table->entries[count].vddc * @@ -2900,6 +2903,8 @@ static int fiji_init_smc_table(struct pp_hwmgr *hwmgr) if(FIJI_VOLTAGE_CONTROL_NONE != data->voltage_control) fiji_populate_smc_voltage_tables(hwmgr, table); + table->SystemFlags = 0; + if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_AutomaticDCTransition)) table->SystemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC; @@ -2997,6 +3002,7 @@ static int fiji_init_smc_table(struct pp_hwmgr *hwmgr) table->MemoryThermThrottleEnable = 1; table->PCIeBootLinkLevel = 0; /* 0:Gen1 1:Gen2 2:Gen3*/ table->PCIeGenInterval = 1; + table->VRConfig = 0; result = fiji_populate_vr_config(hwmgr, table); PP_ASSERT_WITH_CODE(0 == result, @@ -5195,6 +5201,67 @@ static int fiji_print_clock_levels(struct pp_hwmgr *hwmgr, return size; } +static inline bool fiji_are_power_levels_equal(const struct fiji_performance_level *pl1, + const struct fiji_performance_level *pl2) +{ + return ((pl1->memory_clock == pl2->memory_clock) && + (pl1->engine_clock == pl2->engine_clock) && + (pl1->pcie_gen == pl2->pcie_gen) && + (pl1->pcie_lane == pl2->pcie_lane)); +} + +int fiji_check_states_equal(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *pstate1, const struct pp_hw_power_state *pstate2, bool *equal) +{ + const struct fiji_power_state *psa = cast_const_phw_fiji_power_state(pstate1); + const struct fiji_power_state *psb = cast_const_phw_fiji_power_state(pstate2); + int i; + + if (equal == NULL || psa == NULL || psb == NULL) + return -EINVAL; + + /* If the two states don't even have the same number of performance levels they cannot be the same state. */ + if (psa->performance_level_count != psb->performance_level_count) { + *equal = false; + return 0; + } + + for (i = 0; i < psa->performance_level_count; i++) { + if (!fiji_are_power_levels_equal(&(psa->performance_levels[i]), &(psb->performance_levels[i]))) { + /* If we have found even one performance level pair that is different the states are different. */ + *equal = false; + return 0; + } + } + + /* If all performance levels are the same try to use the UVD clocks to break the tie.*/ + *equal = ((psa->uvd_clks.vclk == psb->uvd_clks.vclk) && (psa->uvd_clks.dclk == psb->uvd_clks.dclk)); + *equal &= ((psa->vce_clks.evclk == psb->vce_clks.evclk) && (psa->vce_clks.ecclk == psb->vce_clks.ecclk)); + *equal &= (psa->sclk_threshold == psb->sclk_threshold); + *equal &= (psa->acp_clk == psb->acp_clk); + + return 0; +} + +bool fiji_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hwmgr) +{ + struct fiji_hwmgr *data = (struct fiji_hwmgr *)(hwmgr->backend); + bool is_update_required = false; + struct cgs_display_info info = {0,0,NULL}; + + cgs_get_active_displays_info(hwmgr->device, &info); + + if (data->display_timing.num_existing_displays != info.display_count) + is_update_required = true; +/* TO DO NEED TO GET DEEP SLEEP CLOCK FROM DAL + if (phm_cap_enabled(hwmgr->hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_SclkDeepSleep)) { + cgs_get_min_clock_settings(hwmgr->device, &min_clocks); + if(min_clocks.engineClockInSR != data->display_timing.minClockInSR) + is_update_required = true; +*/ + return is_update_required; +} + + static const struct pp_hwmgr_func fiji_hwmgr_funcs = { .backend_init = &fiji_hwmgr_backend_init, .backend_fini = &tonga_hwmgr_backend_fini, @@ -5230,6 +5297,8 @@ static const struct pp_hwmgr_func fiji_hwmgr_funcs = { .register_internal_thermal_interrupt = fiji_register_internal_thermal_interrupt, .set_fan_control_mode = fiji_set_fan_control_mode, .get_fan_control_mode = fiji_get_fan_control_mode, + .check_states_equal = fiji_check_states_equal, + .check_smc_update_required_for_display_configuration = fiji_check_smc_update_required_for_display_configuration, .get_pp_table = fiji_get_pp_table, .set_pp_table = fiji_set_pp_table, .force_clock_level = fiji_force_clock_level, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c index be31bed2538a..fa208ada6892 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c @@ -58,6 +58,9 @@ void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr) phm_cap_unset(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VpuRecoveryInProgress); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_UVDDPM); + phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_VCEDPM); + if (acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST) && acpi_atcs_functions_supported(hwmgr->device, ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION)) phm_cap_set(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_PCIEPerformanceRequest); @@ -130,18 +133,25 @@ int phm_set_power_state(struct pp_hwmgr *hwmgr, int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr) { + int ret = 1; + bool enabled; PHM_FUNC_CHECK(hwmgr); if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_TablelessHardwareInterface)) { if (NULL != hwmgr->hwmgr_func->dynamic_state_management_enable) - return hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr); + ret = hwmgr->hwmgr_func->dynamic_state_management_enable(hwmgr); } else { - return phm_dispatch_table(hwmgr, + ret = phm_dispatch_table(hwmgr, &(hwmgr->enable_dynamic_state_management), NULL, NULL); } - return 0; + + enabled = ret == 0 ? true : false; + + cgs_notify_dpm_enabled(hwmgr->device, enabled); + + return ret; } int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level) diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 56b829f97699..3ac1ae4d8caf 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -57,14 +57,13 @@ static int hdlcd_load(struct drm_device *drm, unsigned long flags) DRM_ERROR("failed to map control registers area\n"); ret = PTR_ERR(hdlcd->mmio); hdlcd->mmio = NULL; - goto fail; + return ret; } version = hdlcd_read(hdlcd, HDLCD_REG_VERSION); if ((version & HDLCD_PRODUCT_MASK) != HDLCD_PRODUCT_ID) { DRM_ERROR("unknown product id: 0x%x\n", version); - ret = -EINVAL; - goto fail; + return -EINVAL; } DRM_INFO("found ARM HDLCD version r%dp%d\n", (version & HDLCD_VERSION_MAJOR_MASK) >> 8, @@ -73,7 +72,7 @@ static int hdlcd_load(struct drm_device *drm, unsigned long flags) /* Get the optional framebuffer memory resource */ ret = of_reserved_mem_device_init(drm->dev); if (ret && ret != -ENODEV) - goto fail; + return ret; ret = dma_set_mask_and_coherent(drm->dev, DMA_BIT_MASK(32)); if (ret) @@ -101,8 +100,6 @@ irq_fail: drm_crtc_cleanup(&hdlcd->crtc); setup_fail: of_reserved_mem_device_release(drm->dev); -fail: - devm_clk_put(drm->dev, hdlcd->clk); return ret; } @@ -412,7 +409,6 @@ err_unload: pm_runtime_put_sync(drm->dev); pm_runtime_disable(drm->dev); of_reserved_mem_device_release(drm->dev); - devm_clk_put(dev, hdlcd->clk); err_free: drm_dev_unref(drm); @@ -436,10 +432,6 @@ static void hdlcd_drm_unbind(struct device *dev) pm_runtime_put_sync(drm->dev); pm_runtime_disable(drm->dev); of_reserved_mem_device_release(drm->dev); - if (!IS_ERR(hdlcd->clk)) { - devm_clk_put(drm->dev, hdlcd->clk); - hdlcd->clk = NULL; - } drm_mode_config_cleanup(drm); drm_dev_unregister(drm); drm_dev_unref(drm); diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 6e731db31aa4..aca7f9cc6109 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -481,7 +481,7 @@ armada_gem_prime_map_dma_buf(struct dma_buf_attachment *attach, release: for_each_sg(sgt->sgl, sg, num, i) - page_cache_release(sg_page(sg)); + put_page(sg_page(sg)); free_table: sg_free_table(sgt); free_sgt: @@ -502,7 +502,7 @@ static void armada_gem_prime_unmap_dma_buf(struct dma_buf_attachment *attach, if (dobj->obj.filp) { struct scatterlist *sg; for_each_sg(sgt->sgl, sg, sgt->nents, i) - page_cache_release(sg_page(sg)); + put_page(sg_page(sg)); } sg_free_table(sgt); diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 27fbd79d0daf..71ea0521ea96 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1672,13 +1672,19 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, u8 sinks[DRM_DP_MAX_SDP_STREAMS]; int i; + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) + return -EINVAL; + port_num = port->port_num; mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent); if (!mstb) { mstb = drm_dp_get_last_connected_port_and_mstb(mgr, port->parent, &port_num); - if (!mstb) + if (!mstb) { + drm_dp_put_port(port); return -EINVAL; + } } txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL); @@ -1707,6 +1713,7 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr, kfree(txmsg); fail_put: drm_dp_put_mst_branch_device(mstb); + drm_dp_put_port(port); return ret; } @@ -1789,6 +1796,11 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr) req_payload.start_slot = cur_slots; if (mgr->proposed_vcpis[i]) { port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi); + port = drm_dp_get_validated_port_ref(mgr, port); + if (!port) { + mutex_unlock(&mgr->payload_lock); + return -EINVAL; + } req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots; req_payload.vcpi = mgr->proposed_vcpis[i]->vcpi; } else { @@ -1816,6 +1828,9 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr) mgr->payloads[i].payload_state = req_payload.payload_state; } cur_slots += req_payload.num_slots; + + if (port) + drm_dp_put_port(port); } for (i = 0; i < mgr->max_payloads; i++) { @@ -2121,6 +2136,8 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr) if (mgr->mst_primary) { int sret; + u8 guid[16]; + sret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE); if (sret != DP_RECEIVER_CAP_SIZE) { DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n"); @@ -2135,6 +2152,16 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr) ret = -1; goto out_unlock; } + + /* Some hubs forget their guids after they resume */ + sret = drm_dp_dpcd_read(mgr->aux, DP_GUID, guid, 16); + if (sret != 16) { + DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n"); + ret = -1; + goto out_unlock; + } + drm_dp_check_mstb_guid(mgr->mst_primary, guid); + ret = 0; } else ret = -1; diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 414d7f61aa05..558ef9fc39e6 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -205,7 +205,7 @@ static const struct drm_display_mode drm_dmt_modes[] = { DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 0x0f - 1024x768@43Hz, interlace */ { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032, - 1208, 1264, 0, 768, 768, 772, 817, 0, + 1208, 1264, 0, 768, 768, 776, 817, 0, DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 0x10 - 1024x768@60Hz */ @@ -522,12 +522,12 @@ static const struct drm_display_mode edid_est_modes[] = { 720, 840, 0, 480, 481, 484, 500, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664, - 704, 832, 0, 480, 489, 491, 520, 0, + 704, 832, 0, 480, 489, 492, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */ { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704, 768, 864, 0, 480, 483, 486, 525, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */ - { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25200, 640, 656, + { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, 752, 800, 0, 480, 490, 492, 525, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */ { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738, @@ -539,7 +539,7 @@ static const struct drm_display_mode edid_est_modes[] = { { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */ - { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78800, 1024, 1040, + { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040, 1136, 1312, 0, 768, 769, 772, 800, 0, DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */ { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048, @@ -2241,7 +2241,7 @@ drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing) { int i, j, m, modes = 0; struct drm_display_mode *mode; - u8 *est = ((u8 *)timing) + 5; + u8 *est = ((u8 *)timing) + 6; for (i = 0; i < 6; i++) { for (j = 7; j >= 0; j--) { diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 2e8c77e71e1f..da0c5320789f 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -534,7 +534,7 @@ struct page **drm_gem_get_pages(struct drm_gem_object *obj) fail: while (i--) - page_cache_release(pages[i]); + put_page(pages[i]); drm_free_large(pages); return ERR_CAST(p); @@ -569,7 +569,7 @@ void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages, mark_page_accessed(pages[i]); /* Undo the reference we took when populating the table */ - page_cache_release(pages[i]); + put_page(pages[i]); } drm_free_large(pages); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 09198d0b5814..306dde18a94a 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -572,6 +572,24 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu) goto fail; } + /* + * Set the GPU linear window to be at the end of the DMA window, where + * the CMA area is likely to reside. This ensures that we are able to + * map the command buffers while having the linear window overlap as + * much RAM as possible, so we can optimize mappings for other buffers. + * + * For 3D cores only do this if MC2.0 is present, as with MC1.0 it leads + * to different views of the memory on the individual engines. + */ + if (!(gpu->identity.features & chipFeatures_PIPE_3D) || + (gpu->identity.minor_features0 & chipMinorFeatures0_MC20)) { + u32 dma_mask = (u32)dma_get_required_mask(gpu->dev); + if (dma_mask < PHYS_OFFSET + SZ_2G) + gpu->memory_base = PHYS_OFFSET; + else + gpu->memory_base = dma_mask - SZ_2G + 1; + } + ret = etnaviv_hw_reset(gpu); if (ret) goto fail; @@ -1566,7 +1584,6 @@ static int etnaviv_gpu_platform_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct etnaviv_gpu *gpu; - u32 dma_mask; int err = 0; gpu = devm_kzalloc(dev, sizeof(*gpu), GFP_KERNEL); @@ -1576,18 +1593,6 @@ static int etnaviv_gpu_platform_probe(struct platform_device *pdev) gpu->dev = &pdev->dev; mutex_init(&gpu->lock); - /* - * Set the GPU linear window to be at the end of the DMA window, where - * the CMA area is likely to reside. This ensures that we are able to - * map the command buffers while having the linear window overlap as - * much RAM as possible, so we can optimize mappings for other buffers. - */ - dma_mask = (u32)dma_get_required_mask(dev); - if (dma_mask < PHYS_OFFSET + SZ_2G) - gpu->memory_base = PHYS_OFFSET; - else - gpu->memory_base = dma_mask - SZ_2G + 1; - /* Map registers: */ gpu->mmio = etnaviv_ioremap(pdev, NULL, dev_name(gpu->dev)); if (IS_ERR(gpu->mmio)) diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index f17d39279596..baddf33fb475 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -94,7 +94,7 @@ comment "Sub-drivers" config DRM_EXYNOS_G2D bool "G2D" - depends on !VIDEO_SAMSUNG_S5P_G2D + depends on VIDEO_SAMSUNG_S5P_G2D=n select FRAME_VECTOR help Choose this option if you want to use Exynos G2D for DRM. diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile index 968b31c522b2..23d2f958739b 100644 --- a/drivers/gpu/drm/exynos/Makefile +++ b/drivers/gpu/drm/exynos/Makefile @@ -2,10 +2,10 @@ # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. -exynosdrm-y := exynos_drm_drv.o exynos_drm_crtc.o exynos_drm_fbdev.o \ - exynos_drm_fb.o exynos_drm_gem.o exynos_drm_core.o \ - exynos_drm_plane.o +exynosdrm-y := exynos_drm_drv.o exynos_drm_crtc.o exynos_drm_fb.o \ + exynos_drm_gem.o exynos_drm_core.o exynos_drm_plane.o +exynosdrm-$(CONFIG_DRM_FBDEV_EMULATION) += exynos_drm_fbdev.o exynosdrm-$(CONFIG_DRM_EXYNOS_IOMMU) += exynos_drm_iommu.o exynosdrm-$(CONFIG_DRM_EXYNOS_FIMD) += exynos_drm_fimd.o exynosdrm-$(CONFIG_DRM_EXYNOS5433_DECON) += exynos5433_drm_decon.o diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c index 7f55ba6771c6..011211e4167d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_core.c +++ b/drivers/gpu/drm/exynos/exynos_drm_core.c @@ -101,7 +101,7 @@ int exynos_drm_subdrv_open(struct drm_device *dev, struct drm_file *file) return 0; err: - list_for_each_entry_reverse(subdrv, &subdrv->list, list) { + list_for_each_entry_continue_reverse(subdrv, &exynos_drm_subdrv_list, list) { if (subdrv->close) subdrv->close(dev, subdrv->dev, file); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index d614194644c8..81cc5537cf25 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -199,17 +199,6 @@ dma_addr_t exynos_drm_fb_dma_addr(struct drm_framebuffer *fb, int index) return exynos_fb->dma_addr[index]; } -static void exynos_drm_output_poll_changed(struct drm_device *dev) -{ - struct exynos_drm_private *private = dev->dev_private; - struct drm_fb_helper *fb_helper = private->fb_helper; - - if (fb_helper) - drm_fb_helper_hotplug_event(fb_helper); - else - exynos_drm_fbdev_init(dev); -} - static const struct drm_mode_config_funcs exynos_drm_mode_config_funcs = { .fb_create = exynos_user_fb_create, .output_poll_changed = exynos_drm_output_poll_changed, diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c index 4ae860c44f1d..72d7c0b7c216 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c @@ -317,3 +317,14 @@ void exynos_drm_fbdev_restore_mode(struct drm_device *dev) drm_fb_helper_restore_fbdev_mode_unlocked(private->fb_helper); } + +void exynos_drm_output_poll_changed(struct drm_device *dev) +{ + struct exynos_drm_private *private = dev->dev_private; + struct drm_fb_helper *fb_helper = private->fb_helper; + + if (fb_helper) + drm_fb_helper_hotplug_event(fb_helper); + else + exynos_drm_fbdev_init(dev); +} diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h index e16d7f0ae192..330eef87f718 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.h +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.h @@ -15,9 +15,30 @@ #ifndef _EXYNOS_DRM_FBDEV_H_ #define _EXYNOS_DRM_FBDEV_H_ +#ifdef CONFIG_DRM_FBDEV_EMULATION + int exynos_drm_fbdev_init(struct drm_device *dev); -int exynos_drm_fbdev_reinit(struct drm_device *dev); void exynos_drm_fbdev_fini(struct drm_device *dev); void exynos_drm_fbdev_restore_mode(struct drm_device *dev); +void exynos_drm_output_poll_changed(struct drm_device *dev); + +#else + +static inline int exynos_drm_fbdev_init(struct drm_device *dev) +{ + return 0; +} + +static inline void exynos_drm_fbdev_fini(struct drm_device *dev) +{ +} + +static inline void exynos_drm_fbdev_restore_mode(struct drm_device *dev) +{ +} + +#define exynos_drm_output_poll_changed (NULL) + +#endif #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 51d484ae9f49..018449f8d557 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -888,7 +888,7 @@ static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable) * clock. On these SoCs the bootloader may enable it but any * power domain off/on will reset it to disable state. */ - if (ctx->driver_data != &exynos5_fimd_driver_data || + if (ctx->driver_data != &exynos5_fimd_driver_data && ctx->driver_data != &exynos5420_fimd_driver_data) return; diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c index 9869d70e9e54..a0def0be6d65 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_mic.c +++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c @@ -129,7 +129,7 @@ static void mic_set_path(struct exynos_mic *mic, bool enable) } else val &= ~(MIC0_RGB_MUX | MIC0_I80_MUX | MIC0_ON_MUX); - regmap_write(mic->sysreg, DSD_CFG_MUX, val); + ret = regmap_write(mic->sysreg, DSD_CFG_MUX, val); if (ret) DRM_ERROR("mic: Failed to read system register\n"); } @@ -457,6 +457,7 @@ static int exynos_mic_probe(struct platform_device *pdev) "samsung,disp-syscon"); if (IS_ERR(mic->sysreg)) { DRM_ERROR("mic: Failed to get system register.\n"); + ret = PTR_ERR(mic->sysreg); goto err; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index d86227236f55..50185ac347b2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -11,9 +11,10 @@ #include <drm/drmP.h> -#include <drm/exynos_drm.h> -#include <drm/drm_plane_helper.h> +#include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> +#include <drm/drm_plane_helper.h> +#include <drm/exynos_drm.h> #include "exynos_drm_drv.h" #include "exynos_drm_crtc.h" #include "exynos_drm_fb.h" @@ -57,11 +58,12 @@ static int exynos_plane_get_size(int start, unsigned length, unsigned last) } static void exynos_plane_mode_set(struct exynos_drm_plane_state *exynos_state) - { struct drm_plane_state *state = &exynos_state->base; - struct drm_crtc *crtc = exynos_state->base.crtc; - struct drm_display_mode *mode = &crtc->state->adjusted_mode; + struct drm_crtc *crtc = state->crtc; + struct drm_crtc_state *crtc_state = + drm_atomic_get_existing_crtc_state(state->state, crtc); + struct drm_display_mode *mode = &crtc_state->adjusted_mode; int crtc_x, crtc_y; unsigned int crtc_w, crtc_h; unsigned int src_x, src_y; diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c index 7bb1f1aff932..c52f9adf5e04 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_dp.c +++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c @@ -220,7 +220,7 @@ i2c_dp_aux_prepare_bus(struct i2c_adapter *adapter) * FIXME: This is the old dp aux helper, gma500 is the last driver that needs to * be ported over to the new helper code in drm_dp_helper.c like i915 or radeon. */ -static int __deprecated +static int i2c_dp_aux_add_bus(struct i2c_adapter *adapter) { int error; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 20e82008b8b6..6d2fb3f4ac62 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -758,10 +758,10 @@ static int i915_drm_resume(struct drm_device *dev) dev_priv->display.hpd_irq_setup(dev); spin_unlock_irq(&dev_priv->irq_lock); - intel_display_resume(dev); - intel_dp_mst_resume(dev); + intel_display_resume(dev); + /* * ... but also need to make sure that hotplug processing * doesn't cause havoc. Like in the driver load code we don't @@ -792,7 +792,7 @@ static int i915_drm_resume(struct drm_device *dev) static int i915_drm_resume_early(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - int ret = 0; + int ret; /* * We have a resume ordering issue with the snd-hda driver also @@ -803,6 +803,36 @@ static int i915_drm_resume_early(struct drm_device *dev) * FIXME: This should be solved with a special hdmi sink device or * similar so that power domains can be employed. */ + + /* + * Note that we need to set the power state explicitly, since we + * powered off the device during freeze and the PCI core won't power + * it back up for us during thaw. Powering off the device during + * freeze is not a hard requirement though, and during the + * suspend/resume phases the PCI core makes sure we get here with the + * device powered on. So in case we change our freeze logic and keep + * the device powered we can also remove the following set power state + * call. + */ + ret = pci_set_power_state(dev->pdev, PCI_D0); + if (ret) { + DRM_ERROR("failed to set PCI D0 power state (%d)\n", ret); + goto out; + } + + /* + * Note that pci_enable_device() first enables any parent bridge + * device and only then sets the power state for this device. The + * bridge enabling is a nop though, since bridge devices are resumed + * first. The order of enabling power and enabling the device is + * imposed by the PCI core as described above, so here we preserve the + * same order for the freeze/thaw phases. + * + * TODO: eventually we should remove pci_disable_device() / + * pci_enable_enable_device() from suspend/resume. Due to how they + * depend on the device enable refcount we can't anyway depend on them + * disabling/enabling the device. + */ if (pci_enable_device(dev->pdev)) { ret = -EIO; goto out; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 10480939159c..daba7ebb9699 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2634,8 +2634,9 @@ struct drm_i915_cmd_table { /* WaRsDisableCoarsePowerGating:skl,bxt */ #define NEEDS_WaRsDisableCoarsePowerGating(dev) (IS_BXT_REVID(dev, 0, BXT_REVID_A1) || \ - ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && \ - IS_SKL_REVID(dev, 0, SKL_REVID_F0))) + IS_SKL_GT3(dev) || \ + IS_SKL_GT4(dev)) + /* * dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts * even when in MSI mode. This results in spurious interrupt warnings if the diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 3d31d3ac589e..dabc08987b5e 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -177,7 +177,7 @@ i915_gem_object_get_pages_phys(struct drm_i915_gem_object *obj) drm_clflush_virt_range(vaddr, PAGE_SIZE); kunmap_atomic(src); - page_cache_release(page); + put_page(page); vaddr += PAGE_SIZE; } @@ -243,7 +243,7 @@ i915_gem_object_put_pages_phys(struct drm_i915_gem_object *obj) set_page_dirty(page); if (obj->madv == I915_MADV_WILLNEED) mark_page_accessed(page); - page_cache_release(page); + put_page(page); vaddr += PAGE_SIZE; } obj->dirty = 0; @@ -2206,7 +2206,7 @@ i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj) if (obj->madv == I915_MADV_WILLNEED) mark_page_accessed(page); - page_cache_release(page); + put_page(page); } obj->dirty = 0; @@ -2346,7 +2346,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) err_pages: sg_mark_end(sg); for_each_sg_page(st->sgl, &sg_iter, st->nents, 0) - page_cache_release(sg_page_iter_page(&sg_iter)); + put_page(sg_page_iter_page(&sg_iter)); sg_free_table(st); kfree(st); diff --git a/drivers/gpu/drm/i915/i915_gem_userptr.c b/drivers/gpu/drm/i915/i915_gem_userptr.c index 6be40f3ba2c7..4d30b60defda 100644 --- a/drivers/gpu/drm/i915/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/i915_gem_userptr.c @@ -501,19 +501,24 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) if (pvec != NULL) { struct mm_struct *mm = obj->userptr.mm->mm; - down_read(&mm->mmap_sem); - while (pinned < npages) { - ret = get_user_pages_remote(work->task, mm, - obj->userptr.ptr + pinned * PAGE_SIZE, - npages - pinned, - !obj->userptr.read_only, 0, - pvec + pinned, NULL); - if (ret < 0) - break; - - pinned += ret; + ret = -EFAULT; + if (atomic_inc_not_zero(&mm->mm_users)) { + down_read(&mm->mmap_sem); + while (pinned < npages) { + ret = get_user_pages_remote + (work->task, mm, + obj->userptr.ptr + pinned * PAGE_SIZE, + npages - pinned, + !obj->userptr.read_only, 0, + pvec + pinned, NULL); + if (ret < 0) + break; + + pinned += ret; + } + up_read(&mm->mmap_sem); + mmput(mm); } - up_read(&mm->mmap_sem); } mutex_lock(&dev->struct_mutex); @@ -683,7 +688,7 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj) set_page_dirty(page); mark_page_accessed(page); - page_cache_release(page); + put_page(page); } obj->dirty = 0; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index d1a46ef5ab3f..1c212205d0e7 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1829,7 +1829,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) /* IRQs are synced during runtime_suspend, we don't require a wakeref */ disable_rpm_wakeref_asserts(dev_priv); - for (;;) { + do { master_ctl = I915_READ(GEN8_MASTER_IRQ) & ~GEN8_MASTER_IRQ_CONTROL; iir = I915_READ(VLV_IIR); @@ -1857,7 +1857,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg) I915_WRITE(GEN8_MASTER_IRQ, DE_MASTER_IRQ_CONTROL); POSTING_READ(GEN8_MASTER_IRQ); - } + } while (0); enable_rpm_wakeref_asserts(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f76cbf3e5d1e..fffdac801d3b 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2907,7 +2907,14 @@ enum skl_disp_power_wells { #define GEN6_RP_STATE_CAP _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5998) #define BXT_RP_STATE_CAP _MMIO(0x138170) -#define INTERVAL_1_28_US(us) (((us) * 100) >> 7) +/* + * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS + * 8300) freezing up around GPU hangs. Looks as if even + * scheduling/timer interrupts start misbehaving if the RPS + * EI/thresholds are "bad", leading to a very sluggish or even + * frozen machine. + */ +#define INTERVAL_1_28_US(us) roundup(((us) * 100) >> 7, 25) #define INTERVAL_1_33_US(us) (((us) * 3) >> 2) #define INTERVAL_0_833_US(us) (((us) * 6) / 5) #define GT_INTERVAL_FROM_US(dev_priv, us) (IS_GEN9(dev_priv) ? \ diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 62de9f4bce09..3b57bf06abe8 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -443,9 +443,17 @@ void intel_prepare_ddi_buffer(struct intel_encoder *encoder) } else if (IS_BROADWELL(dev_priv)) { ddi_translations_fdi = bdw_ddi_translations_fdi; ddi_translations_dp = bdw_ddi_translations_dp; - ddi_translations_edp = bdw_ddi_translations_edp; + + if (dev_priv->edp_low_vswing) { + ddi_translations_edp = bdw_ddi_translations_edp; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + } else { + ddi_translations_edp = bdw_ddi_translations_dp; + n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); + } + ddi_translations_hdmi = bdw_ddi_translations_hdmi; - n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp); + n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp); n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); hdmi_default_entry = 7; @@ -3201,12 +3209,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, intel_ddi_clock_get(encoder, pipe_config); } -static void intel_ddi_destroy(struct drm_encoder *encoder) -{ - /* HDMI has nothing special to destroy, so we can go with this. */ - intel_dp_encoder_destroy(encoder); -} - static bool intel_ddi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { @@ -3225,7 +3227,8 @@ static bool intel_ddi_compute_config(struct intel_encoder *encoder, } static const struct drm_encoder_funcs intel_ddi_funcs = { - .destroy = intel_ddi_destroy, + .reset = intel_dp_encoder_reset, + .destroy = intel_dp_encoder_destroy, }; static struct intel_connector * @@ -3324,6 +3327,7 @@ void intel_ddi_init(struct drm_device *dev, enum port port) intel_encoder->post_disable = intel_ddi_post_disable; intel_encoder->get_hw_state = intel_ddi_get_hw_state; intel_encoder->get_config = intel_ddi_get_config; + intel_encoder->suspend = intel_dp_encoder_suspend; intel_dig_port->port = port; intel_dig_port->saved_port_bits = I915_READ(DDI_BUF_CTL(port)) & diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 6e0d8283daa6..182f84937345 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13351,6 +13351,9 @@ static int intel_atomic_prepare_commit(struct drm_device *dev, } for_each_crtc_in_state(state, crtc, crtc_state, i) { + if (state->legacy_cursor_update) + continue; + ret = intel_crtc_wait_for_pending_flips(crtc); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f069a82deb57..412a34c39522 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4898,7 +4898,7 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder) kfree(intel_dig_port); } -static void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder) +void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); @@ -4940,7 +4940,7 @@ static void intel_edp_panel_vdd_sanitize(struct intel_dp *intel_dp) edp_panel_vdd_schedule_off(intel_dp); } -static void intel_dp_encoder_reset(struct drm_encoder *encoder) +void intel_dp_encoder_reset(struct drm_encoder *encoder) { struct intel_dp *intel_dp; diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index a2bd698fe2f7..937e77228466 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -506,6 +506,8 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, struct intel_connector *intel_connector = to_intel_connector(connector); struct drm_device *dev = connector->dev; + intel_connector->unregister(intel_connector); + /* need to nuke the connector */ drm_modeset_lock_all(dev); if (connector->state->crtc) { @@ -519,11 +521,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, WARN(ret, "Disabling mst crtc failed with %i\n", ret); } - drm_modeset_unlock_all(dev); - intel_connector->unregister(intel_connector); - - drm_modeset_lock_all(dev); intel_connector_remove_from_fbdev(intel_connector); drm_connector_cleanup(connector); drm_modeset_unlock_all(dev); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 4c027d69fac9..7d3af3a72abe 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1238,6 +1238,8 @@ void intel_dp_set_link_params(struct intel_dp *intel_dp, void intel_dp_start_link_train(struct intel_dp *intel_dp); void intel_dp_stop_link_train(struct intel_dp *intel_dp); void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); +void intel_dp_encoder_reset(struct drm_encoder *encoder); +void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder); void intel_dp_encoder_destroy(struct drm_encoder *encoder); int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc); bool intel_dp_compute_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index a0d8daed2470..1ab6f687f640 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1415,8 +1415,16 @@ intel_hdmi_detect(struct drm_connector *connector, bool force) hdmi_to_dig_port(intel_hdmi)); } - if (!live_status) - DRM_DEBUG_KMS("Live status not up!"); + if (!live_status) { + DRM_DEBUG_KMS("HDMI live status down\n"); + /* + * Live status register is not reliable on all intel platforms. + * So consider live_status only for certain platforms, for + * others, read EDID to determine presence of sink. + */ + if (INTEL_INFO(dev_priv)->gen < 7 || IS_IVYBRIDGE(dev_priv)) + live_status = true; + } intel_hdmi_unset_edid(connector); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 6a978ce80244..5c6080fd0968 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -841,11 +841,11 @@ static int logical_ring_prepare(struct drm_i915_gem_request *req, int bytes) if (unlikely(total_bytes > remain_usable)) { /* * The base request will fit but the reserved space - * falls off the end. So only need to to wait for the - * reserved size after flushing out the remainder. + * falls off the end. So don't need an immediate wrap + * and only need to effectively wait for the reserved + * size space from the start of ringbuffer. */ wait_bytes = remain_actual + ringbuf->reserved_size; - need_wrap = true; } else if (total_bytes > ringbuf->space) { /* No wrapping required, just waiting. */ wait_bytes = total_bytes; @@ -1913,15 +1913,18 @@ static int gen8_emit_request_render(struct drm_i915_gem_request *request) struct intel_ringbuffer *ringbuf = request->ringbuf; int ret; - ret = intel_logical_ring_begin(request, 6 + WA_TAIL_DWORDS); + ret = intel_logical_ring_begin(request, 8 + WA_TAIL_DWORDS); if (ret) return ret; + /* We're using qword write, seqno should be aligned to 8 bytes. */ + BUILD_BUG_ON(I915_GEM_HWS_INDEX & 1); + /* w/a for post sync ops following a GPGPU operation we * need a prior CS_STALL, which is emitted by the flush * following the batch. */ - intel_logical_ring_emit(ringbuf, GFX_OP_PIPE_CONTROL(5)); + intel_logical_ring_emit(ringbuf, GFX_OP_PIPE_CONTROL(6)); intel_logical_ring_emit(ringbuf, (PIPE_CONTROL_GLOBAL_GTT_IVB | PIPE_CONTROL_CS_STALL | @@ -1929,7 +1932,10 @@ static int gen8_emit_request_render(struct drm_i915_gem_request *request) intel_logical_ring_emit(ringbuf, hws_seqno_address(request->ring)); intel_logical_ring_emit(ringbuf, 0); intel_logical_ring_emit(ringbuf, i915_gem_request_get_seqno(request)); + /* We're thrashing one dword of HWS. */ + intel_logical_ring_emit(ringbuf, 0); intel_logical_ring_emit(ringbuf, MI_USER_INTERRUPT); + intel_logical_ring_emit(ringbuf, MI_NOOP); return intel_logical_ring_advance_and_submit(request); } diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 30a8403a8f4f..cd9fe609aefb 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -478,11 +478,8 @@ static int intel_lid_notify(struct notifier_block *nb, unsigned long val, * and as part of the cleanup in the hw state restore we also redisable * the vga plane. */ - if (!HAS_PCH_SPLIT(dev)) { - drm_modeset_lock_all(dev); + if (!HAS_PCH_SPLIT(dev)) intel_display_resume(dev); - drm_modeset_unlock_all(dev); - } dev_priv->modeset_restore = MODESET_DONE; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 347d4df49a9b..8ed3cf34f82d 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2876,25 +2876,28 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, const struct drm_plane_state *pstate, int y) { - struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); + struct intel_plane_state *intel_pstate = to_intel_plane_state(pstate); struct drm_framebuffer *fb = pstate->fb; + uint32_t width = 0, height = 0; + + width = drm_rect_width(&intel_pstate->src) >> 16; + height = drm_rect_height(&intel_pstate->src) >> 16; + + if (intel_rotation_90_or_270(pstate->rotation)) + swap(width, height); /* for planar format */ if (fb->pixel_format == DRM_FORMAT_NV12) { if (y) /* y-plane data rate */ - return intel_crtc->config->pipe_src_w * - intel_crtc->config->pipe_src_h * + return width * height * drm_format_plane_cpp(fb->pixel_format, 0); else /* uv-plane data rate */ - return (intel_crtc->config->pipe_src_w/2) * - (intel_crtc->config->pipe_src_h/2) * + return (width / 2) * (height / 2) * drm_format_plane_cpp(fb->pixel_format, 1); } /* for packed formats */ - return intel_crtc->config->pipe_src_w * - intel_crtc->config->pipe_src_h * - drm_format_plane_cpp(fb->pixel_format, 0); + return width * height * drm_format_plane_cpp(fb->pixel_format, 0); } /* @@ -2973,8 +2976,9 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, struct drm_framebuffer *fb = plane->state->fb; int id = skl_wm_plane_id(intel_plane); - if (fb == NULL) + if (!to_intel_plane_state(plane->state)->visible) continue; + if (plane->type == DRM_PLANE_TYPE_CURSOR) continue; @@ -3000,7 +3004,7 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, uint16_t plane_blocks, y_plane_blocks = 0; int id = skl_wm_plane_id(intel_plane); - if (pstate->fb == NULL) + if (!to_intel_plane_state(pstate)->visible) continue; if (plane->type == DRM_PLANE_TYPE_CURSOR) continue; @@ -3123,26 +3127,36 @@ static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, { struct drm_plane *plane = &intel_plane->base; struct drm_framebuffer *fb = plane->state->fb; + struct intel_plane_state *intel_pstate = + to_intel_plane_state(plane->state); uint32_t latency = dev_priv->wm.skl_latency[level]; uint32_t method1, method2; uint32_t plane_bytes_per_line, plane_blocks_per_line; uint32_t res_blocks, res_lines; uint32_t selected_result; uint8_t cpp; + uint32_t width = 0, height = 0; - if (latency == 0 || !cstate->base.active || !fb) + if (latency == 0 || !cstate->base.active || !intel_pstate->visible) return false; + width = drm_rect_width(&intel_pstate->src) >> 16; + height = drm_rect_height(&intel_pstate->src) >> 16; + + if (intel_rotation_90_or_270(plane->state->rotation)) + swap(width, height); + cpp = drm_format_plane_cpp(fb->pixel_format, 0); method1 = skl_wm_method1(skl_pipe_pixel_rate(cstate), cpp, latency); method2 = skl_wm_method2(skl_pipe_pixel_rate(cstate), cstate->base.adjusted_mode.crtc_htotal, - cstate->pipe_src_w, - cpp, fb->modifier[0], + width, + cpp, + fb->modifier[0], latency); - plane_bytes_per_line = cstate->pipe_src_w * cpp; + plane_bytes_per_line = width * cpp; plane_blocks_per_line = DIV_ROUND_UP(plane_bytes_per_line, 512); if (fb->modifier[0] == I915_FORMAT_MOD_Y_TILED || diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 45ce45a5e122..9121646d7c4d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -968,7 +968,7 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring) /* WaForceContextSaveRestoreNonCoherent:skl,bxt */ tmp = HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT; - if (IS_SKL_REVID(dev, SKL_REVID_F0, SKL_REVID_F0) || + if (IS_SKL_REVID(dev, SKL_REVID_F0, REVID_FOREVER) || IS_BXT_REVID(dev, BXT_REVID_B0, REVID_FOREVER)) tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE; WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp); @@ -1085,7 +1085,8 @@ static int skl_init_workarounds(struct intel_engine_cs *ring) WA_SET_BIT_MASKED(HIZ_CHICKEN, BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE); - if (IS_SKL_REVID(dev, 0, SKL_REVID_F0)) { + /* This is tied to WaForceContextSaveRestoreNonCoherent */ + if (IS_SKL_REVID(dev, 0, REVID_FOREVER)) { /* *Use Force Non-Coherent whenever executing a 3D context. This * is a workaround for a possible hang in the unlikely event @@ -2090,10 +2091,12 @@ int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev, { struct drm_i915_private *dev_priv = to_i915(dev); struct drm_i915_gem_object *obj = ringbuf->obj; + /* Ring wraparound at offset 0 sometimes hangs. No idea why. */ + unsigned flags = PIN_OFFSET_BIAS | 4096; int ret; if (HAS_LLC(dev_priv) && !obj->stolen) { - ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, 0); + ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, flags); if (ret) return ret; @@ -2109,7 +2112,8 @@ int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev, return -ENOMEM; } } else { - ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, PIN_MAPPABLE); + ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, + flags | PIN_MAPPABLE); if (ret) return ret; @@ -2454,11 +2458,11 @@ static int __intel_ring_prepare(struct intel_engine_cs *ring, int bytes) if (unlikely(total_bytes > remain_usable)) { /* * The base request will fit but the reserved space - * falls off the end. So only need to to wait for the - * reserved size after flushing out the remainder. + * falls off the end. So don't need an immediate wrap + * and only need to effectively wait for the reserved + * size space from the start of ringbuffer. */ wait_bytes = remain_actual + ringbuf->reserved_size; - need_wrap = true; } else if (total_bytes > ringbuf->space) { /* No wrapping required, just waiting. */ wait_bytes = total_bytes; diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 436d8f2b8682..68b6f69aa682 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1189,7 +1189,11 @@ static void intel_uncore_fw_domains_init(struct drm_device *dev) } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { dev_priv->uncore.funcs.force_wake_get = fw_domains_get_with_thread_status; - dev_priv->uncore.funcs.force_wake_put = fw_domains_put; + if (IS_HASWELL(dev)) + dev_priv->uncore.funcs.force_wake_put = + fw_domains_put_with_fifo; + else + dev_priv->uncore.funcs.force_wake_put = fw_domains_put; fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER, FORCEWAKE_MT, FORCEWAKE_ACK_HSW); } else if (IS_IVYBRIDGE(dev)) { diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c index 2a95d10e9d92..a24631fdf4ad 100644 --- a/drivers/gpu/drm/imx/dw_hdmi-imx.c +++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c @@ -225,8 +225,6 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master, if (!iores) return -ENXIO; - platform_set_drvdata(pdev, hdmi); - encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node); /* * If we failed to find the CRTC(s) which this encoder is @@ -245,7 +243,16 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master, drm_encoder_init(drm, encoder, &dw_hdmi_imx_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); - return dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data); + ret = dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data); + + /* + * If dw_hdmi_bind() fails we'll never call dw_hdmi_unbind(), + * which would have called the encoder cleanup. Do it manually. + */ + if (ret) + drm_encoder_cleanup(encoder); + + return ret; } static void dw_hdmi_imx_unbind(struct device *dev, struct device *master, diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 9876e0f0c3e1..e26dcdec2aba 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -326,7 +326,6 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, { struct imx_drm_device *imxdrm = drm->dev_private; struct imx_drm_crtc *imx_drm_crtc; - int ret; /* * The vblank arrays are dimensioned by MAX_CRTC - we can't @@ -351,10 +350,6 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, *new_crtc = imx_drm_crtc; - ret = drm_mode_crtc_set_gamma_size(imx_drm_crtc->crtc, 256); - if (ret) - goto err_register; - drm_crtc_helper_add(crtc, imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs); @@ -362,11 +357,6 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs, NULL); return 0; - -err_register: - imxdrm->crtc[--imxdrm->pipes] = NULL; - kfree(imx_drm_crtc); - return ret; } EXPORT_SYMBOL_GPL(imx_drm_add_crtc); diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 588827844f30..681ec6eb77d9 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -72,22 +72,101 @@ static inline int calc_bandwidth(int width, int height, unsigned int vref) int ipu_plane_set_base(struct ipu_plane *ipu_plane, struct drm_framebuffer *fb, int x, int y) { - struct drm_gem_cma_object *cma_obj; - unsigned long eba; - int active; - - cma_obj = drm_fb_cma_get_gem_obj(fb, 0); - if (!cma_obj) { - DRM_DEBUG_KMS("entry is null.\n"); - return -EFAULT; + struct drm_gem_cma_object *cma_obj[3]; + unsigned long eba, ubo, vbo; + int active, i; + + for (i = 0; i < drm_format_num_planes(fb->pixel_format); i++) { + cma_obj[i] = drm_fb_cma_get_gem_obj(fb, i); + if (!cma_obj[i]) { + DRM_DEBUG_KMS("plane %d entry is null.\n", i); + return -EFAULT; + } } - dev_dbg(ipu_plane->base.dev->dev, "phys = %pad, x = %d, y = %d", - &cma_obj->paddr, x, y); - - eba = cma_obj->paddr + fb->offsets[0] + + eba = cma_obj[0]->paddr + fb->offsets[0] + fb->pitches[0] * y + (fb->bits_per_pixel >> 3) * x; + if (eba & 0x7) { + DRM_DEBUG_KMS("base address must be a multiple of 8.\n"); + return -EINVAL; + } + + if (fb->pitches[0] < 1 || fb->pitches[0] > 16384) { + DRM_DEBUG_KMS("pitches out of range.\n"); + return -EINVAL; + } + + if (ipu_plane->enabled && fb->pitches[0] != ipu_plane->stride[0]) { + DRM_DEBUG_KMS("pitches must not change while plane is enabled.\n"); + return -EINVAL; + } + + ipu_plane->stride[0] = fb->pitches[0]; + + switch (fb->pixel_format) { + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + /* + * Multiplanar formats have to meet the following restrictions: + * - The (up to) three plane addresses are EBA, EBA+UBO, EBA+VBO + * - EBA, UBO and VBO are a multiple of 8 + * - UBO and VBO are unsigned and not larger than 0xfffff8 + * - Only EBA may be changed while scanout is active + * - The strides of U and V planes must be identical. + */ + ubo = cma_obj[1]->paddr + fb->offsets[1] + + fb->pitches[1] * y / 2 + x / 2 - eba; + vbo = cma_obj[2]->paddr + fb->offsets[2] + + fb->pitches[2] * y / 2 + x / 2 - eba; + + if ((ubo & 0x7) || (vbo & 0x7)) { + DRM_DEBUG_KMS("U/V buffer offsets must be a multiple of 8.\n"); + return -EINVAL; + } + + if ((ubo > 0xfffff8) || (vbo > 0xfffff8)) { + DRM_DEBUG_KMS("U/V buffer offsets must be positive and not larger than 0xfffff8.\n"); + return -EINVAL; + } + + if (ipu_plane->enabled && ((ipu_plane->u_offset != ubo) || + (ipu_plane->v_offset != vbo))) { + DRM_DEBUG_KMS("U/V buffer offsets must not change while plane is enabled.\n"); + return -EINVAL; + } + + if (fb->pitches[1] != fb->pitches[2]) { + DRM_DEBUG_KMS("U/V pitches must be identical.\n"); + return -EINVAL; + } + + if (fb->pitches[1] < 1 || fb->pitches[1] > 16384) { + DRM_DEBUG_KMS("U/V pitches out of range.\n"); + return -EINVAL; + } + + if (ipu_plane->enabled && + (ipu_plane->stride[1] != fb->pitches[1])) { + DRM_DEBUG_KMS("U/V pitches must not change while plane is enabled.\n"); + return -EINVAL; + } + + ipu_plane->u_offset = ubo; + ipu_plane->v_offset = vbo; + ipu_plane->stride[1] = fb->pitches[1]; + + dev_dbg(ipu_plane->base.dev->dev, + "phys = %pad %pad %pad, x = %d, y = %d", + &cma_obj[0]->paddr, &cma_obj[1]->paddr, + &cma_obj[2]->paddr, x, y); + break; + default: + dev_dbg(ipu_plane->base.dev->dev, "phys = %pad, x = %d, y = %d", + &cma_obj[0]->paddr, x, y); + break; + } + if (ipu_plane->enabled) { active = ipu_idmac_get_current_buffer(ipu_plane->ipu_ch); ipu_cpmem_set_buffer(ipu_plane->ipu_ch, !active, eba); @@ -201,12 +280,6 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, } } - ret = ipu_dmfc_init_channel(ipu_plane->dmfc, crtc_w); - if (ret) { - dev_err(dev, "initializing dmfc channel failed with %d\n", ret); - return ret; - } - ret = ipu_dmfc_alloc_bandwidth(ipu_plane->dmfc, calc_bandwidth(crtc_w, crtc_h, calc_vref(mode)), 64); @@ -215,6 +288,8 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, return ret; } + ipu_dmfc_config_wait4eot(ipu_plane->dmfc, crtc_w); + ipu_cpmem_zero(ipu_plane->ipu_ch); ipu_cpmem_set_resolution(ipu_plane->ipu_ch, src_w, src_h); ret = ipu_cpmem_set_fmt(ipu_plane->ipu_ch, fb->pixel_format); @@ -233,6 +308,18 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc, if (interlaced) ipu_cpmem_interlaced_scan(ipu_plane->ipu_ch, fb->pitches[0]); + if (fb->pixel_format == DRM_FORMAT_YUV420) { + ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch, + ipu_plane->stride[1], + ipu_plane->u_offset, + ipu_plane->v_offset); + } else if (fb->pixel_format == DRM_FORMAT_YVU420) { + ipu_cpmem_set_yuv_planar_full(ipu_plane->ipu_ch, + ipu_plane->stride[1], + ipu_plane->v_offset, + ipu_plane->u_offset); + } + ipu_plane->w = src_w; ipu_plane->h = src_h; diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h index 3a443b413c60..4448fd4ad4eb 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.h +++ b/drivers/gpu/drm/imx/ipuv3-plane.h @@ -29,6 +29,10 @@ struct ipu_plane { int w; int h; + unsigned int u_offset; + unsigned int v_offset; + unsigned int stride[2]; + bool enabled; }; diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h index 16641cec18a2..b5370cb56e3c 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h @@ -11,6 +11,7 @@ struct nvkm_device_tegra { struct reset_control *rst; struct clk *clk; + struct clk *clk_ref; struct clk *clk_pwr; struct regulator *vdd; @@ -36,6 +37,10 @@ struct nvkm_device_tegra_func { * bypassed). A value of 0 means an IOMMU is never used. */ u8 iommu_bit; + /* + * Whether the chip requires a reference clock + */ + bool require_ref_clk; }; int nvkm_device_tegra_new(const struct nvkm_device_tegra_func *, diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index ae96ebc490fb..e81aefe5ffa7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -1276,18 +1276,18 @@ nouveau_connector_create(struct drm_device *dev, int index) break; default: if (disp->dithering_mode) { + nv_connector->dithering_mode = DITHERING_MODE_AUTO; drm_object_attach_property(&connector->base, disp->dithering_mode, nv_connector-> dithering_mode); - nv_connector->dithering_mode = DITHERING_MODE_AUTO; } if (disp->dithering_depth) { + nv_connector->dithering_depth = DITHERING_DEPTH_AUTO; drm_object_attach_property(&connector->base, disp->dithering_depth, nv_connector-> dithering_depth); - nv_connector->dithering_depth = DITHERING_DEPTH_AUTO; } break; } diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c index 2dfe58af12e4..4c4cc2260257 100644 --- a/drivers/gpu/drm/nouveau/nouveau_platform.c +++ b/drivers/gpu/drm/nouveau/nouveau_platform.c @@ -55,6 +55,11 @@ static const struct nvkm_device_tegra_func gk20a_platform_data = { .iommu_bit = 34, }; +static const struct nvkm_device_tegra_func gm20b_platform_data = { + .iommu_bit = 34, + .require_ref_clk = true, +}; + static const struct of_device_id nouveau_platform_match[] = { { .compatible = "nvidia,gk20a", @@ -62,7 +67,7 @@ static const struct of_device_id nouveau_platform_match[] = { }, { .compatible = "nvidia,gm20b", - .data = &gk20a_platform_data, + .data = &gm20b_platform_data, }, { } }; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 9afa5f3e3c1c..ec12efb4689a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -35,6 +35,11 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) ret = clk_prepare_enable(tdev->clk); if (ret) goto err_clk; + if (tdev->clk_ref) { + ret = clk_prepare_enable(tdev->clk_ref); + if (ret) + goto err_clk_ref; + } ret = clk_prepare_enable(tdev->clk_pwr); if (ret) goto err_clk_pwr; @@ -57,6 +62,9 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) err_clamp: clk_disable_unprepare(tdev->clk_pwr); err_clk_pwr: + if (tdev->clk_ref) + clk_disable_unprepare(tdev->clk_ref); +err_clk_ref: clk_disable_unprepare(tdev->clk); err_clk: regulator_disable(tdev->vdd); @@ -71,6 +79,8 @@ nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev) udelay(10); clk_disable_unprepare(tdev->clk_pwr); + if (tdev->clk_ref) + clk_disable_unprepare(tdev->clk_ref); clk_disable_unprepare(tdev->clk); udelay(10); @@ -274,6 +284,13 @@ nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func, goto free; } + if (func->require_ref_clk) + tdev->clk_ref = devm_clk_get(&pdev->dev, "ref"); + if (IS_ERR(tdev->clk_ref)) { + ret = PTR_ERR(tdev->clk_ref); + goto free; + } + tdev->clk_pwr = devm_clk_get(&pdev->dev, "pwr"); if (IS_ERR(tdev->clk_pwr)) { ret = PTR_ERR(tdev->clk_pwr); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index c56a886229f1..b2de290da16f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -1832,6 +1832,8 @@ gf100_gr_init(struct gf100_gr *gr) gf100_gr_mmio(gr, gr->func->mmio); + nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001); + memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr)); for (i = 0, gpc = -1; i < gr->tpc_total; i++) { do { diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 43e5f503d1c5..030409a3ee4e 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -375,10 +375,15 @@ static int qxl_crtc_cursor_set2(struct drm_crtc *crtc, qxl_bo_kunmap(user_bo); + qcrtc->cur_x += qcrtc->hot_spot_x - hot_x; + qcrtc->cur_y += qcrtc->hot_spot_y - hot_y; + qcrtc->hot_spot_x = hot_x; + qcrtc->hot_spot_y = hot_y; + cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); cmd->type = QXL_CURSOR_SET; - cmd->u.set.position.x = qcrtc->cur_x; - cmd->u.set.position.y = qcrtc->cur_y; + cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; + cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); @@ -441,8 +446,8 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc, cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); cmd->type = QXL_CURSOR_MOVE; - cmd->u.position.x = qcrtc->cur_x; - cmd->u.position.y = qcrtc->cur_y; + cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x; + cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y; qxl_release_unmap(qdev, release, &cmd->release_info); qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 6e6b9b1519b8..3f3897eb458c 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -135,6 +135,8 @@ struct qxl_crtc { int index; int cur_x; int cur_y; + int hot_spot_x; + int hot_spot_y; }; struct qxl_output { diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index cf61e0856f4a..b80b08f71cb4 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -275,13 +275,15 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); atombios_blank_crtc(crtc, ATOM_DISABLE); - drm_vblank_on(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_on(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - drm_vblank_off(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_off(dev, radeon_crtc->crtc_id); if (radeon_crtc->enabled) atombios_blank_crtc(crtc, ATOM_ENABLE); if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index edd05cdb0cd8..587cae4e73c9 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -310,6 +310,10 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder, && (mode->crtc_vsync_start < (mode->crtc_vdisplay + 2))) adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2; + /* vertical FP must be at least 1 */ + if (mode->crtc_vsync_start == mode->crtc_vdisplay) + adjusted_mode->crtc_vsync_start++; + /* get the native mode for scaling */ if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) { radeon_panel_mode_fixup(encoder, adjusted_mode); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 76c4bdf21b20..34f7a29d9366 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2608,10 +2608,152 @@ static void evergreen_agp_enable(struct radeon_device *rdev) WREG32(VM_CONTEXT1_CNTL, 0); } +static const unsigned ni_dig_offsets[] = +{ + NI_DIG0_REGISTER_OFFSET, + NI_DIG1_REGISTER_OFFSET, + NI_DIG2_REGISTER_OFFSET, + NI_DIG3_REGISTER_OFFSET, + NI_DIG4_REGISTER_OFFSET, + NI_DIG5_REGISTER_OFFSET +}; + +static const unsigned ni_tx_offsets[] = +{ + NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1, + NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1 +}; + +static const unsigned evergreen_dp_offsets[] = +{ + EVERGREEN_DP0_REGISTER_OFFSET, + EVERGREEN_DP1_REGISTER_OFFSET, + EVERGREEN_DP2_REGISTER_OFFSET, + EVERGREEN_DP3_REGISTER_OFFSET, + EVERGREEN_DP4_REGISTER_OFFSET, + EVERGREEN_DP5_REGISTER_OFFSET +}; + + +/* + * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc + * We go from crtc to connector and it is not relible since it + * should be an opposite direction .If crtc is enable then + * find the dig_fe which selects this crtc and insure that it enable. + * if such dig_fe is found then find dig_be which selects found dig_be and + * insure that it enable and in DP_SST mode. + * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing + * from dp symbols clocks . + */ +static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev, + unsigned crtc_id, unsigned *ret_dig_fe) +{ + unsigned i; + unsigned dig_fe; + unsigned dig_be; + unsigned dig_en_be; + unsigned uniphy_pll; + unsigned digs_fe_selected; + unsigned dig_be_mode; + unsigned dig_fe_mask; + bool is_enabled = false; + bool found_crtc = false; + + /* loop through all running dig_fe to find selected crtc */ + for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) { + dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]); + if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON && + crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) { + /* found running pipe */ + found_crtc = true; + dig_fe_mask = 1 << i; + dig_fe = i; + break; + } + } + + if (found_crtc) { + /* loop through all running dig_be to find selected dig_fe */ + for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) { + dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]); + /* if dig_fe_selected by dig_be? */ + digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be); + dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be); + if (dig_fe_mask & digs_fe_selected && + /* if dig_be in sst mode? */ + dig_be_mode == NI_DIG_BE_DPSST) { + dig_en_be = RREG32(NI_DIG_BE_EN_CNTL + + ni_dig_offsets[i]); + uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 + + ni_tx_offsets[i]); + /* dig_be enable and tx is running */ + if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE && + dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON && + uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) { + is_enabled = true; + *ret_dig_fe = dig_fe; + break; + } + } + } + } + + return is_enabled; +} + +/* + * Blank dig when in dp sst mode + * Dig ignores crtc timing + */ +static void evergreen_blank_dp_output(struct radeon_device *rdev, + unsigned dig_fe) +{ + unsigned stream_ctrl; + unsigned fifo_ctrl; + unsigned counter = 0; + + if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) { + DRM_ERROR("invalid dig_fe %d\n", dig_fe); + return; + } + + stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe]); + if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) { + DRM_ERROR("dig %d , should be enable\n", dig_fe); + return; + } + + stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE; + WREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe], stream_ctrl); + + stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe]); + while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) { + msleep(1); + counter++; + stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL + + evergreen_dp_offsets[dig_fe]); + } + if (counter >= 32 ) + DRM_ERROR("counter exceeds %d\n", counter); + + fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]); + fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET; + WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl); + +} + void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save) { u32 crtc_enabled, tmp, frame_count, blackout; int i, j; + unsigned dig_fe; if (!ASIC_IS_NODCE(rdev)) { save->vga_render_control = RREG32(VGA_RENDER_CONTROL); @@ -2651,7 +2793,17 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav break; udelay(1); } - + /*we should disable dig if it drives dp sst*/ + /*but we are in radeon_device_init and the topology is unknown*/ + /*and it is available after radeon_modeset_init*/ + /*the following method radeon_atom_encoder_dpms_dig*/ + /*does the job if we initialize it properly*/ + /*for now we do it this manually*/ + /**/ + if (ASIC_IS_DCE5(rdev) && + evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe)) + evergreen_blank_dp_output(rdev, dig_fe); + /*we could remove 6 lines below*/ /* XXX this is a hack to avoid strange behavior with EFI on certain systems */ WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h index aa939dfed3a3..b436badf9efa 100644 --- a/drivers/gpu/drm/radeon/evergreen_reg.h +++ b/drivers/gpu/drm/radeon/evergreen_reg.h @@ -250,8 +250,43 @@ /* HDMI blocks at 0x7030, 0x7c30, 0x10830, 0x11430, 0x12030, 0x12c30 */ #define EVERGREEN_HDMI_BASE 0x7030 +/*DIG block*/ +#define NI_DIG0_REGISTER_OFFSET (0x7000 - 0x7000) +#define NI_DIG1_REGISTER_OFFSET (0x7C00 - 0x7000) +#define NI_DIG2_REGISTER_OFFSET (0x10800 - 0x7000) +#define NI_DIG3_REGISTER_OFFSET (0x11400 - 0x7000) +#define NI_DIG4_REGISTER_OFFSET (0x12000 - 0x7000) +#define NI_DIG5_REGISTER_OFFSET (0x12C00 - 0x7000) + + +#define NI_DIG_FE_CNTL 0x7000 +# define NI_DIG_FE_CNTL_SOURCE_SELECT(x) ((x) & 0x3) +# define NI_DIG_FE_CNTL_SYMCLK_FE_ON (1<<24) + + +#define NI_DIG_BE_CNTL 0x7140 +# define NI_DIG_BE_CNTL_FE_SOURCE_SELECT(x) (((x) >> 8 ) & 0x3F) +# define NI_DIG_FE_CNTL_MODE(x) (((x) >> 16) & 0x7 ) + +#define NI_DIG_BE_EN_CNTL 0x7144 +# define NI_DIG_BE_EN_CNTL_ENABLE (1 << 0) +# define NI_DIG_BE_EN_CNTL_SYMBCLK_ON (1 << 8) +# define NI_DIG_BE_DPSST 0 /* Display Port block */ +#define EVERGREEN_DP0_REGISTER_OFFSET (0x730C - 0x730C) +#define EVERGREEN_DP1_REGISTER_OFFSET (0x7F0C - 0x730C) +#define EVERGREEN_DP2_REGISTER_OFFSET (0x10B0C - 0x730C) +#define EVERGREEN_DP3_REGISTER_OFFSET (0x1170C - 0x730C) +#define EVERGREEN_DP4_REGISTER_OFFSET (0x1230C - 0x730C) +#define EVERGREEN_DP5_REGISTER_OFFSET (0x12F0C - 0x730C) + + +#define EVERGREEN_DP_VID_STREAM_CNTL 0x730C +# define EVERGREEN_DP_VID_STREAM_CNTL_ENABLE (1 << 0) +# define EVERGREEN_DP_VID_STREAM_STATUS (1 <<16) +#define EVERGREEN_DP_STEER_FIFO 0x7310 +# define EVERGREEN_DP_STEER_FIFO_RESET (1 << 0) #define EVERGREEN_DP_SEC_CNTL 0x7280 # define EVERGREEN_DP_SEC_STREAM_ENABLE (1 << 0) # define EVERGREEN_DP_SEC_ASP_ENABLE (1 << 4) @@ -266,4 +301,15 @@ # define EVERGREEN_DP_SEC_N_BASE_MULTIPLE(x) (((x) & 0xf) << 24) # define EVERGREEN_DP_SEC_SS_EN (1 << 28) +/*DCIO_UNIPHY block*/ +#define NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1 (0x6600 -0x6600) +#define NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1 (0x6640 -0x6600) +#define NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1 (0x6680 - 0x6600) +#define NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1 (0x66C0 - 0x6600) +#define NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1 (0x6700 - 0x6600) +#define NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1 (0x6740 - 0x6600) + +#define NI_DCIO_UNIPHY0_PLL_CONTROL1 0x6618 +# define NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE (1 << 0) + #endif diff --git a/drivers/gpu/drm/radeon/ni_reg.h b/drivers/gpu/drm/radeon/ni_reg.h index da310a70c0f0..827ccc87cbc3 100644 --- a/drivers/gpu/drm/radeon/ni_reg.h +++ b/drivers/gpu/drm/radeon/ni_reg.h @@ -109,6 +109,8 @@ #define NI_DP_MSE_SAT2 0x7398 #define NI_DP_MSE_SAT_UPDATE 0x739c +# define NI_DP_MSE_SAT_UPDATE_MASK 0x3 +# define NI_DP_MSE_16_MTP_KEEPOUT 0x100 #define NI_DIG_BE_CNTL 0x7140 # define NI_DIG_FE_SOURCE_SELECT(x) (((x) & 0x7f) << 8) diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index fd8c4d317e60..95f4fea89302 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -62,10 +62,6 @@ bool radeon_has_atpx(void) { return radeon_atpx_priv.atpx_detected; } -bool radeon_has_atpx_dgpu_power_cntl(void) { - return radeon_atpx_priv.atpx.functions.power_cntl; -} - /** * radeon_atpx_call - call an ATPX method * @@ -145,6 +141,13 @@ static void radeon_atpx_parse_functions(struct radeon_atpx_functions *f, u32 mas */ static int radeon_atpx_validate(struct radeon_atpx *atpx) { + /* make sure required functions are enabled */ + /* dGPU power control is required */ + if (atpx->functions.power_cntl == false) { + printk("ATPX dGPU power cntl not present, forcing\n"); + atpx->functions.power_cntl = true; + } + if (atpx->functions.px_params) { union acpi_object *info; struct atpx_px_params output; diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cfcc099c537d..81a63d7f5cd9 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -2002,10 +2002,12 @@ radeon_add_atom_connector(struct drm_device *dev, rdev->mode_info.dither_property, RADEON_FMT_DITHER_DISABLE); - if (radeon_audio != 0) + if (radeon_audio != 0) { drm_object_attach_property(&radeon_connector->base.base, rdev->mode_info.audio_property, RADEON_AUDIO_AUTO); + radeon_connector->audio = RADEON_AUDIO_AUTO; + } if (ASIC_IS_DCE5(rdev)) drm_object_attach_property(&radeon_connector->base.base, rdev->mode_info.output_csc_property, @@ -2130,6 +2132,7 @@ radeon_add_atom_connector(struct drm_device *dev, drm_object_attach_property(&radeon_connector->base.base, rdev->mode_info.audio_property, RADEON_AUDIO_AUTO); + radeon_connector->audio = RADEON_AUDIO_AUTO; } if (connector_type == DRM_MODE_CONNECTOR_DVII) { radeon_connector->dac_load_detect = true; @@ -2185,6 +2188,7 @@ radeon_add_atom_connector(struct drm_device *dev, drm_object_attach_property(&radeon_connector->base.base, rdev->mode_info.audio_property, RADEON_AUDIO_AUTO); + radeon_connector->audio = RADEON_AUDIO_AUTO; } if (ASIC_IS_DCE5(rdev)) drm_object_attach_property(&radeon_connector->base.base, @@ -2237,6 +2241,7 @@ radeon_add_atom_connector(struct drm_device *dev, drm_object_attach_property(&radeon_connector->base.base, rdev->mode_info.audio_property, RADEON_AUDIO_AUTO); + radeon_connector->audio = RADEON_AUDIO_AUTO; } if (ASIC_IS_DCE5(rdev)) drm_object_attach_property(&radeon_connector->base.base, diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 4fd1a961012d..d0826fb0434c 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -103,12 +103,6 @@ static const char radeon_family_name[][16] = { "LAST", }; -#if defined(CONFIG_VGA_SWITCHEROO) -bool radeon_has_atpx_dgpu_power_cntl(void); -#else -static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; } -#endif - #define RADEON_PX_QUIRK_DISABLE_PX (1 << 0) #define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1) @@ -1305,9 +1299,9 @@ int radeon_device_init(struct radeon_device *rdev, } rdev->fence_context = fence_context_alloc(RADEON_NUM_RINGS); - DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X).\n", - radeon_family_name[rdev->family], pdev->vendor, pdev->device, - pdev->subsystem_vendor, pdev->subsystem_device); + DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n", + radeon_family_name[rdev->family], pdev->vendor, pdev->device, + pdev->subsystem_vendor, pdev->subsystem_device, pdev->revision); /* mutex initialization are all done here so we * can recall function without having locking issues */ @@ -1439,7 +1433,7 @@ int radeon_device_init(struct radeon_device *rdev, * ignore it */ vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode); - if ((rdev->flags & RADEON_IS_PX) && radeon_has_atpx_dgpu_power_cntl()) + if (rdev->flags & RADEON_IS_PX) runtime = true; vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, runtime); if (runtime) diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 43cffb526b0c..de504ea29c06 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -89,8 +89,16 @@ static int radeon_dp_mst_set_stream_attrib(struct radeon_encoder *primary, WREG32(NI_DP_MSE_SAT_UPDATE + primary->offset, 1); do { + unsigned value1, value2; + udelay(10); temp = RREG32(NI_DP_MSE_SAT_UPDATE + primary->offset); - } while ((temp & 0x1) && retries++ < 10000); + + value1 = temp & NI_DP_MSE_SAT_UPDATE_MASK; + value2 = temp & NI_DP_MSE_16_MTP_KEEPOUT; + + if (!value1 && !value2) + break; + } while (retries++ < 50); if (retries == 10000) DRM_ERROR("timed out waitin for SAT update %d\n", primary->offset); @@ -150,7 +158,7 @@ static int radeon_dp_mst_update_stream_attribs(struct radeon_connector *mst_conn return 0; } -static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, uint32_t x, uint32_t y) +static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, s64 avg_time_slots_per_mtp) { struct drm_device *dev = mst->base.dev; struct radeon_device *rdev = dev->dev_private; @@ -158,6 +166,8 @@ static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, uint32_t x, ui uint32_t val, temp; uint32_t offset = radeon_atom_set_enc_offset(mst_enc->fe); int retries = 0; + uint32_t x = drm_fixp2int(avg_time_slots_per_mtp); + uint32_t y = drm_fixp2int_ceil((avg_time_slots_per_mtp - x) << 26); val = NI_DP_MSE_RATE_X(x) | NI_DP_MSE_RATE_Y(y); @@ -165,6 +175,7 @@ static int radeon_dp_mst_set_vcp_size(struct radeon_encoder *mst, uint32_t x, ui do { temp = RREG32(NI_DP_MSE_RATE_UPDATE + offset); + udelay(10); } while ((temp & 0x1) && (retries++ < 10000)); if (retries >= 10000) @@ -246,14 +257,8 @@ radeon_dp_mst_connector_destroy(struct drm_connector *connector) kfree(radeon_connector); } -static int radeon_connector_dpms(struct drm_connector *connector, int mode) -{ - DRM_DEBUG_KMS("\n"); - return 0; -} - static const struct drm_connector_funcs radeon_dp_mst_connector_funcs = { - .dpms = radeon_connector_dpms, + .dpms = drm_helper_connector_dpms, .detect = radeon_dp_mst_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = radeon_dp_mst_connector_destroy, @@ -394,7 +399,7 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode) struct drm_crtc *crtc; struct radeon_crtc *radeon_crtc; int ret, slots; - + s64 fixed_pbn, fixed_pbn_per_slot, avg_time_slots_per_mtp; if (!ASIC_IS_DCE5(rdev)) { DRM_ERROR("got mst dpms on non-DCE5\n"); return; @@ -456,7 +461,11 @@ radeon_mst_encoder_dpms(struct drm_encoder *encoder, int mode) mst_enc->enc_active = true; radeon_dp_mst_update_stream_attribs(radeon_connector->mst_port, primary); - radeon_dp_mst_set_vcp_size(radeon_encoder, slots, 0); + + fixed_pbn = drm_int2fixp(mst_enc->pbn); + fixed_pbn_per_slot = drm_int2fixp(radeon_connector->mst_port->mst_mgr.pbn_div); + avg_time_slots_per_mtp = drm_fixp_div(fixed_pbn, fixed_pbn_per_slot); + radeon_dp_mst_set_vcp_size(radeon_encoder, avg_time_slots_per_mtp); atombios_dig_encoder_setup2(&primary->base, ATOM_ENCODER_CMD_DP_VIDEO_ON, 0, mst_enc->fe); diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index 979f3bf65f2c..1e9304d1c88f 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -291,6 +291,8 @@ int radeon_irq_kms_init(struct radeon_device *rdev) if (r) { return r; } + rdev->ddev->vblank_disable_allowed = true; + /* enable msi */ rdev->msi_enabled = 0; diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 24152dfef199..478d4099b0d0 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -331,13 +331,15 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) RADEON_CRTC_DISP_REQ_EN_B)); WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl)); } - drm_vblank_on(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_on(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - drm_vblank_off(dev, radeon_crtc->crtc_id); + if (dev->num_crtcs > radeon_crtc->crtc_id) + drm_vblank_off(dev, radeon_crtc->crtc_id); if (radeon_crtc->crtc_id) WREG32_P(RADEON_CRTC2_GEN_CNTL, mask, ~(RADEON_CRTC2_EN | mask)); else { diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index c008312e1bcd..90f739478a1b 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -235,6 +235,8 @@ static int radeon_verify_access(struct ttm_buffer_object *bo, struct file *filp) { struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo); + if (radeon_ttm_tt_has_userptr(bo->ttm)) + return -EPERM; return drm_vma_node_verify_access(&rbo->gem_base.vma_node, filp); } @@ -615,7 +617,7 @@ static void radeon_ttm_tt_unpin_userptr(struct ttm_tt *ttm) set_page_dirty(page); mark_page_accessed(page); - page_cache_release(page); + put_page(page); } sg_free_table(ttm->sg); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index af4df81c4e0c..e6abc09b67e3 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2931,6 +2931,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = { { PCI_VENDOR_ID_ATI, 0x6811, 0x1462, 0x2015, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x1043, 0x2015, 0, 120000 }, { PCI_VENDOR_ID_ATI, 0x6811, 0x148c, 0x2015, 0, 120000 }, + { PCI_VENDOR_ID_ATI, 0x6810, 0x1682, 0x9275, 0, 120000 }, { 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 4cbf26555093..e3daafa1be13 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -230,22 +230,13 @@ EXPORT_SYMBOL(ttm_bo_del_sub_from_lru); void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo) { - struct ttm_bo_device *bdev = bo->bdev; - struct ttm_mem_type_manager *man; + int put_count = 0; lockdep_assert_held(&bo->resv->lock.base); - if (bo->mem.placement & TTM_PL_FLAG_NO_EVICT) { - list_del_init(&bo->swap); - list_del_init(&bo->lru); - - } else { - if (bo->ttm && !(bo->ttm->page_flags & TTM_PAGE_FLAG_SG)) - list_move_tail(&bo->swap, &bo->glob->swap_lru); - - man = &bdev->man[bo->mem.mem_type]; - list_move_tail(&bo->lru, &man->lru); - } + put_count = ttm_bo_del_from_lru(bo); + ttm_bo_list_ref_sub(bo, put_count, true); + ttm_bo_add_to_lru(bo); } EXPORT_SYMBOL(ttm_bo_move_to_lru_tail); diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index 4e19d0f9cc30..077ae9b2865d 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -311,7 +311,7 @@ int ttm_tt_swapin(struct ttm_tt *ttm) goto out_err; copy_highpage(to_page, from_page); - page_cache_release(from_page); + put_page(from_page); } if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP)) @@ -361,7 +361,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage) copy_highpage(to_page, from_page); set_page_dirty(to_page); mark_page_accessed(to_page); - page_cache_release(to_page); + put_page(to_page); } ttm_tt_unpopulate(ttm); diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c index e797dfc07ae3..7e2a12c4fed2 100644 --- a/drivers/gpu/drm/via/via_dmablit.c +++ b/drivers/gpu/drm/via/via_dmablit.c @@ -188,7 +188,7 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg) if (NULL != (page = vsg->pages[i])) { if (!PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction)) SetPageDirty(page); - page_cache_release(page); + put_page(page); } } case dr_via_pages_alloc: diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 4854dac87e24..5fd1fd06effc 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -267,11 +267,23 @@ static int virtio_gpu_crtc_atomic_check(struct drm_crtc *crtc, return 0; } +static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc, + struct drm_crtc_state *old_state) +{ + unsigned long flags; + + spin_lock_irqsave(&crtc->dev->event_lock, flags); + if (crtc->state->event) + drm_crtc_send_vblank_event(crtc, crtc->state->event); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); +} + static const struct drm_crtc_helper_funcs virtio_gpu_crtc_helper_funcs = { .enable = virtio_gpu_crtc_enable, .disable = virtio_gpu_crtc_disable, .mode_set_nofb = virtio_gpu_crtc_mode_set_nofb, .atomic_check = virtio_gpu_crtc_atomic_check, + .atomic_flush = virtio_gpu_crtc_atomic_flush, }; static void virtio_gpu_enc_mode_set(struct drm_encoder *encoder, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 723ba16c6084..1a1a87cbf109 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -3293,19 +3293,19 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = { &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_QUERY, &vmw_cmd_dx_define_query, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_ok, + VMW_CMD_DEF(SVGA_3D_CMD_DX_DESTROY_QUERY, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_BIND_QUERY, &vmw_cmd_dx_bind_query, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_QUERY_OFFSET, - &vmw_cmd_ok, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_ok, + &vmw_cmd_dx_cid_check, true, false, true), + VMW_CMD_DEF(SVGA_3D_CMD_DX_BEGIN_QUERY, &vmw_cmd_dx_cid_check, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_ok, + VMW_CMD_DEF(SVGA_3D_CMD_DX_END_QUERY, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_READBACK_QUERY, &vmw_cmd_invalid, true, false, true), - VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_invalid, + VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_PREDICATION, &vmw_cmd_dx_cid_check, true, false, true), VMW_CMD_DEF(SVGA_3D_CMD_DX_SET_VIEWPORTS, &vmw_cmd_dx_cid_check, true, false, true), diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index 3b1faf7862a5..679a4cb98ee3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -573,9 +573,9 @@ static int vmw_fb_set_par(struct fb_info *info) mode = old_mode; old_mode = NULL; } else if (!vmw_kms_validate_mode_vram(vmw_priv, - mode->hdisplay * - (var->bits_per_pixel + 7) / 8, - mode->vdisplay)) { + mode->hdisplay * + DIV_ROUND_UP(var->bits_per_pixel, 8), + mode->vdisplay)) { drm_mode_destroy(vmw_priv->dev, mode); return -EINVAL; } diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index e00db3f510dd..abb98c77bad2 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -1068,7 +1068,6 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) goto err_register; } - pdev->dev.of_node = of_node; pdev->dev.parent = dev; ret = platform_device_add_data(pdev, ®->pdata, @@ -1079,6 +1078,12 @@ static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base) platform_device_put(pdev); goto err_register; } + + /* + * Set of_node only after calling platform_device_add. Otherwise + * the platform:imx-ipuv3-crtc modalias won't be used. + */ + pdev->dev.of_node = of_node; } return 0; diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c index 883a314cd83a..6494a4d28171 100644 --- a/drivers/gpu/ipu-v3/ipu-cpmem.c +++ b/drivers/gpu/ipu-v3/ipu-cpmem.c @@ -395,60 +395,48 @@ void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format) EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_interleaved); void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch, - u32 pixel_format, int stride, - int u_offset, int v_offset) + unsigned int uv_stride, + unsigned int u_offset, unsigned int v_offset) { - switch (pixel_format) { - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YUV422P: - ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, (stride / 2) - 1); - ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8); - ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_offset / 8); - break; - case V4L2_PIX_FMT_YVU420: - ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, (stride / 2) - 1); - ipu_ch_param_write_field(ch, IPU_FIELD_UBO, v_offset / 8); - ipu_ch_param_write_field(ch, IPU_FIELD_VBO, u_offset / 8); - break; - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV16: - ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, stride - 1); - ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8); - ipu_ch_param_write_field(ch, IPU_FIELD_VBO, u_offset / 8); - break; - } + ipu_ch_param_write_field(ch, IPU_FIELD_SLUV, uv_stride - 1); + ipu_ch_param_write_field(ch, IPU_FIELD_UBO, u_offset / 8); + ipu_ch_param_write_field(ch, IPU_FIELD_VBO, v_offset / 8); } EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_planar_full); void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch, u32 pixel_format, int stride, int height) { - int u_offset, v_offset; + int fourcc, u_offset, v_offset; int uv_stride = 0; - switch (pixel_format) { - case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: + fourcc = v4l2_pix_fmt_to_drm_fourcc(pixel_format); + switch (fourcc) { + case DRM_FORMAT_YUV420: uv_stride = stride / 2; u_offset = stride * height; v_offset = u_offset + (uv_stride * height / 2); - ipu_cpmem_set_yuv_planar_full(ch, pixel_format, stride, - u_offset, v_offset); break; - case V4L2_PIX_FMT_YUV422P: + case DRM_FORMAT_YVU420: + uv_stride = stride / 2; + v_offset = stride * height; + u_offset = v_offset + (uv_stride * height / 2); + break; + case DRM_FORMAT_YUV422: uv_stride = stride / 2; u_offset = stride * height; v_offset = u_offset + (uv_stride * height); - ipu_cpmem_set_yuv_planar_full(ch, pixel_format, stride, - u_offset, v_offset); break; - case V4L2_PIX_FMT_NV12: - case V4L2_PIX_FMT_NV16: + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV16: + uv_stride = stride; u_offset = stride * height; - ipu_cpmem_set_yuv_planar_full(ch, pixel_format, stride, - u_offset, 0); + v_offset = 0; break; + default: + return; } + ipu_cpmem_set_yuv_planar_full(ch, uv_stride, u_offset, v_offset); } EXPORT_SYMBOL_GPL(ipu_cpmem_set_yuv_planar); @@ -684,17 +672,25 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) switch (pix->pixelformat) { case V4L2_PIX_FMT_YUV420: - case V4L2_PIX_FMT_YVU420: offset = Y_OFFSET(pix, image->rect.left, image->rect.top); u_offset = U_OFFSET(pix, image->rect.left, image->rect.top) - offset; v_offset = V_OFFSET(pix, image->rect.left, image->rect.top) - offset; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2, u_offset, v_offset); break; + case V4L2_PIX_FMT_YVU420: + offset = Y_OFFSET(pix, image->rect.left, image->rect.top); + u_offset = U_OFFSET(pix, image->rect.left, + image->rect.top) - offset; + v_offset = V_OFFSET(pix, image->rect.left, + image->rect.top) - offset; + + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2, + v_offset, u_offset); + break; case V4L2_PIX_FMT_YUV422P: offset = Y_OFFSET(pix, image->rect.left, image->rect.top); u_offset = U2_OFFSET(pix, image->rect.left, @@ -702,8 +698,7 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) v_offset = V2_OFFSET(pix, image->rect.left, image->rect.top) - offset; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline / 2, u_offset, v_offset); break; case V4L2_PIX_FMT_NV12: @@ -712,8 +707,7 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) image->rect.top) - offset; v_offset = 0; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline, u_offset, v_offset); break; case V4L2_PIX_FMT_NV16: @@ -722,8 +716,7 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) image->rect.top) - offset; v_offset = 0; - ipu_cpmem_set_yuv_planar_full(ch, pix->pixelformat, - pix->bytesperline, + ipu_cpmem_set_yuv_planar_full(ch, pix->bytesperline, u_offset, v_offset); break; case V4L2_PIX_FMT_UYVY: diff --git a/drivers/gpu/ipu-v3/ipu-dmfc.c b/drivers/gpu/ipu-v3/ipu-dmfc.c index 042c3958e2a0..837b1ec22800 100644 --- a/drivers/gpu/ipu-v3/ipu-dmfc.c +++ b/drivers/gpu/ipu-v3/ipu-dmfc.c @@ -350,11 +350,13 @@ out: } EXPORT_SYMBOL_GPL(ipu_dmfc_alloc_bandwidth); -int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width) +void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width) { struct ipu_dmfc_priv *priv = dmfc->priv; u32 dmfc_gen1; + mutex_lock(&priv->mutex); + dmfc_gen1 = readl(priv->base + DMFC_GENERAL1); if ((dmfc->slots * 64 * 4) / width > dmfc->data->max_fifo_lines) @@ -364,9 +366,9 @@ int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width) writel(dmfc_gen1, priv->base + DMFC_GENERAL1); - return 0; + mutex_unlock(&priv->mutex); } -EXPORT_SYMBOL_GPL(ipu_dmfc_init_channel); +EXPORT_SYMBOL_GPL(ipu_dmfc_config_wait4eot); struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipu_channel) { diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index bdb8cc89cacc..4f9c5c6deaed 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1979,6 +1979,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 5c0e43ed5c53..0238f0169e48 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -259,6 +259,7 @@ #define USB_DEVICE_ID_CORSAIR_K90 0x1b02 #define USB_VENDOR_ID_CREATIVELABS 0x041e +#define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c #define USB_DEVICE_ID_PRODIKEYS_PCMIDI 0x2801 #define USB_VENDOR_ID_CVTOUCH 0x1ff7 @@ -676,6 +677,7 @@ #define USB_DEVICE_ID_SIDEWINDER_GV 0x003b #define USB_DEVICE_ID_MS_OFFICE_KB 0x0048 #define USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0 0x009d +#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K 0x00b4 #define USB_DEVICE_ID_MS_NE4K 0x00db #define USB_DEVICE_ID_MS_NE4K_JP 0x00dc #define USB_DEVICE_ID_MS_LK6K 0x00f9 @@ -683,6 +685,8 @@ #define USB_DEVICE_ID_MS_PRESENTER_8K_USB 0x0713 #define USB_DEVICE_ID_MS_NE7K 0x071d #define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K 0x0730 +#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1 0x0732 +#define USB_DEVICE_ID_MS_DIGITAL_MEDIA_600 0x0750 #define USB_DEVICE_ID_MS_COMFORT_MOUSE_4500 0x076c #define USB_DEVICE_ID_MS_COMFORT_KEYBOARD 0x00e3 #define USB_DEVICE_ID_MS_SURFACE_PRO_2 0x0799 diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index 0125e356bd8d..1ac4ff4d57a6 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -184,21 +184,31 @@ static int lenovo_send_cmd_cptkbd(struct hid_device *hdev, unsigned char byte2, unsigned char byte3) { int ret; - unsigned char buf[] = {0x18, byte2, byte3}; + unsigned char *buf; + + buf = kzalloc(3, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = 0x18; + buf[1] = byte2; + buf[2] = byte3; switch (hdev->product) { case USB_DEVICE_ID_LENOVO_CUSBKBD: - ret = hid_hw_raw_request(hdev, 0x13, buf, sizeof(buf), + ret = hid_hw_raw_request(hdev, 0x13, buf, 3, HID_FEATURE_REPORT, HID_REQ_SET_REPORT); break; case USB_DEVICE_ID_LENOVO_CBTKBD: - ret = hid_hw_output_report(hdev, buf, sizeof(buf)); + ret = hid_hw_output_report(hdev, buf, 3); break; default: ret = -EINVAL; break; } + kfree(buf); + return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */ } diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 75cd3bc59c54..e924d555536c 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -272,6 +272,12 @@ static const struct hid_device_id ms_devices[] = { .driver_data = MS_PRESENTER }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K), .driver_data = MS_ERGONOMY | MS_RDESC_3K }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600), + .driver_data = MS_ERGONOMY }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1), + .driver_data = MS_ERGONOMY }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), .driver_data = MS_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 25d3c4330bf6..c741f5e50a66 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1169,6 +1169,7 @@ static void mt_release_contacts(struct hid_device *hid) MT_TOOL_FINGER, false); } + input_mt_sync_frame(input_dev); input_sync(input_dev); } } diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c index 4390eee2ce84..c830ed39348f 100644 --- a/drivers/hid/hid-wiimote-modules.c +++ b/drivers/hid/hid-wiimote-modules.c @@ -2049,9 +2049,11 @@ static void wiimod_mp_in_mp(struct wiimote_data *wdata, const __u8 *ext) * -----+------------------------------+-----+-----+ * The single bits Yaw, Roll, Pitch in the lower right corner specify * whether the wiimote is rotating fast (0) or slow (1). Speed for slow - * roation is 440 deg/s and for fast rotation 2000 deg/s. To get a - * linear scale we multiply by 2000/440 = ~4.5454 which is 18 for fast - * and 9 for slow. + * roation is 8192/440 units / deg/s and for fast rotation 8192/2000 + * units / deg/s. To get a linear scale for fast rotation we multiply + * by 2000/440 = ~4.5454 and scale both fast and slow by 9 to match the + * previous scale reported by this driver. + * This leaves a linear scale with 8192*9/440 (~167.564) units / deg/s. * If the wiimote is not rotating the sensor reports 2^13 = 8192. * Ext specifies whether an extension is connected to the motionp. * which is parsed by wiimote-core. @@ -2070,15 +2072,15 @@ static void wiimod_mp_in_mp(struct wiimote_data *wdata, const __u8 *ext) z -= 8192; if (!(ext[3] & 0x02)) - x *= 18; + x = (x * 2000 * 9) / 440; else x *= 9; if (!(ext[4] & 0x02)) - y *= 18; + y = (y * 2000 * 9) / 440; else y *= 9; if (!(ext[3] & 0x01)) - z *= 18; + z = (z * 2000 * 9) / 440; else z *= 9; diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index ad71160b9ea4..ae83af649a60 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -951,14 +951,6 @@ static int usbhid_output_report(struct hid_device *hid, __u8 *buf, size_t count) return ret; } -static void usbhid_restart_queues(struct usbhid_device *usbhid) -{ - if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)) - usbhid_restart_out_queue(usbhid); - if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) - usbhid_restart_ctrl_queue(usbhid); -} - static void hid_free_buffers(struct usb_device *dev, struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; @@ -1404,6 +1396,37 @@ static void hid_cease_io(struct usbhid_device *usbhid) usb_kill_urb(usbhid->urbout); } +static void hid_restart_io(struct hid_device *hid) +{ + struct usbhid_device *usbhid = hid->driver_data; + int clear_halt = test_bit(HID_CLEAR_HALT, &usbhid->iofl); + int reset_pending = test_bit(HID_RESET_PENDING, &usbhid->iofl); + + spin_lock_irq(&usbhid->lock); + clear_bit(HID_SUSPENDED, &usbhid->iofl); + usbhid_mark_busy(usbhid); + + if (clear_halt || reset_pending) + schedule_work(&usbhid->reset_work); + usbhid->retry_delay = 0; + spin_unlock_irq(&usbhid->lock); + + if (reset_pending || !test_bit(HID_STARTED, &usbhid->iofl)) + return; + + if (!clear_halt) { + if (hid_start_in(hid) < 0) + hid_io_error(hid); + } + + spin_lock_irq(&usbhid->lock); + if (usbhid->urbout && !test_bit(HID_OUT_RUNNING, &usbhid->iofl)) + usbhid_restart_out_queue(usbhid); + if (!test_bit(HID_CTRL_RUNNING, &usbhid->iofl)) + usbhid_restart_ctrl_queue(usbhid); + spin_unlock_irq(&usbhid->lock); +} + /* Treat USB reset pretty much the same as suspend/resume */ static int hid_pre_reset(struct usb_interface *intf) { @@ -1453,14 +1476,14 @@ static int hid_post_reset(struct usb_interface *intf) return 1; } + /* No need to do another reset or clear a halted endpoint */ spin_lock_irq(&usbhid->lock); clear_bit(HID_RESET_PENDING, &usbhid->iofl); + clear_bit(HID_CLEAR_HALT, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); hid_set_idle(dev, intf->cur_altsetting->desc.bInterfaceNumber, 0, 0); - status = hid_start_in(hid); - if (status < 0) - hid_io_error(hid); - usbhid_restart_queues(usbhid); + + hid_restart_io(hid); return 0; } @@ -1483,25 +1506,9 @@ void usbhid_put_power(struct hid_device *hid) #ifdef CONFIG_PM static int hid_resume_common(struct hid_device *hid, bool driver_suspended) { - struct usbhid_device *usbhid = hid->driver_data; - int status; - - spin_lock_irq(&usbhid->lock); - clear_bit(HID_SUSPENDED, &usbhid->iofl); - usbhid_mark_busy(usbhid); - - if (test_bit(HID_CLEAR_HALT, &usbhid->iofl) || - test_bit(HID_RESET_PENDING, &usbhid->iofl)) - schedule_work(&usbhid->reset_work); - usbhid->retry_delay = 0; - - usbhid_restart_queues(usbhid); - spin_unlock_irq(&usbhid->lock); - - status = hid_start_in(hid); - if (status < 0) - hid_io_error(hid); + int status = 0; + hid_restart_io(hid); if (driver_suspended && hid->driver && hid->driver->resume) status = hid->driver->resume(hid); return status; @@ -1570,12 +1577,8 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message) static int hid_resume(struct usb_interface *intf) { struct hid_device *hid = usb_get_intfdata (intf); - struct usbhid_device *usbhid = hid->driver_data; int status; - if (!test_bit(HID_STARTED, &usbhid->iofl)) - return 0; - status = hid_resume_common(hid, true); dev_dbg(&intf->dev, "resume status %d\n", status); return 0; @@ -1584,10 +1587,8 @@ static int hid_resume(struct usb_interface *intf) static int hid_reset_resume(struct usb_interface *intf) { struct hid_device *hid = usb_get_intfdata(intf); - struct usbhid_device *usbhid = hid->driver_data; int status; - clear_bit(HID_SUSPENDED, &usbhid->iofl); status = hid_post_reset(intf); if (status >= 0 && hid->driver && hid->driver->reset_resume) { int ret = hid->driver->reset_resume(hid); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index ed2f68edc8f1..53fc856d6867 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -71,6 +71,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_3AXIS_5BUTTON_STICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_AXIS_295, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL }, diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 68a560957871..ccf1883318c3 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -152,6 +152,25 @@ static void wacom_feature_mapping(struct hid_device *hdev, hid_data->inputmode = field->report->id; hid_data->inputmode_index = usage->usage_index; break; + + case HID_UP_DIGITIZER: + if (field->report->id == 0x0B && + (field->application == WACOM_G9_DIGITIZER || + field->application == WACOM_G11_DIGITIZER)) { + wacom->wacom_wac.mode_report = field->report->id; + wacom->wacom_wac.mode_value = 0; + } + break; + + case WACOM_G9_PAGE: + case WACOM_G11_PAGE: + if (field->report->id == 0x03 && + (field->application == WACOM_G9_TOUCHSCREEN || + field->application == WACOM_G11_TOUCHSCREEN)) { + wacom->wacom_wac.mode_report = field->report->id; + wacom->wacom_wac.mode_value = 0; + } + break; } } @@ -322,26 +341,41 @@ static int wacom_hid_set_device_mode(struct hid_device *hdev) return 0; } -static int wacom_set_device_mode(struct hid_device *hdev, int report_id, - int length, int mode) +static int wacom_set_device_mode(struct hid_device *hdev, + struct wacom_wac *wacom_wac) { - unsigned char *rep_data; + u8 *rep_data; + struct hid_report *r; + struct hid_report_enum *re; + int length; int error = -ENOMEM, limit = 0; - rep_data = kzalloc(length, GFP_KERNEL); + if (wacom_wac->mode_report < 0) + return 0; + + re = &(hdev->report_enum[HID_FEATURE_REPORT]); + r = re->report_id_hash[wacom_wac->mode_report]; + if (!r) + return -EINVAL; + + rep_data = hid_alloc_report_buf(r, GFP_KERNEL); if (!rep_data) - return error; + return -ENOMEM; + + length = hid_report_len(r); do { - rep_data[0] = report_id; - rep_data[1] = mode; + rep_data[0] = wacom_wac->mode_report; + rep_data[1] = wacom_wac->mode_value; error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, length, 1); if (error >= 0) error = wacom_get_report(hdev, HID_FEATURE_REPORT, rep_data, length, 1); - } while (error >= 0 && rep_data[1] != mode && limit++ < WAC_MSG_RETRIES); + } while (error >= 0 && + rep_data[1] != wacom_wac->mode_report && + limit++ < WAC_MSG_RETRIES); kfree(rep_data); @@ -411,32 +445,41 @@ static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed, static int wacom_query_tablet_data(struct hid_device *hdev, struct wacom_features *features) { + struct wacom *wacom = hid_get_drvdata(hdev); + struct wacom_wac *wacom_wac = &wacom->wacom_wac; + if (hdev->bus == BUS_BLUETOOTH) return wacom_bt_query_tablet_data(hdev, 1, features); - if (features->type == HID_GENERIC) - return wacom_hid_set_device_mode(hdev); - - if (features->device_type & WACOM_DEVICETYPE_TOUCH) { - if (features->type > TABLETPC) { - /* MT Tablet PC touch */ - return wacom_set_device_mode(hdev, 3, 4, 4); - } - else if (features->type == WACOM_24HDT) { - return wacom_set_device_mode(hdev, 18, 3, 2); - } - else if (features->type == WACOM_27QHDT) { - return wacom_set_device_mode(hdev, 131, 3, 2); - } - else if (features->type == BAMBOO_PAD) { - return wacom_set_device_mode(hdev, 2, 2, 2); - } - } else if (features->device_type & WACOM_DEVICETYPE_PEN) { - if (features->type <= BAMBOO_PT) { - return wacom_set_device_mode(hdev, 2, 2, 2); + if (features->type != HID_GENERIC) { + if (features->device_type & WACOM_DEVICETYPE_TOUCH) { + if (features->type > TABLETPC) { + /* MT Tablet PC touch */ + wacom_wac->mode_report = 3; + wacom_wac->mode_value = 4; + } else if (features->type == WACOM_24HDT) { + wacom_wac->mode_report = 18; + wacom_wac->mode_value = 2; + } else if (features->type == WACOM_27QHDT) { + wacom_wac->mode_report = 131; + wacom_wac->mode_value = 2; + } else if (features->type == BAMBOO_PAD) { + wacom_wac->mode_report = 2; + wacom_wac->mode_value = 2; + } + } else if (features->device_type & WACOM_DEVICETYPE_PEN) { + if (features->type <= BAMBOO_PT) { + wacom_wac->mode_report = 2; + wacom_wac->mode_value = 2; + } } } + wacom_set_device_mode(hdev, wacom_wac); + + if (features->type == HID_GENERIC) + return wacom_hid_set_device_mode(hdev); + return 0; } @@ -1817,6 +1860,9 @@ static int wacom_probe(struct hid_device *hdev, goto fail_type; } + wacom_wac->hid_data.inputmode = -1; + wacom_wac->mode_report = -1; + wacom->usbdev = dev; wacom->intf = intf; mutex_init(&wacom->lock); diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index bd198bbd4df0..cf2ba43453fd 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -684,6 +684,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]); + wacom->shared->stylus_in_proximity = true; return 1; } @@ -2426,6 +2427,17 @@ void wacom_setup_device_quirks(struct wacom *wacom) } /* + * Hack for the Bamboo One: + * the device presents a PAD/Touch interface as most Bamboos and even + * sends ghosts PAD data on it. However, later, we must disable this + * ghost interface, and we can not detect it unless we set it here + * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH. + */ + if (features->type == BAMBOO_PEN && + features->pktlen == WACOM_PKGLEN_BBTOUCH3) + features->device_type |= WACOM_DEVICETYPE_PAD; + + /* * Raw Wacom-mode pen and touch events both come from interface * 0, whose HID descriptor has an application usage of 0xFF0D * (i.e., WACOM_VENDORDEFINED_PEN). We route pen packets back @@ -3384,6 +3396,10 @@ static const struct wacom_features wacom_features_0x33E = { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63, INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16, .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE }; +static const struct wacom_features wacom_features_0x343 = + { "Wacom DTK1651", 34616, 19559, 1023, 0, + DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4, + WACOM_DTU_OFFSET, WACOM_DTU_OFFSET }; static const struct wacom_features wacom_features_HID_ANY_ID = { "Wacom HID", .type = HID_GENERIC }; @@ -3549,6 +3565,7 @@ const struct hid_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0x33C) }, { USB_DEVICE_WACOM(0x33D) }, { USB_DEVICE_WACOM(0x33E) }, + { USB_DEVICE_WACOM(0x343) }, { USB_DEVICE_WACOM(0x4001) }, { USB_DEVICE_WACOM(0x4004) }, { USB_DEVICE_WACOM(0x5000) }, diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h index 25baa7f29599..e2084d914c14 100644 --- a/drivers/hid/wacom_wac.h +++ b/drivers/hid/wacom_wac.h @@ -84,6 +84,12 @@ #define WACOM_DEVICETYPE_WL_MONITOR 0x0008 #define WACOM_VENDORDEFINED_PEN 0xff0d0001 +#define WACOM_G9_PAGE 0xff090000 +#define WACOM_G9_DIGITIZER (WACOM_G9_PAGE | 0x02) +#define WACOM_G9_TOUCHSCREEN (WACOM_G9_PAGE | 0x11) +#define WACOM_G11_PAGE 0xff110000 +#define WACOM_G11_DIGITIZER (WACOM_G11_PAGE | 0x02) +#define WACOM_G11_TOUCHSCREEN (WACOM_G11_PAGE | 0x11) #define WACOM_PEN_FIELD(f) (((f)->logical == HID_DG_STYLUS) || \ ((f)->physical == HID_DG_STYLUS) || \ @@ -238,6 +244,8 @@ struct wacom_wac { int ps_connected; u8 bt_features; u8 bt_high_speed; + int mode_report; + int mode_value; struct hid_data hid_data; }; diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 5613e2b5cff7..a40a73a7b71d 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -103,15 +103,29 @@ static bool hv_need_to_signal(u32 old_write, struct hv_ring_buffer_info *rbi) * there is room for the producer to send the pending packet. */ -static bool hv_need_to_signal_on_read(u32 prev_write_sz, - struct hv_ring_buffer_info *rbi) +static bool hv_need_to_signal_on_read(struct hv_ring_buffer_info *rbi) { u32 cur_write_sz; u32 r_size; - u32 write_loc = rbi->ring_buffer->write_index; + u32 write_loc; u32 read_loc = rbi->ring_buffer->read_index; - u32 pending_sz = rbi->ring_buffer->pending_send_sz; + u32 pending_sz; + /* + * Issue a full memory barrier before making the signaling decision. + * Here is the reason for having this barrier: + * If the reading of the pend_sz (in this function) + * were to be reordered and read before we commit the new read + * index (in the calling function) we could + * have a problem. If the host were to set the pending_sz after we + * have sampled pending_sz and go to sleep before we commit the + * read index, we could miss sending the interrupt. Issue a full + * memory barrier to address this. + */ + mb(); + + pending_sz = rbi->ring_buffer->pending_send_sz; + write_loc = rbi->ring_buffer->write_index; /* If the other end is not blocked on write don't bother. */ if (pending_sz == 0) return false; @@ -120,7 +134,7 @@ static bool hv_need_to_signal_on_read(u32 prev_write_sz, cur_write_sz = write_loc >= read_loc ? r_size - (write_loc - read_loc) : read_loc - write_loc; - if ((prev_write_sz < pending_sz) && (cur_write_sz >= pending_sz)) + if (cur_write_sz >= pending_sz) return true; return false; @@ -455,7 +469,7 @@ int hv_ringbuffer_read(struct hv_ring_buffer_info *inring_info, /* Update the read index */ hv_set_next_read_location(inring_info, next_read_location); - *signal = hv_need_to_signal_on_read(bytes_avail_towrite, inring_info); + *signal = hv_need_to_signal_on_read(inring_info); return ret; } diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index faa8e6821fea..0967e1a5b3a2 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -975,10 +975,10 @@ config I2C_XLR config I2C_XLP9XX tristate "XLP9XX I2C support" - depends on CPU_XLP || COMPILE_TEST + depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST help This driver enables support for the on-chip I2C interface of - the Broadcom XLP9xx/XLP5xx MIPS processors. + the Broadcom XLP9xx/XLP5xx MIPS and Vulcan ARM64 processors. This driver can also be built as a module. If so, the module will be called i2c-xlp9xx. diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index 714bdc837769..b167ab25310a 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -116,8 +116,8 @@ struct cpm_i2c { cbd_t __iomem *rbase; u_char *txbuf[CPM_MAXBD]; u_char *rxbuf[CPM_MAXBD]; - u32 txdma[CPM_MAXBD]; - u32 rxdma[CPM_MAXBD]; + dma_addr_t txdma[CPM_MAXBD]; + dma_addr_t rxdma[CPM_MAXBD]; }; static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id) diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c index b29c7500461a..f54ece8fce78 100644 --- a/drivers/i2c/busses/i2c-exynos5.c +++ b/drivers/i2c/busses/i2c-exynos5.c @@ -671,7 +671,9 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap, return -EIO; } - clk_prepare_enable(i2c->clk); + ret = clk_enable(i2c->clk); + if (ret) + return ret; for (i = 0; i < num; i++, msgs++) { stop = (i == num - 1); @@ -695,7 +697,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap, } out: - clk_disable_unprepare(i2c->clk); + clk_disable(i2c->clk); return ret; } @@ -747,7 +749,9 @@ static int exynos5_i2c_probe(struct platform_device *pdev) return -ENOENT; } - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) + return ret; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); i2c->regs = devm_ioremap_resource(&pdev->dev, mem); @@ -799,6 +803,10 @@ static int exynos5_i2c_probe(struct platform_device *pdev) platform_set_drvdata(pdev, i2c); + clk_disable(i2c->clk); + + return 0; + err_clk: clk_disable_unprepare(i2c->clk); return ret; @@ -810,6 +818,8 @@ static int exynos5_i2c_remove(struct platform_device *pdev) i2c_del_adapter(&i2c->adap); + clk_unprepare(i2c->clk); + return 0; } @@ -821,6 +831,8 @@ static int exynos5_i2c_suspend_noirq(struct device *dev) i2c->suspended = 1; + clk_unprepare(i2c->clk); + return 0; } @@ -830,7 +842,9 @@ static int exynos5_i2c_resume_noirq(struct device *dev) struct exynos5_i2c *i2c = platform_get_drvdata(pdev); int ret = 0; - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) + return ret; ret = exynos5_hsi2c_clock_setup(i2c); if (ret) { @@ -839,7 +853,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev) } exynos5_i2c_init(i2c); - clk_disable_unprepare(i2c->clk); + clk_disable(i2c->clk); i2c->suspended = 0; return 0; diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 7ba795b24e75..1c8707710098 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -75,6 +75,7 @@ /* PCI DIDs for the Intel SMBus Message Transport (SMT) Devices */ #define PCI_DEVICE_ID_INTEL_S1200_SMT0 0x0c59 #define PCI_DEVICE_ID_INTEL_S1200_SMT1 0x0c5a +#define PCI_DEVICE_ID_INTEL_DNV_SMT 0x19ac #define PCI_DEVICE_ID_INTEL_AVOTON_SMT 0x1f15 #define ISMT_DESC_ENTRIES 2 /* number of descriptor entries */ @@ -180,6 +181,7 @@ struct ismt_priv { static const struct pci_device_id ismt_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT0) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_S1200_SMT1) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMT) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AVOTON_SMT) }, { 0, } }; diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c index f325663c27c5..ba14a863b451 100644 --- a/drivers/i2c/busses/i2c-jz4780.c +++ b/drivers/i2c/busses/i2c-jz4780.c @@ -771,11 +771,16 @@ static int jz4780_i2c_probe(struct platform_device *pdev) ret = of_property_read_u32(pdev->dev.of_node, "clock-frequency", &clk_freq); if (ret) { - dev_err(&pdev->dev, "clock-frequency not specified in DT"); + dev_err(&pdev->dev, "clock-frequency not specified in DT\n"); goto err; } i2c->speed = clk_freq / 1000; + if (i2c->speed == 0) { + ret = -EINVAL; + dev_err(&pdev->dev, "clock-frequency minimum is 1000\n"); + goto err; + } jz4780_i2c_set_speed(i2c); dev_info(&pdev->dev, "Bus frequency is %d KHz\n", i2c->speed); diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 9096d17beb5b..3dcc5f3f26cb 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -855,6 +855,7 @@ static struct rk3x_i2c_soc_data soc_data[3] = { static const struct of_device_id rk3x_i2c_match[] = { { .compatible = "rockchip,rk3066-i2c", .data = (void *)&soc_data[0] }, { .compatible = "rockchip,rk3188-i2c", .data = (void *)&soc_data[1] }, + { .compatible = "rockchip,rk3228-i2c", .data = (void *)&soc_data[2] }, { .compatible = "rockchip,rk3288-i2c", .data = (void *)&soc_data[2] }, {}, }; diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 0f2f8484e8ec..e584d88ee337 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -525,22 +525,16 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) return 0; } - -/* uevent helps with hotplug: modprobe -q $(MODALIAS) */ static int i2c_device_uevent(struct device *dev, struct kobj_uevent_env *env) { - struct i2c_client *client = to_i2c_client(dev); + struct i2c_client *client = to_i2c_client(dev); int rc; rc = acpi_device_uevent_modalias(dev, env); if (rc != -ENODEV) return rc; - if (add_uevent_var(env, "MODALIAS=%s%s", - I2C_MODULE_PREFIX, client->name)) - return -ENOMEM; - dev_dbg(dev, "uevent\n"); - return 0; + return add_uevent_var(env, "MODALIAS=%s%s", I2C_MODULE_PREFIX, client->name); } /* i2c bus recovery routines */ diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 7748a0a5ddb9..8de073aed001 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -140,22 +140,34 @@ static int i2c_demux_change_master(struct i2c_demux_pinctrl_priv *priv, u32 new_ return i2c_demux_activate_master(priv, new_chan); } -static ssize_t cur_master_show(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t available_masters_show(struct device *dev, + struct device_attribute *attr, + char *buf) { struct i2c_demux_pinctrl_priv *priv = dev_get_drvdata(dev); int count = 0, i; for (i = 0; i < priv->num_chan && count < PAGE_SIZE; i++) - count += scnprintf(buf + count, PAGE_SIZE - count, "%c %d - %s\n", - i == priv->cur_chan ? '*' : ' ', i, - priv->chan[i].parent_np->full_name); + count += scnprintf(buf + count, PAGE_SIZE - count, "%d:%s%c", + i, priv->chan[i].parent_np->full_name, + i == priv->num_chan - 1 ? '\n' : ' '); return count; } +static DEVICE_ATTR_RO(available_masters); -static ssize_t cur_master_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t current_master_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct i2c_demux_pinctrl_priv *priv = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", priv->cur_chan); +} + +static ssize_t current_master_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct i2c_demux_pinctrl_priv *priv = dev_get_drvdata(dev); unsigned int val; @@ -172,7 +184,7 @@ static ssize_t cur_master_store(struct device *dev, struct device_attribute *att return ret < 0 ? ret : count; } -static DEVICE_ATTR_RW(cur_master); +static DEVICE_ATTR_RW(current_master); static int i2c_demux_pinctrl_probe(struct platform_device *pdev) { @@ -218,12 +230,18 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev) /* switch to first parent as active master */ i2c_demux_activate_master(priv, 0); - err = device_create_file(&pdev->dev, &dev_attr_cur_master); + err = device_create_file(&pdev->dev, &dev_attr_available_masters); if (err) goto err_rollback; + err = device_create_file(&pdev->dev, &dev_attr_current_master); + if (err) + goto err_rollback_available; + return 0; +err_rollback_available: + device_remove_file(&pdev->dev, &dev_attr_available_masters); err_rollback: for (j = 0; j < i; j++) { of_node_put(priv->chan[j].parent_np); @@ -238,7 +256,8 @@ static int i2c_demux_pinctrl_remove(struct platform_device *pdev) struct i2c_demux_pinctrl_priv *priv = platform_get_drvdata(pdev); int i; - device_remove_file(&pdev->dev, &dev_attr_cur_master); + device_remove_file(&pdev->dev, &dev_attr_current_master); + device_remove_file(&pdev->dev, &dev_attr_available_masters); i2c_demux_deactivate_master(priv); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index ba947df5a8c7..c6935de425fa 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -660,6 +660,35 @@ static struct cpuidle_state skl_cstates[] = { .enter = NULL } }; +static struct cpuidle_state skx_cstates[] = { + { + .name = "C1-SKX", + .desc = "MWAIT 0x00", + .flags = MWAIT2flg(0x00), + .exit_latency = 2, + .target_residency = 2, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C1E-SKX", + .desc = "MWAIT 0x01", + .flags = MWAIT2flg(0x01), + .exit_latency = 10, + .target_residency = 20, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .name = "C6-SKX", + .desc = "MWAIT 0x20", + .flags = MWAIT2flg(0x20) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency = 133, + .target_residency = 600, + .enter = &intel_idle, + .enter_freeze = intel_idle_freeze, }, + { + .enter = NULL } +}; + static struct cpuidle_state atom_cstates[] = { { .name = "C1E-ATM", @@ -818,8 +847,11 @@ static int cpu_hotplug_notify(struct notifier_block *n, * driver in this case */ dev = per_cpu_ptr(intel_idle_cpuidle_devices, hotcpu); - if (!dev->registered) - intel_idle_cpu_init(hotcpu); + if (dev->registered) + break; + + if (intel_idle_cpu_init(hotcpu)) + return NOTIFY_BAD; break; } @@ -904,6 +936,10 @@ static const struct idle_cpu idle_cpu_skl = { .disable_promotion_to_c1e = true, }; +static const struct idle_cpu idle_cpu_skx = { + .state_table = skx_cstates, + .disable_promotion_to_c1e = true, +}; static const struct idle_cpu idle_cpu_avn = { .state_table = avn_cstates, @@ -945,6 +981,9 @@ static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(0x56, idle_cpu_bdw), ICPU(0x4e, idle_cpu_skl), ICPU(0x5e, idle_cpu_skl), + ICPU(0x8e, idle_cpu_skl), + ICPU(0x9e, idle_cpu_skl), + ICPU(0x55, idle_cpu_skx), ICPU(0x57, idle_cpu_knl), {} }; @@ -987,22 +1026,15 @@ static int __init intel_idle_probe(void) icpu = (const struct idle_cpu *)id->driver_data; cpuidle_state_table = icpu->state_table; - if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ - lapic_timer_reliable_states = LAPIC_TIMER_ALWAYS_RELIABLE; - else - on_each_cpu(__setup_broadcast_timer, (void *)true, 1); - pr_debug(PREFIX "v" INTEL_IDLE_VERSION " model 0x%X\n", boot_cpu_data.x86_model); - pr_debug(PREFIX "lapic_timer_reliable_states 0x%x\n", - lapic_timer_reliable_states); return 0; } /* * intel_idle_cpuidle_devices_uninit() - * unregister, free cpuidle_devices + * Unregisters the cpuidle devices. */ static void intel_idle_cpuidle_devices_uninit(void) { @@ -1013,9 +1045,6 @@ static void intel_idle_cpuidle_devices_uninit(void) dev = per_cpu_ptr(intel_idle_cpuidle_devices, i); cpuidle_unregister_device(dev); } - - free_percpu(intel_idle_cpuidle_devices); - return; } /* @@ -1111,7 +1140,7 @@ static void intel_idle_state_table_update(void) * intel_idle_cpuidle_driver_init() * allocate, initialize cpuidle_states */ -static int __init intel_idle_cpuidle_driver_init(void) +static void __init intel_idle_cpuidle_driver_init(void) { int cstate; struct cpuidle_driver *drv = &intel_idle_driver; @@ -1163,18 +1192,10 @@ static int __init intel_idle_cpuidle_driver_init(void) drv->state_count += 1; } - if (icpu->auto_demotion_disable_flags) - on_each_cpu(auto_demotion_disable, NULL, 1); - if (icpu->byt_auto_demotion_disable_flag) { wrmsrl(MSR_CC6_DEMOTION_POLICY_CONFIG, 0); wrmsrl(MSR_MC6_DEMOTION_POLICY_CONFIG, 0); } - - if (icpu->disable_promotion_to_c1e) /* each-cpu is redundant */ - on_each_cpu(c1e_promotion_disable, NULL, 1); - - return 0; } @@ -1193,7 +1214,6 @@ static int intel_idle_cpu_init(int cpu) if (cpuidle_register_device(dev)) { pr_debug(PREFIX "cpuidle_register_device %d failed!\n", cpu); - intel_idle_cpuidle_devices_uninit(); return -EIO; } @@ -1218,40 +1238,51 @@ static int __init intel_idle_init(void) if (retval) return retval; + intel_idle_cpuidle_devices = alloc_percpu(struct cpuidle_device); + if (intel_idle_cpuidle_devices == NULL) + return -ENOMEM; + intel_idle_cpuidle_driver_init(); retval = cpuidle_register_driver(&intel_idle_driver); if (retval) { struct cpuidle_driver *drv = cpuidle_get_driver(); printk(KERN_DEBUG PREFIX "intel_idle yielding to %s", drv ? drv->name : "none"); + free_percpu(intel_idle_cpuidle_devices); return retval; } - intel_idle_cpuidle_devices = alloc_percpu(struct cpuidle_device); - if (intel_idle_cpuidle_devices == NULL) - return -ENOMEM; - cpu_notifier_register_begin(); for_each_online_cpu(i) { retval = intel_idle_cpu_init(i); if (retval) { + intel_idle_cpuidle_devices_uninit(); cpu_notifier_register_done(); cpuidle_unregister_driver(&intel_idle_driver); + free_percpu(intel_idle_cpuidle_devices); return retval; } } __register_cpu_notifier(&cpu_hotplug_notifier); + if (boot_cpu_has(X86_FEATURE_ARAT)) /* Always Reliable APIC Timer */ + lapic_timer_reliable_states = LAPIC_TIMER_ALWAYS_RELIABLE; + else + on_each_cpu(__setup_broadcast_timer, (void *)true, 1); + cpu_notifier_register_done(); + pr_debug(PREFIX "lapic_timer_reliable_states 0x%x\n", + lapic_timer_reliable_states); + return 0; } static void __exit intel_idle_exit(void) { - intel_idle_cpuidle_devices_uninit(); - cpuidle_unregister_driver(&intel_idle_driver); + struct cpuidle_device *dev; + int i; cpu_notifier_register_begin(); @@ -1259,9 +1290,15 @@ static void __exit intel_idle_exit(void) on_each_cpu(__setup_broadcast_timer, (void *)false, 1); __unregister_cpu_notifier(&cpu_hotplug_notifier); + for_each_possible_cpu(i) { + dev = per_cpu_ptr(intel_idle_cpuidle_devices, i); + cpuidle_unregister_device(dev); + } + cpu_notifier_register_done(); - return; + cpuidle_unregister_driver(&intel_idle_driver); + free_percpu(intel_idle_cpuidle_devices); } module_init(intel_idle_init); diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index c73331f7782b..2072a31e813b 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -547,7 +547,7 @@ static int bmc150_accel_get_axis(struct bmc150_accel_data *data, { int ret; int axis = chan->scan_index; - unsigned int raw_val; + __le16 raw_val; mutex_lock(&data->mutex); ret = bmc150_accel_set_power_state(data, true); @@ -557,14 +557,14 @@ static int bmc150_accel_get_axis(struct bmc150_accel_data *data, } ret = regmap_bulk_read(data->regmap, BMC150_ACCEL_AXIS_TO_REG(axis), - &raw_val, 2); + &raw_val, sizeof(raw_val)); if (ret < 0) { dev_err(data->dev, "Error reading axis %d\n", axis); bmc150_accel_set_power_state(data, false); mutex_unlock(&data->mutex); return ret; } - *val = sign_extend32(raw_val >> chan->scan_type.shift, + *val = sign_extend32(le16_to_cpu(raw_val) >> chan->scan_type.shift, chan->scan_type.realbits - 1); ret = bmc150_accel_set_power_state(data, false); mutex_unlock(&data->mutex); @@ -988,6 +988,7 @@ static const struct iio_event_spec bmc150_accel_event = { .realbits = (bits), \ .storagebits = 16, \ .shift = 16 - (bits), \ + .endianness = IIO_LE, \ }, \ .event_spec = &bmc150_accel_event, \ .num_event_specs = 1 \ diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index af4aea7b20f9..82c718c515a0 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -134,6 +134,7 @@ config AT91_ADC config AT91_SAMA5D2_ADC tristate "Atmel AT91 SAMA5D2 ADC" depends on ARCH_AT91 || COMPILE_TEST + depends on HAS_IOMEM help Say yes here to build support for Atmel SAMA5D2 ADC which is available on SAMA5D2 SoC family. diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index dbee13ad33a3..2e154cb51685 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -451,6 +451,8 @@ static int at91_adc_probe(struct platform_device *pdev) if (ret) goto vref_disable; + platform_set_drvdata(pdev, indio_dev); + ret = iio_device_register(indio_dev); if (ret < 0) goto per_clk_disable_unprepare; diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index 929508e5266c..998dc3caad4c 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -1386,7 +1386,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11644] = { .bits = 12, - .int_vref_mv = 2048, + .int_vref_mv = 4096, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1396,7 +1396,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11645] = { .bits = 12, - .int_vref_mv = 4096, + .int_vref_mv = 2048, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1406,7 +1406,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11646] = { .bits = 10, - .int_vref_mv = 2048, + .int_vref_mv = 4096, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1416,7 +1416,7 @@ static const struct max1363_chip_info max1363_chip_info_tbl[] = { }, [max11647] = { .bits = 10, - .int_vref_mv = 4096, + .int_vref_mv = 2048, .mode_list = max11644_mode_list, .num_modes = ARRAY_SIZE(max11644_mode_list), .default_mode = s0to1, @@ -1680,6 +1680,10 @@ static const struct i2c_device_id max1363_id[] = { { "max11615", max11615 }, { "max11616", max11616 }, { "max11617", max11617 }, + { "max11644", max11644 }, + { "max11645", max11645 }, + { "max11646", max11646 }, + { "max11647", max11647 }, {} }; diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c index bbce3b09ac45..4dac567e75b4 100644 --- a/drivers/iio/gyro/bmg160_core.c +++ b/drivers/iio/gyro/bmg160_core.c @@ -452,7 +452,7 @@ static int bmg160_get_temp(struct bmg160_data *data, int *val) static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val) { int ret; - unsigned int raw_val; + __le16 raw_val; mutex_lock(&data->mutex); ret = bmg160_set_power_state(data, true); @@ -462,7 +462,7 @@ static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val) } ret = regmap_bulk_read(data->regmap, BMG160_AXIS_TO_REG(axis), &raw_val, - 2); + sizeof(raw_val)); if (ret < 0) { dev_err(data->dev, "Error reading axis %d\n", axis); bmg160_set_power_state(data, false); @@ -470,7 +470,7 @@ static int bmg160_get_axis(struct bmg160_data *data, int axis, int *val) return ret; } - *val = sign_extend32(raw_val, 15); + *val = sign_extend32(le16_to_cpu(raw_val), 15); ret = bmg160_set_power_state(data, false); mutex_unlock(&data->mutex); if (ret < 0) @@ -733,6 +733,7 @@ static const struct iio_event_spec bmg160_event = { .sign = 's', \ .realbits = 16, \ .storagebits = 16, \ + .endianness = IIO_LE, \ }, \ .event_spec = &bmg160_event, \ .num_event_specs = 1 \ @@ -780,7 +781,7 @@ static irqreturn_t bmg160_trigger_handler(int irq, void *p) mutex_unlock(&data->mutex); goto err; } - data->buffer[i++] = ret; + data->buffer[i++] = val; } mutex_unlock(&data->mutex); diff --git a/drivers/iio/health/max30100.c b/drivers/iio/health/max30100.c index 09db89359544..90ab8a2d2846 100644 --- a/drivers/iio/health/max30100.c +++ b/drivers/iio/health/max30100.c @@ -238,12 +238,13 @@ static irqreturn_t max30100_interrupt_handler(int irq, void *private) mutex_lock(&data->lock); - while (cnt-- || (cnt = max30100_fifo_count(data) > 0)) { + while (cnt || (cnt = max30100_fifo_count(data) > 0)) { ret = max30100_read_measurement(data); if (ret) break; iio_push_to_buffers(data->indio_dev, data->buffer); + cnt--; } mutex_unlock(&data->lock); diff --git a/drivers/iio/imu/inv_mpu6050/Kconfig b/drivers/iio/imu/inv_mpu6050/Kconfig index a7f557af4389..847455a2d6bb 100644 --- a/drivers/iio/imu/inv_mpu6050/Kconfig +++ b/drivers/iio/imu/inv_mpu6050/Kconfig @@ -9,9 +9,8 @@ config INV_MPU6050_IIO config INV_MPU6050_I2C tristate "Invensense MPU6050 devices (I2C)" - depends on I2C + depends on I2C_MUX select INV_MPU6050_IIO - select I2C_MUX select REGMAP_I2C help This driver supports the Invensense MPU6050 devices. diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c index f581256d9d4c..5ee4e0dc093e 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c @@ -104,6 +104,19 @@ static int inv_mpu6050_deselect_bypass(struct i2c_adapter *adap, return 0; } +static const char *inv_mpu_match_acpi_device(struct device *dev, int *chip_id) +{ + const struct acpi_device_id *id; + + id = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!id) + return NULL; + + *chip_id = (int)id->driver_data; + + return dev_name(dev); +} + /** * inv_mpu_probe() - probe function. * @client: i2c client. @@ -115,14 +128,25 @@ static int inv_mpu_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct inv_mpu6050_state *st; - int result; - const char *name = id ? id->name : NULL; + int result, chip_type; struct regmap *regmap; + const char *name; if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK)) return -EOPNOTSUPP; + if (id) { + chip_type = (int)id->driver_data; + name = id->name; + } else if (ACPI_HANDLE(&client->dev)) { + name = inv_mpu_match_acpi_device(&client->dev, &chip_type); + if (!name) + return -ENODEV; + } else { + return -ENOSYS; + } + regmap = devm_regmap_init_i2c(client, &inv_mpu_regmap_config); if (IS_ERR(regmap)) { dev_err(&client->dev, "Failed to register i2c regmap %d\n", @@ -131,7 +155,7 @@ static int inv_mpu_probe(struct i2c_client *client, } result = inv_mpu_core_probe(regmap, client->irq, name, - NULL, id->driver_data); + NULL, chip_type); if (result < 0) return result; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c index dea6c4361de0..7bcb8d839f05 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c @@ -46,6 +46,7 @@ static int inv_mpu_probe(struct spi_device *spi) struct regmap *regmap; const struct spi_device_id *id = spi_get_device_id(spi); const char *name = id ? id->name : NULL; + const int chip_type = id ? id->driver_data : 0; regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config); if (IS_ERR(regmap)) { @@ -55,7 +56,7 @@ static int inv_mpu_probe(struct spi_device *spi) } return inv_mpu_core_probe(regmap, spi->irq, name, - inv_mpu_i2c_disable, id->driver_data); + inv_mpu_i2c_disable, chip_type); } static int inv_mpu_remove(struct spi_device *spi) diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index b976332d45d3..90462fcf5436 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -653,6 +653,7 @@ static int iio_verify_update(struct iio_dev *indio_dev, unsigned int modes; memset(config, 0, sizeof(*config)); + config->watermark = ~0; /* * If there is just one buffer and we are removing it there is nothing diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c index f6a07dc32ae4..a6af56ad10e1 100644 --- a/drivers/iio/light/apds9960.c +++ b/drivers/iio/light/apds9960.c @@ -769,7 +769,7 @@ static void apds9960_read_gesture_fifo(struct apds9960_data *data) mutex_lock(&data->lock); data->gesture_mode_running = 1; - while (cnt-- || (cnt = apds9660_fifo_is_empty(data) > 0)) { + while (cnt || (cnt = apds9660_fifo_is_empty(data) > 0)) { ret = regmap_bulk_read(data->regmap, APDS9960_REG_GFIFO_BASE, &data->buffer, 4); @@ -777,6 +777,7 @@ static void apds9960_read_gesture_fifo(struct apds9960_data *data) goto err_read; iio_push_to_buffers(data->indio_dev, data->buffer); + cnt--; } err_read: diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 9c5c9ef3f1da..0e931a9a1669 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -462,6 +462,8 @@ static int ak8975_setup_irq(struct ak8975_data *data) int rc; int irq; + init_waitqueue_head(&data->data_ready_queue); + clear_bit(0, &data->flags); if (client->irq) irq = client->irq; else @@ -477,8 +479,6 @@ static int ak8975_setup_irq(struct ak8975_data *data) return rc; } - init_waitqueue_head(&data->data_ready_queue); - clear_bit(0, &data->flags); data->eoc_irq = irq; return rc; @@ -732,7 +732,7 @@ static int ak8975_probe(struct i2c_client *client, int eoc_gpio; int err; const char *name = NULL; - enum asahi_compass_chipset chipset; + enum asahi_compass_chipset chipset = AK_MAX_TYPE; /* Grab and set up the supplied GPIO. */ if (client->dev.platform_data) diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h index 06a4d9c35581..9daca4681922 100644 --- a/drivers/iio/magnetometer/st_magn.h +++ b/drivers/iio/magnetometer/st_magn.h @@ -44,6 +44,7 @@ static inline int st_magn_allocate_ring(struct iio_dev *indio_dev) static inline void st_magn_deallocate_ring(struct iio_dev *indio_dev) { } +#define ST_MAGN_TRIGGER_SET_STATE NULL #endif /* CONFIG_IIO_BUFFER */ #endif /* ST_MAGN_H */ diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c index cb00d59da456..c2e257d97eff 100644 --- a/drivers/infiniband/core/cache.c +++ b/drivers/infiniband/core/cache.c @@ -691,7 +691,8 @@ void ib_cache_gid_set_default_gid(struct ib_device *ib_dev, u8 port, NULL); /* Coudn't find default GID location */ - WARN_ON(ix < 0); + if (WARN_ON(ix < 0)) + goto release; zattr_type.gid_type = gid_type; diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index 4a9aa0433b07..7713ef089c3c 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -48,6 +48,7 @@ #include <asm/uaccess.h> +#include <rdma/ib.h> #include <rdma/ib_cm.h> #include <rdma/ib_user_cm.h> #include <rdma/ib_marshall.h> @@ -1103,6 +1104,9 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf, struct ib_ucm_cmd_hdr hdr; ssize_t result; + if (WARN_ON_ONCE(!ib_safe_file_access(filp))) + return -EACCES; + if (len < sizeof(hdr)) return -EINVAL; diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index dd3bcceadfde..c0f3826abb30 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -1574,6 +1574,9 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf, struct rdma_ucm_cmd_hdr hdr; ssize_t ret; + if (WARN_ON_ONCE(!ib_safe_file_access(filp))) + return -EACCES; + if (len < sizeof(hdr)) return -EINVAL; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 28ba2cc81535..31f422a70623 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -48,6 +48,8 @@ #include <asm/uaccess.h> +#include <rdma/ib.h> + #include "uverbs.h" MODULE_AUTHOR("Roland Dreier"); @@ -709,6 +711,9 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, int srcu_key; ssize_t ret; + if (WARN_ON_ONCE(!ib_safe_file_access(filp))) + return -EACCES; + if (count < sizeof hdr) return -EINVAL; diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 15b8adbf39c0..b65b3541e732 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1860,6 +1860,7 @@ EXPORT_SYMBOL(ib_drain_rq); void ib_drain_qp(struct ib_qp *qp) { ib_drain_sq(qp); - ib_drain_rq(qp); + if (!qp->srq) + ib_drain_rq(qp); } EXPORT_SYMBOL(ib_drain_qp); diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index 42a7b8952d13..3234a8be16f6 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -1390,6 +1390,8 @@ int iwch_register_device(struct iwch_dev *dev) dev->ibdev.iwcm->add_ref = iwch_qp_add_ref; dev->ibdev.iwcm->rem_ref = iwch_qp_rem_ref; dev->ibdev.iwcm->get_qp = iwch_get_qp; + memcpy(dev->ibdev.iwcm->ifname, dev->rdev.t3cdev_p->lldev->name, + sizeof(dev->ibdev.iwcm->ifname)); ret = ib_register_device(&dev->ibdev, NULL); if (ret) diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c index b4eeb783573c..b0b955724458 100644 --- a/drivers/infiniband/hw/cxgb4/cq.c +++ b/drivers/infiniband/hw/cxgb4/cq.c @@ -162,7 +162,7 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq, cq->bar2_va = c4iw_bar2_addrs(rdev, cq->cqid, T4_BAR2_QTYPE_INGRESS, &cq->bar2_qid, user ? &cq->bar2_pa : NULL); - if (user && !cq->bar2_va) { + if (user && !cq->bar2_pa) { pr_warn(MOD "%s: cqid %u not in BAR2 range.\n", pci_name(rdev->lldi.pdev), cq->cqid); ret = -EINVAL; diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 124682dc5709..7574f394fdac 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -580,6 +580,8 @@ int c4iw_register_device(struct c4iw_dev *dev) dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref; dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref; dev->ibdev.iwcm->get_qp = c4iw_get_qp; + memcpy(dev->ibdev.iwcm->ifname, dev->rdev.lldi.ports[0]->name, + sizeof(dev->ibdev.iwcm->ifname)); ret = ib_register_device(&dev->ibdev, NULL); if (ret) diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index e17fb5d5e033..e8993e49b8b3 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -185,6 +185,10 @@ void __iomem *c4iw_bar2_addrs(struct c4iw_rdev *rdev, unsigned int qid, if (pbar2_pa) *pbar2_pa = (rdev->bar2_pa + bar2_qoffset) & PAGE_MASK; + + if (is_t4(rdev->lldi.adapter_type)) + return NULL; + return rdev->bar2_kva + bar2_qoffset; } @@ -270,7 +274,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, /* * User mode must have bar2 access. */ - if (user && (!wq->sq.bar2_va || !wq->rq.bar2_va)) { + if (user && (!wq->sq.bar2_pa || !wq->rq.bar2_pa)) { pr_warn(MOD "%s: sqid %u or rqid %u not in BAR2 range.\n", pci_name(rdev->lldi.pdev), wq->sq.qid, wq->rq.qid); goto free_dma; @@ -1895,13 +1899,27 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, void c4iw_drain_sq(struct ib_qp *ibqp) { struct c4iw_qp *qp = to_c4iw_qp(ibqp); + unsigned long flag; + bool need_to_wait; - wait_for_completion(&qp->sq_drained); + spin_lock_irqsave(&qp->lock, flag); + need_to_wait = !t4_sq_empty(&qp->wq); + spin_unlock_irqrestore(&qp->lock, flag); + + if (need_to_wait) + wait_for_completion(&qp->sq_drained); } void c4iw_drain_rq(struct ib_qp *ibqp) { struct c4iw_qp *qp = to_c4iw_qp(ibqp); + unsigned long flag; + bool need_to_wait; + + spin_lock_irqsave(&qp->lock, flag); + need_to_wait = !t4_rq_empty(&qp->wq); + spin_unlock_irqrestore(&qp->lock, flag); - wait_for_completion(&qp->rq_drained); + if (need_to_wait) + wait_for_completion(&qp->rq_drained); } diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index 92745d755272..38f917a6c778 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -1992,7 +1992,6 @@ static int i40iw_addr_resolve_neigh(struct i40iw_device *iwdev, /** * i40iw_get_dst_ipv6 */ -#if IS_ENABLED(CONFIG_IPV6) static struct dst_entry *i40iw_get_dst_ipv6(struct sockaddr_in6 *src_addr, struct sockaddr_in6 *dst_addr) { @@ -2008,7 +2007,6 @@ static struct dst_entry *i40iw_get_dst_ipv6(struct sockaddr_in6 *src_addr, dst = ip6_route_output(&init_net, NULL, &fl6); return dst; } -#endif /** * i40iw_addr_resolve_neigh_ipv6 - resolve neighbor ipv6 address @@ -2016,7 +2014,6 @@ static struct dst_entry *i40iw_get_dst_ipv6(struct sockaddr_in6 *src_addr, * @dst_ip: remote ip address * @arpindex: if there is an arp entry */ -#if IS_ENABLED(CONFIG_IPV6) static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev, u32 *src, u32 *dest, @@ -2089,7 +2086,6 @@ static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev, dst_release(dst); return rc; } -#endif /** * i40iw_ipv4_is_loopback - check if loopback @@ -2190,13 +2186,13 @@ static struct i40iw_cm_node *i40iw_make_cm_node( cm_info->loc_addr[0], cm_info->rem_addr[0], oldarpindex); -#if IS_ENABLED(CONFIG_IPV6) - else + else if (IS_ENABLED(CONFIG_IPV6)) arpindex = i40iw_addr_resolve_neigh_ipv6(iwdev, cm_info->loc_addr, cm_info->rem_addr, oldarpindex); -#endif + else + arpindex = -EINVAL; } if (arpindex < 0) { i40iw_pr_err("cm_node arpindex\n"); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 5acf346e048e..6ad0489cb3c5 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -530,7 +530,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, sizeof(struct mlx5_wqe_ctrl_seg)) / sizeof(struct mlx5_wqe_data_seg); props->max_sge = min(max_rq_sg, max_sq_sg); - props->max_sge_rd = props->max_sge; + props->max_sge_rd = MLX5_MAX_SGE_RD; props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); @@ -671,8 +671,8 @@ static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, struct mlx5_ib_dev *dev = to_mdev(ibdev); struct mlx5_core_dev *mdev = dev->mdev; struct mlx5_hca_vport_context *rep; - int max_mtu; - int oper_mtu; + u16 max_mtu; + u16 oper_mtu; int err; u8 ib_link_width_oper; u8 vl_hw_cap; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index f16c818ad2e6..b46c25542a7c 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -776,15 +776,6 @@ void mlx5_ib_qp_disable_pagefaults(struct mlx5_ib_qp *qp); void mlx5_ib_qp_enable_pagefaults(struct mlx5_ib_qp *qp); void mlx5_ib_invalidate_range(struct ib_umem *umem, unsigned long start, unsigned long end); -int mlx5_ib_get_vf_config(struct ib_device *device, int vf, - u8 port, struct ifla_vf_info *info); -int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf, - u8 port, int state); -int mlx5_ib_get_vf_stats(struct ib_device *device, int vf, - u8 port, struct ifla_vf_stats *stats); -int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port, - u64 guid, int type); - #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ static inline void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev) { @@ -801,6 +792,15 @@ static inline void mlx5_ib_qp_enable_pagefaults(struct mlx5_ib_qp *qp) {} #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ +int mlx5_ib_get_vf_config(struct ib_device *device, int vf, + u8 port, struct ifla_vf_info *info); +int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf, + u8 port, int state); +int mlx5_ib_get_vf_stats(struct ib_device *device, int vf, + u8 port, struct ifla_vf_stats *stats); +int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port, + u64 guid, int type); + __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, int index); diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 3ea9e055fdd3..92914539edc7 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -500,9 +500,6 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) * skb_shinfo(skb)->nr_frags, skb_is_gso(skb)); */ - if (!netif_carrier_ok(netdev)) - return NETDEV_TX_OK; - if (netif_queue_stopped(netdev)) return NETDEV_TX_BUSY; diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index e449e394963f..24f4a782e0f4 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -45,6 +45,8 @@ #include <linux/export.h> #include <linux/uio.h> +#include <rdma/ib.h> + #include "qib.h" #include "qib_common.h" #include "qib_user_sdma.h" @@ -2067,6 +2069,9 @@ static ssize_t qib_write(struct file *fp, const char __user *data, ssize_t ret = 0; void *dest; + if (WARN_ON_ONCE(!ib_safe_file_access(fp))) + return -EACCES; + if (count < sizeof(cmd.type)) { ret = -EINVAL; goto bail; diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index bd82a6948dc8..a9e3bcc522c4 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -1637,9 +1637,9 @@ bail: spin_unlock_irqrestore(&qp->s_hlock, flags); if (nreq) { if (call_send) - rdi->driver_f.schedule_send_no_lock(qp); - else rdi->driver_f.do_send(qp); + else + rdi->driver_f.schedule_send_no_lock(qp); } return err; } diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 80b6bedc172f..64b3d11dcf1e 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -612,6 +612,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, struct Scsi_Host *shost; struct iser_conn *iser_conn = NULL; struct ib_conn *ib_conn; + u32 max_fr_sectors; u16 max_cmds; shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 0); @@ -632,7 +633,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, iser_conn = ep->dd_data; max_cmds = iser_conn->max_cmds; shost->sg_tablesize = iser_conn->scsi_sg_tablesize; - shost->max_sectors = iser_conn->scsi_max_sectors; mutex_lock(&iser_conn->state_mutex); if (iser_conn->state != ISER_CONN_UP) { @@ -657,8 +657,6 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, */ shost->sg_tablesize = min_t(unsigned short, shost->sg_tablesize, ib_conn->device->ib_device->attrs.max_fast_reg_page_list_len); - shost->max_sectors = min_t(unsigned int, - 1024, (shost->sg_tablesize * PAGE_SIZE) >> 9); if (iscsi_host_add(shost, ib_conn->device->ib_device->dma_device)) { @@ -672,6 +670,15 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, goto free_host; } + /* + * FRs or FMRs can only map up to a (device) page per entry, but if the + * first entry is misaligned we'll end up using using two entries + * (head and tail) for a single page worth data, so we have to drop + * one segment from the calculation. + */ + max_fr_sectors = ((shost->sg_tablesize - 1) * PAGE_SIZE) >> 9; + shost->max_sectors = min(iser_max_sectors, max_fr_sectors); + if (cmds_max > max_cmds) { iser_info("cmds_max changed from %u to %u\n", cmds_max, max_cmds); @@ -989,7 +996,6 @@ static struct scsi_host_template iscsi_iser_sht = { .queuecommand = iscsi_queuecommand, .change_queue_depth = scsi_change_queue_depth, .sg_tablesize = ISCSI_ISER_DEF_SG_TABLESIZE, - .max_sectors = ISER_DEF_MAX_SECTORS, .cmd_per_lun = ISER_DEF_CMD_PER_LUN, .eh_abort_handler = iscsi_eh_abort, .eh_device_reset_handler= iscsi_eh_device_reset, diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 0bd3cb2f3c67..8b42401d4795 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1264,26 +1264,40 @@ free_mem: */ static struct srpt_send_ioctx *srpt_get_send_ioctx(struct srpt_rdma_ch *ch) { - struct se_session *se_sess; struct srpt_send_ioctx *ioctx; - int tag; + unsigned long flags; BUG_ON(!ch); - se_sess = ch->sess; - tag = percpu_ida_alloc(&se_sess->sess_tag_pool, TASK_RUNNING); - if (tag < 0) { - pr_err("Unable to obtain tag for srpt_send_ioctx\n"); - return NULL; + ioctx = NULL; + spin_lock_irqsave(&ch->spinlock, flags); + if (!list_empty(&ch->free_list)) { + ioctx = list_first_entry(&ch->free_list, + struct srpt_send_ioctx, free_list); + list_del(&ioctx->free_list); } - ioctx = &((struct srpt_send_ioctx *)se_sess->sess_cmd_map)[tag]; - memset(ioctx, 0, sizeof(struct srpt_send_ioctx)); - ioctx->ch = ch; + spin_unlock_irqrestore(&ch->spinlock, flags); + + if (!ioctx) + return ioctx; + + BUG_ON(ioctx->ch != ch); spin_lock_init(&ioctx->spinlock); ioctx->state = SRPT_STATE_NEW; + ioctx->n_rbuf = 0; + ioctx->rbufs = NULL; + ioctx->n_rdma = 0; + ioctx->n_rdma_wrs = 0; + ioctx->rdma_wrs = NULL; + ioctx->mapped_sg_count = 0; init_completion(&ioctx->tx_done); - - ioctx->cmd.map_tag = tag; + ioctx->queue_status_only = false; + /* + * transport_init_se_cmd() does not initialize all fields, so do it + * here. + */ + memset(&ioctx->cmd, 0, sizeof(ioctx->cmd)); + memset(&ioctx->sense_data, 0, sizeof(ioctx->sense_data)); return ioctx; } @@ -2021,7 +2035,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, struct ib_cm_rep_param *rep_param; struct srpt_rdma_ch *ch, *tmp_ch; u32 it_iu_len; - int ret = 0; + int i, ret = 0; unsigned char *p; WARN_ON_ONCE(irqs_disabled()); @@ -2143,6 +2157,12 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, if (!ch->ioctx_ring) goto free_ch; + INIT_LIST_HEAD(&ch->free_list); + for (i = 0; i < ch->rq_size; i++) { + ch->ioctx_ring[i]->ch = ch; + list_add_tail(&ch->ioctx_ring[i]->free_list, &ch->free_list); + } + ret = srpt_create_ch_ib(ch); if (ret) { rej->reason = cpu_to_be32( @@ -2173,8 +2193,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, p = &ch->sess_name[0]; try_again: - ch->sess = target_alloc_session(&sport->port_tpg_1, ch->rq_size, - sizeof(struct srpt_send_ioctx), + ch->sess = target_alloc_session(&sport->port_tpg_1, 0, 0, TARGET_PROT_NORMAL, p, ch, NULL); if (IS_ERR(ch->sess)) { pr_info("Rejected login because no ACL has been" @@ -2881,7 +2900,7 @@ static void srpt_release_cmd(struct se_cmd *se_cmd) struct srpt_send_ioctx *ioctx = container_of(se_cmd, struct srpt_send_ioctx, cmd); struct srpt_rdma_ch *ch = ioctx->ch; - struct se_session *se_sess = ch->sess; + unsigned long flags; WARN_ON(ioctx->state != SRPT_STATE_DONE); WARN_ON(ioctx->mapped_sg_count != 0); @@ -2892,7 +2911,9 @@ static void srpt_release_cmd(struct se_cmd *se_cmd) ioctx->n_rbuf = 0; } - percpu_ida_free(&se_sess->sess_tag_pool, se_cmd->map_tag); + spin_lock_irqsave(&ch->spinlock, flags); + list_add(&ioctx->free_list, &ch->free_list); + spin_unlock_irqrestore(&ch->spinlock, flags); } /** diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index ca288f019315..af9b8b527340 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -179,6 +179,7 @@ struct srpt_recv_ioctx { * struct srpt_send_ioctx - SRPT send I/O context. * @ioctx: See above. * @ch: Channel pointer. + * @free_list: Node in srpt_rdma_ch.free_list. * @n_rbuf: Number of data buffers in the received SRP command. * @rbufs: Pointer to SRP data buffer array. * @single_rbuf: SRP data buffer if the command has only a single buffer. @@ -201,6 +202,7 @@ struct srpt_send_ioctx { struct srp_direct_buf *rbufs; struct srp_direct_buf single_rbuf; struct scatterlist *sg; + struct list_head free_list; spinlock_t spinlock; enum srpt_command_state state; struct se_cmd cmd; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index e8a84d12b7ff..1142a93dd90b 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -153,6 +153,7 @@ static const struct xpad_device { { 0x0738, 0x4728, "Mad Catz Street Fighter IV FightPad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0738, 0x4740, "Mad Catz Beat Pad", 0, XTYPE_XBOX360 }, + { 0x0738, 0x4a01, "Mad Catz FightStick TE 2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE }, { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x0738, 0xb726, "Mad Catz Xbox controller - MW2", 0, XTYPE_XBOX360 }, { 0x0738, 0xbeef, "Mad Catz JOYTECH NEO SE Advanced GamePad", XTYPE_XBOX360 }, @@ -304,6 +305,7 @@ static struct usb_device_id xpad_table[] = { XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ { USB_DEVICE(0x0738, 0x4540) }, /* Mad Catz Beat Pad */ + XPAD_XBOXONE_VENDOR(0x0738), /* Mad Catz FightStick TE 2 */ XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c index d5994a745ffa..982936334537 100644 --- a/drivers/input/misc/arizona-haptics.c +++ b/drivers/input/misc/arizona-haptics.c @@ -178,7 +178,6 @@ static int arizona_haptics_probe(struct platform_device *pdev) input_set_drvdata(haptics->input_dev, haptics); haptics->input_dev->name = "arizona:haptics"; - haptics->input_dev->dev.parent = pdev->dev.parent; haptics->input_dev->close = arizona_haptics_close; __set_bit(FF_RUMBLE, haptics->input_dev->ffbit); diff --git a/drivers/input/misc/pmic8xxx-pwrkey.c b/drivers/input/misc/pmic8xxx-pwrkey.c index 3f02e0e03d12..67aab86048ad 100644 --- a/drivers/input/misc/pmic8xxx-pwrkey.c +++ b/drivers/input/misc/pmic8xxx-pwrkey.c @@ -353,7 +353,8 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev) if (of_property_read_u32(pdev->dev.of_node, "debounce", &kpd_delay)) kpd_delay = 15625; - if (kpd_delay > 62500 || kpd_delay == 0) { + /* Valid range of pwr key trigger delay is 1/64 sec to 2 seconds. */ + if (kpd_delay > USEC_PER_SEC * 2 || kpd_delay < USEC_PER_SEC / 64) { dev_err(&pdev->dev, "invalid power key trigger delay\n"); return -EINVAL; } @@ -385,8 +386,8 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev) pwr->name = "pmic8xxx_pwrkey"; pwr->phys = "pmic8xxx_pwrkey/input0"; - delay = (kpd_delay << 10) / USEC_PER_SEC; - delay = 1 + ilog2(delay); + delay = (kpd_delay << 6) / USEC_PER_SEC; + delay = ilog2(delay); err = regmap_read(regmap, PON_CNTL_1, &pon_cntl); if (err < 0) { diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c index 10c4e3d462f1..caa5a62c42fb 100644 --- a/drivers/input/misc/twl4030-vibra.c +++ b/drivers/input/misc/twl4030-vibra.c @@ -222,7 +222,6 @@ static int twl4030_vibra_probe(struct platform_device *pdev) info->input_dev->name = "twl4030:vibrator"; info->input_dev->id.version = 1; - info->input_dev->dev.parent = pdev->dev.parent; info->input_dev->close = twl4030_vibra_close; __set_bit(FF_RUMBLE, info->input_dev->ffbit); diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c index ea63fad48de6..df3581f60628 100644 --- a/drivers/input/misc/twl6040-vibra.c +++ b/drivers/input/misc/twl6040-vibra.c @@ -45,7 +45,6 @@ struct vibra_info { struct device *dev; struct input_dev *input_dev; - struct workqueue_struct *workqueue; struct work_struct play_work; struct mutex mutex; int irq; @@ -182,6 +181,14 @@ static void vibra_play_work(struct work_struct *work) { struct vibra_info *info = container_of(work, struct vibra_info, play_work); + int ret; + + /* Do not allow effect, while the routing is set to use audio */ + ret = twl6040_get_vibralr_status(info->twl6040); + if (ret & TWL6040_VIBSEL) { + dev_info(info->dev, "Vibra is configured for audio\n"); + return; + } mutex_lock(&info->mutex); @@ -200,24 +207,12 @@ static int vibra_play(struct input_dev *input, void *data, struct ff_effect *effect) { struct vibra_info *info = input_get_drvdata(input); - int ret; - - /* Do not allow effect, while the routing is set to use audio */ - ret = twl6040_get_vibralr_status(info->twl6040); - if (ret & TWL6040_VIBSEL) { - dev_info(&input->dev, "Vibra is configured for audio\n"); - return -EBUSY; - } info->weak_speed = effect->u.rumble.weak_magnitude; info->strong_speed = effect->u.rumble.strong_magnitude; info->direction = effect->direction < EFFECT_DIR_180_DEG ? 1 : -1; - ret = queue_work(info->workqueue, &info->play_work); - if (!ret) { - dev_info(&input->dev, "work is already on queue\n"); - return ret; - } + schedule_work(&info->play_work); return 0; } @@ -362,7 +357,6 @@ static int twl6040_vibra_probe(struct platform_device *pdev) info->input_dev->name = "twl6040:vibrator"; info->input_dev->id.version = 1; - info->input_dev->dev.parent = pdev->dev.parent; info->input_dev->close = twl6040_vibra_close; __set_bit(FF_RUMBLE, info->input_dev->ffbit); diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c index 3a7f3a4a4396..7c18249d6c8e 100644 --- a/drivers/input/tablet/gtco.c +++ b/drivers/input/tablet/gtco.c @@ -858,6 +858,14 @@ static int gtco_probe(struct usb_interface *usbinterface, goto err_free_buf; } + /* Sanity check that a device has an endpoint */ + if (usbinterface->altsetting[0].desc.bNumEndpoints < 1) { + dev_err(&usbinterface->dev, + "Invalid number of endpoints\n"); + error = -EINVAL; + goto err_free_urb; + } + /* * The endpoint is always altsetting 0, we know this since we know * this device only has one interrupt endpoint @@ -879,7 +887,7 @@ static int gtco_probe(struct usb_interface *usbinterface, * HID report descriptor */ if (usb_get_extra_descriptor(usbinterface->cur_altsetting, - HID_DEVICE_TYPE, &hid_desc) != 0){ + HID_DEVICE_TYPE, &hid_desc) != 0) { dev_err(&usbinterface->dev, "Can't retrieve exta USB descriptor to get hid report descriptor length\n"); error = -EIO; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 2160512e861a..5af7907d0af4 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1093,6 +1093,19 @@ static int mxt_t6_command(struct mxt_data *data, u16 cmd_offset, return 0; } +static int mxt_acquire_irq(struct mxt_data *data) +{ + int error; + + enable_irq(data->irq); + + error = mxt_process_messages_until_invalid(data); + if (error) + return error; + + return 0; +} + static int mxt_soft_reset(struct mxt_data *data) { struct device *dev = &data->client->dev; @@ -1111,7 +1124,7 @@ static int mxt_soft_reset(struct mxt_data *data) /* Ignore CHG line for 100ms after reset */ msleep(100); - enable_irq(data->irq); + mxt_acquire_irq(data); ret = mxt_wait_for_completion(data, &data->reset_completion, MXT_RESET_TIMEOUT); @@ -1466,19 +1479,6 @@ release_mem: return ret; } -static int mxt_acquire_irq(struct mxt_data *data) -{ - int error; - - enable_irq(data->irq); - - error = mxt_process_messages_until_invalid(data); - if (error) - return error; - - return 0; -} - static int mxt_get_info(struct mxt_data *data) { struct i2c_client *client = data->client; diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 9bbadaaf6bc3..7b3845aa5983 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -370,8 +370,8 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload) point.coord_x = point.coord_y = 0; } - point.state = payload[9 * i + 5] & 0x03; - point.id = (payload[9 * i + 5] & 0xfc) >> 2; + point.state = payload[9 * i + 5] & 0x0f; + point.id = (payload[9 * i + 5] & 0xf0) >> 4; /* determine touch major, minor and orientation */ point.area_major = max(payload[9 * i + 6], diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index dd1dc39f84ff..ad0860383cb3 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -76,8 +76,7 @@ config IOMMU_DMA config FSL_PAMU bool "Freescale IOMMU support" - depends on PPC32 - depends on PPC_E500MC || COMPILE_TEST + depends on PPC_E500MC || (COMPILE_TEST && PPC) select IOMMU_API select GENERIC_ALLOCATOR help @@ -124,16 +123,6 @@ config AMD_IOMMU your BIOS for an option to enable it or if you have an IVRS ACPI table. -config AMD_IOMMU_STATS - bool "Export AMD IOMMU statistics to debugfs" - depends on AMD_IOMMU - select DEBUG_FS - ---help--- - This option enables code in the AMD IOMMU driver to collect various - statistics about whats happening in the driver and exports that - information to userspace via debugfs. - If unsure, say N. - config AMD_IOMMU_V2 tristate "AMD IOMMU Version 2 driver" depends on AMD_IOMMU diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 374c129219ef..c9ccc74e0b9e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -19,6 +19,8 @@ #include <linux/ratelimit.h> #include <linux/pci.h> +#include <linux/acpi.h> +#include <linux/amba/bus.h> #include <linux/pci-ats.h> #include <linux/bitmap.h> #include <linux/slab.h> @@ -72,6 +74,7 @@ static DEFINE_SPINLOCK(dev_data_list_lock); LIST_HEAD(ioapic_map); LIST_HEAD(hpet_map); +LIST_HEAD(acpihid_map); /* * Domain for untranslated devices - only allocated @@ -92,6 +95,7 @@ struct iommu_dev_data { struct list_head dev_data_list; /* For global dev_data_list */ struct protection_domain *domain; /* Domain the device is bound to */ u16 devid; /* PCI Device ID */ + u16 alias; /* Alias Device ID */ bool iommu_v2; /* Device can make use of IOMMUv2 */ bool passthrough; /* Device is identity mapped */ struct { @@ -161,6 +165,60 @@ struct dma_ops_domain { * ****************************************************************************/ +static inline int match_hid_uid(struct device *dev, + struct acpihid_map_entry *entry) +{ + const char *hid, *uid; + + hid = acpi_device_hid(ACPI_COMPANION(dev)); + uid = acpi_device_uid(ACPI_COMPANION(dev)); + + if (!hid || !(*hid)) + return -ENODEV; + + if (!uid || !(*uid)) + return strcmp(hid, entry->hid); + + if (!(*entry->uid)) + return strcmp(hid, entry->hid); + + return (strcmp(hid, entry->hid) || strcmp(uid, entry->uid)); +} + +static inline u16 get_pci_device_id(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + + return PCI_DEVID(pdev->bus->number, pdev->devfn); +} + +static inline int get_acpihid_device_id(struct device *dev, + struct acpihid_map_entry **entry) +{ + struct acpihid_map_entry *p; + + list_for_each_entry(p, &acpihid_map, list) { + if (!match_hid_uid(dev, p)) { + if (entry) + *entry = p; + return p->devid; + } + } + return -EINVAL; +} + +static inline int get_device_id(struct device *dev) +{ + int devid; + + if (dev_is_pci(dev)) + devid = get_pci_device_id(dev); + else + devid = get_acpihid_device_id(dev, NULL); + + return devid; +} + static struct protection_domain *to_pdomain(struct iommu_domain *dom) { return container_of(dom, struct protection_domain, domain); @@ -203,6 +261,69 @@ out_unlock: return dev_data; } +static int __last_alias(struct pci_dev *pdev, u16 alias, void *data) +{ + *(u16 *)data = alias; + return 0; +} + +static u16 get_alias(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + u16 devid, ivrs_alias, pci_alias; + + /* The callers make sure that get_device_id() does not fail here */ + devid = get_device_id(dev); + ivrs_alias = amd_iommu_alias_table[devid]; + pci_for_each_dma_alias(pdev, __last_alias, &pci_alias); + + if (ivrs_alias == pci_alias) + return ivrs_alias; + + /* + * DMA alias showdown + * + * The IVRS is fairly reliable in telling us about aliases, but it + * can't know about every screwy device. If we don't have an IVRS + * reported alias, use the PCI reported alias. In that case we may + * still need to initialize the rlookup and dev_table entries if the + * alias is to a non-existent device. + */ + if (ivrs_alias == devid) { + if (!amd_iommu_rlookup_table[pci_alias]) { + amd_iommu_rlookup_table[pci_alias] = + amd_iommu_rlookup_table[devid]; + memcpy(amd_iommu_dev_table[pci_alias].data, + amd_iommu_dev_table[devid].data, + sizeof(amd_iommu_dev_table[pci_alias].data)); + } + + return pci_alias; + } + + pr_info("AMD-Vi: Using IVRS reported alias %02x:%02x.%d " + "for device %s[%04x:%04x], kernel reported alias " + "%02x:%02x.%d\n", PCI_BUS_NUM(ivrs_alias), PCI_SLOT(ivrs_alias), + PCI_FUNC(ivrs_alias), dev_name(dev), pdev->vendor, pdev->device, + PCI_BUS_NUM(pci_alias), PCI_SLOT(pci_alias), + PCI_FUNC(pci_alias)); + + /* + * If we don't have a PCI DMA alias and the IVRS alias is on the same + * bus, then the IVRS table may know about a quirk that we don't. + */ + if (pci_alias == devid && + PCI_BUS_NUM(ivrs_alias) == pdev->bus->number) { + pdev->dev_flags |= PCI_DEV_FLAGS_DMA_ALIAS_DEVFN; + pdev->dma_alias_devfn = ivrs_alias & 0xff; + pr_info("AMD-Vi: Added PCI DMA alias %02x.%d for %s\n", + PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias), + dev_name(dev)); + } + + return ivrs_alias; +} + static struct iommu_dev_data *find_dev_data(u16 devid) { struct iommu_dev_data *dev_data; @@ -215,16 +336,32 @@ static struct iommu_dev_data *find_dev_data(u16 devid) return dev_data; } -static inline u16 get_device_id(struct device *dev) +static struct iommu_dev_data *get_dev_data(struct device *dev) { - struct pci_dev *pdev = to_pci_dev(dev); - - return PCI_DEVID(pdev->bus->number, pdev->devfn); + return dev->archdata.iommu; } -static struct iommu_dev_data *get_dev_data(struct device *dev) +/* +* Find or create an IOMMU group for a acpihid device. +*/ +static struct iommu_group *acpihid_device_group(struct device *dev) { - return dev->archdata.iommu; + struct acpihid_map_entry *p, *entry = NULL; + int devid; + + devid = get_acpihid_device_id(dev, &entry); + if (devid < 0) + return ERR_PTR(devid); + + list_for_each_entry(p, &acpihid_map, list) { + if ((devid == p->devid) && p->group) + entry->group = p->group; + } + + if (!entry->group) + entry->group = generic_device_group(dev); + + return entry->group; } static bool pci_iommuv2_capable(struct pci_dev *pdev) @@ -278,9 +415,11 @@ static void init_unity_mappings_for_device(struct device *dev, struct dma_ops_domain *dma_dom) { struct unity_map_entry *e; - u16 devid; + int devid; devid = get_device_id(dev); + if (devid < 0) + return; list_for_each_entry(e, &amd_iommu_unity_map, list) { if (!(devid >= e->devid_start && devid <= e->devid_end)) @@ -295,16 +434,14 @@ static void init_unity_mappings_for_device(struct device *dev, */ static bool check_device(struct device *dev) { - u16 devid; + int devid; if (!dev || !dev->dma_mask) return false; - /* No PCI device */ - if (!dev_is_pci(dev)) - return false; - devid = get_device_id(dev); + if (devid < 0) + return false; /* Out of our scope? */ if (devid > amd_iommu_last_bdf) @@ -339,20 +476,26 @@ out: static int iommu_init_device(struct device *dev) { - struct pci_dev *pdev = to_pci_dev(dev); struct iommu_dev_data *dev_data; + int devid; if (dev->archdata.iommu) return 0; - dev_data = find_dev_data(get_device_id(dev)); + devid = get_device_id(dev); + if (devid < 0) + return devid; + + dev_data = find_dev_data(devid); if (!dev_data) return -ENOMEM; - if (pci_iommuv2_capable(pdev)) { + dev_data->alias = get_alias(dev); + + if (dev_is_pci(dev) && pci_iommuv2_capable(to_pci_dev(dev))) { struct amd_iommu *iommu; - iommu = amd_iommu_rlookup_table[dev_data->devid]; + iommu = amd_iommu_rlookup_table[dev_data->devid]; dev_data->iommu_v2 = iommu->is_iommu_v2; } @@ -366,10 +509,14 @@ static int iommu_init_device(struct device *dev) static void iommu_ignore_device(struct device *dev) { - u16 devid, alias; + u16 alias; + int devid; devid = get_device_id(dev); - alias = amd_iommu_alias_table[devid]; + if (devid < 0) + return; + + alias = get_alias(dev); memset(&amd_iommu_dev_table[devid], 0, sizeof(struct dev_table_entry)); memset(&amd_iommu_dev_table[alias], 0, sizeof(struct dev_table_entry)); @@ -380,8 +527,14 @@ static void iommu_ignore_device(struct device *dev) static void iommu_uninit_device(struct device *dev) { - struct iommu_dev_data *dev_data = search_dev_data(get_device_id(dev)); + int devid; + struct iommu_dev_data *dev_data; + + devid = get_device_id(dev); + if (devid < 0) + return; + dev_data = search_dev_data(devid); if (!dev_data) return; @@ -402,70 +555,6 @@ static void iommu_uninit_device(struct device *dev) */ } -#ifdef CONFIG_AMD_IOMMU_STATS - -/* - * Initialization code for statistics collection - */ - -DECLARE_STATS_COUNTER(compl_wait); -DECLARE_STATS_COUNTER(cnt_map_single); -DECLARE_STATS_COUNTER(cnt_unmap_single); -DECLARE_STATS_COUNTER(cnt_map_sg); -DECLARE_STATS_COUNTER(cnt_unmap_sg); -DECLARE_STATS_COUNTER(cnt_alloc_coherent); -DECLARE_STATS_COUNTER(cnt_free_coherent); -DECLARE_STATS_COUNTER(cross_page); -DECLARE_STATS_COUNTER(domain_flush_single); -DECLARE_STATS_COUNTER(domain_flush_all); -DECLARE_STATS_COUNTER(alloced_io_mem); -DECLARE_STATS_COUNTER(total_map_requests); -DECLARE_STATS_COUNTER(complete_ppr); -DECLARE_STATS_COUNTER(invalidate_iotlb); -DECLARE_STATS_COUNTER(invalidate_iotlb_all); -DECLARE_STATS_COUNTER(pri_requests); - -static struct dentry *stats_dir; -static struct dentry *de_fflush; - -static void amd_iommu_stats_add(struct __iommu_counter *cnt) -{ - if (stats_dir == NULL) - return; - - cnt->dent = debugfs_create_u64(cnt->name, 0444, stats_dir, - &cnt->value); -} - -static void amd_iommu_stats_init(void) -{ - stats_dir = debugfs_create_dir("amd-iommu", NULL); - if (stats_dir == NULL) - return; - - de_fflush = debugfs_create_bool("fullflush", 0444, stats_dir, - &amd_iommu_unmap_flush); - - amd_iommu_stats_add(&compl_wait); - amd_iommu_stats_add(&cnt_map_single); - amd_iommu_stats_add(&cnt_unmap_single); - amd_iommu_stats_add(&cnt_map_sg); - amd_iommu_stats_add(&cnt_unmap_sg); - amd_iommu_stats_add(&cnt_alloc_coherent); - amd_iommu_stats_add(&cnt_free_coherent); - amd_iommu_stats_add(&cross_page); - amd_iommu_stats_add(&domain_flush_single); - amd_iommu_stats_add(&domain_flush_all); - amd_iommu_stats_add(&alloced_io_mem); - amd_iommu_stats_add(&total_map_requests); - amd_iommu_stats_add(&complete_ppr); - amd_iommu_stats_add(&invalidate_iotlb); - amd_iommu_stats_add(&invalidate_iotlb_all); - amd_iommu_stats_add(&pri_requests); -} - -#endif - /**************************************************************************** * * Interrupt handling functions @@ -588,8 +677,6 @@ static void iommu_handle_ppr_entry(struct amd_iommu *iommu, u64 *raw) { struct amd_iommu_fault fault; - INC_STATS_COUNTER(pri_requests); - if (PPR_REQ_TYPE(raw[0]) != PPR_REQ_FAULT) { pr_err_ratelimited("AMD-Vi: Unknown PPR request received\n"); return; @@ -1061,7 +1148,7 @@ static int device_flush_dte(struct iommu_dev_data *dev_data) int ret; iommu = amd_iommu_rlookup_table[dev_data->devid]; - alias = amd_iommu_alias_table[dev_data->devid]; + alias = dev_data->alias; ret = iommu_flush_dte(iommu, dev_data->devid); if (!ret && alias != dev_data->devid) @@ -2039,7 +2126,7 @@ static void do_attach(struct iommu_dev_data *dev_data, bool ats; iommu = amd_iommu_rlookup_table[dev_data->devid]; - alias = amd_iommu_alias_table[dev_data->devid]; + alias = dev_data->alias; ats = dev_data->ats.enabled; /* Update data structures */ @@ -2073,7 +2160,7 @@ static void do_detach(struct iommu_dev_data *dev_data) return; iommu = amd_iommu_rlookup_table[dev_data->devid]; - alias = amd_iommu_alias_table[dev_data->devid]; + alias = dev_data->alias; /* decrease reference counters */ dev_data->domain->dev_iommu[iommu->index] -= 1; @@ -2219,13 +2306,17 @@ static bool pci_pri_tlp_required(struct pci_dev *pdev) static int attach_device(struct device *dev, struct protection_domain *domain) { - struct pci_dev *pdev = to_pci_dev(dev); + struct pci_dev *pdev; struct iommu_dev_data *dev_data; unsigned long flags; int ret; dev_data = get_dev_data(dev); + if (!dev_is_pci(dev)) + goto skip_ats_check; + + pdev = to_pci_dev(dev); if (domain->flags & PD_IOMMUV2_MASK) { if (!dev_data->passthrough) return -EINVAL; @@ -2244,6 +2335,7 @@ static int attach_device(struct device *dev, dev_data->ats.qdep = pci_ats_queue_depth(pdev); } +skip_ats_check: write_lock_irqsave(&amd_iommu_devtable_lock, flags); ret = __attach_device(dev_data, domain); write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); @@ -2300,6 +2392,9 @@ static void detach_device(struct device *dev) __detach_device(dev_data); write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); + if (!dev_is_pci(dev)) + return; + if (domain->flags & PD_IOMMUV2_MASK && dev_data->iommu_v2) pdev_iommuv2_disable(to_pci_dev(dev)); else if (dev_data->ats.enabled) @@ -2313,13 +2408,15 @@ static int amd_iommu_add_device(struct device *dev) struct iommu_dev_data *dev_data; struct iommu_domain *domain; struct amd_iommu *iommu; - u16 devid; - int ret; + int ret, devid; if (!check_device(dev) || get_dev_data(dev)) return 0; devid = get_device_id(dev); + if (devid < 0) + return devid; + iommu = amd_iommu_rlookup_table[devid]; ret = iommu_init_device(dev); @@ -2357,18 +2454,29 @@ out: static void amd_iommu_remove_device(struct device *dev) { struct amd_iommu *iommu; - u16 devid; + int devid; if (!check_device(dev)) return; devid = get_device_id(dev); + if (devid < 0) + return; + iommu = amd_iommu_rlookup_table[devid]; iommu_uninit_device(dev); iommu_completion_wait(iommu); } +static struct iommu_group *amd_iommu_device_group(struct device *dev) +{ + if (dev_is_pci(dev)) + return pci_device_group(dev); + + return acpihid_device_group(dev); +} + /***************************************************************************** * * The next functions belong to the dma_ops mapping/unmapping code. @@ -2533,11 +2641,6 @@ static dma_addr_t __map_single(struct device *dev, pages = iommu_num_pages(paddr, size, PAGE_SIZE); paddr &= PAGE_MASK; - INC_STATS_COUNTER(total_map_requests); - - if (pages > 1) - INC_STATS_COUNTER(cross_page); - if (align) align_mask = (1UL << get_order(size)) - 1; @@ -2558,8 +2661,6 @@ static dma_addr_t __map_single(struct device *dev, } address += offset; - ADD_STATS_COUNTER(alloced_io_mem, size); - if (unlikely(amd_iommu_np_cache)) { domain_flush_pages(&dma_dom->domain, address, size); domain_flush_complete(&dma_dom->domain); @@ -2607,8 +2708,6 @@ static void __unmap_single(struct dma_ops_domain *dma_dom, start += PAGE_SIZE; } - SUB_STATS_COUNTER(alloced_io_mem, size); - dma_ops_free_addresses(dma_dom, dma_addr, pages); } @@ -2624,8 +2723,6 @@ static dma_addr_t map_page(struct device *dev, struct page *page, struct protection_domain *domain; u64 dma_mask; - INC_STATS_COUNTER(cnt_map_single); - domain = get_domain(dev); if (PTR_ERR(domain) == -EINVAL) return (dma_addr_t)paddr; @@ -2646,8 +2743,6 @@ static void unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, { struct protection_domain *domain; - INC_STATS_COUNTER(cnt_unmap_single); - domain = get_domain(dev); if (IS_ERR(domain)) return; @@ -2670,8 +2765,6 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, int mapped_elems = 0; u64 dma_mask; - INC_STATS_COUNTER(cnt_map_sg); - domain = get_domain(dev); if (IS_ERR(domain)) return 0; @@ -2717,8 +2810,6 @@ static void unmap_sg(struct device *dev, struct scatterlist *sglist, struct scatterlist *s; int i; - INC_STATS_COUNTER(cnt_unmap_sg); - domain = get_domain(dev); if (IS_ERR(domain)) return; @@ -2741,8 +2832,6 @@ static void *alloc_coherent(struct device *dev, size_t size, struct protection_domain *domain; struct page *page; - INC_STATS_COUNTER(cnt_alloc_coherent); - domain = get_domain(dev); if (PTR_ERR(domain) == -EINVAL) { page = alloc_pages(flag, get_order(size)); @@ -2796,8 +2885,6 @@ static void free_coherent(struct device *dev, size_t size, struct protection_domain *domain; struct page *page; - INC_STATS_COUNTER(cnt_free_coherent); - page = virt_to_page(virt_addr); size = PAGE_ALIGN(size); @@ -2862,7 +2949,17 @@ static struct dma_map_ops amd_iommu_dma_ops = { int __init amd_iommu_init_api(void) { - return bus_set_iommu(&pci_bus_type, &amd_iommu_ops); + int err = 0; + + err = bus_set_iommu(&pci_bus_type, &amd_iommu_ops); + if (err) + return err; +#ifdef CONFIG_ARM_AMBA + err = bus_set_iommu(&amba_bustype, &amd_iommu_ops); + if (err) + return err; +#endif + return 0; } int __init amd_iommu_init_dma_ops(void) @@ -2879,8 +2976,6 @@ int __init amd_iommu_init_dma_ops(void) if (!swiotlb) dma_ops = &nommu_dma_ops; - amd_iommu_stats_init(); - if (amd_iommu_unmap_flush) pr_info("AMD-Vi: IO/TLB flush on unmap enabled\n"); else @@ -3034,12 +3129,14 @@ static void amd_iommu_detach_device(struct iommu_domain *dom, { struct iommu_dev_data *dev_data = dev->archdata.iommu; struct amd_iommu *iommu; - u16 devid; + int devid; if (!check_device(dev)) return; devid = get_device_id(dev); + if (devid < 0) + return; if (dev_data->domain != NULL) detach_device(dev); @@ -3157,9 +3254,11 @@ static void amd_iommu_get_dm_regions(struct device *dev, struct list_head *head) { struct unity_map_entry *entry; - u16 devid; + int devid; devid = get_device_id(dev); + if (devid < 0) + return; list_for_each_entry(entry, &amd_iommu_unity_map, list) { struct iommu_dm_region *region; @@ -3206,7 +3305,7 @@ static const struct iommu_ops amd_iommu_ops = { .iova_to_phys = amd_iommu_iova_to_phys, .add_device = amd_iommu_add_device, .remove_device = amd_iommu_remove_device, - .device_group = pci_device_group, + .device_group = amd_iommu_device_group, .get_dm_regions = amd_iommu_get_dm_regions, .put_dm_regions = amd_iommu_put_dm_regions, .pgsize_bitmap = AMD_IOMMU_PGSIZES, @@ -3367,8 +3466,6 @@ out: static int __amd_iommu_flush_page(struct protection_domain *domain, int pasid, u64 address) { - INC_STATS_COUNTER(invalidate_iotlb); - return __flush_pasid(domain, pasid, address, false); } @@ -3389,8 +3486,6 @@ EXPORT_SYMBOL(amd_iommu_flush_page); static int __amd_iommu_flush_tlb(struct protection_domain *domain, int pasid) { - INC_STATS_COUNTER(invalidate_iotlb_all); - return __flush_pasid(domain, pasid, CMD_INV_IOMMU_ALL_PAGES_ADDRESS, true); } @@ -3510,8 +3605,6 @@ int amd_iommu_complete_ppr(struct pci_dev *pdev, int pasid, struct amd_iommu *iommu; struct iommu_cmd cmd; - INC_STATS_COUNTER(complete_ppr); - dev_data = get_dev_data(&pdev->dev); iommu = amd_iommu_rlookup_table[dev_data->devid]; @@ -3861,6 +3954,9 @@ static struct irq_domain *get_irq_domain(struct irq_alloc_info *info) case X86_IRQ_ALLOC_TYPE_MSI: case X86_IRQ_ALLOC_TYPE_MSIX: devid = get_device_id(&info->msi_dev->dev); + if (devid < 0) + return NULL; + iommu = amd_iommu_rlookup_table[devid]; if (iommu) return iommu->msi_domain; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index bf4959f4225b..9e0034196e10 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -44,7 +44,7 @@ */ #define IVRS_HEADER_LENGTH 48 -#define ACPI_IVHD_TYPE 0x10 +#define ACPI_IVHD_TYPE_MAX_SUPPORTED 0x40 #define ACPI_IVMD_TYPE_ALL 0x20 #define ACPI_IVMD_TYPE 0x21 #define ACPI_IVMD_TYPE_RANGE 0x22 @@ -58,6 +58,11 @@ #define IVHD_DEV_EXT_SELECT 0x46 #define IVHD_DEV_EXT_SELECT_RANGE 0x47 #define IVHD_DEV_SPECIAL 0x48 +#define IVHD_DEV_ACPI_HID 0xf0 + +#define UID_NOT_PRESENT 0 +#define UID_IS_INTEGER 1 +#define UID_IS_CHARACTER 2 #define IVHD_SPECIAL_IOAPIC 1 #define IVHD_SPECIAL_HPET 2 @@ -99,7 +104,11 @@ struct ivhd_header { u64 mmio_phys; u16 pci_seg; u16 info; - u32 efr; + u32 efr_attr; + + /* Following only valid on IVHD type 11h and 40h */ + u64 efr_reg; /* Exact copy of MMIO_EXT_FEATURES */ + u64 res; } __attribute__((packed)); /* @@ -111,6 +120,11 @@ struct ivhd_entry { u16 devid; u8 flags; u32 ext; + u32 hidh; + u64 cid; + u8 uidf; + u8 uidl; + u8 uid; } __attribute__((packed)); /* @@ -133,6 +147,7 @@ bool amd_iommu_irq_remap __read_mostly; static bool amd_iommu_detected; static bool __initdata amd_iommu_disabled; +static int amd_iommu_target_ivhd_type; u16 amd_iommu_last_bdf; /* largest PCI device id we have to handle */ @@ -218,8 +233,12 @@ enum iommu_init_state { #define EARLY_MAP_SIZE 4 static struct devid_map __initdata early_ioapic_map[EARLY_MAP_SIZE]; static struct devid_map __initdata early_hpet_map[EARLY_MAP_SIZE]; +static struct acpihid_map_entry __initdata early_acpihid_map[EARLY_MAP_SIZE]; + static int __initdata early_ioapic_map_size; static int __initdata early_hpet_map_size; +static int __initdata early_acpihid_map_size; + static bool __initdata cmdline_maps; static enum iommu_init_state init_state = IOMMU_START_STATE; @@ -394,6 +413,22 @@ static void __init iommu_unmap_mmio_space(struct amd_iommu *iommu) release_mem_region(iommu->mmio_phys, iommu->mmio_phys_end); } +static inline u32 get_ivhd_header_size(struct ivhd_header *h) +{ + u32 size = 0; + + switch (h->type) { + case 0x10: + size = 24; + break; + case 0x11: + case 0x40: + size = 40; + break; + } + return size; +} + /**************************************************************************** * * The functions below belong to the first pass of AMD IOMMU ACPI table @@ -408,7 +443,15 @@ static void __init iommu_unmap_mmio_space(struct amd_iommu *iommu) */ static inline int ivhd_entry_length(u8 *ivhd) { - return 0x04 << (*ivhd >> 6); + u32 type = ((struct ivhd_entry *)ivhd)->type; + + if (type < 0x80) { + return 0x04 << (*ivhd >> 6); + } else if (type == IVHD_DEV_ACPI_HID) { + /* For ACPI_HID, offset 21 is uid len */ + return *((u8 *)ivhd + 21) + 22; + } + return 0; } /* @@ -420,7 +463,14 @@ static int __init find_last_devid_from_ivhd(struct ivhd_header *h) u8 *p = (void *)h, *end = (void *)h; struct ivhd_entry *dev; - p += sizeof(*h); + u32 ivhd_size = get_ivhd_header_size(h); + + if (!ivhd_size) { + pr_err("AMD-Vi: Unsupported IVHD type %#x\n", h->type); + return -EINVAL; + } + + p += ivhd_size; end += h->length; while (p < end) { @@ -448,6 +498,22 @@ static int __init find_last_devid_from_ivhd(struct ivhd_header *h) return 0; } +static int __init check_ivrs_checksum(struct acpi_table_header *table) +{ + int i; + u8 checksum = 0, *p = (u8 *)table; + + for (i = 0; i < table->length; ++i) + checksum += p[i]; + if (checksum != 0) { + /* ACPI table corrupt */ + pr_err(FW_BUG "AMD-Vi: IVRS invalid checksum\n"); + return -ENODEV; + } + + return 0; +} + /* * Iterate over all IVHD entries in the ACPI table and find the highest device * id which we need to handle. This is the first of three functions which parse @@ -455,31 +521,19 @@ static int __init find_last_devid_from_ivhd(struct ivhd_header *h) */ static int __init find_last_devid_acpi(struct acpi_table_header *table) { - int i; - u8 checksum = 0, *p = (u8 *)table, *end = (u8 *)table; + u8 *p = (u8 *)table, *end = (u8 *)table; struct ivhd_header *h; - /* - * Validate checksum here so we don't need to do it when - * we actually parse the table - */ - for (i = 0; i < table->length; ++i) - checksum += p[i]; - if (checksum != 0) - /* ACPI table corrupt */ - return -ENODEV; - p += IVRS_HEADER_LENGTH; end += table->length; while (p < end) { h = (struct ivhd_header *)p; - switch (h->type) { - case ACPI_IVHD_TYPE: - find_last_devid_from_ivhd(h); - break; - default: - break; + if (h->type == amd_iommu_target_ivhd_type) { + int ret = find_last_devid_from_ivhd(h); + + if (ret) + return ret; } p += h->length; } @@ -724,6 +778,42 @@ static int __init add_special_device(u8 type, u8 id, u16 *devid, bool cmd_line) return 0; } +static int __init add_acpi_hid_device(u8 *hid, u8 *uid, u16 *devid, + bool cmd_line) +{ + struct acpihid_map_entry *entry; + struct list_head *list = &acpihid_map; + + list_for_each_entry(entry, list, list) { + if (strcmp(entry->hid, hid) || + (*uid && *entry->uid && strcmp(entry->uid, uid)) || + !entry->cmd_line) + continue; + + pr_info("AMD-Vi: Command-line override for hid:%s uid:%s\n", + hid, uid); + *devid = entry->devid; + return 0; + } + + entry = kzalloc(sizeof(*entry), GFP_KERNEL); + if (!entry) + return -ENOMEM; + + memcpy(entry->uid, uid, strlen(uid)); + memcpy(entry->hid, hid, strlen(hid)); + entry->devid = *devid; + entry->cmd_line = cmd_line; + entry->root_devid = (entry->devid & (~0x7)); + + pr_info("AMD-Vi:%s, add hid:%s, uid:%s, rdevid:%d\n", + entry->cmd_line ? "cmd" : "ivrs", + entry->hid, entry->uid, entry->root_devid); + + list_add_tail(&entry->list, list); + return 0; +} + static int __init add_early_maps(void) { int i, ret; @@ -746,6 +836,15 @@ static int __init add_early_maps(void) return ret; } + for (i = 0; i < early_acpihid_map_size; ++i) { + ret = add_acpi_hid_device(early_acpihid_map[i].hid, + early_acpihid_map[i].uid, + &early_acpihid_map[i].devid, + early_acpihid_map[i].cmd_line); + if (ret) + return ret; + } + return 0; } @@ -785,6 +884,7 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, u32 dev_i, ext_flags = 0; bool alias = false; struct ivhd_entry *e; + u32 ivhd_size; int ret; @@ -800,7 +900,14 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, /* * Done. Now parse the device entries */ - p += sizeof(struct ivhd_header); + ivhd_size = get_ivhd_header_size(h); + if (!ivhd_size) { + pr_err("AMD-Vi: Unsupported IVHD type %#x\n", h->type); + return -EINVAL; + } + + p += ivhd_size; + end += h->length; @@ -958,6 +1065,70 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu, break; } + case IVHD_DEV_ACPI_HID: { + u16 devid; + u8 hid[ACPIHID_HID_LEN] = {0}; + u8 uid[ACPIHID_UID_LEN] = {0}; + int ret; + + if (h->type != 0x40) { + pr_err(FW_BUG "Invalid IVHD device type %#x\n", + e->type); + break; + } + + memcpy(hid, (u8 *)(&e->ext), ACPIHID_HID_LEN - 1); + hid[ACPIHID_HID_LEN - 1] = '\0'; + + if (!(*hid)) { + pr_err(FW_BUG "Invalid HID.\n"); + break; + } + + switch (e->uidf) { + case UID_NOT_PRESENT: + + if (e->uidl != 0) + pr_warn(FW_BUG "Invalid UID length.\n"); + + break; + case UID_IS_INTEGER: + + sprintf(uid, "%d", e->uid); + + break; + case UID_IS_CHARACTER: + + memcpy(uid, (u8 *)(&e->uid), ACPIHID_UID_LEN - 1); + uid[ACPIHID_UID_LEN - 1] = '\0'; + + break; + default: + break; + } + + DUMP_printk(" DEV_ACPI_HID(%s[%s])\t\tdevid: %02x:%02x.%x\n", + hid, uid, + PCI_BUS_NUM(devid), + PCI_SLOT(devid), + PCI_FUNC(devid)); + + devid = e->devid; + flags = e->flags; + + ret = add_acpi_hid_device(hid, uid, &devid, false); + if (ret) + return ret; + + /* + * add_special_device might update the devid in case a + * command-line override is present. So call + * set_dev_entry_from_acpi after add_special_device. + */ + set_dev_entry_from_acpi(iommu, devid, e->flags, 0); + + break; + } default: break; } @@ -1078,13 +1249,25 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) iommu->pci_seg = h->pci_seg; iommu->mmio_phys = h->mmio_phys; - /* Check if IVHD EFR contains proper max banks/counters */ - if ((h->efr != 0) && - ((h->efr & (0xF << 13)) != 0) && - ((h->efr & (0x3F << 17)) != 0)) { - iommu->mmio_phys_end = MMIO_REG_END_OFFSET; - } else { - iommu->mmio_phys_end = MMIO_CNTR_CONF_OFFSET; + switch (h->type) { + case 0x10: + /* Check if IVHD EFR contains proper max banks/counters */ + if ((h->efr_attr != 0) && + ((h->efr_attr & (0xF << 13)) != 0) && + ((h->efr_attr & (0x3F << 17)) != 0)) + iommu->mmio_phys_end = MMIO_REG_END_OFFSET; + else + iommu->mmio_phys_end = MMIO_CNTR_CONF_OFFSET; + break; + case 0x11: + case 0x40: + if (h->efr_reg & (1 << 9)) + iommu->mmio_phys_end = MMIO_REG_END_OFFSET; + else + iommu->mmio_phys_end = MMIO_CNTR_CONF_OFFSET; + break; + default: + return -EINVAL; } iommu->mmio_base = iommu_map_mmio_space(iommu->mmio_phys, @@ -1117,6 +1300,32 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h) return 0; } +/** + * get_highest_supported_ivhd_type - Look up the appropriate IVHD type + * @ivrs Pointer to the IVRS header + * + * This function search through all IVDB of the maximum supported IVHD + */ +static u8 get_highest_supported_ivhd_type(struct acpi_table_header *ivrs) +{ + u8 *base = (u8 *)ivrs; + struct ivhd_header *ivhd = (struct ivhd_header *) + (base + IVRS_HEADER_LENGTH); + u8 last_type = ivhd->type; + u16 devid = ivhd->devid; + + while (((u8 *)ivhd - base < ivrs->length) && + (ivhd->type <= ACPI_IVHD_TYPE_MAX_SUPPORTED)) { + u8 *p = (u8 *) ivhd; + + if (ivhd->devid == devid) + last_type = ivhd->type; + ivhd = (struct ivhd_header *)(p + ivhd->length); + } + + return last_type; +} + /* * Iterates over all IOMMU entries in the ACPI table, allocates the * IOMMU structure and initializes it with init_iommu_one() @@ -1133,8 +1342,7 @@ static int __init init_iommu_all(struct acpi_table_header *table) while (p < end) { h = (struct ivhd_header *)p; - switch (*p) { - case ACPI_IVHD_TYPE: + if (*p == amd_iommu_target_ivhd_type) { DUMP_printk("device: %02x:%02x.%01x cap: %04x " "seg: %d flags: %01x info %04x\n", @@ -1151,9 +1359,6 @@ static int __init init_iommu_all(struct acpi_table_header *table) ret = init_iommu_one(iommu, h); if (ret) return ret; - break; - default: - break; } p += h->length; @@ -1818,18 +2023,20 @@ static void __init free_dma_resources(void) * remapping setup code. * * This function basically parses the ACPI table for AMD IOMMU (IVRS) - * three times: + * four times: + * + * 1 pass) Discover the most comprehensive IVHD type to use. * - * 1 pass) Find the highest PCI device id the driver has to handle. + * 2 pass) Find the highest PCI device id the driver has to handle. * Upon this information the size of the data structures is * determined that needs to be allocated. * - * 2 pass) Initialize the data structures just allocated with the + * 3 pass) Initialize the data structures just allocated with the * information in the ACPI table about available AMD IOMMUs * in the system. It also maps the PCI devices in the * system to specific IOMMUs * - * 3 pass) After the basic data structures are allocated and + * 4 pass) After the basic data structures are allocated and * initialized we update them with information about memory * remapping requirements parsed out of the ACPI table in * this last pass. @@ -1857,6 +2064,17 @@ static int __init early_amd_iommu_init(void) } /* + * Validate checksum here so we don't need to do it when + * we actually parse the table + */ + ret = check_ivrs_checksum(ivrs_base); + if (ret) + return ret; + + amd_iommu_target_ivhd_type = get_highest_supported_ivhd_type(ivrs_base); + DUMP_printk("Using IVHD type %#x\n", amd_iommu_target_ivhd_type); + + /* * First parse ACPI tables to find the largest Bus/Dev/Func * we need to handle. Upon this information the shared data * structures for the IOMMUs in the system will be allocated @@ -2259,10 +2477,43 @@ static int __init parse_ivrs_hpet(char *str) return 1; } +static int __init parse_ivrs_acpihid(char *str) +{ + u32 bus, dev, fn; + char *hid, *uid, *p; + char acpiid[ACPIHID_UID_LEN + ACPIHID_HID_LEN] = {0}; + int ret, i; + + ret = sscanf(str, "[%x:%x.%x]=%s", &bus, &dev, &fn, acpiid); + if (ret != 4) { + pr_err("AMD-Vi: Invalid command line: ivrs_acpihid(%s)\n", str); + return 1; + } + + p = acpiid; + hid = strsep(&p, ":"); + uid = p; + + if (!hid || !(*hid) || !uid) { + pr_err("AMD-Vi: Invalid command line: hid or uid\n"); + return 1; + } + + i = early_acpihid_map_size++; + memcpy(early_acpihid_map[i].hid, hid, strlen(hid)); + memcpy(early_acpihid_map[i].uid, uid, strlen(uid)); + early_acpihid_map[i].devid = + ((bus & 0xff) << 8) | ((dev & 0x1f) << 3) | (fn & 0x7); + early_acpihid_map[i].cmd_line = true; + + return 1; +} + __setup("amd_iommu_dump", parse_amd_iommu_dump); __setup("amd_iommu=", parse_amd_iommu_options); __setup("ivrs_ioapic", parse_ivrs_ioapic); __setup("ivrs_hpet", parse_ivrs_hpet); +__setup("ivrs_acpihid", parse_ivrs_acpihid); IOMMU_INIT_FINISH(amd_iommu_detect, gart_iommu_hole_init, diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 9d32b20a5e9a..590956ac704e 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -527,6 +527,19 @@ struct amd_iommu { #endif }; +#define ACPIHID_UID_LEN 256 +#define ACPIHID_HID_LEN 9 + +struct acpihid_map_entry { + struct list_head list; + u8 uid[ACPIHID_UID_LEN]; + u8 hid[ACPIHID_HID_LEN]; + u16 devid; + u16 root_devid; + bool cmd_line; + struct iommu_group *group; +}; + struct devid_map { struct list_head list; u8 id; @@ -537,6 +550,7 @@ struct devid_map { /* Map HPET and IOAPIC ids to the devid used by the IOMMU */ extern struct list_head ioapic_map; extern struct list_head hpet_map; +extern struct list_head acpihid_map; /* * List with all IOMMUs in the system. This list is not locked because it is @@ -668,30 +682,4 @@ static inline int get_hpet_devid(int id) return -EINVAL; } -#ifdef CONFIG_AMD_IOMMU_STATS - -struct __iommu_counter { - char *name; - struct dentry *dent; - u64 value; -}; - -#define DECLARE_STATS_COUNTER(nm) \ - static struct __iommu_counter nm = { \ - .name = #nm, \ - } - -#define INC_STATS_COUNTER(name) name.value += 1 -#define ADD_STATS_COUNTER(name, x) name.value += (x) -#define SUB_STATS_COUNTER(name, x) name.value -= (x) - -#else /* CONFIG_AMD_IOMMU_STATS */ - -#define DECLARE_STATS_COUNTER(name) -#define INC_STATS_COUNTER(name) -#define ADD_STATS_COUNTER(name, x) -#define SUB_STATS_COUNTER(name, x) - -#endif /* CONFIG_AMD_IOMMU_STATS */ - #endif /* _ASM_X86_AMD_IOMMU_TYPES_H */ diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 4ff73ff64e49..ebab33e77d67 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -590,6 +590,7 @@ struct arm_smmu_device { unsigned long ias; /* IPA */ unsigned long oas; /* PA */ + unsigned long pgsize_bitmap; #define ARM_SMMU_MAX_ASIDS (1 << 16) unsigned int asid_bits; @@ -1516,8 +1517,6 @@ static int arm_smmu_domain_finalise_s2(struct arm_smmu_domain *smmu_domain, return 0; } -static struct iommu_ops arm_smmu_ops; - static int arm_smmu_domain_finalise(struct iommu_domain *domain) { int ret; @@ -1555,7 +1554,7 @@ static int arm_smmu_domain_finalise(struct iommu_domain *domain) } pgtbl_cfg = (struct io_pgtable_cfg) { - .pgsize_bitmap = arm_smmu_ops.pgsize_bitmap, + .pgsize_bitmap = smmu->pgsize_bitmap, .ias = ias, .oas = oas, .tlb = &arm_smmu_gather_ops, @@ -1566,7 +1565,7 @@ static int arm_smmu_domain_finalise(struct iommu_domain *domain) if (!pgtbl_ops) return -ENOMEM; - arm_smmu_ops.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; + domain->pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; smmu_domain->pgtbl_ops = pgtbl_ops; ret = finalise_stage_fn(smmu_domain, &pgtbl_cfg); @@ -2410,7 +2409,6 @@ static int arm_smmu_device_probe(struct arm_smmu_device *smmu) { u32 reg; bool coherent; - unsigned long pgsize_bitmap = 0; /* IDR0 */ reg = readl_relaxed(smmu->base + ARM_SMMU_IDR0); @@ -2541,13 +2539,16 @@ static int arm_smmu_device_probe(struct arm_smmu_device *smmu) /* Page sizes */ if (reg & IDR5_GRAN64K) - pgsize_bitmap |= SZ_64K | SZ_512M; + smmu->pgsize_bitmap |= SZ_64K | SZ_512M; if (reg & IDR5_GRAN16K) - pgsize_bitmap |= SZ_16K | SZ_32M; + smmu->pgsize_bitmap |= SZ_16K | SZ_32M; if (reg & IDR5_GRAN4K) - pgsize_bitmap |= SZ_4K | SZ_2M | SZ_1G; + smmu->pgsize_bitmap |= SZ_4K | SZ_2M | SZ_1G; - arm_smmu_ops.pgsize_bitmap &= pgsize_bitmap; + if (arm_smmu_ops.pgsize_bitmap == -1UL) + arm_smmu_ops.pgsize_bitmap = smmu->pgsize_bitmap; + else + arm_smmu_ops.pgsize_bitmap |= smmu->pgsize_bitmap; /* Output address size */ switch (reg & IDR5_OAS_MASK << IDR5_OAS_SHIFT) { diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 2409e3bd3df2..0360919a5737 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -34,6 +34,7 @@ #include <linux/err.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/io-64-nonatomic-hi-lo.h> #include <linux/iommu.h> #include <linux/iopoll.h> #include <linux/module.h> @@ -71,16 +72,15 @@ ((smmu->options & ARM_SMMU_OPT_SECURE_CFG_ACCESS) \ ? 0x400 : 0)) +/* + * Some 64-bit registers only make sense to write atomically, but in such + * cases all the data relevant to AArch32 formats lies within the lower word, + * therefore this actually makes more sense than it might first appear. + */ #ifdef CONFIG_64BIT -#define smmu_writeq writeq_relaxed +#define smmu_write_atomic_lq writeq_relaxed #else -#define smmu_writeq(reg64, addr) \ - do { \ - u64 __val = (reg64); \ - void __iomem *__addr = (addr); \ - writel_relaxed(__val >> 32, __addr + 4); \ - writel_relaxed(__val, __addr); \ - } while (0) +#define smmu_write_atomic_lq writel_relaxed #endif /* Configuration registers */ @@ -94,9 +94,13 @@ #define sCR0_VMIDPNE (1 << 11) #define sCR0_PTM (1 << 12) #define sCR0_FB (1 << 13) +#define sCR0_VMID16EN (1 << 31) #define sCR0_BSU_SHIFT 14 #define sCR0_BSU_MASK 0x3 +/* Auxiliary Configuration register */ +#define ARM_SMMU_GR0_sACR 0x10 + /* Identification registers */ #define ARM_SMMU_GR0_ID0 0x20 #define ARM_SMMU_GR0_ID1 0x24 @@ -116,6 +120,8 @@ #define ID0_NTS (1 << 28) #define ID0_SMS (1 << 27) #define ID0_ATOSNS (1 << 26) +#define ID0_PTFS_NO_AARCH32 (1 << 25) +#define ID0_PTFS_NO_AARCH32S (1 << 24) #define ID0_CTTW (1 << 14) #define ID0_NUMIRPT_SHIFT 16 #define ID0_NUMIRPT_MASK 0xff @@ -141,6 +147,10 @@ #define ID2_PTFS_4K (1 << 12) #define ID2_PTFS_16K (1 << 13) #define ID2_PTFS_64K (1 << 14) +#define ID2_VMID16 (1 << 15) + +#define ID7_MAJOR_SHIFT 4 +#define ID7_MAJOR_MASK 0xf /* Global TLB invalidation */ #define ARM_SMMU_GR0_TLBIVMID 0x64 @@ -193,12 +203,15 @@ #define ARM_SMMU_GR1_CBA2R(n) (0x800 + ((n) << 2)) #define CBA2R_RW64_32BIT (0 << 0) #define CBA2R_RW64_64BIT (1 << 0) +#define CBA2R_VMID_SHIFT 16 +#define CBA2R_VMID_MASK 0xffff /* Translation context bank */ #define ARM_SMMU_CB_BASE(smmu) ((smmu)->base + ((smmu)->size >> 1)) #define ARM_SMMU_CB(smmu, n) ((n) * (1 << (smmu)->pgshift)) #define ARM_SMMU_CB_SCTLR 0x0 +#define ARM_SMMU_CB_ACTLR 0x4 #define ARM_SMMU_CB_RESUME 0x8 #define ARM_SMMU_CB_TTBCR2 0x10 #define ARM_SMMU_CB_TTBR0 0x20 @@ -206,11 +219,9 @@ #define ARM_SMMU_CB_TTBCR 0x30 #define ARM_SMMU_CB_S1_MAIR0 0x38 #define ARM_SMMU_CB_S1_MAIR1 0x3c -#define ARM_SMMU_CB_PAR_LO 0x50 -#define ARM_SMMU_CB_PAR_HI 0x54 +#define ARM_SMMU_CB_PAR 0x50 #define ARM_SMMU_CB_FSR 0x58 -#define ARM_SMMU_CB_FAR_LO 0x60 -#define ARM_SMMU_CB_FAR_HI 0x64 +#define ARM_SMMU_CB_FAR 0x60 #define ARM_SMMU_CB_FSYNR0 0x68 #define ARM_SMMU_CB_S1_TLBIVA 0x600 #define ARM_SMMU_CB_S1_TLBIASID 0x610 @@ -230,6 +241,10 @@ #define SCTLR_M (1 << 0) #define SCTLR_EAE_SBOP (SCTLR_AFE | SCTLR_TRE) +#define ARM_MMU500_ACTLR_CPRE (1 << 1) + +#define ARM_MMU500_ACR_CACHE_LOCK (1 << 26) + #define CB_PAR_F (1 << 0) #define ATSR_ACTIVE (1 << 0) @@ -270,10 +285,17 @@ MODULE_PARM_DESC(disable_bypass, "Disable bypass streams such that incoming transactions from devices that are not attached to an iommu domain will report an abort back to the device and will not be allowed to pass through the SMMU."); enum arm_smmu_arch_version { - ARM_SMMU_V1 = 1, + ARM_SMMU_V1, + ARM_SMMU_V1_64K, ARM_SMMU_V2, }; +enum arm_smmu_implementation { + GENERIC_SMMU, + ARM_MMU500, + CAVIUM_SMMUV2, +}; + struct arm_smmu_smr { u8 idx; u16 mask; @@ -305,11 +327,18 @@ struct arm_smmu_device { #define ARM_SMMU_FEAT_TRANS_S2 (1 << 3) #define ARM_SMMU_FEAT_TRANS_NESTED (1 << 4) #define ARM_SMMU_FEAT_TRANS_OPS (1 << 5) +#define ARM_SMMU_FEAT_VMID16 (1 << 6) +#define ARM_SMMU_FEAT_FMT_AARCH64_4K (1 << 7) +#define ARM_SMMU_FEAT_FMT_AARCH64_16K (1 << 8) +#define ARM_SMMU_FEAT_FMT_AARCH64_64K (1 << 9) +#define ARM_SMMU_FEAT_FMT_AARCH32_L (1 << 10) +#define ARM_SMMU_FEAT_FMT_AARCH32_S (1 << 11) u32 features; #define ARM_SMMU_OPT_SECURE_CFG_ACCESS (1 << 0) u32 options; enum arm_smmu_arch_version version; + enum arm_smmu_implementation model; u32 num_context_banks; u32 num_s2_context_banks; @@ -322,6 +351,7 @@ struct arm_smmu_device { unsigned long va_size; unsigned long ipa_size; unsigned long pa_size; + unsigned long pgsize_bitmap; u32 num_global_irqs; u32 num_context_irqs; @@ -329,17 +359,27 @@ struct arm_smmu_device { struct list_head list; struct rb_root masters; + + u32 cavium_id_base; /* Specific to Cavium */ +}; + +enum arm_smmu_context_fmt { + ARM_SMMU_CTX_FMT_NONE, + ARM_SMMU_CTX_FMT_AARCH64, + ARM_SMMU_CTX_FMT_AARCH32_L, + ARM_SMMU_CTX_FMT_AARCH32_S, }; struct arm_smmu_cfg { u8 cbndx; u8 irptndx; u32 cbar; + enum arm_smmu_context_fmt fmt; }; #define INVALID_IRPTNDX 0xff -#define ARM_SMMU_CB_ASID(cfg) ((cfg)->cbndx) -#define ARM_SMMU_CB_VMID(cfg) ((cfg)->cbndx + 1) +#define ARM_SMMU_CB_ASID(smmu, cfg) ((u16)(smmu)->cavium_id_base + (cfg)->cbndx) +#define ARM_SMMU_CB_VMID(smmu, cfg) ((u16)(smmu)->cavium_id_base + (cfg)->cbndx + 1) enum arm_smmu_domain_stage { ARM_SMMU_DOMAIN_S1 = 0, @@ -357,8 +397,6 @@ struct arm_smmu_domain { struct iommu_domain domain; }; -static struct iommu_ops arm_smmu_ops; - static DEFINE_SPINLOCK(arm_smmu_devices_lock); static LIST_HEAD(arm_smmu_devices); @@ -367,6 +405,8 @@ struct arm_smmu_option_prop { const char *prop; }; +static atomic_t cavium_smmu_context_count = ATOMIC_INIT(0); + static struct arm_smmu_option_prop arm_smmu_options[] = { { ARM_SMMU_OPT_SECURE_CFG_ACCESS, "calxeda,smmu-secure-config-access" }, { 0, NULL}, @@ -578,11 +618,11 @@ static void arm_smmu_tlb_inv_context(void *cookie) if (stage1) { base = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx); - writel_relaxed(ARM_SMMU_CB_ASID(cfg), + writel_relaxed(ARM_SMMU_CB_ASID(smmu, cfg), base + ARM_SMMU_CB_S1_TLBIASID); } else { base = ARM_SMMU_GR0(smmu); - writel_relaxed(ARM_SMMU_CB_VMID(cfg), + writel_relaxed(ARM_SMMU_CB_VMID(smmu, cfg), base + ARM_SMMU_GR0_TLBIVMID); } @@ -602,37 +642,33 @@ static void arm_smmu_tlb_inv_range_nosync(unsigned long iova, size_t size, reg = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx); reg += leaf ? ARM_SMMU_CB_S1_TLBIVAL : ARM_SMMU_CB_S1_TLBIVA; - if (!IS_ENABLED(CONFIG_64BIT) || smmu->version == ARM_SMMU_V1) { + if (cfg->fmt != ARM_SMMU_CTX_FMT_AARCH64) { iova &= ~12UL; - iova |= ARM_SMMU_CB_ASID(cfg); + iova |= ARM_SMMU_CB_ASID(smmu, cfg); do { writel_relaxed(iova, reg); iova += granule; } while (size -= granule); -#ifdef CONFIG_64BIT } else { iova >>= 12; - iova |= (u64)ARM_SMMU_CB_ASID(cfg) << 48; + iova |= (u64)ARM_SMMU_CB_ASID(smmu, cfg) << 48; do { writeq_relaxed(iova, reg); iova += granule >> 12; } while (size -= granule); -#endif } -#ifdef CONFIG_64BIT } else if (smmu->version == ARM_SMMU_V2) { reg = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx); reg += leaf ? ARM_SMMU_CB_S2_TLBIIPAS2L : ARM_SMMU_CB_S2_TLBIIPAS2; iova >>= 12; do { - writeq_relaxed(iova, reg); + smmu_write_atomic_lq(iova, reg); iova += granule >> 12; } while (size -= granule); -#endif } else { reg = ARM_SMMU_GR0(smmu) + ARM_SMMU_GR0_TLBIVMID; - writel_relaxed(ARM_SMMU_CB_VMID(cfg), reg); + writel_relaxed(ARM_SMMU_CB_VMID(smmu, cfg), reg); } } @@ -645,7 +681,7 @@ static struct iommu_gather_ops arm_smmu_gather_ops = { static irqreturn_t arm_smmu_context_fault(int irq, void *dev) { int flags, ret; - u32 fsr, far, fsynr, resume; + u32 fsr, fsynr, resume; unsigned long iova; struct iommu_domain *domain = dev; struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); @@ -667,13 +703,7 @@ static irqreturn_t arm_smmu_context_fault(int irq, void *dev) fsynr = readl_relaxed(cb_base + ARM_SMMU_CB_FSYNR0); flags = fsynr & FSYNR0_WNR ? IOMMU_FAULT_WRITE : IOMMU_FAULT_READ; - far = readl_relaxed(cb_base + ARM_SMMU_CB_FAR_LO); - iova = far; -#ifdef CONFIG_64BIT - far = readl_relaxed(cb_base + ARM_SMMU_CB_FAR_HI); - iova |= ((unsigned long)far << 32); -#endif - + iova = readq_relaxed(cb_base + ARM_SMMU_CB_FAR); if (!report_iommu_fault(domain, smmu->dev, iova, flags)) { ret = IRQ_HANDLED; resume = RESUME_RETRY; @@ -734,22 +764,20 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain, cb_base = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, cfg->cbndx); if (smmu->version > ARM_SMMU_V1) { - /* - * CBA2R. - * *Must* be initialised before CBAR thanks to VMID16 - * architectural oversight affected some implementations. - */ -#ifdef CONFIG_64BIT - reg = CBA2R_RW64_64BIT; -#else - reg = CBA2R_RW64_32BIT; -#endif + if (cfg->fmt == ARM_SMMU_CTX_FMT_AARCH64) + reg = CBA2R_RW64_64BIT; + else + reg = CBA2R_RW64_32BIT; + /* 16-bit VMIDs live in CBA2R */ + if (smmu->features & ARM_SMMU_FEAT_VMID16) + reg |= ARM_SMMU_CB_VMID(smmu, cfg) << CBA2R_VMID_SHIFT; + writel_relaxed(reg, gr1_base + ARM_SMMU_GR1_CBA2R(cfg->cbndx)); } /* CBAR */ reg = cfg->cbar; - if (smmu->version == ARM_SMMU_V1) + if (smmu->version < ARM_SMMU_V2) reg |= cfg->irptndx << CBAR_IRPTNDX_SHIFT; /* @@ -759,8 +787,9 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain, if (stage1) { reg |= (CBAR_S1_BPSHCFG_NSH << CBAR_S1_BPSHCFG_SHIFT) | (CBAR_S1_MEMATTR_WB << CBAR_S1_MEMATTR_SHIFT); - } else { - reg |= ARM_SMMU_CB_VMID(cfg) << CBAR_VMID_SHIFT; + } else if (!(smmu->features & ARM_SMMU_FEAT_VMID16)) { + /* 8-bit VMIDs live in CBAR */ + reg |= ARM_SMMU_CB_VMID(smmu, cfg) << CBAR_VMID_SHIFT; } writel_relaxed(reg, gr1_base + ARM_SMMU_GR1_CBAR(cfg->cbndx)); @@ -768,15 +797,15 @@ static void arm_smmu_init_context_bank(struct arm_smmu_domain *smmu_domain, if (stage1) { reg64 = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[0]; - reg64 |= ((u64)ARM_SMMU_CB_ASID(cfg)) << TTBRn_ASID_SHIFT; - smmu_writeq(reg64, cb_base + ARM_SMMU_CB_TTBR0); + reg64 |= ((u64)ARM_SMMU_CB_ASID(smmu, cfg)) << TTBRn_ASID_SHIFT; + writeq_relaxed(reg64, cb_base + ARM_SMMU_CB_TTBR0); reg64 = pgtbl_cfg->arm_lpae_s1_cfg.ttbr[1]; - reg64 |= ((u64)ARM_SMMU_CB_ASID(cfg)) << TTBRn_ASID_SHIFT; - smmu_writeq(reg64, cb_base + ARM_SMMU_CB_TTBR1); + reg64 |= ((u64)ARM_SMMU_CB_ASID(smmu, cfg)) << TTBRn_ASID_SHIFT; + writeq_relaxed(reg64, cb_base + ARM_SMMU_CB_TTBR1); } else { reg64 = pgtbl_cfg->arm_lpae_s2_cfg.vttbr; - smmu_writeq(reg64, cb_base + ARM_SMMU_CB_TTBR0); + writeq_relaxed(reg64, cb_base + ARM_SMMU_CB_TTBR0); } /* TTBCR */ @@ -826,6 +855,12 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, if (smmu_domain->smmu) goto out_unlock; + /* We're bypassing these SIDs, so don't allocate an actual context */ + if (domain->type == IOMMU_DOMAIN_DMA) { + smmu_domain->smmu = smmu; + goto out_unlock; + } + /* * Mapping the requested stage onto what we support is surprisingly * complicated, mainly because the spec allows S1+S2 SMMUs without @@ -849,16 +884,40 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, if (!(smmu->features & ARM_SMMU_FEAT_TRANS_S2)) smmu_domain->stage = ARM_SMMU_DOMAIN_S1; + /* + * Choosing a suitable context format is even more fiddly. Until we + * grow some way for the caller to express a preference, and/or move + * the decision into the io-pgtable code where it arguably belongs, + * just aim for the closest thing to the rest of the system, and hope + * that the hardware isn't esoteric enough that we can't assume AArch64 + * support to be a superset of AArch32 support... + */ + if (smmu->features & ARM_SMMU_FEAT_FMT_AARCH32_L) + cfg->fmt = ARM_SMMU_CTX_FMT_AARCH32_L; + if ((IS_ENABLED(CONFIG_64BIT) || cfg->fmt == ARM_SMMU_CTX_FMT_NONE) && + (smmu->features & (ARM_SMMU_FEAT_FMT_AARCH64_64K | + ARM_SMMU_FEAT_FMT_AARCH64_16K | + ARM_SMMU_FEAT_FMT_AARCH64_4K))) + cfg->fmt = ARM_SMMU_CTX_FMT_AARCH64; + + if (cfg->fmt == ARM_SMMU_CTX_FMT_NONE) { + ret = -EINVAL; + goto out_unlock; + } + switch (smmu_domain->stage) { case ARM_SMMU_DOMAIN_S1: cfg->cbar = CBAR_TYPE_S1_TRANS_S2_BYPASS; start = smmu->num_s2_context_banks; ias = smmu->va_size; oas = smmu->ipa_size; - if (IS_ENABLED(CONFIG_64BIT)) + if (cfg->fmt == ARM_SMMU_CTX_FMT_AARCH64) { fmt = ARM_64_LPAE_S1; - else + } else { fmt = ARM_32_LPAE_S1; + ias = min(ias, 32UL); + oas = min(oas, 40UL); + } break; case ARM_SMMU_DOMAIN_NESTED: /* @@ -870,10 +929,13 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, start = 0; ias = smmu->ipa_size; oas = smmu->pa_size; - if (IS_ENABLED(CONFIG_64BIT)) + if (cfg->fmt == ARM_SMMU_CTX_FMT_AARCH64) { fmt = ARM_64_LPAE_S2; - else + } else { fmt = ARM_32_LPAE_S2; + ias = min(ias, 40UL); + oas = min(oas, 40UL); + } break; default: ret = -EINVAL; @@ -886,7 +948,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, goto out_unlock; cfg->cbndx = ret; - if (smmu->version == ARM_SMMU_V1) { + if (smmu->version < ARM_SMMU_V2) { cfg->irptndx = atomic_inc_return(&smmu->irptndx); cfg->irptndx %= smmu->num_context_irqs; } else { @@ -894,7 +956,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, } pgtbl_cfg = (struct io_pgtable_cfg) { - .pgsize_bitmap = arm_smmu_ops.pgsize_bitmap, + .pgsize_bitmap = smmu->pgsize_bitmap, .ias = ias, .oas = oas, .tlb = &arm_smmu_gather_ops, @@ -908,8 +970,8 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, goto out_clear_smmu; } - /* Update our support page sizes to reflect the page table format */ - arm_smmu_ops.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; + /* Update the domain's page sizes to reflect the page table format */ + domain->pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; /* Initialise the context bank with our page table cfg */ arm_smmu_init_context_bank(smmu_domain, &pgtbl_cfg); @@ -948,7 +1010,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) void __iomem *cb_base; int irq; - if (!smmu) + if (!smmu || domain->type == IOMMU_DOMAIN_DMA) return; /* @@ -1089,18 +1151,20 @@ static int arm_smmu_domain_add_master(struct arm_smmu_domain *smmu_domain, struct arm_smmu_device *smmu = smmu_domain->smmu; void __iomem *gr0_base = ARM_SMMU_GR0(smmu); - /* Devices in an IOMMU group may already be configured */ - ret = arm_smmu_master_configure_smrs(smmu, cfg); - if (ret) - return ret == -EEXIST ? 0 : ret; - /* * FIXME: This won't be needed once we have IOMMU-backed DMA ops - * for all devices behind the SMMU. + * for all devices behind the SMMU. Note that we need to take + * care configuring SMRs for devices both a platform_device and + * and a PCI device (i.e. a PCI host controller) */ if (smmu_domain->domain.type == IOMMU_DOMAIN_DMA) return 0; + /* Devices in an IOMMU group may already be configured */ + ret = arm_smmu_master_configure_smrs(smmu, cfg); + if (ret) + return ret == -EEXIST ? 0 : ret; + for (i = 0; i < cfg->num_streamids; ++i) { u32 idx, s2cr; @@ -1244,8 +1308,8 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, /* ATS1 registers can only be written atomically */ va = iova & ~0xfffUL; if (smmu->version == ARM_SMMU_V2) - smmu_writeq(va, cb_base + ARM_SMMU_CB_ATS1PR); - else + smmu_write_atomic_lq(va, cb_base + ARM_SMMU_CB_ATS1PR); + else /* Register is only 32-bit in v1 */ writel_relaxed(va, cb_base + ARM_SMMU_CB_ATS1PR); if (readl_poll_timeout_atomic(cb_base + ARM_SMMU_CB_ATSR, tmp, @@ -1256,9 +1320,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, return ops->iova_to_phys(ops, iova); } - phys = readl_relaxed(cb_base + ARM_SMMU_CB_PAR_LO); - phys |= ((u64)readl_relaxed(cb_base + ARM_SMMU_CB_PAR_HI)) << 32; - + phys = readq_relaxed(cb_base + ARM_SMMU_CB_PAR); if (phys & CB_PAR_F) { dev_err(dev, "translation fault!\n"); dev_err(dev, "PAR = 0x%llx\n", phys); @@ -1484,7 +1546,7 @@ static void arm_smmu_device_reset(struct arm_smmu_device *smmu) void __iomem *gr0_base = ARM_SMMU_GR0(smmu); void __iomem *cb_base; int i = 0; - u32 reg; + u32 reg, major; /* clear global FSR */ reg = readl_relaxed(ARM_SMMU_GR0_NS(smmu) + ARM_SMMU_GR0_sGFSR); @@ -1497,11 +1559,33 @@ static void arm_smmu_device_reset(struct arm_smmu_device *smmu) writel_relaxed(reg, gr0_base + ARM_SMMU_GR0_S2CR(i)); } + /* + * Before clearing ARM_MMU500_ACTLR_CPRE, need to + * clear CACHE_LOCK bit of ACR first. And, CACHE_LOCK + * bit is only present in MMU-500r2 onwards. + */ + reg = readl_relaxed(gr0_base + ARM_SMMU_GR0_ID7); + major = (reg >> ID7_MAJOR_SHIFT) & ID7_MAJOR_MASK; + if ((smmu->model == ARM_MMU500) && (major >= 2)) { + reg = readl_relaxed(gr0_base + ARM_SMMU_GR0_sACR); + reg &= ~ARM_MMU500_ACR_CACHE_LOCK; + writel_relaxed(reg, gr0_base + ARM_SMMU_GR0_sACR); + } + /* Make sure all context banks are disabled and clear CB_FSR */ for (i = 0; i < smmu->num_context_banks; ++i) { cb_base = ARM_SMMU_CB_BASE(smmu) + ARM_SMMU_CB(smmu, i); writel_relaxed(0, cb_base + ARM_SMMU_CB_SCTLR); writel_relaxed(FSR_FAULT, cb_base + ARM_SMMU_CB_FSR); + /* + * Disable MMU-500's not-particularly-beneficial next-page + * prefetcher for the sake of errata #841119 and #826419. + */ + if (smmu->model == ARM_MMU500) { + reg = readl_relaxed(cb_base + ARM_SMMU_CB_ACTLR); + reg &= ~ARM_MMU500_ACTLR_CPRE; + writel_relaxed(reg, cb_base + ARM_SMMU_CB_ACTLR); + } } /* Invalidate the TLB, just in case */ @@ -1529,6 +1613,9 @@ static void arm_smmu_device_reset(struct arm_smmu_device *smmu) /* Don't upgrade barriers */ reg &= ~(sCR0_BSU_MASK << sCR0_BSU_SHIFT); + if (smmu->features & ARM_SMMU_FEAT_VMID16) + reg |= sCR0_VMID16EN; + /* Push the button */ __arm_smmu_tlb_sync(smmu); writel(reg, ARM_SMMU_GR0_NS(smmu) + ARM_SMMU_GR0_sCR0); @@ -1561,7 +1648,8 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) bool cttw_dt, cttw_reg; dev_notice(smmu->dev, "probing hardware configuration...\n"); - dev_notice(smmu->dev, "SMMUv%d with:\n", smmu->version); + dev_notice(smmu->dev, "SMMUv%d with:\n", + smmu->version == ARM_SMMU_V2 ? 2 : 1); /* ID0 */ id = readl_relaxed(gr0_base + ARM_SMMU_GR0_ID0); @@ -1593,7 +1681,8 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) return -ENODEV; } - if ((id & ID0_S1TS) && ((smmu->version == 1) || !(id & ID0_ATOSNS))) { + if ((id & ID0_S1TS) && + ((smmu->version < ARM_SMMU_V2) || !(id & ID0_ATOSNS))) { smmu->features |= ARM_SMMU_FEAT_TRANS_OPS; dev_notice(smmu->dev, "\taddress translation ops\n"); } @@ -1649,6 +1738,12 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) ID0_NUMSIDB_MASK; } + if (smmu->version < ARM_SMMU_V2 || !(id & ID0_PTFS_NO_AARCH32)) { + smmu->features |= ARM_SMMU_FEAT_FMT_AARCH32_L; + if (!(id & ID0_PTFS_NO_AARCH32S)) + smmu->features |= ARM_SMMU_FEAT_FMT_AARCH32_S; + } + /* ID1 */ id = readl_relaxed(gr0_base + ARM_SMMU_GR0_ID1); smmu->pgshift = (id & ID1_PAGESIZE) ? 16 : 12; @@ -1669,6 +1764,17 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) } dev_notice(smmu->dev, "\t%u context banks (%u stage-2 only)\n", smmu->num_context_banks, smmu->num_s2_context_banks); + /* + * Cavium CN88xx erratum #27704. + * Ensure ASID and VMID allocation is unique across all SMMUs in + * the system. + */ + if (smmu->model == CAVIUM_SMMUV2) { + smmu->cavium_id_base = + atomic_add_return(smmu->num_context_banks, + &cavium_smmu_context_count); + smmu->cavium_id_base -= smmu->num_context_banks; + } /* ID2 */ id = readl_relaxed(gr0_base + ARM_SMMU_GR0_ID2); @@ -1679,6 +1785,9 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) size = arm_smmu_id_size_to_bits((id >> ID2_OAS_SHIFT) & ID2_OAS_MASK); smmu->pa_size = size; + if (id & ID2_VMID16) + smmu->features |= ARM_SMMU_FEAT_VMID16; + /* * What the page table walker can address actually depends on which * descriptor format is in use, but since a) we don't know that yet, @@ -1688,26 +1797,39 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) dev_warn(smmu->dev, "failed to set DMA mask for table walker\n"); - if (smmu->version == ARM_SMMU_V1) { + if (smmu->version < ARM_SMMU_V2) { smmu->va_size = smmu->ipa_size; - size = SZ_4K | SZ_2M | SZ_1G; + if (smmu->version == ARM_SMMU_V1_64K) + smmu->features |= ARM_SMMU_FEAT_FMT_AARCH64_64K; } else { size = (id >> ID2_UBS_SHIFT) & ID2_UBS_MASK; smmu->va_size = arm_smmu_id_size_to_bits(size); -#ifndef CONFIG_64BIT - smmu->va_size = min(32UL, smmu->va_size); -#endif - size = 0; if (id & ID2_PTFS_4K) - size |= SZ_4K | SZ_2M | SZ_1G; + smmu->features |= ARM_SMMU_FEAT_FMT_AARCH64_4K; if (id & ID2_PTFS_16K) - size |= SZ_16K | SZ_32M; + smmu->features |= ARM_SMMU_FEAT_FMT_AARCH64_16K; if (id & ID2_PTFS_64K) - size |= SZ_64K | SZ_512M; + smmu->features |= ARM_SMMU_FEAT_FMT_AARCH64_64K; } - arm_smmu_ops.pgsize_bitmap &= size; - dev_notice(smmu->dev, "\tSupported page sizes: 0x%08lx\n", size); + /* Now we've corralled the various formats, what'll it do? */ + if (smmu->features & ARM_SMMU_FEAT_FMT_AARCH32_S) + smmu->pgsize_bitmap |= SZ_4K | SZ_64K | SZ_1M | SZ_16M; + if (smmu->features & + (ARM_SMMU_FEAT_FMT_AARCH32_L | ARM_SMMU_FEAT_FMT_AARCH64_4K)) + smmu->pgsize_bitmap |= SZ_4K | SZ_2M | SZ_1G; + if (smmu->features & ARM_SMMU_FEAT_FMT_AARCH64_16K) + smmu->pgsize_bitmap |= SZ_16K | SZ_32M; + if (smmu->features & ARM_SMMU_FEAT_FMT_AARCH64_64K) + smmu->pgsize_bitmap |= SZ_64K | SZ_512M; + + if (arm_smmu_ops.pgsize_bitmap == -1UL) + arm_smmu_ops.pgsize_bitmap = smmu->pgsize_bitmap; + else + arm_smmu_ops.pgsize_bitmap |= smmu->pgsize_bitmap; + dev_notice(smmu->dev, "\tSupported page sizes: 0x%08lx\n", + smmu->pgsize_bitmap); + if (smmu->features & ARM_SMMU_FEAT_TRANS_S1) dev_notice(smmu->dev, "\tStage-1: %lu-bit VA -> %lu-bit IPA\n", @@ -1720,12 +1842,27 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) return 0; } +struct arm_smmu_match_data { + enum arm_smmu_arch_version version; + enum arm_smmu_implementation model; +}; + +#define ARM_SMMU_MATCH_DATA(name, ver, imp) \ +static struct arm_smmu_match_data name = { .version = ver, .model = imp } + +ARM_SMMU_MATCH_DATA(smmu_generic_v1, ARM_SMMU_V1, GENERIC_SMMU); +ARM_SMMU_MATCH_DATA(smmu_generic_v2, ARM_SMMU_V2, GENERIC_SMMU); +ARM_SMMU_MATCH_DATA(arm_mmu401, ARM_SMMU_V1_64K, GENERIC_SMMU); +ARM_SMMU_MATCH_DATA(arm_mmu500, ARM_SMMU_V2, ARM_MMU500); +ARM_SMMU_MATCH_DATA(cavium_smmuv2, ARM_SMMU_V2, CAVIUM_SMMUV2); + static const struct of_device_id arm_smmu_of_match[] = { - { .compatible = "arm,smmu-v1", .data = (void *)ARM_SMMU_V1 }, - { .compatible = "arm,smmu-v2", .data = (void *)ARM_SMMU_V2 }, - { .compatible = "arm,mmu-400", .data = (void *)ARM_SMMU_V1 }, - { .compatible = "arm,mmu-401", .data = (void *)ARM_SMMU_V1 }, - { .compatible = "arm,mmu-500", .data = (void *)ARM_SMMU_V2 }, + { .compatible = "arm,smmu-v1", .data = &smmu_generic_v1 }, + { .compatible = "arm,smmu-v2", .data = &smmu_generic_v2 }, + { .compatible = "arm,mmu-400", .data = &smmu_generic_v1 }, + { .compatible = "arm,mmu-401", .data = &arm_mmu401 }, + { .compatible = "arm,mmu-500", .data = &arm_mmu500 }, + { .compatible = "cavium,smmu-v2", .data = &cavium_smmuv2 }, { }, }; MODULE_DEVICE_TABLE(of, arm_smmu_of_match); @@ -1733,6 +1870,7 @@ MODULE_DEVICE_TABLE(of, arm_smmu_of_match); static int arm_smmu_device_dt_probe(struct platform_device *pdev) { const struct of_device_id *of_id; + const struct arm_smmu_match_data *data; struct resource *res; struct arm_smmu_device *smmu; struct device *dev = &pdev->dev; @@ -1748,7 +1886,9 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) smmu->dev = dev; of_id = of_match_node(arm_smmu_of_match, dev->of_node); - smmu->version = (enum arm_smmu_arch_version)of_id->data; + data = of_id->data; + smmu->version = data->version; + smmu->model = data->model; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); smmu->base = devm_ioremap_resource(dev, res); @@ -1814,7 +1954,7 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) parse_driver_options(smmu); - if (smmu->version > ARM_SMMU_V1 && + if (smmu->version == ARM_SMMU_V2 && smmu->num_context_banks != smmu->num_context_irqs) { dev_err(dev, "found only %d context interrupt(s) but %d required\n", diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index 72d6182666cb..ea5a9ebf0f78 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -94,7 +94,7 @@ int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base, u64 size return -ENODEV; /* Use the smallest supported page size for IOVA granularity */ - order = __ffs(domain->ops->pgsize_bitmap); + order = __ffs(domain->pgsize_bitmap); base_pfn = max_t(unsigned long, 1, base >> order); end_pfn = (base + size - 1) >> order; @@ -190,11 +190,15 @@ static void __iommu_dma_free_pages(struct page **pages, int count) kvfree(pages); } -static struct page **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp) +static struct page **__iommu_dma_alloc_pages(unsigned int count, + unsigned long order_mask, gfp_t gfp) { struct page **pages; unsigned int i = 0, array_size = count * sizeof(*pages); - unsigned int order = MAX_ORDER; + + order_mask &= (2U << MAX_ORDER) - 1; + if (!order_mask) + return NULL; if (array_size <= PAGE_SIZE) pages = kzalloc(array_size, GFP_KERNEL); @@ -208,36 +212,38 @@ static struct page **__iommu_dma_alloc_pages(unsigned int count, gfp_t gfp) while (count) { struct page *page = NULL; - int j; + unsigned int order_size; /* * Higher-order allocations are a convenience rather * than a necessity, hence using __GFP_NORETRY until - * falling back to single-page allocations. + * falling back to minimum-order allocations. */ - for (order = min_t(unsigned int, order, __fls(count)); - order > 0; order--) { - page = alloc_pages(gfp | __GFP_NORETRY, order); + for (order_mask &= (2U << __fls(count)) - 1; + order_mask; order_mask &= ~order_size) { + unsigned int order = __fls(order_mask); + + order_size = 1U << order; + page = alloc_pages((order_mask - order_size) ? + gfp | __GFP_NORETRY : gfp, order); if (!page) continue; - if (PageCompound(page)) { - if (!split_huge_page(page)) - break; - __free_pages(page, order); - } else { + if (!order) + break; + if (!PageCompound(page)) { split_page(page, order); break; + } else if (!split_huge_page(page)) { + break; } + __free_pages(page, order); } - if (!page) - page = alloc_page(gfp); if (!page) { __iommu_dma_free_pages(pages, i); return NULL; } - j = 1 << order; - count -= j; - while (j--) + count -= order_size; + while (order_size--) pages[i++] = page++; } return pages; @@ -267,6 +273,7 @@ void iommu_dma_free(struct device *dev, struct page **pages, size_t size, * attached to an iommu_dma_domain * @size: Size of buffer in bytes * @gfp: Allocation flags + * @attrs: DMA attributes for this allocation * @prot: IOMMU mapping flags * @handle: Out argument for allocated DMA handle * @flush_page: Arch callback which must ensure PAGE_SIZE bytes from the @@ -278,8 +285,8 @@ void iommu_dma_free(struct device *dev, struct page **pages, size_t size, * Return: Array of struct page pointers describing the buffer, * or NULL on failure. */ -struct page **iommu_dma_alloc(struct device *dev, size_t size, - gfp_t gfp, int prot, dma_addr_t *handle, +struct page **iommu_dma_alloc(struct device *dev, size_t size, gfp_t gfp, + struct dma_attrs *attrs, int prot, dma_addr_t *handle, void (*flush_page)(struct device *, const void *, phys_addr_t)) { struct iommu_domain *domain = iommu_get_domain_for_dev(dev); @@ -288,11 +295,22 @@ struct page **iommu_dma_alloc(struct device *dev, size_t size, struct page **pages; struct sg_table sgt; dma_addr_t dma_addr; - unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; + unsigned int count, min_size, alloc_sizes = domain->pgsize_bitmap; *handle = DMA_ERROR_CODE; - pages = __iommu_dma_alloc_pages(count, gfp); + min_size = alloc_sizes & -alloc_sizes; + if (min_size < PAGE_SIZE) { + min_size = PAGE_SIZE; + alloc_sizes |= PAGE_SIZE; + } else { + size = ALIGN(size, min_size); + } + if (dma_get_attr(DMA_ATTR_ALLOC_SINGLE_PAGES, attrs)) + alloc_sizes = min_size; + + count = PAGE_ALIGN(size) >> PAGE_SHIFT; + pages = __iommu_dma_alloc_pages(count, alloc_sizes >> PAGE_SHIFT, gfp); if (!pages) return NULL; @@ -389,26 +407,58 @@ void iommu_dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, /* * Prepare a successfully-mapped scatterlist to give back to the caller. - * Handling IOVA concatenation can come later, if needed + * + * At this point the segments are already laid out by iommu_dma_map_sg() to + * avoid individually crossing any boundaries, so we merely need to check a + * segment's start address to avoid concatenating across one. */ static int __finalise_sg(struct device *dev, struct scatterlist *sg, int nents, dma_addr_t dma_addr) { - struct scatterlist *s; - int i; + struct scatterlist *s, *cur = sg; + unsigned long seg_mask = dma_get_seg_boundary(dev); + unsigned int cur_len = 0, max_len = dma_get_max_seg_size(dev); + int i, count = 0; for_each_sg(sg, s, nents, i) { - /* Un-swizzling the fields here, hence the naming mismatch */ - unsigned int s_offset = sg_dma_address(s); + /* Restore this segment's original unaligned fields first */ + unsigned int s_iova_off = sg_dma_address(s); unsigned int s_length = sg_dma_len(s); - unsigned int s_dma_len = s->length; + unsigned int s_iova_len = s->length; - s->offset = s_offset; + s->offset += s_iova_off; s->length = s_length; - sg_dma_address(s) = dma_addr + s_offset; - dma_addr += s_dma_len; + sg_dma_address(s) = DMA_ERROR_CODE; + sg_dma_len(s) = 0; + + /* + * Now fill in the real DMA data. If... + * - there is a valid output segment to append to + * - and this segment starts on an IOVA page boundary + * - but doesn't fall at a segment boundary + * - and wouldn't make the resulting output segment too long + */ + if (cur_len && !s_iova_off && (dma_addr & seg_mask) && + (cur_len + s_length <= max_len)) { + /* ...then concatenate it with the previous one */ + cur_len += s_length; + } else { + /* Otherwise start the next output segment */ + if (i > 0) + cur = sg_next(cur); + cur_len = s_length; + count++; + + sg_dma_address(cur) = dma_addr + s_iova_off; + } + + sg_dma_len(cur) = cur_len; + dma_addr += s_iova_len; + + if (s_length + s_iova_off < s_iova_len) + cur_len = 0; } - return i; + return count; } /* @@ -422,7 +472,7 @@ static void __invalidate_sg(struct scatterlist *sg, int nents) for_each_sg(sg, s, nents, i) { if (sg_dma_address(s) != DMA_ERROR_CODE) - s->offset = sg_dma_address(s); + s->offset += sg_dma_address(s); if (sg_dma_len(s)) s->length = sg_dma_len(s); sg_dma_address(s) = DMA_ERROR_CODE; @@ -446,34 +496,40 @@ int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg, struct scatterlist *s, *prev = NULL; dma_addr_t dma_addr; size_t iova_len = 0; + unsigned long mask = dma_get_seg_boundary(dev); int i; /* * Work out how much IOVA space we need, and align the segments to * IOVA granules for the IOMMU driver to handle. With some clever * trickery we can modify the list in-place, but reversibly, by - * hiding the original data in the as-yet-unused DMA fields. + * stashing the unaligned parts in the as-yet-unused DMA fields. */ for_each_sg(sg, s, nents, i) { - size_t s_offset = iova_offset(iovad, s->offset); + size_t s_iova_off = iova_offset(iovad, s->offset); size_t s_length = s->length; + size_t pad_len = (mask - iova_len + 1) & mask; - sg_dma_address(s) = s_offset; + sg_dma_address(s) = s_iova_off; sg_dma_len(s) = s_length; - s->offset -= s_offset; - s_length = iova_align(iovad, s_length + s_offset); + s->offset -= s_iova_off; + s_length = iova_align(iovad, s_length + s_iova_off); s->length = s_length; /* - * The simple way to avoid the rare case of a segment - * crossing the boundary mask is to pad the previous one - * to end at a naturally-aligned IOVA for this one's size, - * at the cost of potentially over-allocating a little. + * Due to the alignment of our single IOVA allocation, we can + * depend on these assumptions about the segment boundary mask: + * - If mask size >= IOVA size, then the IOVA range cannot + * possibly fall across a boundary, so we don't care. + * - If mask size < IOVA size, then the IOVA range must start + * exactly on a boundary, therefore we can lay things out + * based purely on segment lengths without needing to know + * the actual addresses beforehand. + * - The mask must be a power of 2, so pad_len == 0 if + * iova_len == 0, thus we cannot dereference prev the first + * time through here (i.e. before it has a meaningful value). */ - if (prev) { - size_t pad_len = roundup_pow_of_two(s_length); - - pad_len = (pad_len - iova_len) & (pad_len - 1); + if (pad_len && pad_len < s_length - 1) { prev->length += pad_len; iova_len += pad_len; } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 01005531891b..b2bfb9594508 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2458,7 +2458,7 @@ static struct dmar_domain *get_domain_for_dev(struct device *dev, int gaw) } /* register PCI DMA alias device */ - if (req_id != dma_alias && dev_is_pci(dev)) { + if (dev_is_pci(dev) && req_id != dma_alias) { tmp = dmar_insert_one_dev_info(iommu, PCI_BUS_NUM(dma_alias), dma_alias & 0xff, NULL, domain); diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index 9488e3c97bcb..8c6139986d7d 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -121,6 +121,8 @@ #define ARM_V7S_TEX_MASK 0x7 #define ARM_V7S_ATTR_TEX(val) (((val) & ARM_V7S_TEX_MASK) << ARM_V7S_TEX_SHIFT) +#define ARM_V7S_ATTR_MTK_4GB BIT(9) /* MTK extend it for 4GB mode */ + /* *well, except for TEX on level 2 large pages, of course :( */ #define ARM_V7S_CONT_PAGE_TEX_SHIFT 6 #define ARM_V7S_CONT_PAGE_TEX_MASK (ARM_V7S_TEX_MASK << ARM_V7S_CONT_PAGE_TEX_SHIFT) @@ -258,9 +260,10 @@ static arm_v7s_iopte arm_v7s_prot_to_pte(int prot, int lvl, struct io_pgtable_cfg *cfg) { bool ap = !(cfg->quirks & IO_PGTABLE_QUIRK_NO_PERMS); - arm_v7s_iopte pte = ARM_V7S_ATTR_NG | ARM_V7S_ATTR_S | - ARM_V7S_ATTR_TEX(1); + arm_v7s_iopte pte = ARM_V7S_ATTR_NG | ARM_V7S_ATTR_S; + if (!(prot & IOMMU_MMIO)) + pte |= ARM_V7S_ATTR_TEX(1); if (ap) { pte |= ARM_V7S_PTE_AF | ARM_V7S_PTE_AP_UNPRIV; if (!(prot & IOMMU_WRITE)) @@ -270,7 +273,9 @@ static arm_v7s_iopte arm_v7s_prot_to_pte(int prot, int lvl, if ((prot & IOMMU_NOEXEC) && ap) pte |= ARM_V7S_ATTR_XN(lvl); - if (prot & IOMMU_CACHE) + if (prot & IOMMU_MMIO) + pte |= ARM_V7S_ATTR_B; + else if (prot & IOMMU_CACHE) pte |= ARM_V7S_ATTR_B | ARM_V7S_ATTR_C; return pte; @@ -279,10 +284,13 @@ static arm_v7s_iopte arm_v7s_prot_to_pte(int prot, int lvl, static int arm_v7s_pte_to_prot(arm_v7s_iopte pte, int lvl) { int prot = IOMMU_READ; + arm_v7s_iopte attr = pte >> ARM_V7S_ATTR_SHIFT(lvl); - if (pte & (ARM_V7S_PTE_AP_RDONLY << ARM_V7S_ATTR_SHIFT(lvl))) + if (attr & ARM_V7S_PTE_AP_RDONLY) prot |= IOMMU_WRITE; - if (pte & ARM_V7S_ATTR_C) + if ((attr & (ARM_V7S_TEX_MASK << ARM_V7S_TEX_SHIFT)) == 0) + prot |= IOMMU_MMIO; + else if (pte & ARM_V7S_ATTR_C) prot |= IOMMU_CACHE; return prot; @@ -364,6 +372,9 @@ static int arm_v7s_init_pte(struct arm_v7s_io_pgtable *data, if (lvl == 1 && (cfg->quirks & IO_PGTABLE_QUIRK_ARM_NS)) pte |= ARM_V7S_ATTR_NS_SECTION; + if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_4GB) + pte |= ARM_V7S_ATTR_MTK_4GB; + if (num_entries > 1) pte = arm_v7s_pte_to_cont(pte, lvl); @@ -625,9 +636,15 @@ static struct io_pgtable *arm_v7s_alloc_pgtable(struct io_pgtable_cfg *cfg, if (cfg->quirks & ~(IO_PGTABLE_QUIRK_ARM_NS | IO_PGTABLE_QUIRK_NO_PERMS | - IO_PGTABLE_QUIRK_TLBI_ON_MAP)) + IO_PGTABLE_QUIRK_TLBI_ON_MAP | + IO_PGTABLE_QUIRK_ARM_MTK_4GB)) return NULL; + /* If ARM_MTK_4GB is enabled, the NO_PERMS is also expected. */ + if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_MTK_4GB && + !(cfg->quirks & IO_PGTABLE_QUIRK_NO_PERMS)) + return NULL; + data = kmalloc(sizeof(*data), GFP_KERNEL); if (!data) return NULL; diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index f433b516098a..a1ed1b73fed4 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -355,7 +355,10 @@ static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data, if (!(prot & IOMMU_WRITE) && (prot & IOMMU_READ)) pte |= ARM_LPAE_PTE_AP_RDONLY; - if (prot & IOMMU_CACHE) + if (prot & IOMMU_MMIO) + pte |= (ARM_LPAE_MAIR_ATTR_IDX_DEV + << ARM_LPAE_PTE_ATTRINDX_SHIFT); + else if (prot & IOMMU_CACHE) pte |= (ARM_LPAE_MAIR_ATTR_IDX_CACHE << ARM_LPAE_PTE_ATTRINDX_SHIFT); } else { @@ -364,7 +367,9 @@ static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data, pte |= ARM_LPAE_PTE_HAP_READ; if (prot & IOMMU_WRITE) pte |= ARM_LPAE_PTE_HAP_WRITE; - if (prot & IOMMU_CACHE) + if (prot & IOMMU_MMIO) + pte |= ARM_LPAE_PTE_MEMATTR_DEV; + else if (prot & IOMMU_CACHE) pte |= ARM_LPAE_PTE_MEMATTR_OIWB; else pte |= ARM_LPAE_PTE_MEMATTR_NC; diff --git a/drivers/iommu/io-pgtable.c b/drivers/iommu/io-pgtable.c index 876f6a76d288..127558d83667 100644 --- a/drivers/iommu/io-pgtable.c +++ b/drivers/iommu/io-pgtable.c @@ -25,8 +25,7 @@ #include "io-pgtable.h" static const struct io_pgtable_init_fns * -io_pgtable_init_table[IO_PGTABLE_NUM_FMTS] = -{ +io_pgtable_init_table[IO_PGTABLE_NUM_FMTS] = { #ifdef CONFIG_IOMMU_IO_PGTABLE_LPAE [ARM_32_LPAE_S1] = &io_pgtable_arm_32_lpae_s1_init_fns, [ARM_32_LPAE_S2] = &io_pgtable_arm_32_lpae_s2_init_fns, diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h index d4f502742e3b..969d82cc92ca 100644 --- a/drivers/iommu/io-pgtable.h +++ b/drivers/iommu/io-pgtable.h @@ -60,10 +60,16 @@ struct io_pgtable_cfg { * IO_PGTABLE_QUIRK_TLBI_ON_MAP: If the format forbids caching invalid * (unmapped) entries but the hardware might do so anyway, perform * TLB maintenance when mapping as well as when unmapping. + * + * IO_PGTABLE_QUIRK_ARM_MTK_4GB: (ARM v7s format) Set bit 9 in all + * PTEs, for Mediatek IOMMUs which treat it as a 33rd address bit + * when the SoC is in "4GB mode" and they can only access the high + * remap of DRAM (0x1_00000000 to 0x1_ffffffff). */ #define IO_PGTABLE_QUIRK_ARM_NS BIT(0) #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1) #define IO_PGTABLE_QUIRK_TLBI_ON_MAP BIT(2) + #define IO_PGTABLE_QUIRK_ARM_MTK_4GB BIT(3) unsigned long quirks; unsigned long pgsize_bitmap; unsigned int ias; diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index bfd4f7c3b1d8..ab4d014e3687 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -337,9 +337,9 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group, if (!domain || domain->type != IOMMU_DOMAIN_DMA) return 0; - BUG_ON(!domain->ops->pgsize_bitmap); + BUG_ON(!domain->pgsize_bitmap); - pg_size = 1UL << __ffs(domain->ops->pgsize_bitmap); + pg_size = 1UL << __ffs(domain->pgsize_bitmap); INIT_LIST_HEAD(&mappings); iommu_get_dm_regions(dev, &mappings); @@ -848,7 +848,8 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev) if (!group->default_domain) { group->default_domain = __iommu_domain_alloc(dev->bus, IOMMU_DOMAIN_DMA); - group->domain = group->default_domain; + if (!group->domain) + group->domain = group->default_domain; } ret = iommu_group_add_device(group, dev); @@ -1072,6 +1073,8 @@ static struct iommu_domain *__iommu_domain_alloc(struct bus_type *bus, domain->ops = bus->iommu_ops; domain->type = type; + /* Assume all sizes by default; the driver may override this later */ + domain->pgsize_bitmap = bus->iommu_ops->pgsize_bitmap; return domain; } @@ -1296,7 +1299,7 @@ static size_t iommu_pgsize(struct iommu_domain *domain, pgsize = (1UL << (pgsize_idx + 1)) - 1; /* throw away page sizes not supported by the hardware */ - pgsize &= domain->ops->pgsize_bitmap; + pgsize &= domain->pgsize_bitmap; /* make sure we're still sane */ BUG_ON(!pgsize); @@ -1318,14 +1321,14 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova, int ret = 0; if (unlikely(domain->ops->map == NULL || - domain->ops->pgsize_bitmap == 0UL)) + domain->pgsize_bitmap == 0UL)) return -ENODEV; if (unlikely(!(domain->type & __IOMMU_DOMAIN_PAGING))) return -EINVAL; /* find out the minimum page size supported */ - min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); + min_pagesz = 1 << __ffs(domain->pgsize_bitmap); /* * both the virtual address and the physical one, as well as @@ -1372,14 +1375,14 @@ size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size) unsigned long orig_iova = iova; if (unlikely(domain->ops->unmap == NULL || - domain->ops->pgsize_bitmap == 0UL)) + domain->pgsize_bitmap == 0UL)) return -ENODEV; if (unlikely(!(domain->type & __IOMMU_DOMAIN_PAGING))) return -EINVAL; /* find out the minimum page size supported */ - min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); + min_pagesz = 1 << __ffs(domain->pgsize_bitmap); /* * The virtual address, as well as the size of the mapping, must be @@ -1425,10 +1428,10 @@ size_t default_iommu_map_sg(struct iommu_domain *domain, unsigned long iova, unsigned int i, min_pagesz; int ret; - if (unlikely(domain->ops->pgsize_bitmap == 0UL)) + if (unlikely(domain->pgsize_bitmap == 0UL)) return 0; - min_pagesz = 1 << __ffs(domain->ops->pgsize_bitmap); + min_pagesz = 1 << __ffs(domain->pgsize_bitmap); for_each_sg(sg, s, nents, i) { phys_addr_t phys = page_to_phys(sg_page(s)) + s->offset; @@ -1509,7 +1512,7 @@ int iommu_domain_get_attr(struct iommu_domain *domain, break; case DOMAIN_ATTR_PAGING: paging = data; - *paging = (domain->ops->pgsize_bitmap != 0UL); + *paging = (domain->pgsize_bitmap != 0UL); break; case DOMAIN_ATTR_WINDOWS: count = data; diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 929a66a81b2b..c3043d8754e3 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -11,6 +11,7 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ +#include <linux/bootmem.h> #include <linux/bug.h> #include <linux/clk.h> #include <linux/component.h> @@ -56,7 +57,7 @@ #define F_MMU_TF_PROTECT_SEL(prot) (((prot) & 0x3) << 5) #define REG_MMU_IVRP_PADDR 0x114 -#define F_MMU_IVRP_PA_SET(pa) ((pa) >> 1) +#define F_MMU_IVRP_PA_SET(pa, ext) (((pa) >> 1) | ((!!(ext)) << 31)) #define REG_MMU_INT_CONTROL0 0x120 #define F_L2_MULIT_HIT_EN BIT(0) @@ -125,6 +126,7 @@ struct mtk_iommu_data { struct mtk_iommu_domain *m4u_dom; struct iommu_group *m4u_group; struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */ + bool enable_4GB; }; static struct iommu_ops mtk_iommu_ops; @@ -257,6 +259,9 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_data *data) .iommu_dev = data->dev, }; + if (data->enable_4GB) + dom->cfg.quirks |= IO_PGTABLE_QUIRK_ARM_MTK_4GB; + dom->iop = alloc_io_pgtable_ops(ARM_V7S, &dom->cfg, data); if (!dom->iop) { dev_err(data->dev, "Failed to alloc io pgtable\n"); @@ -264,7 +269,7 @@ static int mtk_iommu_domain_finalise(struct mtk_iommu_data *data) } /* Update our support page sizes bitmap */ - mtk_iommu_ops.pgsize_bitmap = dom->cfg.pgsize_bitmap; + dom->domain.pgsize_bitmap = dom->cfg.pgsize_bitmap; writel(data->m4u_dom->cfg.arm_v7s_cfg.ttbr[0], data->base + REG_MMU_PT_BASE_ADDR); @@ -530,7 +535,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) F_INT_PRETETCH_TRANSATION_FIFO_FAULT; writel_relaxed(regval, data->base + REG_MMU_INT_MAIN_CONTROL); - writel_relaxed(F_MMU_IVRP_PA_SET(data->protect_base), + writel_relaxed(F_MMU_IVRP_PA_SET(data->protect_base, data->enable_4GB), data->base + REG_MMU_IVRP_PADDR); writel_relaxed(0, data->base + REG_MMU_DCM_DIS); @@ -591,6 +596,9 @@ static int mtk_iommu_probe(struct platform_device *pdev) return -ENOMEM; data->protect_base = ALIGN(virt_to_phys(protect), MTK_PROTECT_PA_ALIGN); + /* Whether the current dram is over 4GB */ + data->enable_4GB = !!(max_pfn > (0xffffffffUL >> PAGE_SHIFT)); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); data->base = devm_ioremap_resource(dev, res); if (IS_ERR(data->base)) @@ -690,7 +698,7 @@ static int __maybe_unused mtk_iommu_resume(struct device *dev) writel_relaxed(reg->ctrl_reg, base + REG_MMU_CTRL_REG); writel_relaxed(reg->int_control0, base + REG_MMU_INT_CONTROL0); writel_relaxed(reg->int_main_control, base + REG_MMU_INT_MAIN_CONTROL); - writel_relaxed(F_MMU_IVRP_PA_SET(data->protect_base), + writel_relaxed(F_MMU_IVRP_PA_SET(data->protect_base, data->enable_4GB), base + REG_MMU_IVRP_PADDR); return 0; } diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c index 5fea665af99d..af499aea0a1a 100644 --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -98,12 +98,12 @@ EXPORT_SYMBOL_GPL(of_get_dma_window); struct of_iommu_node { struct list_head list; struct device_node *np; - struct iommu_ops *ops; + const struct iommu_ops *ops; }; static LIST_HEAD(of_iommu_list); static DEFINE_SPINLOCK(of_iommu_lock); -void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops) +void of_iommu_set_ops(struct device_node *np, const struct iommu_ops *ops) { struct of_iommu_node *iommu = kzalloc(sizeof(*iommu), GFP_KERNEL); @@ -119,10 +119,10 @@ void of_iommu_set_ops(struct device_node *np, struct iommu_ops *ops) spin_unlock(&of_iommu_lock); } -struct iommu_ops *of_iommu_get_ops(struct device_node *np) +const struct iommu_ops *of_iommu_get_ops(struct device_node *np) { struct of_iommu_node *node; - struct iommu_ops *ops = NULL; + const struct iommu_ops *ops = NULL; spin_lock(&of_iommu_lock); list_for_each_entry(node, &of_iommu_list, list) @@ -134,12 +134,12 @@ struct iommu_ops *of_iommu_get_ops(struct device_node *np) return ops; } -struct iommu_ops *of_iommu_configure(struct device *dev, - struct device_node *master_np) +const struct iommu_ops *of_iommu_configure(struct device *dev, + struct device_node *master_np) { struct of_phandle_args iommu_spec; struct device_node *np; - struct iommu_ops *ops = NULL; + const struct iommu_ops *ops = NULL; int idx = 0; /* diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index 9bc20e2119a3..505548aafeff 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -136,7 +136,7 @@ static ssize_t iotlb_dump_cr(struct omap_iommu *obj, struct cr_regs *cr, struct seq_file *s) { seq_printf(s, "%08x %08x %01x\n", cr->cam, cr->ram, - (cr->cam & MMU_CAM_P) ? 1 : 0); + (cr->cam & MMU_CAM_P) ? 1 : 0); return 0; } diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 3dc5b65f3990..e2583cce2cc1 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -628,10 +628,12 @@ iopgtable_store_entry_core(struct omap_iommu *obj, struct iotlb_entry *e) break; default: fn = NULL; - BUG(); break; } + if (WARN_ON(!fn)) + return -EINVAL; + prot = get_iopte_attr(e); spin_lock(&obj->page_table_lock); @@ -987,7 +989,6 @@ static int omap_iommu_remove(struct platform_device *pdev) { struct omap_iommu *obj = platform_get_drvdata(pdev); - iopgtable_clear_entry_all(obj); omap_iommu_debugfs_remove(obj); pm_runtime_disable(obj->dev); @@ -1161,7 +1162,8 @@ static struct iommu_domain *omap_iommu_domain_alloc(unsigned type) * should never fail, but please keep this around to ensure * we keep the hardware happy */ - BUG_ON(!IS_ALIGNED((long)omap_domain->pgtable, IOPGD_TABLE_SIZE)); + if (WARN_ON(!IS_ALIGNED((long)omap_domain->pgtable, IOPGD_TABLE_SIZE))) + goto fail_align; clean_dcache_area(omap_domain->pgtable, IOPGD_TABLE_SIZE); spin_lock_init(&omap_domain->lock); @@ -1172,6 +1174,8 @@ static struct iommu_domain *omap_iommu_domain_alloc(unsigned type) return &omap_domain->domain; +fail_align: + kfree(omap_domain->pgtable); fail_nomem: kfree(omap_domain); out: diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index a6f593a0a29e..c7d6156ff536 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -315,8 +315,8 @@ static bool rk_iommu_is_stall_active(struct rk_iommu *iommu) int i; for (i = 0; i < iommu->num_mmu; i++) - active &= rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & - RK_MMU_STATUS_STALL_ACTIVE; + active &= !!(rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & + RK_MMU_STATUS_STALL_ACTIVE); return active; } @@ -327,8 +327,8 @@ static bool rk_iommu_is_paging_enabled(struct rk_iommu *iommu) int i; for (i = 0; i < iommu->num_mmu; i++) - enable &= rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & - RK_MMU_STATUS_PAGING_ENABLED; + enable &= !!(rk_iommu_read(iommu->bases[i], RK_MMU_STATUS) & + RK_MMU_STATUS_PAGING_ENABLED); return enable; } @@ -1049,6 +1049,8 @@ static int rk_iommu_probe(struct platform_device *pdev) for (i = 0; i < pdev->num_resources; i++) { res = platform_get_resource(pdev, IORESOURCE_MEM, i); + if (!res) + continue; iommu->bases[i] = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(iommu->bases[i])) continue; diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 94a30da0cfac..4dffccf532a2 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -467,7 +467,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask, gic_map_to_vpe(irq, mips_cm_vp_id(cpumask_first(&tmp))); /* Update the pcpu_masks */ - for (i = 0; i < gic_vpes; i++) + for (i = 0; i < min(gic_vpes, NR_CPUS); i++) clear_bit(irq, pcpu_masks[i].pcpu_mask); set_bit(irq, pcpu_masks[cpumask_first(&tmp)].pcpu_mask); @@ -707,7 +707,7 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq, spin_lock_irqsave(&gic_lock, flags); gic_map_to_pin(intr, gic_cpu_pin); gic_map_to_vpe(intr, vpe); - for (i = 0; i < gic_vpes; i++) + for (i = 0; i < min(gic_vpes, NR_CPUS); i++) clear_bit(intr, pcpu_masks[i].pcpu_mask); set_bit(intr, pcpu_masks[vpe].pcpu_mask); spin_unlock_irqrestore(&gic_lock, flags); diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c index 0d29b5a6356d..99e5f9751e8b 100644 --- a/drivers/isdn/mISDN/socket.c +++ b/drivers/isdn/mISDN/socket.c @@ -715,6 +715,9 @@ base_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) if (!maddr || maddr->family != AF_ISDN) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_mISDN)) + return -EINVAL; + lock_sock(sk); if (_pms(sk)->dev) { diff --git a/drivers/lguest/interrupts_and_traps.c b/drivers/lguest/interrupts_and_traps.c index eb934b0242e0..67392b6ab845 100644 --- a/drivers/lguest/interrupts_and_traps.c +++ b/drivers/lguest/interrupts_and_traps.c @@ -331,7 +331,7 @@ void set_interrupt(struct lg_cpu *cpu, unsigned int irq) * Actually now I think of it, it's possible that Ron *is* half the Plan 9 * userbase. Oh well. */ -static bool could_be_syscall(unsigned int num) +bool could_be_syscall(unsigned int num) { /* Normal Linux IA32_SYSCALL_VECTOR or reserved vector? */ return num == IA32_SYSCALL_VECTOR || num == syscall_vector; @@ -416,6 +416,10 @@ bool deliver_trap(struct lg_cpu *cpu, unsigned int num) * * This routine indicates if a particular trap number could be delivered * directly. + * + * Unfortunately, Linux 4.6 started using an interrupt gate instead of a + * trap gate for syscalls, so this trick is ineffective. See Mastery for + * how we could do this anyway... */ static bool direct_trap(unsigned int num) { diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index ac8ad0461e80..69b3814afd2f 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -167,6 +167,7 @@ void guest_set_clockevent(struct lg_cpu *cpu, unsigned long delta); bool send_notify_to_eventfd(struct lg_cpu *cpu); void init_clockdev(struct lg_cpu *cpu); bool check_syscall_vector(struct lguest *lg); +bool could_be_syscall(unsigned int num); int init_interrupts(void); void free_interrupts(void); diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c index 6a4cd771a2be..adc162c7040d 100644 --- a/drivers/lguest/x86/core.c +++ b/drivers/lguest/x86/core.c @@ -429,8 +429,12 @@ void lguest_arch_handle_trap(struct lg_cpu *cpu) return; break; case 32 ... 255: + /* This might be a syscall. */ + if (could_be_syscall(cpu->regs->trapnum)) + break; + /* - * These values mean a real interrupt occurred, in which case + * Other values mean a real interrupt occurred, in which case * the Host handler has already been run. We just do a * friendly check if another process should now be run, then * return to run the Guest again. diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c index dc11bbf27274..58d04726cdd7 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -46,7 +46,6 @@ static ssize_t mbox_test_signal_write(struct file *filp, size_t count, loff_t *ppos) { struct mbox_test_device *tdev = filp->private_data; - int ret; if (!tdev->tx_channel) { dev_err(tdev->dev, "Channel cannot do Tx\n"); @@ -60,17 +59,20 @@ static ssize_t mbox_test_signal_write(struct file *filp, return -EINVAL; } - tdev->signal = kzalloc(MBOX_MAX_SIG_LEN, GFP_KERNEL); - if (!tdev->signal) - return -ENOMEM; + /* Only allocate memory if we need to */ + if (!tdev->signal) { + tdev->signal = kzalloc(MBOX_MAX_SIG_LEN, GFP_KERNEL); + if (!tdev->signal) + return -ENOMEM; + } - ret = copy_from_user(tdev->signal, userbuf, count); - if (ret) { + if (copy_from_user(tdev->signal, userbuf, count)) { kfree(tdev->signal); + tdev->signal = NULL; return -EFAULT; } - return ret < 0 ? ret : count; + return count; } static const struct file_operations mbox_test_signal_ops = { diff --git a/drivers/mailbox/mailbox-xgene-slimpro.c b/drivers/mailbox/mailbox-xgene-slimpro.c index bd07f39f0692..dd2afbca51c9 100644 --- a/drivers/mailbox/mailbox-xgene-slimpro.c +++ b/drivers/mailbox/mailbox-xgene-slimpro.c @@ -189,8 +189,8 @@ static int slimpro_mbox_probe(struct platform_device *pdev) int i; ctx = devm_kzalloc(&pdev->dev, sizeof(struct slimpro_mbox), GFP_KERNEL); - if (IS_ERR(ctx)) - return PTR_ERR(ctx); + if (!ctx) + return -ENOMEM; platform_set_drvdata(pdev, ctx); diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index 6a4811f85705..4a36632c236f 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -375,13 +375,13 @@ struct mbox_chan *mbox_request_channel_byname(struct mbox_client *cl, if (!np) { dev_err(cl->dev, "%s() currently only supports DT\n", __func__); - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EINVAL); } if (!of_get_property(np, "mbox-names", NULL)) { dev_err(cl->dev, "%s() requires an \"mbox-names\" property\n", __func__); - return ERR_PTR(-ENOSYS); + return ERR_PTR(-EINVAL); } of_property_for_each_string(np, "mbox-names", prop, mbox_name) { diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c index 0ddf638d60f3..043828d541f7 100644 --- a/drivers/mailbox/pcc.c +++ b/drivers/mailbox/pcc.c @@ -361,8 +361,6 @@ static int __init acpi_pcc_probe(void) struct acpi_generic_address *db_reg; struct acpi_pcct_hw_reduced *pcct_ss; pcc_mbox_channels[i].con_priv = pcct_entry; - pcct_entry = (struct acpi_subtable_header *) - ((unsigned long) pcct_entry + pcct_entry->length); /* If doorbell is in system memory cache the virt address */ pcct_ss = (struct acpi_pcct_hw_reduced *)pcct_entry; @@ -370,6 +368,8 @@ static int __init acpi_pcc_probe(void) if (db_reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) pcc_doorbell_vaddr[i] = acpi_os_ioremap(db_reg->address, db_reg->bit_width/8); + pcct_entry = (struct acpi_subtable_header *) + ((unsigned long) pcct_entry + pcct_entry->length); } pcc_mbox_ctrl.num_chans = count; diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 7df6b4f1548a..3fe86b54d50b 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -322,7 +322,7 @@ __clear_page_buffers(struct page *page) { ClearPagePrivate(page); set_page_private(page, 0); - page_cache_release(page); + put_page(page); } static void free_buffers(struct page *page) { @@ -1673,6 +1673,9 @@ static void bitmap_free(struct bitmap *bitmap) if (!bitmap) /* there was no bitmap */ return; + if (bitmap->sysfs_can_clear) + sysfs_put(bitmap->sysfs_can_clear); + if (mddev_is_clustered(bitmap->mddev) && bitmap->mddev->cluster_info && bitmap->cluster_slot == md_cluster_ops->slot_number(bitmap->mddev)) md_cluster_stop(bitmap->mddev); @@ -1712,15 +1715,13 @@ void bitmap_destroy(struct mddev *mddev) if (mddev->thread) mddev->thread->timeout = MAX_SCHEDULE_TIMEOUT; - if (bitmap->sysfs_can_clear) - sysfs_put(bitmap->sysfs_can_clear); - bitmap_free(bitmap); } /* * initialize the bitmap structure * if this returns an error, bitmap_destroy must be called to do clean up + * once mddev->bitmap is set */ struct bitmap *bitmap_create(struct mddev *mddev, int slot) { @@ -1865,8 +1866,10 @@ int bitmap_copy_from_slot(struct mddev *mddev, int slot, struct bitmap_counts *counts; struct bitmap *bitmap = bitmap_create(mddev, slot); - if (IS_ERR(bitmap)) + if (IS_ERR(bitmap)) { + bitmap_free(bitmap); return PTR_ERR(bitmap); + } rv = bitmap_init_from_disk(bitmap, 0); if (rv) @@ -2170,14 +2173,14 @@ location_store(struct mddev *mddev, const char *buf, size_t len) else { mddev->bitmap = bitmap; rv = bitmap_load(mddev); - if (rv) { - bitmap_destroy(mddev); + if (rv) mddev->bitmap_info.offset = 0; - } } mddev->pers->quiesce(mddev, 0); - if (rv) + if (rv) { + bitmap_destroy(mddev); return rv; + } } } } diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 27f2ef300f8b..3970cda10080 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -867,39 +867,55 @@ static int blocks_are_unmapped_or_clean(struct dm_cache_metadata *cmd, return 0; } -#define WRITE_LOCK(cmd) \ - down_write(&cmd->root_lock); \ - if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \ - up_write(&cmd->root_lock); \ - return -EINVAL; \ +static bool cmd_write_lock(struct dm_cache_metadata *cmd) +{ + down_write(&cmd->root_lock); + if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { + up_write(&cmd->root_lock); + return false; } + return true; +} -#define WRITE_LOCK_VOID(cmd) \ - down_write(&cmd->root_lock); \ - if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \ - up_write(&cmd->root_lock); \ - return; \ - } +#define WRITE_LOCK(cmd) \ + do { \ + if (!cmd_write_lock((cmd))) \ + return -EINVAL; \ + } while(0) + +#define WRITE_LOCK_VOID(cmd) \ + do { \ + if (!cmd_write_lock((cmd))) \ + return; \ + } while(0) #define WRITE_UNLOCK(cmd) \ - up_write(&cmd->root_lock) + up_write(&(cmd)->root_lock) -#define READ_LOCK(cmd) \ - down_read(&cmd->root_lock); \ - if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \ - up_read(&cmd->root_lock); \ - return -EINVAL; \ +static bool cmd_read_lock(struct dm_cache_metadata *cmd) +{ + down_read(&cmd->root_lock); + if (cmd->fail_io) { + up_read(&cmd->root_lock); + return false; } + return true; +} -#define READ_LOCK_VOID(cmd) \ - down_read(&cmd->root_lock); \ - if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \ - up_read(&cmd->root_lock); \ - return; \ - } +#define READ_LOCK(cmd) \ + do { \ + if (!cmd_read_lock((cmd))) \ + return -EINVAL; \ + } while(0) + +#define READ_LOCK_VOID(cmd) \ + do { \ + if (!cmd_read_lock((cmd))) \ + return; \ + } while(0) #define READ_UNLOCK(cmd) \ - up_read(&cmd->root_lock) + up_read(&(cmd)->root_lock) int dm_cache_resize(struct dm_cache_metadata *cmd, dm_cblock_t new_cache_size) { diff --git a/drivers/md/dm.c b/drivers/md/dm.c index be4905769a45..3d3ac13287a4 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1662,8 +1662,10 @@ static int __clone_and_map_data_bio(struct clone_info *ci, struct dm_target *ti, tio = alloc_tio(ci, ti, target_bio_nr); tio->len_ptr = len; r = clone_bio(tio, bio, sector, *len); - if (r < 0) + if (r < 0) { + free_tio(ci->md, tio); break; + } __map_bio(tio); } diff --git a/drivers/md/md.c b/drivers/md/md.c index c068f171b4eb..14d3b37944df 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -284,6 +284,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio) * go away inside make_request */ sectors = bio_sectors(bio); + /* bio could be mergeable after passing to underlayer */ + bio->bi_rw &= ~REQ_NOMERGE; mddev->pers->make_request(mddev, bio); cpu = part_stat_lock(); @@ -718,6 +720,7 @@ static void super_written(struct bio *bio) if (atomic_dec_and_test(&mddev->pending_writes)) wake_up(&mddev->sb_wait); + rdev_dec_pending(rdev, mddev); bio_put(bio); } @@ -732,6 +735,8 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, */ struct bio *bio = bio_alloc_mddev(GFP_NOIO, 1, mddev); + atomic_inc(&rdev->nr_pending); + bio->bi_bdev = rdev->meta_bdev ? rdev->meta_bdev : rdev->bdev; bio->bi_iter.bi_sector = sector; bio_add_page(bio, page, size, 0); @@ -6883,7 +6888,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, case ADD_NEW_DISK: /* We can support ADD_NEW_DISK on read-only arrays - * on if we are re-adding a preexisting device. + * only if we are re-adding a preexisting device. * So require mddev->pers and MD_DISK_SYNC. */ if (mddev->pers) { diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 2ea12c6bf659..34783a3c8b3c 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -70,7 +70,6 @@ static void dump_zones(struct mddev *mddev) (unsigned long long)zone_size>>1); zone_start = conf->strip_zone[j].zone_end; } - printk(KERN_INFO "\n"); } static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) @@ -85,6 +84,7 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf) struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL); unsigned short blksize = 512; + *private_conf = ERR_PTR(-ENOMEM); if (!conf) return -ENOMEM; rdev_for_each(rdev1, mddev) { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 39fb21e048e6..a7f2b9c9f8a0 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -570,7 +570,7 @@ static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sect if (best_dist_disk < 0) { if (is_badblock(rdev, this_sector, sectors, &first_bad, &bad_sectors)) { - if (first_bad < this_sector) + if (first_bad <= this_sector) /* Cannot use this */ continue; best_good_sectors = first_bad - this_sector; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8ab8b65e1741..e48c262ce032 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3502,8 +3502,6 @@ returnbi: dev = &sh->dev[i]; } else if (test_bit(R5_Discard, &dev->flags)) discard_pending = 1; - WARN_ON(test_bit(R5_SkipCopy, &dev->flags)); - WARN_ON(dev->page != dev->orig_page); } r5l_stripe_write_finished(sh); diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 6e43c95629ea..3cfd7af8c5ca 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -846,11 +846,11 @@ struct media_device *media_device_find_devres(struct device *dev) } EXPORT_SYMBOL_GPL(media_device_find_devres); +#if IS_ENABLED(CONFIG_PCI) void media_device_pci_init(struct media_device *mdev, struct pci_dev *pci_dev, const char *name) { -#ifdef CONFIG_PCI mdev->dev = &pci_dev->dev; if (name) @@ -866,16 +866,16 @@ void media_device_pci_init(struct media_device *mdev, mdev->driver_version = LINUX_VERSION_CODE; media_device_init(mdev); -#endif } EXPORT_SYMBOL_GPL(media_device_pci_init); +#endif +#if IS_ENABLED(CONFIG_USB) void __media_device_usb_init(struct media_device *mdev, struct usb_device *udev, const char *board_name, const char *driver_name) { -#ifdef CONFIG_USB mdev->dev = &udev->dev; if (driver_name) @@ -895,9 +895,9 @@ void __media_device_usb_init(struct media_device *mdev, mdev->driver_version = LINUX_VERSION_CODE; media_device_init(mdev); -#endif } EXPORT_SYMBOL_GPL(__media_device_usb_init); +#endif #endif /* CONFIG_MEDIA_CONTROLLER */ diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index feb521f28e14..4f494acd8150 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -1446,22 +1446,13 @@ static int fimc_md_probe(struct platform_device *pdev) platform_set_drvdata(pdev, fmd); - /* Protect the media graph while we're registering entities */ - mutex_lock(&fmd->media_dev.graph_mutex); - ret = fimc_md_register_platform_entities(fmd, dev->of_node); - if (ret) { - mutex_unlock(&fmd->media_dev.graph_mutex); + if (ret) goto err_clk; - } ret = fimc_md_register_sensor_entities(fmd); - if (ret) { - mutex_unlock(&fmd->media_dev.graph_mutex); + if (ret) goto err_m_ent; - } - - mutex_unlock(&fmd->media_dev.graph_mutex); ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode); if (ret) diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c index 0b44b9accf50..af237af204e2 100644 --- a/drivers/media/platform/s3c-camif/camif-core.c +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -493,21 +493,17 @@ static int s3c_camif_probe(struct platform_device *pdev) if (ret < 0) goto err_sens; - mutex_lock(&camif->media_dev.graph_mutex); - ret = v4l2_device_register_subdev_nodes(&camif->v4l2_dev); if (ret < 0) - goto err_unlock; + goto err_sens; ret = camif_register_video_nodes(camif); if (ret < 0) - goto err_unlock; + goto err_sens; ret = camif_create_media_links(camif); if (ret < 0) - goto err_unlock; - - mutex_unlock(&camif->media_dev.graph_mutex); + goto err_sens; ret = media_device_register(&camif->media_dev); if (ret < 0) @@ -516,8 +512,6 @@ static int s3c_camif_probe(struct platform_device *pdev) pm_runtime_put(dev); return 0; -err_unlock: - mutex_unlock(&camif->media_dev.graph_mutex); err_sens: v4l2_device_unregister(&camif->v4l2_dev); media_device_unregister(&camif->media_dev); diff --git a/drivers/media/usb/au0828/au0828-cards.c b/drivers/media/usb/au0828/au0828-cards.c index ca861aea68a5..6b469e8c4c6e 100644 --- a/drivers/media/usb/au0828/au0828-cards.c +++ b/drivers/media/usb/au0828/au0828-cards.c @@ -228,10 +228,6 @@ void au0828_card_analog_fe_setup(struct au0828_dev *dev) "au8522", 0x8e >> 1, NULL); if (sd == NULL) pr_err("analog subdev registration failed\n"); -#ifdef CONFIG_MEDIA_CONTROLLER - if (sd) - dev->decoder = &sd->entity; -#endif } /* Setup tuners */ diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 5dc82e8c8670..cc22b32776ad 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -137,8 +137,14 @@ static void au0828_unregister_media_device(struct au0828_dev *dev) #ifdef CONFIG_MEDIA_CONTROLLER if (dev->media_dev && media_devnode_is_registered(&dev->media_dev->devnode)) { + /* clear enable_source, disable_source */ + dev->media_dev->source_priv = NULL; + dev->media_dev->enable_source = NULL; + dev->media_dev->disable_source = NULL; + media_device_unregister(dev->media_dev); media_device_cleanup(dev->media_dev); + kfree(dev->media_dev); dev->media_dev = NULL; } #endif @@ -166,7 +172,7 @@ static void au0828_usb_disconnect(struct usb_interface *interface) Set the status so poll routines can check and avoid access after disconnect. */ - dev->dev_state = DEV_DISCONNECTED; + set_bit(DEV_DISCONNECTED, &dev->dev_state); au0828_rc_unregister(dev); /* Digital TV */ @@ -192,7 +198,7 @@ static int au0828_media_device_init(struct au0828_dev *dev, #ifdef CONFIG_MEDIA_CONTROLLER struct media_device *mdev; - mdev = media_device_get_devres(&udev->dev); + mdev = kzalloc(sizeof(*mdev), GFP_KERNEL); if (!mdev) return -ENOMEM; @@ -456,7 +462,8 @@ static int au0828_media_device_register(struct au0828_dev *dev, { #ifdef CONFIG_MEDIA_CONTROLLER int ret; - struct media_entity *entity, *demod = NULL, *tuner = NULL; + struct media_entity *entity, *demod = NULL; + struct media_link *link; if (!dev->media_dev) return 0; @@ -482,26 +489,37 @@ static int au0828_media_device_register(struct au0828_dev *dev, } /* - * Find tuner and demod to disable the link between - * the two to avoid disable step when tuner is requested - * by video or audio. Note that this step can't be done - * until dvb graph is created during dvb register. + * Find tuner, decoder and demod. + * + * The tuner and decoder should be cached, as they'll be used by + * au0828_enable_source. + * + * It also needs to disable the link between tuner and + * decoder/demod, to avoid disable step when tuner is requested + * by video or audio. Note that this step can't be done until dvb + * graph is created during dvb register. */ media_device_for_each_entity(entity, dev->media_dev) { - if (entity->function == MEDIA_ENT_F_DTV_DEMOD) + switch (entity->function) { + case MEDIA_ENT_F_TUNER: + dev->tuner = entity; + break; + case MEDIA_ENT_F_ATV_DECODER: + dev->decoder = entity; + break; + case MEDIA_ENT_F_DTV_DEMOD: demod = entity; - else if (entity->function == MEDIA_ENT_F_TUNER) - tuner = entity; + break; + } } - /* Disable link between tuner and demod */ - if (tuner && demod) { - struct media_link *link; - list_for_each_entry(link, &demod->links, list) { - if (link->sink->entity == demod && - link->source->entity == tuner) { + /* Disable link between tuner->demod and/or tuner->decoder */ + if (dev->tuner) { + list_for_each_entry(link, &dev->tuner->links, list) { + if (demod && link->sink->entity == demod) + media_entity_setup_link(link, 0); + if (dev->decoder && link->sink->entity == dev->decoder) media_entity_setup_link(link, 0); - } } } diff --git a/drivers/media/usb/au0828/au0828-input.c b/drivers/media/usb/au0828/au0828-input.c index b0f067971979..3d6687f0407d 100644 --- a/drivers/media/usb/au0828/au0828-input.c +++ b/drivers/media/usb/au0828/au0828-input.c @@ -130,7 +130,7 @@ static int au0828_get_key_au8522(struct au0828_rc *ir) bool first = true; /* do nothing if device is disconnected */ - if (ir->dev->dev_state == DEV_DISCONNECTED) + if (test_bit(DEV_DISCONNECTED, &ir->dev->dev_state)) return 0; /* Check IR int */ @@ -260,7 +260,7 @@ static void au0828_rc_stop(struct rc_dev *rc) cancel_delayed_work_sync(&ir->work); /* do nothing if device is disconnected */ - if (ir->dev->dev_state != DEV_DISCONNECTED) { + if (!test_bit(DEV_DISCONNECTED, &ir->dev->dev_state)) { /* Disable IR */ au8522_rc_clear(ir, 0xe0, 1 << 4); } diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 13f6dab9ccc2..32d7db96479c 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -106,14 +106,13 @@ static inline void print_err_status(struct au0828_dev *dev, static int check_dev(struct au0828_dev *dev) { - if (dev->dev_state & DEV_DISCONNECTED) { + if (test_bit(DEV_DISCONNECTED, &dev->dev_state)) { pr_info("v4l2 ioctl: device not present\n"); return -ENODEV; } - if (dev->dev_state & DEV_MISCONFIGURED) { - pr_info("v4l2 ioctl: device is misconfigured; " - "close and open it again\n"); + if (test_bit(DEV_MISCONFIGURED, &dev->dev_state)) { + pr_info("v4l2 ioctl: device is misconfigured; close and open it again\n"); return -EIO; } return 0; @@ -521,8 +520,8 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) if (!dev) return 0; - if ((dev->dev_state & DEV_DISCONNECTED) || - (dev->dev_state & DEV_MISCONFIGURED)) + if (test_bit(DEV_DISCONNECTED, &dev->dev_state) || + test_bit(DEV_MISCONFIGURED, &dev->dev_state)) return 0; if (urb->status < 0) { @@ -824,10 +823,10 @@ static int au0828_stream_interrupt(struct au0828_dev *dev) int ret = 0; dev->stream_state = STREAM_INTERRUPT; - if (dev->dev_state == DEV_DISCONNECTED) + if (test_bit(DEV_DISCONNECTED, &dev->dev_state)) return -ENODEV; else if (ret) { - dev->dev_state = DEV_MISCONFIGURED; + set_bit(DEV_MISCONFIGURED, &dev->dev_state); dprintk(1, "%s device is misconfigured!\n", __func__); return ret; } @@ -1026,7 +1025,7 @@ static int au0828_v4l2_open(struct file *filp) int ret; dprintk(1, - "%s called std_set %d dev_state %d stream users %d users %d\n", + "%s called std_set %d dev_state %ld stream users %d users %d\n", __func__, dev->std_set_in_tuner_core, dev->dev_state, dev->streaming_users, dev->users); @@ -1045,7 +1044,7 @@ static int au0828_v4l2_open(struct file *filp) au0828_analog_stream_enable(dev); au0828_analog_stream_reset(dev); dev->stream_state = STREAM_OFF; - dev->dev_state |= DEV_INITIALIZED; + set_bit(DEV_INITIALIZED, &dev->dev_state); } dev->users++; mutex_unlock(&dev->lock); @@ -1059,7 +1058,7 @@ static int au0828_v4l2_close(struct file *filp) struct video_device *vdev = video_devdata(filp); dprintk(1, - "%s called std_set %d dev_state %d stream users %d users %d\n", + "%s called std_set %d dev_state %ld stream users %d users %d\n", __func__, dev->std_set_in_tuner_core, dev->dev_state, dev->streaming_users, dev->users); @@ -1075,7 +1074,7 @@ static int au0828_v4l2_close(struct file *filp) del_timer_sync(&dev->vbi_timeout); } - if (dev->dev_state == DEV_DISCONNECTED) + if (test_bit(DEV_DISCONNECTED, &dev->dev_state)) goto end; if (dev->users == 1) { @@ -1135,7 +1134,7 @@ static void au0828_init_tuner(struct au0828_dev *dev) .type = V4L2_TUNER_ANALOG_TV, }; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); if (dev->std_set_in_tuner_core) @@ -1207,7 +1206,7 @@ static int vidioc_querycap(struct file *file, void *priv, struct video_device *vdev = video_devdata(file); struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); strlcpy(cap->driver, "au0828", sizeof(cap->driver)); @@ -1250,7 +1249,7 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); f->fmt.pix.width = dev->width; @@ -1269,7 +1268,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); return au0828_set_format(dev, VIDIOC_TRY_FMT, f); @@ -1281,7 +1280,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct au0828_dev *dev = video_drvdata(file); int rc; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); rc = check_dev(dev); @@ -1303,7 +1302,7 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); if (norm == dev->std) @@ -1335,7 +1334,7 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); *norm = dev->std; @@ -1357,7 +1356,7 @@ static int vidioc_enum_input(struct file *file, void *priv, [AU0828_VMUX_DVB] = "DVB", }; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); tmp = input->index; @@ -1387,7 +1386,7 @@ static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); *i = dev->ctrl_input; @@ -1398,7 +1397,7 @@ static void au0828_s_input(struct au0828_dev *dev, int index) { int i; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); switch (AUVI_INPUT(index).type) { @@ -1496,7 +1495,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); a->index = dev->ctrl_ainput; @@ -1516,7 +1515,7 @@ static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio if (a->index != dev->ctrl_ainput) return -EINVAL; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); return 0; } @@ -1534,7 +1533,7 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) if (ret) return ret; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); strcpy(t->name, "Auvitek tuner"); @@ -1554,7 +1553,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, if (t->index != 0) return -EINVAL; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); au0828_init_tuner(dev); @@ -1576,7 +1575,7 @@ static int vidioc_g_frequency(struct file *file, void *priv, if (freq->tuner != 0) return -EINVAL; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); freq->frequency = dev->ctrl_freq; return 0; @@ -1591,7 +1590,7 @@ static int vidioc_s_frequency(struct file *file, void *priv, if (freq->tuner != 0) return -EINVAL; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); au0828_init_tuner(dev); @@ -1617,7 +1616,7 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); format->fmt.vbi.samples_per_line = dev->vbi_width; @@ -1643,7 +1642,7 @@ static int vidioc_cropcap(struct file *file, void *priv, if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); cc->bounds.left = 0; @@ -1665,7 +1664,7 @@ static int vidioc_g_register(struct file *file, void *priv, { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); reg->val = au0828_read(dev, reg->reg); @@ -1678,7 +1677,7 @@ static int vidioc_s_register(struct file *file, void *priv, { struct au0828_dev *dev = video_drvdata(file); - dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dprintk(1, "%s called std_set %d dev_state %ld\n", __func__, dev->std_set_in_tuner_core, dev->dev_state); return au0828_writereg(dev, reg->reg, reg->val); diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h index ff7f8510fb77..87f32846f1c0 100644 --- a/drivers/media/usb/au0828/au0828.h +++ b/drivers/media/usb/au0828/au0828.h @@ -21,6 +21,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/bitops.h> #include <linux/usb.h> #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> @@ -121,9 +122,9 @@ enum au0828_stream_state { /* device state */ enum au0828_dev_state { - DEV_INITIALIZED = 0x01, - DEV_DISCONNECTED = 0x02, - DEV_MISCONFIGURED = 0x04 + DEV_INITIALIZED = 0, + DEV_DISCONNECTED = 1, + DEV_MISCONFIGURED = 2 }; struct au0828_dev; @@ -247,7 +248,7 @@ struct au0828_dev { int input_type; int std_set_in_tuner_core; unsigned int ctrl_input; - enum au0828_dev_state dev_state; + long unsigned int dev_state; /* defined at enum au0828_dev_state */; enum au0828_stream_state stream_state; wait_queue_head_t open; diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index 12f5ebbd0436..ad2f3d27b266 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -1452,13 +1452,6 @@ static int usbvision_probe(struct usb_interface *intf, printk(KERN_INFO "%s: %s found\n", __func__, usbvision_device_data[model].model_string); - /* - * this is a security check. - * an exploit using an incorrect bInterfaceNumber is known - */ - if (ifnum >= USB_MAXINTERFACES || !dev->actconfig->interface[ifnum]) - return -ENODEV; - if (usbvision_device_data[model].interface >= 0) interface = &dev->actconfig->interface[usbvision_device_data[model].interface]->altsetting[0]; else if (ifnum < dev->actconfig->desc.bNumInterfaces) diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c index df4c052c6bd6..f300f060b3f3 100644 --- a/drivers/media/v4l2-core/videobuf-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf-dma-sg.c @@ -349,7 +349,7 @@ int videobuf_dma_free(struct videobuf_dmabuf *dma) if (dma->pages) { for (i = 0; i < dma->nr_pages; i++) - page_cache_release(dma->pages[i]); + put_page(dma->pages[i]); kfree(dma->pages); dma->pages = NULL; } diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 5d016f496e0e..9fbcb67a9ee6 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1645,7 +1645,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking) * Will sleep if required for nonblocking == false. */ static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb, - int nonblocking) + void *pb, int nonblocking) { unsigned long flags; int ret; @@ -1666,10 +1666,10 @@ static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb, /* * Only remove the buffer from done_list if v4l2_buffer can handle all * the planes. - * Verifying planes is NOT necessary since it already has been checked - * before the buffer is queued/prepared. So it can never fail. */ - list_del(&(*vb)->done_entry); + ret = call_bufop(q, verify_planes_array, *vb, pb); + if (!ret) + list_del(&(*vb)->done_entry); spin_unlock_irqrestore(&q->done_lock, flags); return ret; @@ -1748,7 +1748,7 @@ int vb2_core_dqbuf(struct vb2_queue *q, unsigned int *pindex, void *pb, struct vb2_buffer *vb = NULL; int ret; - ret = __vb2_get_done_vb(q, &vb, nonblocking); + ret = __vb2_get_done_vb(q, &vb, pb, nonblocking); if (ret < 0) return ret; @@ -2298,6 +2298,16 @@ unsigned int vb2_core_poll(struct vb2_queue *q, struct file *file, return POLLERR; /* + * If this quirk is set and QBUF hasn't been called yet then + * return POLLERR as well. This only affects capture queues, output + * queues will always initialize waiting_for_buffers to false. + * This quirk is set by V4L2 for backwards compatibility reasons. + */ + if (q->quirk_poll_must_check_waiting_for_buffers && + q->waiting_for_buffers && (req_events & (POLLIN | POLLRDNORM))) + return POLLERR; + + /* * For output streams you can call write() as long as there are fewer * buffers queued than there are buffers available. */ diff --git a/drivers/media/v4l2-core/videobuf2-memops.c b/drivers/media/v4l2-core/videobuf2-memops.c index dbec5923fcf0..3c3b517f1d1c 100644 --- a/drivers/media/v4l2-core/videobuf2-memops.c +++ b/drivers/media/v4l2-core/videobuf2-memops.c @@ -49,7 +49,7 @@ struct frame_vector *vb2_create_framevec(unsigned long start, vec = frame_vector_create(nr); if (!vec) return ERR_PTR(-ENOMEM); - ret = get_vaddr_frames(start, nr, write, 1, vec); + ret = get_vaddr_frames(start & PAGE_MASK, nr, write, true, vec); if (ret < 0) goto out_destroy; /* We accept only complete set of PFNs */ diff --git a/drivers/media/v4l2-core/videobuf2-v4l2.c b/drivers/media/v4l2-core/videobuf2-v4l2.c index 91f552124050..7f366f1b0377 100644 --- a/drivers/media/v4l2-core/videobuf2-v4l2.c +++ b/drivers/media/v4l2-core/videobuf2-v4l2.c @@ -74,6 +74,11 @@ static int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer return 0; } +static int __verify_planes_array_core(struct vb2_buffer *vb, const void *pb) +{ + return __verify_planes_array(vb, pb); +} + /** * __verify_length() - Verify that the bytesused value for each plane fits in * the plane length and that the data offset doesn't exceed the bytesused value. @@ -437,6 +442,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb, } static const struct vb2_buf_ops v4l2_buf_ops = { + .verify_planes_array = __verify_planes_array_core, .fill_user_buffer = __fill_v4l2_buffer, .fill_vb2_buffer = __fill_vb2_buffer, .copy_timestamp = __copy_timestamp, @@ -765,6 +771,12 @@ int vb2_queue_init(struct vb2_queue *q) q->is_output = V4L2_TYPE_IS_OUTPUT(q->type); q->copy_timestamp = (q->timestamp_flags & V4L2_BUF_FLAG_TIMESTAMP_MASK) == V4L2_BUF_FLAG_TIMESTAMP_COPY; + /* + * For compatibility with vb1: if QBUF hasn't been called yet, then + * return POLLERR as well. This only affects capture queues, output + * queues will always initialize waiting_for_buffers to false. + */ + q->quirk_poll_must_check_waiting_for_buffers = true; return vb2_core_queue_init(q); } @@ -818,14 +830,6 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait) poll_wait(file, &fh->wait, wait); } - /* - * For compatibility with vb1: if QBUF hasn't been called yet, then - * return POLLERR as well. This only affects capture queues, output - * queues will always initialize waiting_for_buffers to false. - */ - if (q->waiting_for_buffers && (req_events & (POLLIN | POLLRDNORM))) - return POLLERR; - return res | vb2_core_poll(q, file, wait); } EXPORT_SYMBOL_GPL(vb2_poll); diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index 10370f280500..7edea9c19199 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -223,6 +223,13 @@ int __detach_context(struct cxl_context *ctx) cxl_ops->link_ok(ctx->afu->adapter, ctx->afu)); flush_work(&ctx->fault_work); /* Only needed for dedicated process */ + /* + * Wait until no further interrupts are presented by the PSL + * for this context. + */ + if (cxl_ops->irq_wait) + cxl_ops->irq_wait(ctx); + /* release the reference to the group leader and mm handling pid */ put_pid(ctx->pid); put_pid(ctx->glpid); diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index 38e21cf7806e..73dc2a33da74 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -274,6 +274,7 @@ static const cxl_p2n_reg_t CXL_PSL_WED_An = {0x0A0}; #define CXL_PSL_DSISR_An_PE (1ull << (63-4)) /* PSL Error (implementation specific) */ #define CXL_PSL_DSISR_An_AE (1ull << (63-5)) /* AFU Error */ #define CXL_PSL_DSISR_An_OC (1ull << (63-6)) /* OS Context Warning */ +#define CXL_PSL_DSISR_PENDING (CXL_PSL_DSISR_TRANS | CXL_PSL_DSISR_An_PE | CXL_PSL_DSISR_An_AE | CXL_PSL_DSISR_An_OC) /* NOTE: Bits 32:63 are undefined if DSISR[DS] = 1 */ #define CXL_PSL_DSISR_An_M DSISR_NOHPTE /* PTE not found */ #define CXL_PSL_DSISR_An_P DSISR_PROTFAULT /* Storage protection violation */ @@ -855,6 +856,7 @@ struct cxl_backend_ops { u64 dsisr, u64 errstat); irqreturn_t (*psl_interrupt)(int irq, void *data); int (*ack_irq)(struct cxl_context *ctx, u64 tfc, u64 psl_reset_mask); + void (*irq_wait)(struct cxl_context *ctx); int (*attach_process)(struct cxl_context *ctx, bool kernel, u64 wed, u64 amr); int (*detach_process)(struct cxl_context *ctx); diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c index be646dc41a2c..8def4553acba 100644 --- a/drivers/misc/cxl/irq.c +++ b/drivers/misc/cxl/irq.c @@ -203,7 +203,6 @@ unsigned int cxl_map_irq(struct cxl *adapter, irq_hw_number_t hwirq, void cxl_unmap_irq(unsigned int virq, void *cookie) { free_irq(virq, cookie); - irq_dispose_mapping(virq); } int cxl_register_one_irq(struct cxl *adapter, diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c index 387fcbdf9793..ecf7557cd657 100644 --- a/drivers/misc/cxl/native.c +++ b/drivers/misc/cxl/native.c @@ -14,6 +14,7 @@ #include <linux/mutex.h> #include <linux/mm.h> #include <linux/uaccess.h> +#include <linux/delay.h> #include <asm/synch.h> #include <misc/cxl-base.h> @@ -797,6 +798,35 @@ static irqreturn_t native_irq_multiplexed(int irq, void *data) return fail_psl_irq(afu, &irq_info); } +void native_irq_wait(struct cxl_context *ctx) +{ + u64 dsisr; + int timeout = 1000; + int ph; + + /* + * Wait until no further interrupts are presented by the PSL + * for this context. + */ + while (timeout--) { + ph = cxl_p2n_read(ctx->afu, CXL_PSL_PEHandle_An) & 0xffff; + if (ph != ctx->pe) + return; + dsisr = cxl_p2n_read(ctx->afu, CXL_PSL_DSISR_An); + if ((dsisr & CXL_PSL_DSISR_PENDING) == 0) + return; + /* + * We are waiting for the workqueue to process our + * irq, so need to let that run here. + */ + msleep(1); + } + + dev_warn(&ctx->afu->dev, "WARNING: waiting on DSI for PE %i" + " DSISR %016llx!\n", ph, dsisr); + return; +} + static irqreturn_t native_slice_irq_err(int irq, void *data) { struct cxl_afu *afu = data; @@ -1076,6 +1106,7 @@ const struct cxl_backend_ops cxl_native_ops = { .handle_psl_slice_error = native_handle_psl_slice_error, .psl_interrupt = NULL, .ack_irq = native_ack_irq, + .irq_wait = native_irq_wait, .attach_process = native_attach_process, .detach_process = native_detach_process, .support_attributes = native_support_attributes, diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index e8b933111e0d..9c677f3f3c26 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -116,8 +116,8 @@ static int ibmasmfs_fill_super (struct super_block *sb, void *data, int silent) { struct inode *root; - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; + sb->s_blocksize = PAGE_SIZE; + sb->s_blocksize_bits = PAGE_SHIFT; sb->s_magic = IBMASMFS_MAGIC; sb->s_op = &ibmasmfs_s_ops; sb->s_time_gran = 1; diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c index 5f1a36b8fbb0..0a5cbbe12452 100644 --- a/drivers/misc/lkdtm.c +++ b/drivers/misc/lkdtm.c @@ -458,8 +458,10 @@ static void lkdtm_do_action(enum ctype which) break; val = kmalloc(len, GFP_KERNEL); - if (!val) + if (!val) { + kfree(base); break; + } *val = 0x12345678; base[offset] = *val; @@ -498,14 +500,17 @@ static void lkdtm_do_action(enum ctype which) } case CT_READ_BUDDY_AFTER_FREE: { unsigned long p = __get_free_page(GFP_KERNEL); - int saw, *val = kmalloc(1024, GFP_KERNEL); + int saw, *val; int *base; if (!p) break; - if (!val) + val = kmalloc(1024, GFP_KERNEL); + if (!val) { + free_page(p); break; + } base = (int *)p; diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c index e94c7fb6712a..88e45234d527 100644 --- a/drivers/misc/mic/vop/vop_vringh.c +++ b/drivers/misc/mic/vop/vop_vringh.c @@ -945,6 +945,11 @@ static long vop_ioctl(struct file *f, unsigned int cmd, unsigned long arg) ret = -EFAULT; goto free_ret; } + /* Ensure desc has not changed between the two reads */ + if (memcmp(&dd, dd_config, sizeof(dd))) { + ret = -EINVAL; + goto free_ret; + } mutex_lock(&vdev->vdev_mutex); mutex_lock(&vi->vop_mutex); ret = vop_virtio_add_device(vdev, dd_config); diff --git a/drivers/misc/vmw_vmci/vmci_queue_pair.c b/drivers/misc/vmw_vmci/vmci_queue_pair.c index f42d9c4e4561..f84a4275ca29 100644 --- a/drivers/misc/vmw_vmci/vmci_queue_pair.c +++ b/drivers/misc/vmw_vmci/vmci_queue_pair.c @@ -728,7 +728,7 @@ static void qp_release_pages(struct page **pages, if (dirty) set_page_dirty(pages[i]); - page_cache_release(pages[i]); + put_page(pages[i]); pages[i] = NULL; } } diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 3bdbe50a363f..8a0147dfed27 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -86,7 +86,6 @@ static int max_devices; /* TODO: Replace these with struct ida */ static DECLARE_BITMAP(dev_use, MAX_DEVICES); -static DECLARE_BITMAP(name_use, MAX_DEVICES); /* * There is one mmc_blk_data per slot. @@ -105,7 +104,6 @@ struct mmc_blk_data { unsigned int usage; unsigned int read_only; unsigned int part_type; - unsigned int name_idx; unsigned int reset_done; #define MMC_BLK_READ BIT(0) #define MMC_BLK_WRITE BIT(1) @@ -2202,19 +2200,6 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, goto out; } - /* - * !subname implies we are creating main mmc_blk_data that will be - * associated with mmc_card with dev_set_drvdata. Due to device - * partitions, devidx will not coincide with a per-physical card - * index anymore so we keep track of a name index. - */ - if (!subname) { - md->name_idx = find_first_zero_bit(name_use, max_devices); - __set_bit(md->name_idx, name_use); - } else - md->name_idx = ((struct mmc_blk_data *) - dev_to_disk(parent)->private_data)->name_idx; - md->area_type = area_type; /* @@ -2264,7 +2249,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, */ snprintf(md->disk->disk_name, sizeof(md->disk->disk_name), - "mmcblk%u%s", md->name_idx, subname ? subname : ""); + "mmcblk%u%s", card->host->index, subname ? subname : ""); if (mmc_card_mmc(card)) blk_queue_logical_block_size(md->queue.queue, @@ -2418,7 +2403,6 @@ static void mmc_blk_remove_parts(struct mmc_card *card, struct list_head *pos, *q; struct mmc_blk_data *part_md; - __clear_bit(md->name_idx, name_use); list_for_each_safe(pos, q, &md->part) { part_md = list_entry(pos, struct mmc_blk_data, part); list_del(pos); diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 1d94607611d8..6e4c55a4aab5 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -356,11 +356,11 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) * They have to set these according to their abilities. */ host->max_segs = 1; - host->max_seg_size = PAGE_CACHE_SIZE; + host->max_seg_size = PAGE_SIZE; - host->max_req_size = PAGE_CACHE_SIZE; + host->max_req_size = PAGE_SIZE; host->max_blk_size = 512; - host->max_blk_count = PAGE_CACHE_SIZE / 512; + host->max_blk_count = PAGE_SIZE / 512; return host; } diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 04feea8354cb..e657af0e95fa 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -97,6 +97,7 @@ config MMC_RICOH_MMC config MMC_SDHCI_ACPI tristate "SDHCI support for ACPI enumerated SDHCI controllers" depends on MMC_SDHCI && ACPI + select IOSF_MBI if X86 help This selects support for ACPI enumerated SDHCI controllers, identified by ACPI Compatibility ID PNP0D40 or specific diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 6839e41c6d58..bed6a494f52c 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -41,6 +41,11 @@ #include <linux/mmc/pm.h> #include <linux/mmc/slot-gpio.h> +#ifdef CONFIG_X86 +#include <asm/cpu_device_id.h> +#include <asm/iosf_mbi.h> +#endif + #include "sdhci.h" enum { @@ -116,6 +121,75 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = { .ops = &sdhci_acpi_ops_int, }; +#ifdef CONFIG_X86 + +static bool sdhci_acpi_byt(void) +{ + static const struct x86_cpu_id byt[] = { + { X86_VENDOR_INTEL, 6, 0x37 }, + {} + }; + + return x86_match_cpu(byt); +} + +#define BYT_IOSF_SCCEP 0x63 +#define BYT_IOSF_OCP_NETCTRL0 0x1078 +#define BYT_IOSF_OCP_TIMEOUT_BASE GENMASK(10, 8) + +static void sdhci_acpi_byt_setting(struct device *dev) +{ + u32 val = 0; + + if (!sdhci_acpi_byt()) + return; + + if (iosf_mbi_read(BYT_IOSF_SCCEP, MBI_CR_READ, BYT_IOSF_OCP_NETCTRL0, + &val)) { + dev_err(dev, "%s read error\n", __func__); + return; + } + + if (!(val & BYT_IOSF_OCP_TIMEOUT_BASE)) + return; + + val &= ~BYT_IOSF_OCP_TIMEOUT_BASE; + + if (iosf_mbi_write(BYT_IOSF_SCCEP, MBI_CR_WRITE, BYT_IOSF_OCP_NETCTRL0, + val)) { + dev_err(dev, "%s write error\n", __func__); + return; + } + + dev_dbg(dev, "%s completed\n", __func__); +} + +static bool sdhci_acpi_byt_defer(struct device *dev) +{ + if (!sdhci_acpi_byt()) + return false; + + if (!iosf_mbi_available()) + return true; + + sdhci_acpi_byt_setting(dev); + + return false; +} + +#else + +static inline void sdhci_acpi_byt_setting(struct device *dev) +{ +} + +static inline bool sdhci_acpi_byt_defer(struct device *dev) +{ + return false; +} + +#endif + static int bxt_get_cd(struct mmc_host *mmc) { int gpio_cd = mmc_gpio_get_cd(mmc); @@ -322,6 +396,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev) if (acpi_bus_get_status(device) || !device->status.present) return -ENODEV; + if (sdhci_acpi_byt_defer(dev)) + return -EPROBE_DEFER; + hid = acpi_device_hid(device); uid = device->pnp.unique_id; @@ -447,6 +524,8 @@ static int sdhci_acpi_resume(struct device *dev) { struct sdhci_acpi_host *c = dev_get_drvdata(dev); + sdhci_acpi_byt_setting(&c->pdev->dev); + return sdhci_resume_host(c->host); } @@ -470,6 +549,8 @@ static int sdhci_acpi_runtime_resume(struct device *dev) { struct sdhci_acpi_host *c = dev_get_drvdata(dev); + sdhci_acpi_byt_setting(&c->pdev->dev); + return sdhci_runtime_resume_host(c->host); } diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 62aa5d0efcee..79e19017343e 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -390,6 +390,7 @@ static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) slot->cd_idx = 0; slot->cd_override_level = true; if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXT_SD || + slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BXTM_SD || slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_APL_SD) slot->host->mmc_host_ops.get_cd = bxt_get_cd; @@ -1173,6 +1174,30 @@ static const struct pci_device_id pci_ids[] = { { .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BXTM_EMMC, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_emmc, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BXTM_SDIO, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sdio, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_BXTM_SD, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = (kernel_ulong_t)&sdhci_intel_byt_sd, + }, + + { + .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_APL_EMMC, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index d1a0b4db60db..89e7151684a1 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -28,6 +28,9 @@ #define PCI_DEVICE_ID_INTEL_BXT_SD 0x0aca #define PCI_DEVICE_ID_INTEL_BXT_EMMC 0x0acc #define PCI_DEVICE_ID_INTEL_BXT_SDIO 0x0ad0 +#define PCI_DEVICE_ID_INTEL_BXTM_SD 0x1aca +#define PCI_DEVICE_ID_INTEL_BXTM_EMMC 0x1acc +#define PCI_DEVICE_ID_INTEL_BXTM_SDIO 0x1ad0 #define PCI_DEVICE_ID_INTEL_APL_SD 0x5aca #define PCI_DEVICE_ID_INTEL_APL_EMMC 0x5acc #define PCI_DEVICE_ID_INTEL_APL_SDIO 0x5ad0 diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index aca439d3ca83..30132500aa1c 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -309,8 +309,30 @@ static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs) __func__, uhs, ctrl_2); } +static void pxav3_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + struct mmc_host *mmc = host->mmc; + u8 pwr = host->pwr; + + sdhci_set_power(host, mode, vdd); + + if (host->pwr == pwr) + return; + + if (host->pwr == 0) + vdd = 0; + + if (!IS_ERR(mmc->supply.vmmc)) { + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); + } +} + static const struct sdhci_ops pxav3_sdhci_ops = { .set_clock = sdhci_set_clock, + .set_power = pxav3_set_power, .platform_send_init_74_clocks = pxav3_gen_init_74_clocks, .get_max_clock = sdhci_pltfm_clk_get_max_clock, .set_bus_width = sdhci_set_bus_width, diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index f8c4762bb48d..bcc0de47fe7e 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -382,14 +382,6 @@ static const struct sdhci_tegra_soc_data soc_data_tegra114 = { .pdata = &sdhci_tegra114_pdata, }; -static const struct sdhci_tegra_soc_data soc_data_tegra124 = { - .pdata = &sdhci_tegra114_pdata, - .nvquirks = NVQUIRK_ENABLE_SDR50 | - NVQUIRK_ENABLE_DDR50 | - NVQUIRK_ENABLE_SDR104 | - NVQUIRK_HAS_PADCALIB, -}; - static const struct sdhci_pltfm_data sdhci_tegra210_pdata = { .quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | @@ -407,7 +399,7 @@ static const struct sdhci_tegra_soc_data soc_data_tegra210 = { static const struct of_device_id sdhci_tegra_dt_match[] = { { .compatible = "nvidia,tegra210-sdhci", .data = &soc_data_tegra210 }, - { .compatible = "nvidia,tegra124-sdhci", .data = &soc_data_tegra124 }, + { .compatible = "nvidia,tegra124-sdhci", .data = &soc_data_tegra114 }, { .compatible = "nvidia,tegra114-sdhci", .data = &soc_data_tegra114 }, { .compatible = "nvidia,tegra30-sdhci", .data = &soc_data_tegra30 }, { .compatible = "nvidia,tegra20-sdhci", .data = &soc_data_tegra20 }, diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 8670f162dec7..6bd3d1794966 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1210,10 +1210,24 @@ clock_set: } EXPORT_SYMBOL_GPL(sdhci_set_clock); -static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, - unsigned short vdd) +static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) { struct mmc_host *mmc = host->mmc; + + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); + + if (mode != MMC_POWER_OFF) + sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL); + else + sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); +} + +void sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ u8 pwr = 0; if (mode != MMC_POWER_OFF) { @@ -1245,7 +1259,6 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) sdhci_runtime_pm_bus_off(host); - vdd = 0; } else { /* * Spec says that we should clear the power reg before setting @@ -1276,12 +1289,20 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned char mode, if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) mdelay(10); } +} +EXPORT_SYMBOL_GPL(sdhci_set_power); - if (!IS_ERR(mmc->supply.vmmc)) { - spin_unlock_irq(&host->lock); - mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); - spin_lock_irq(&host->lock); - } +static void __sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + struct mmc_host *mmc = host->mmc; + + if (host->ops->set_power) + host->ops->set_power(host, mode, vdd); + else if (!IS_ERR(mmc->supply.vmmc)) + sdhci_set_power_reg(host, mode, vdd); + else + sdhci_set_power(host, mode, vdd); } /*****************************************************************************\ @@ -1431,7 +1452,7 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios) } } - sdhci_set_power(host, ios->power_mode, ios->vdd); + __sdhci_set_power(host, ios->power_mode, ios->vdd); if (host->ops->platform_send_init_74_clocks) host->ops->platform_send_init_74_clocks(host, ios->power_mode); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 3bd28033dbd9..0f39f4f84d10 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -529,6 +529,8 @@ struct sdhci_ops { #endif void (*set_clock)(struct sdhci_host *host, unsigned int clock); + void (*set_power)(struct sdhci_host *host, unsigned char mode, + unsigned short vdd); int (*enable_dma)(struct sdhci_host *host); unsigned int (*get_max_clock)(struct sdhci_host *host); @@ -660,6 +662,8 @@ static inline bool sdhci_sdio_irq_enabled(struct sdhci_host *host) } void sdhci_set_clock(struct sdhci_host *host, unsigned int clock); +void sdhci_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd); void sdhci_set_bus_width(struct sdhci_host *host, int width); void sdhci_reset(struct sdhci_host *host, u8 mask); void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing); diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 8d870ce9f944..d9a655f47d41 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -1513,7 +1513,7 @@ static int sh_mmcif_probe(struct platform_device *pdev) mmc->caps |= pd->caps; mmc->max_segs = 32; mmc->max_blk_size = 512; - mmc->max_req_size = PAGE_CACHE_SIZE * mmc->max_segs; + mmc->max_req_size = PAGE_SIZE * mmc->max_segs; mmc->max_blk_count = mmc->max_req_size / mmc->max_blk_size; mmc->max_seg_size = mmc->max_req_size; diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 8372a413848c..7fc8b7aa83f0 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -1129,6 +1129,11 @@ static int sunxi_mmc_probe(struct platform_device *pdev) MMC_CAP_1_8V_DDR | MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ; + /* TODO MMC DDR is not working on A80 */ + if (of_device_is_compatible(pdev->dev.of_node, + "allwinner,sun9i-a80-mmc")) + mmc->caps &= ~MMC_CAP_1_8V_DDR; + ret = mmc_of_parse(mmc); if (ret) goto error_free_dma; diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c index 675435873823..7fb0c034dcb6 100644 --- a/drivers/mmc/host/tmio_mmc_dma.c +++ b/drivers/mmc/host/tmio_mmc_dma.c @@ -63,7 +63,7 @@ static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host) } } - if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE || + if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_SIZE || (align & PAGE_MASK))) || !multiple) { ret = -EINVAL; goto pio; @@ -133,7 +133,7 @@ static void tmio_mmc_start_dma_tx(struct tmio_mmc_host *host) } } - if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_CACHE_SIZE || + if ((!aligned && (host->sg_len > 1 || sg->length > PAGE_SIZE || (align & PAGE_MASK))) || !multiple) { ret = -EINVAL; goto pio; diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 03f6e74c1906..0521b4662748 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -1125,7 +1125,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host, mmc->caps2 |= pdata->capabilities2; mmc->max_segs = 32; mmc->max_blk_size = 512; - mmc->max_blk_count = (PAGE_CACHE_SIZE / mmc->max_blk_size) * + mmc->max_blk_count = (PAGE_SIZE / mmc->max_blk_size) * mmc->max_segs; mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; mmc->max_seg_size = mmc->max_req_size; diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c index b2752fe711f2..807c06e203c3 100644 --- a/drivers/mmc/host/usdhi6rol0.c +++ b/drivers/mmc/host/usdhi6rol0.c @@ -1789,7 +1789,7 @@ static int usdhi6_probe(struct platform_device *pdev) /* Set .max_segs to some random number. Feel free to adjust. */ mmc->max_segs = 32; mmc->max_blk_size = 512; - mmc->max_req_size = PAGE_CACHE_SIZE * mmc->max_segs; + mmc->max_req_size = PAGE_SIZE * mmc->max_segs; mmc->max_blk_count = mmc->max_req_size / mmc->max_blk_size; /* * Setting .max_seg_size to 1 page would simplify our page-mapping code, diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index e2c0057737e6..7c887f111a7d 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -75,7 +75,7 @@ static int _block2mtd_erase(struct block2mtd_dev *dev, loff_t to, size_t len) break; } - page_cache_release(page); + put_page(page); pages--; index++; } @@ -124,7 +124,7 @@ static int block2mtd_read(struct mtd_info *mtd, loff_t from, size_t len, return PTR_ERR(page); memcpy(buf, page_address(page) + offset, cpylen); - page_cache_release(page); + put_page(page); if (retlen) *retlen += cpylen; @@ -164,7 +164,7 @@ static int _block2mtd_write(struct block2mtd_dev *dev, const u_char *buf, unlock_page(page); balance_dirty_pages_ratelimited(mapping); } - page_cache_release(page); + put_page(page); if (retlen) *retlen += cpylen; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index b6facac54fc0..557b8462f55e 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -4009,7 +4009,6 @@ static int nand_dt_init(struct nand_chip *chip) * This is the first phase of the normal nand_scan() function. It reads the * flash ID and sets up MTD fields accordingly. * - * The mtd->owner field must be set to the module of the caller. */ int nand_scan_ident(struct mtd_info *mtd, int maxchips, struct nand_flash_dev *table) @@ -4429,19 +4428,12 @@ EXPORT_SYMBOL(nand_scan_tail); * * This fills out all the uninitialized function pointers with the defaults. * The flash ID is read and the mtd/chip structures are filled with the - * appropriate values. The mtd->owner field must be set to the module of the - * caller. + * appropriate values. */ int nand_scan(struct mtd_info *mtd, int maxchips) { int ret; - /* Many callers got this wrong, so check for it for a while... */ - if (!mtd->owner && caller_is_module()) { - pr_crit("%s called with NULL mtd->owner!\n", __func__); - BUG(); - } - ret = nand_scan_ident(mtd, maxchips, NULL); if (!ret) ret = nand_scan_tail(mtd); diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 1fd519503bb1..a58169a28741 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -1339,7 +1339,7 @@ static void put_pages(struct nandsim *ns) int i; for (i = 0; i < ns->held_cnt; i++) - page_cache_release(ns->held_pages[i]); + put_page(ns->held_pages[i]); } /* Get page cache pages in advance to provide NOFS memory allocation */ @@ -1349,8 +1349,8 @@ static int get_pages(struct nandsim *ns, struct file *file, size_t count, loff_t struct page *page; struct address_space *mapping = file->f_mapping; - start_index = pos >> PAGE_CACHE_SHIFT; - end_index = (pos + count - 1) >> PAGE_CACHE_SHIFT; + start_index = pos >> PAGE_SHIFT; + end_index = (pos + count - 1) >> PAGE_SHIFT; if (end_index - start_index + 1 > NS_MAX_HELD_PAGES) return -EINVAL; ns->held_cnt = 0; diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 2a1ba62b7da2..befd67df08e1 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -62,9 +62,8 @@ config DUMMY this device is consigned into oblivion) with a configurable IP address. It is most commonly used in order to make your currently inactive SLIP address seem like a real address for local programs. - If you use SLIP or PPP, you might want to say Y here. Since this - thing often comes in handy, the default is Y. It won't enlarge your - kernel either. What a deal. Read about it in the Network + If you use SLIP or PPP, you might want to say Y here. It won't + enlarge your kernel. What a deal. Read about it in the Network Administrator's Guide, available from <http://www.tldp.org/docs.html#guide>. @@ -195,6 +194,7 @@ config GENEVE config MACSEC tristate "IEEE 802.1AE MAC-level encryption (MACsec)" + select CRYPTO select CRYPTO_AES select CRYPTO_GCM ---help--- diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index 50454be86570..5e572b3510b9 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2181,27 +2181,10 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port, struct net_device *bridge) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); - u16 fid; - int i, err; + int i, err = 0; mutex_lock(&ps->smi_mutex); - /* Get or create the bridge FID and assign it to the port */ - for (i = 0; i < ps->num_ports; ++i) - if (ps->ports[i].bridge_dev == bridge) - break; - - if (i < ps->num_ports) - err = _mv88e6xxx_port_fid_get(ds, i, &fid); - else - err = _mv88e6xxx_fid_new(ds, &fid); - if (err) - goto unlock; - - err = _mv88e6xxx_port_fid_set(ds, port, fid); - if (err) - goto unlock; - /* Assign the bridge and remap each port's VLANTable */ ps->ports[port].bridge_dev = bridge; @@ -2213,7 +2196,6 @@ int mv88e6xxx_port_bridge_join(struct dsa_switch *ds, int port, } } -unlock: mutex_unlock(&ps->smi_mutex); return err; @@ -2223,16 +2205,10 @@ void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port) { struct mv88e6xxx_priv_state *ps = ds_to_priv(ds); struct net_device *bridge = ps->ports[port].bridge_dev; - u16 fid; int i; mutex_lock(&ps->smi_mutex); - /* Give the port a fresh Filtering Information Database */ - if (_mv88e6xxx_fid_new(ds, &fid) || - _mv88e6xxx_port_fid_set(ds, port, fid)) - netdev_warn(ds->ports[port], "failed to assign a new FID\n"); - /* Unassign the bridge and remap each port's VLANTable */ ps->ports[port].bridge_dev = NULL; @@ -2476,9 +2452,9 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port) * the other bits clear. */ reg = 1 << port; - /* Disable learning for DSA and CPU ports */ - if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port)) - reg = PORT_ASSOC_VECTOR_LOCKED_PORT; + /* Disable learning for CPU port */ + if (dsa_is_cpu_port(ds, port)) + reg = 0; ret = _mv88e6xxx_reg_write(ds, REG_PORT(port), PORT_ASSOC_VECTOR, reg); if (ret) @@ -2558,11 +2534,11 @@ static int mv88e6xxx_setup_port(struct dsa_switch *ds, int port) if (ret) goto abort; - /* Port based VLAN map: give each port its own address + /* Port based VLAN map: give each port the same default address * database, and allow bidirectional communication between the * CPU and DSA port(s), and the other ports. */ - ret = _mv88e6xxx_port_fid_set(ds, port, port + 1); + ret = _mv88e6xxx_port_fid_set(ds, port, 0); if (ret) goto abort; diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index 8f76f4558a88..2ff465848b65 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -1412,7 +1412,7 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = -EIO; - netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_RX; + netdev->hw_features = NETIF_F_HW_VLAN_CTAG_RX; netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX); /* Init PHY as early as possible due to power saving issue */ diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 99b30a952b38..38db2e4d7d54 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1572,6 +1572,11 @@ static int bgmac_probe(struct bcma_device *core) dev_warn(&core->dev, "Using random MAC: %pM\n", mac); } + /* This (reset &) enable is not preset in specs or reference driver but + * Broadcom does it in arch PCI code when enabling fake PCI device. + */ + bcma_core_enable(core, 0); + /* Allocation and references */ net_dev = alloc_etherdev(sizeof(*bgmac)); if (!net_dev) diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index 4fbb093e0d84..9a03c142b742 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -199,9 +199,9 @@ #define BGMAC_CMDCFG_TAI 0x00000200 #define BGMAC_CMDCFG_HD 0x00000400 /* Set if in half duplex mode */ #define BGMAC_CMDCFG_HD_SHIFT 10 -#define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for other revs */ -#define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, only for core rev 4 */ -#define BGMAC_CMDCFG_SR(rev) ((rev == 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0) +#define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for core rev 0-3 */ +#define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, for core rev >= 4 */ +#define BGMAC_CMDCFG_SR(rev) ((rev >= 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0) #define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */ #define BGMAC_CMDCFG_AE 0x00400000 #define BGMAC_CMDCFG_CFE 0x00800000 diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 12a009d720cd..72eb29ed0359 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -581,12 +581,30 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp, struct page *page; dma_addr_t mapping; u16 sw_prod = rxr->rx_sw_agg_prod; + unsigned int offset = 0; - page = alloc_page(gfp); - if (!page) - return -ENOMEM; + if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) { + page = rxr->rx_page; + if (!page) { + page = alloc_page(gfp); + if (!page) + return -ENOMEM; + rxr->rx_page = page; + rxr->rx_page_offset = 0; + } + offset = rxr->rx_page_offset; + rxr->rx_page_offset += BNXT_RX_PAGE_SIZE; + if (rxr->rx_page_offset == PAGE_SIZE) + rxr->rx_page = NULL; + else + get_page(page); + } else { + page = alloc_page(gfp); + if (!page) + return -ENOMEM; + } - mapping = dma_map_page(&pdev->dev, page, 0, PAGE_SIZE, + mapping = dma_map_page(&pdev->dev, page, offset, BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); if (dma_mapping_error(&pdev->dev, mapping)) { __free_page(page); @@ -601,6 +619,7 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp, rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod); rx_agg_buf->page = page; + rx_agg_buf->offset = offset; rx_agg_buf->mapping = mapping; rxbd->rx_bd_haddr = cpu_to_le64(mapping); rxbd->rx_bd_opaque = sw_prod; @@ -642,6 +661,7 @@ static void bnxt_reuse_rx_agg_bufs(struct bnxt_napi *bnapi, u16 cp_cons, page = cons_rx_buf->page; cons_rx_buf->page = NULL; prod_rx_buf->page = page; + prod_rx_buf->offset = cons_rx_buf->offset; prod_rx_buf->mapping = cons_rx_buf->mapping; @@ -709,7 +729,8 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi, RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT; cons_rx_buf = &rxr->rx_agg_ring[cons]; - skb_fill_page_desc(skb, i, cons_rx_buf->page, 0, frag_len); + skb_fill_page_desc(skb, i, cons_rx_buf->page, + cons_rx_buf->offset, frag_len); __clear_bit(cons, rxr->rx_agg_bmap); /* It is possible for bnxt_alloc_rx_page() to allocate @@ -740,7 +761,7 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi, return NULL; } - dma_unmap_page(&pdev->dev, mapping, PAGE_SIZE, + dma_unmap_page(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); skb->data_len += frag_len; @@ -1584,13 +1605,17 @@ static void bnxt_free_rx_skbs(struct bnxt *bp) dma_unmap_page(&pdev->dev, dma_unmap_addr(rx_agg_buf, mapping), - PAGE_SIZE, PCI_DMA_FROMDEVICE); + BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE); rx_agg_buf->page = NULL; __clear_bit(j, rxr->rx_agg_bmap); __free_page(page); } + if (rxr->rx_page) { + __free_page(rxr->rx_page); + rxr->rx_page = NULL; + } } } @@ -1973,7 +1998,7 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) if (!(bp->flags & BNXT_FLAG_AGG_RINGS)) return 0; - type = ((u32)PAGE_SIZE << RX_BD_LEN_SHIFT) | + type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) | RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP; bnxt_init_rxbd_pages(ring, type); @@ -2164,7 +2189,7 @@ void bnxt_set_ring_params(struct bnxt *bp) bp->rx_agg_nr_pages = 0; if (bp->flags & BNXT_FLAG_TPA) - agg_factor = 4; + agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE); bp->flags &= ~BNXT_FLAG_JUMBO; if (rx_space > PAGE_SIZE) { @@ -3020,12 +3045,12 @@ static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags) /* Number of segs are log2 units, and first packet is not * included as part of this units. */ - if (mss <= PAGE_SIZE) { - n = PAGE_SIZE / mss; + if (mss <= BNXT_RX_PAGE_SIZE) { + n = BNXT_RX_PAGE_SIZE / mss; nsegs = (MAX_SKB_FRAGS - 1) * n; } else { - n = mss / PAGE_SIZE; - if (mss & (PAGE_SIZE - 1)) + n = mss / BNXT_RX_PAGE_SIZE; + if (mss & (BNXT_RX_PAGE_SIZE - 1)) n++; nsegs = (MAX_SKB_FRAGS - n) / n; } @@ -4309,7 +4334,7 @@ static int bnxt_setup_int_mode(struct bnxt *bp) if (bp->flags & BNXT_FLAG_MSIX_CAP) rc = bnxt_setup_msix(bp); - if (!(bp->flags & BNXT_FLAG_USING_MSIX)) { + if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) { /* fallback to INTA */ rc = bnxt_setup_inta(bp); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 709b95b8fcba..8b823ff558ff 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -407,6 +407,15 @@ struct rx_tpa_end_cmp_ext { #define BNXT_PAGE_SIZE (1 << BNXT_PAGE_SHIFT) +/* The RXBD length is 16-bit so we can only support page sizes < 64K */ +#if (PAGE_SHIFT > 15) +#define BNXT_RX_PAGE_SHIFT 15 +#else +#define BNXT_RX_PAGE_SHIFT PAGE_SHIFT +#endif + +#define BNXT_RX_PAGE_SIZE (1 << BNXT_RX_PAGE_SHIFT) + #define BNXT_MIN_PKT_SIZE 45 #define BNXT_NUM_TESTS(bp) 0 @@ -506,6 +515,7 @@ struct bnxt_sw_rx_bd { struct bnxt_sw_rx_agg_bd { struct page *page; + unsigned int offset; dma_addr_t mapping; }; @@ -586,6 +596,9 @@ struct bnxt_rx_ring_info { unsigned long *rx_agg_bmap; u16 rx_agg_bmap_size; + struct page *rx_page; + unsigned int rx_page_offset; + dma_addr_t rx_desc_mapping[MAX_RX_PAGES]; dma_addr_t rx_agg_desc_mapping[MAX_RX_AGG_PAGES]; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index cf6445d148ca..44ad1490b472 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -878,7 +878,11 @@ static void bcmgenet_get_ethtool_stats(struct net_device *dev, else p = (char *)priv; p += s->stat_offset; - data[i] = *(u32 *)p; + if (sizeof(unsigned long) != sizeof(u32) && + s->stat_sizeof == sizeof(unsigned long)) + data[i] = *(unsigned long *)p; + else + data[i] = *(u32 *)p; } } diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 48a7d7dee846..a63551d0a18a 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -441,7 +441,7 @@ static int macb_mii_init(struct macb *bp) snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", bp->pdev->name, bp->pdev->id); bp->mii_bus->priv = bp; - bp->mii_bus->parent = &bp->dev->dev; + bp->mii_bus->parent = &bp->pdev->dev; pdata = dev_get_platdata(&bp->pdev->dev); dev_set_drvdata(&bp->dev->dev, bp->mii_bus); @@ -458,7 +458,8 @@ static int macb_mii_init(struct macb *bp) struct phy_device *phydev; phydev = mdiobus_scan(bp->mii_bus, i); - if (IS_ERR(phydev)) { + if (IS_ERR(phydev) && + PTR_ERR(phydev) != -ENODEV) { err = PTR_ERR(phydev); break; } @@ -3019,29 +3020,36 @@ static int macb_probe(struct platform_device *pdev) if (err) goto err_out_free_netdev; + err = macb_mii_init(bp); + if (err) + goto err_out_free_netdev; + + phydev = bp->phy_dev; + + netif_carrier_off(dev); + err = register_netdev(dev); if (err) { dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); - goto err_out_unregister_netdev; + goto err_out_unregister_mdio; } - err = macb_mii_init(bp); - if (err) - goto err_out_unregister_netdev; - - netif_carrier_off(dev); + phy_attached_info(phydev); netdev_info(dev, "Cadence %s rev 0x%08x at 0x%08lx irq %d (%pM)\n", macb_is_gem(bp) ? "GEM" : "MACB", macb_readl(bp, MID), dev->base_addr, dev->irq, dev->dev_addr); - phydev = bp->phy_dev; - phy_attached_info(phydev); - return 0; -err_out_unregister_netdev: - unregister_netdev(dev); +err_out_unregister_mdio: + phy_disconnect(bp->phy_dev); + mdiobus_unregister(bp->mii_bus); + mdiobus_free(bp->mii_bus); + + /* Shutdown the PHY if there is a GPIO reset */ + if (bp->reset_gpio) + gpiod_set_value(bp->reset_gpio, 0); err_out_free_netdev: free_netdev(dev); diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 967951582e03..d20539a6d162 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -1011,10 +1011,11 @@ static int bgx_init_of_phy(struct bgx *bgx) } lmac++; - if (lmac == MAX_LMAC_PER_BGX) + if (lmac == MAX_LMAC_PER_BGX) { + of_node_put(node); break; + } } - of_node_put(node); return 0; defer: diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 60908eab3b3a..43da891fab97 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -576,7 +576,7 @@ static void setup_rss(struct adapter *adap) unsigned int nq0 = adap2pinfo(adap, 0)->nqsets; unsigned int nq1 = adap->port[1] ? adap2pinfo(adap, 1)->nqsets : 1; u8 cpus[SGE_QSETS + 1]; - u16 rspq_map[RSS_TABLE_SIZE]; + u16 rspq_map[RSS_TABLE_SIZE + 1]; for (i = 0; i < SGE_QSETS; ++i) cpus[i] = i; @@ -586,6 +586,7 @@ static void setup_rss(struct adapter *adap) rspq_map[i] = i % nq0; rspq_map[i + RSS_TABLE_SIZE / 2] = (i % nq1) + nq0; } + rspq_map[RSS_TABLE_SIZE] = 0xffff; /* terminator */ t3_config_rss(adap, F_RQFEEDBACKENABLE | F_TNLLKPEN | F_TNLMAPEN | F_TNLPRTEN | F_TNL2TUPEN | F_TNL4TUPEN | diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 984a3cc26f86..326d4009525e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -1451,6 +1451,9 @@ int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, unsigned int mmd, unsigned int reg, u16 *valp); int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, unsigned int mmd, unsigned int reg, u16 val); +int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int iqtype, unsigned int iqid, + unsigned int fl0id, unsigned int fl1id); int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, unsigned int vf, unsigned int iqtype, unsigned int iqid, unsigned int fl0id, unsigned int fl1id); diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 13b144bcf725..6278e5a74b74 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -2981,14 +2981,28 @@ void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q) void t4_free_sge_resources(struct adapter *adap) { int i; - struct sge_eth_rxq *eq = adap->sge.ethrxq; - struct sge_eth_txq *etq = adap->sge.ethtxq; + struct sge_eth_rxq *eq; + struct sge_eth_txq *etq; + + /* stop all Rx queues in order to start them draining */ + for (i = 0; i < adap->sge.ethqsets; i++) { + eq = &adap->sge.ethrxq[i]; + if (eq->rspq.desc) + t4_iq_stop(adap, adap->mbox, adap->pf, 0, + FW_IQ_TYPE_FL_INT_CAP, + eq->rspq.cntxt_id, + eq->fl.size ? eq->fl.cntxt_id : 0xffff, + 0xffff); + } /* clean up Ethernet Tx/Rx queues */ - for (i = 0; i < adap->sge.ethqsets; i++, eq++, etq++) { + for (i = 0; i < adap->sge.ethqsets; i++) { + eq = &adap->sge.ethrxq[i]; if (eq->rspq.desc) free_rspq_fl(adap, &eq->rspq, eq->fl.size ? &eq->fl : NULL); + + etq = &adap->sge.ethtxq[i]; if (etq->q.desc) { t4_eth_eq_free(adap, adap->mbox, adap->pf, 0, etq->q.cntxt_id); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index cc1736bece0f..71586a3e0f61 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2557,6 +2557,7 @@ void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size) } #define EEPROM_STAT_ADDR 0x7bfc +#define VPD_SIZE 0x800 #define VPD_BASE 0x400 #define VPD_BASE_OLD 0 #define VPD_LEN 1024 @@ -2594,6 +2595,15 @@ int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p) if (!vpd) return -ENOMEM; + /* We have two VPD data structures stored in the adapter VPD area. + * By default, Linux calculates the size of the VPD area by traversing + * the first VPD area at offset 0x0, so we need to tell the OS what + * our real VPD size is. + */ + ret = pci_set_vpd_size(adapter->pdev, VPD_SIZE); + if (ret < 0) + goto out; + /* Card information normally starts at VPD_BASE but early cards had * it at 0. */ @@ -6940,6 +6950,39 @@ int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, } /** + * t4_iq_stop - stop an ingress queue and its FLs + * @adap: the adapter + * @mbox: mailbox to use for the FW command + * @pf: the PF owning the queues + * @vf: the VF owning the queues + * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.) + * @iqid: ingress queue id + * @fl0id: FL0 queue id or 0xffff if no attached FL0 + * @fl1id: FL1 queue id or 0xffff if no attached FL1 + * + * Stops an ingress queue and its associated FLs, if any. This causes + * any current or future data/messages destined for these queues to be + * tossed. + */ +int t4_iq_stop(struct adapter *adap, unsigned int mbox, unsigned int pf, + unsigned int vf, unsigned int iqtype, unsigned int iqid, + unsigned int fl0id, unsigned int fl1id) +{ + struct fw_iq_cmd c; + + memset(&c, 0, sizeof(c)); + c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_IQ_CMD) | FW_CMD_REQUEST_F | + FW_CMD_EXEC_F | FW_IQ_CMD_PFN_V(pf) | + FW_IQ_CMD_VFN_V(vf)); + c.alloc_to_len16 = cpu_to_be32(FW_IQ_CMD_IQSTOP_F | FW_LEN16(c)); + c.type_to_iqandstindex = cpu_to_be32(FW_IQ_CMD_TYPE_V(iqtype)); + c.iqid = cpu_to_be16(iqid); + c.fl0id = cpu_to_be16(fl0id); + c.fl1id = cpu_to_be16(fl1id); + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); +} + +/** * t4_iq_free - free an ingress queue and its FLs * @adap: the adapter * @mbox: mailbox to use for the FW command diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h index 06bc2d2e7a73..a2cdfc1261dc 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h @@ -166,6 +166,7 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN CH_PCI_ID_TABLE_FENTRY(0x5099), /* Custom 2x40G QSFP */ CH_PCI_ID_TABLE_FENTRY(0x509a), /* Custom T520-CR */ CH_PCI_ID_TABLE_FENTRY(0x509b), /* Custom T540-CR LOM */ + CH_PCI_ID_TABLE_FENTRY(0x509c), /* Custom T520-CR*/ /* T6 adapters: */ diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 3fc7bde699ba..ae90d4f12b70 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3106,7 +3106,7 @@ static int e1000_maybe_stop_tx(struct net_device *netdev, return __e1000_maybe_stop_tx(netdev, size); } -#define TXD_USE_COUNT(S, X) (((S) >> (X)) + 1) +#define TXD_USE_COUNT(S, X) (((S) + ((1 << (X)) - 1)) >> (X)) static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) { @@ -3256,12 +3256,29 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, nr_frags, mss); if (count) { + /* The descriptors needed is higher than other Intel drivers + * due to a number of workarounds. The breakdown is below: + * Data descriptors: MAX_SKB_FRAGS + 1 + * Context Descriptor: 1 + * Keep head from touching tail: 2 + * Workarounds: 3 + */ + int desc_needed = MAX_SKB_FRAGS + 7; + netdev_sent_queue(netdev, skb->len); skb_tx_timestamp(skb); e1000_tx_queue(adapter, tx_ring, tx_flags, count); + + /* 82544 potentially requires twice as many data descriptors + * in order to guarantee buffers don't end on evenly-aligned + * dwords + */ + if (adapter->pcix_82544) + desc_needed += MAX_SKB_FRAGS + 1; + /* Make sure there is space in the ring for the next send. */ - e1000_maybe_stop_tx(netdev, tx_ring, MAX_SKB_FRAGS + 2); + e1000_maybe_stop_tx(netdev, tx_ring, desc_needed); if (!skb->xmit_more || netif_xmit_stopped(netdev_get_tx_queue(netdev, 0))) { diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c index 62ccebc5f728..8cf943db5662 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c @@ -1223,18 +1223,32 @@ s32 fm10k_iov_msg_mac_vlan_pf(struct fm10k_hw *hw, u32 **results, if (err) return err; - /* verify upper 16 bits are zero */ - if (vid >> 16) - return FM10K_ERR_PARAM; - set = !(vid & FM10K_VLAN_CLEAR); vid &= ~FM10K_VLAN_CLEAR; - err = fm10k_iov_select_vid(vf_info, (u16)vid); - if (err < 0) - return err; + /* if the length field has been set, this is a multi-bit + * update request. For multi-bit requests, simply disallow + * them when the pf_vid has been set. In this case, the PF + * should have already cleared the VLAN_TABLE, and if we + * allowed them, it could allow a rogue VF to receive traffic + * on a VLAN it was not assigned. In the single-bit case, we + * need to modify requests for VLAN 0 to use the default PF or + * SW vid when assigned. + */ - vid = err; + if (vid >> 16) { + /* prevent multi-bit requests when PF has + * administratively set the VLAN for this VF + */ + if (vf_info->pf_vid) + return FM10K_ERR_PARAM; + } else { + err = fm10k_iov_select_vid(vf_info, (u16)vid); + if (err < 0) + return err; + + vid = err; + } /* update VSI info for VF in regards to VLAN table */ err = hw->mac.ops.update_vlan(hw, vid, vf_info->vsi, set); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 67006431726a..344912957cab 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -8559,6 +8559,7 @@ static int i40e_sw_init(struct i40e_pf *pf) I40E_FLAG_OUTER_UDP_CSUM_CAPABLE | I40E_FLAG_WB_ON_ITR_CAPABLE | I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE | + I40E_FLAG_NO_PCI_LINK_CHECK | I40E_FLAG_100M_SGMII_CAPABLE | I40E_FLAG_USE_SET_LLDP_MIB | I40E_FLAG_GENEVE_OFFLOAD_CAPABLE; diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 084d0ab316b7..6a49b7ae511c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2594,35 +2594,34 @@ int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) } /** - * __i40e_chk_linearize - Check if there are more than 8 fragments per packet + * __i40e_chk_linearize - Check if there are more than 8 buffers per packet * @skb: send buffer * - * Note: Our HW can't scatter-gather more than 8 fragments to build - * a packet on the wire and so we need to figure out the cases where we - * need to linearize the skb. + * Note: Our HW can't DMA more than 8 buffers to build a packet on the wire + * and so we need to figure out the cases where we need to linearize the skb. + * + * For TSO we need to count the TSO header and segment payload separately. + * As such we need to check cases where we have 7 fragments or more as we + * can potentially require 9 DMA transactions, 1 for the TSO header, 1 for + * the segment payload in the first descriptor, and another 7 for the + * fragments. **/ bool __i40e_chk_linearize(struct sk_buff *skb) { const struct skb_frag_struct *frag, *stale; - int gso_size, nr_frags, sum; - - /* check to see if TSO is enabled, if so we may get a repreive */ - gso_size = skb_shinfo(skb)->gso_size; - if (unlikely(!gso_size)) - return true; + int nr_frags, sum; - /* no need to check if number of frags is less than 8 */ + /* no need to check if number of frags is less than 7 */ nr_frags = skb_shinfo(skb)->nr_frags; - if (nr_frags < I40E_MAX_BUFFER_TXD) + if (nr_frags < (I40E_MAX_BUFFER_TXD - 1)) return false; /* We need to walk through the list and validate that each group * of 6 fragments totals at least gso_size. However we don't need - * to perform such validation on the first or last 6 since the first - * 6 cannot inherit any data from a descriptor before them, and the - * last 6 cannot inherit any data from a descriptor after them. + * to perform such validation on the last 6 since the last 6 cannot + * inherit any data from a descriptor after them. */ - nr_frags -= I40E_MAX_BUFFER_TXD - 1; + nr_frags -= I40E_MAX_BUFFER_TXD - 2; frag = &skb_shinfo(skb)->frags[0]; /* Initialize size to the negative value of gso_size minus 1. We @@ -2631,21 +2630,21 @@ bool __i40e_chk_linearize(struct sk_buff *skb) * descriptors for a single transmit as the header and previous * fragment are already consuming 2 descriptors. */ - sum = 1 - gso_size; + sum = 1 - skb_shinfo(skb)->gso_size; - /* Add size of frags 1 through 5 to create our initial sum */ - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); + /* Add size of frags 0 through 4 to create our initial sum */ + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); /* Walk through fragments adding latest fragment, testing it, and * then removing stale fragments from the sum. */ stale = &skb_shinfo(skb)->frags[0]; for (;;) { - sum += skb_frag_size(++frag); + sum += skb_frag_size(frag++); /* if sum is negative we failed to make sufficient progress */ if (sum < 0) @@ -2655,7 +2654,7 @@ bool __i40e_chk_linearize(struct sk_buff *skb) if (!--nr_frags) break; - sum -= skb_frag_size(++stale); + sum -= skb_frag_size(stale++); } return false; diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index cdd5dc00aec5..a9bd70537d65 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -413,10 +413,14 @@ static inline int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) **/ static inline bool i40e_chk_linearize(struct sk_buff *skb, int count) { - /* we can only support up to 8 data buffers for a single send */ - if (likely(count <= I40E_MAX_BUFFER_TXD)) + /* Both TSO and single send will work if count is less than 8 */ + if (likely(count < I40E_MAX_BUFFER_TXD)) return false; - return __i40e_chk_linearize(skb); + if (skb_is_gso(skb)) + return __i40e_chk_linearize(skb); + + /* we can support up to 8 data buffers for a single send */ + return count != I40E_MAX_BUFFER_TXD; } #endif /* _I40E_TXRX_H_ */ diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index ebcc25c05796..cea97daa844c 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -1796,35 +1796,34 @@ static void i40e_create_tx_ctx(struct i40e_ring *tx_ring, } /** - * __i40evf_chk_linearize - Check if there are more than 8 fragments per packet + * __i40evf_chk_linearize - Check if there are more than 8 buffers per packet * @skb: send buffer * - * Note: Our HW can't scatter-gather more than 8 fragments to build - * a packet on the wire and so we need to figure out the cases where we - * need to linearize the skb. + * Note: Our HW can't DMA more than 8 buffers to build a packet on the wire + * and so we need to figure out the cases where we need to linearize the skb. + * + * For TSO we need to count the TSO header and segment payload separately. + * As such we need to check cases where we have 7 fragments or more as we + * can potentially require 9 DMA transactions, 1 for the TSO header, 1 for + * the segment payload in the first descriptor, and another 7 for the + * fragments. **/ bool __i40evf_chk_linearize(struct sk_buff *skb) { const struct skb_frag_struct *frag, *stale; - int gso_size, nr_frags, sum; - - /* check to see if TSO is enabled, if so we may get a repreive */ - gso_size = skb_shinfo(skb)->gso_size; - if (unlikely(!gso_size)) - return true; + int nr_frags, sum; - /* no need to check if number of frags is less than 8 */ + /* no need to check if number of frags is less than 7 */ nr_frags = skb_shinfo(skb)->nr_frags; - if (nr_frags < I40E_MAX_BUFFER_TXD) + if (nr_frags < (I40E_MAX_BUFFER_TXD - 1)) return false; /* We need to walk through the list and validate that each group * of 6 fragments totals at least gso_size. However we don't need - * to perform such validation on the first or last 6 since the first - * 6 cannot inherit any data from a descriptor before them, and the - * last 6 cannot inherit any data from a descriptor after them. + * to perform such validation on the last 6 since the last 6 cannot + * inherit any data from a descriptor after them. */ - nr_frags -= I40E_MAX_BUFFER_TXD - 1; + nr_frags -= I40E_MAX_BUFFER_TXD - 2; frag = &skb_shinfo(skb)->frags[0]; /* Initialize size to the negative value of gso_size minus 1. We @@ -1833,21 +1832,21 @@ bool __i40evf_chk_linearize(struct sk_buff *skb) * descriptors for a single transmit as the header and previous * fragment are already consuming 2 descriptors. */ - sum = 1 - gso_size; + sum = 1 - skb_shinfo(skb)->gso_size; - /* Add size of frags 1 through 5 to create our initial sum */ - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); - sum += skb_frag_size(++frag); + /* Add size of frags 0 through 4 to create our initial sum */ + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); + sum += skb_frag_size(frag++); /* Walk through fragments adding latest fragment, testing it, and * then removing stale fragments from the sum. */ stale = &skb_shinfo(skb)->frags[0]; for (;;) { - sum += skb_frag_size(++frag); + sum += skb_frag_size(frag++); /* if sum is negative we failed to make sufficient progress */ if (sum < 0) @@ -1857,7 +1856,7 @@ bool __i40evf_chk_linearize(struct sk_buff *skb) if (!--nr_frags) break; - sum -= skb_frag_size(++stale); + sum -= skb_frag_size(stale++); } return false; diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h index c1dd8c5c9666..0429553fe887 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.h @@ -395,10 +395,14 @@ static inline int i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size) **/ static inline bool i40e_chk_linearize(struct sk_buff *skb, int count) { - /* we can only support up to 8 data buffers for a single send */ - if (likely(count <= I40E_MAX_BUFFER_TXD)) + /* Both TSO and single send will work if count is less than 8 */ + if (likely(count < I40E_MAX_BUFFER_TXD)) return false; - return __i40evf_chk_linearize(skb); + if (skb_is_gso(skb)) + return __i40evf_chk_linearize(skb); + + /* we can support up to 8 data buffers for a single send */ + return count != I40E_MAX_BUFFER_TXD; } #endif /* _I40E_TXRX_H_ */ diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 7fc490225da5..a6d26d351dfc 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -3354,8 +3354,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, /* Enable per-CPU interrupts on the CPU that is * brought up. */ - smp_call_function_single(cpu, mvneta_percpu_enable, - pp, true); + mvneta_percpu_enable(pp); /* Enable per-CPU interrupt on the one CPU we care * about. @@ -3387,8 +3386,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb, /* Disable per-CPU interrupts on the CPU that is * brought down. */ - smp_call_function_single(cpu, mvneta_percpu_disable, - pp, true); + mvneta_percpu_disable(pp); break; case CPU_DEAD: diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 7ace07dad6a3..c442f6ad15ff 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -979,6 +979,8 @@ static int pxa168_init_phy(struct net_device *dev) return 0; pep->phy = mdiobus_scan(pep->smi_bus, pep->phy_addr); + if (IS_ERR(pep->phy)) + return PTR_ERR(pep->phy); if (!pep->phy) return -ENODEV; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index f69584a9b47f..c761194bb323 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -337,7 +337,7 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset) case ETH_SS_STATS: return bitmap_iterator_count(&it) + (priv->tx_ring_num * 2) + - (priv->rx_ring_num * 2); + (priv->rx_ring_num * 3); case ETH_SS_TEST: return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2; @@ -404,6 +404,7 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev, for (i = 0; i < priv->rx_ring_num; i++) { data[index++] = priv->rx_ring[i]->packets; data[index++] = priv->rx_ring[i]->bytes; + data[index++] = priv->rx_ring[i]->dropped; } spin_unlock_bh(&priv->stats_lock); @@ -477,6 +478,8 @@ static void mlx4_en_get_strings(struct net_device *dev, "rx%d_packets", i); sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_bytes", i); + sprintf(data + (index++) * ETH_GSTRING_LEN, + "rx%d_dropped", i); } break; case ETH_SS_PRIV_FLAGS: diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c index 3904b5fc0b7c..20b6c2e678b8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c @@ -158,6 +158,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) u64 in_mod = reset << 8 | port; int err; int i, counter_index; + unsigned long sw_rx_dropped = 0; mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); if (IS_ERR(mailbox)) @@ -180,6 +181,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) for (i = 0; i < priv->rx_ring_num; i++) { stats->rx_packets += priv->rx_ring[i]->packets; stats->rx_bytes += priv->rx_ring[i]->bytes; + sw_rx_dropped += priv->rx_ring[i]->dropped; priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok; priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none; priv->port_stats.rx_chksum_complete += priv->rx_ring[i]->csum_complete; @@ -236,7 +238,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) &mlx4_en_stats->MCAST_prio_1, NUM_PRIORITIES); stats->collisions = 0; - stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP); + stats->rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP) + + sw_rx_dropped; stats->rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength); stats->rx_over_errors = 0; stats->rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 86bcfe510e4e..b723e3bcab39 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -61,7 +61,7 @@ static int mlx4_alloc_pages(struct mlx4_en_priv *priv, gfp_t gfp = _gfp; if (order) - gfp |= __GFP_COMP | __GFP_NOWARN; + gfp |= __GFP_COMP | __GFP_NOWARN | __GFP_NOMEMALLOC; page = alloc_pages(gfp, order); if (likely(page)) break; @@ -126,7 +126,9 @@ out: dma_unmap_page(priv->ddev, page_alloc[i].dma, page_alloc[i].page_size, PCI_DMA_FROMDEVICE); page = page_alloc[i].page; - set_page_count(page, 1); + /* Revert changes done by mlx4_alloc_pages */ + page_ref_sub(page, page_alloc[i].page_size / + priv->frag_info[i].frag_stride - 1); put_page(page); } } @@ -176,7 +178,9 @@ out: dma_unmap_page(priv->ddev, page_alloc->dma, page_alloc->page_size, PCI_DMA_FROMDEVICE); page = page_alloc->page; - set_page_count(page, 1); + /* Revert changes done by mlx4_alloc_pages */ + page_ref_sub(page, page_alloc->page_size / + priv->frag_info[i].frag_stride - 1); put_page(page); page_alloc->page = NULL; } @@ -939,7 +943,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud /* GRO not possible, complete processing here */ skb = mlx4_en_rx_skb(priv, rx_desc, frags, length); if (!skb) { - priv->stats.rx_dropped++; + ring->dropped++; goto next; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index c0d7b7296236..a386f047c1af 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -405,7 +405,6 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev, u32 packets = 0; u32 bytes = 0; int factor = priv->cqe_factor; - u64 timestamp = 0; int done = 0; int budget = priv->tx_work_limit; u32 last_nr_txbb; @@ -445,9 +444,12 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev, new_index = be16_to_cpu(cqe->wqe_index) & size_mask; do { + u64 timestamp = 0; + txbbs_skipped += last_nr_txbb; ring_index = (ring_index + last_nr_txbb) & size_mask; - if (ring->tx_info[ring_index].ts_requested) + + if (unlikely(ring->tx_info[ring_index].ts_requested)) timestamp = mlx4_en_get_cqe_ts(cqe); /* free next descriptor */ diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 358f7230da58..12c77a70abdb 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -3172,6 +3172,34 @@ static int mlx4_check_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap return 0; } +static int mlx4_pci_enable_device(struct mlx4_dev *dev) +{ + struct pci_dev *pdev = dev->persist->pdev; + int err = 0; + + mutex_lock(&dev->persist->pci_status_mutex); + if (dev->persist->pci_status == MLX4_PCI_STATUS_DISABLED) { + err = pci_enable_device(pdev); + if (!err) + dev->persist->pci_status = MLX4_PCI_STATUS_ENABLED; + } + mutex_unlock(&dev->persist->pci_status_mutex); + + return err; +} + +static void mlx4_pci_disable_device(struct mlx4_dev *dev) +{ + struct pci_dev *pdev = dev->persist->pdev; + + mutex_lock(&dev->persist->pci_status_mutex); + if (dev->persist->pci_status == MLX4_PCI_STATUS_ENABLED) { + pci_disable_device(pdev); + dev->persist->pci_status = MLX4_PCI_STATUS_DISABLED; + } + mutex_unlock(&dev->persist->pci_status_mutex); +} + static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data, int total_vfs, int *nvfs, struct mlx4_priv *priv, int reset_flow) @@ -3582,7 +3610,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, int pci_dev_data, pr_info(DRV_NAME ": Initializing %s\n", pci_name(pdev)); - err = pci_enable_device(pdev); + err = mlx4_pci_enable_device(&priv->dev); if (err) { dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); return err; @@ -3715,7 +3743,7 @@ err_release_regions: pci_release_regions(pdev); err_disable_pdev: - pci_disable_device(pdev); + mlx4_pci_disable_device(&priv->dev); pci_set_drvdata(pdev, NULL); return err; } @@ -3775,6 +3803,7 @@ static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) priv->pci_dev_data = id->driver_data; mutex_init(&dev->persist->device_state_mutex); mutex_init(&dev->persist->interface_state_mutex); + mutex_init(&dev->persist->pci_status_mutex); ret = devlink_register(devlink, &pdev->dev); if (ret) @@ -3923,7 +3952,7 @@ static void mlx4_remove_one(struct pci_dev *pdev) } pci_release_regions(pdev); - pci_disable_device(pdev); + mlx4_pci_disable_device(dev); devlink_unregister(devlink); kfree(dev->persist); devlink_free(devlink); @@ -4042,7 +4071,7 @@ static pci_ers_result_t mlx4_pci_err_detected(struct pci_dev *pdev, if (state == pci_channel_io_perm_failure) return PCI_ERS_RESULT_DISCONNECT; - pci_disable_device(pdev); + mlx4_pci_disable_device(persist->dev); return PCI_ERS_RESULT_NEED_RESET; } @@ -4050,45 +4079,53 @@ static pci_ers_result_t mlx4_pci_slot_reset(struct pci_dev *pdev) { struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); struct mlx4_dev *dev = persist->dev; - struct mlx4_priv *priv = mlx4_priv(dev); - int ret; - int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; - int total_vfs; + int err; mlx4_err(dev, "mlx4_pci_slot_reset was called\n"); - ret = pci_enable_device(pdev); - if (ret) { - mlx4_err(dev, "Can not re-enable device, ret=%d\n", ret); + err = mlx4_pci_enable_device(dev); + if (err) { + mlx4_err(dev, "Can not re-enable device, err=%d\n", err); return PCI_ERS_RESULT_DISCONNECT; } pci_set_master(pdev); pci_restore_state(pdev); pci_save_state(pdev); + return PCI_ERS_RESULT_RECOVERED; +} +static void mlx4_pci_resume(struct pci_dev *pdev) +{ + struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev); + struct mlx4_dev *dev = persist->dev; + struct mlx4_priv *priv = mlx4_priv(dev); + int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0}; + int total_vfs; + int err; + + mlx4_err(dev, "%s was called\n", __func__); total_vfs = dev->persist->num_vfs; memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs)); mutex_lock(&persist->interface_state_mutex); if (!(persist->interface_state & MLX4_INTERFACE_STATE_UP)) { - ret = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, + err = mlx4_load_one(pdev, priv->pci_dev_data, total_vfs, nvfs, priv, 1); - if (ret) { - mlx4_err(dev, "%s: mlx4_load_one failed, ret=%d\n", - __func__, ret); + if (err) { + mlx4_err(dev, "%s: mlx4_load_one failed, err=%d\n", + __func__, err); goto end; } - ret = restore_current_port_types(dev, dev->persist-> + err = restore_current_port_types(dev, dev->persist-> curr_port_type, dev->persist-> curr_port_poss_type); - if (ret) - mlx4_err(dev, "could not restore original port types (%d)\n", ret); + if (err) + mlx4_err(dev, "could not restore original port types (%d)\n", err); } end: mutex_unlock(&persist->interface_state_mutex); - return ret ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED; } static void mlx4_shutdown(struct pci_dev *pdev) @@ -4105,6 +4142,7 @@ static void mlx4_shutdown(struct pci_dev *pdev) static const struct pci_error_handlers mlx4_err_handler = { .error_detected = mlx4_pci_err_detected, .slot_reset = mlx4_pci_slot_reset, + .resume = mlx4_pci_resume, }; static struct pci_driver mlx4_driver = { diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index ef9683101ead..c9d7fc5159f2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -586,6 +586,8 @@ struct mlx4_mfunc_master_ctx { struct mlx4_master_qp0_state qp0_state[MLX4_MAX_PORTS + 1]; int init_port_ref[MLX4_MAX_PORTS + 1]; u16 max_mtu[MLX4_MAX_PORTS + 1]; + u8 pptx; + u8 pprx; int disable_mcast_ref[MLX4_MAX_PORTS + 1]; struct mlx4_resource_tracker res_tracker; struct workqueue_struct *comm_wq; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index d12ab6a73344..63b1aeae2c03 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -323,6 +323,7 @@ struct mlx4_en_rx_ring { unsigned long csum_ok; unsigned long csum_none; unsigned long csum_complete; + unsigned long dropped; int hwtstamp_rx_filter; cpumask_var_t affinity_mask; }; diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 211c65087997..087b23b320cb 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -1317,6 +1317,19 @@ static int mlx4_common_set_port(struct mlx4_dev *dev, int slave, u32 in_mod, } gen_context->mtu = cpu_to_be16(master->max_mtu[port]); + /* Slave cannot change Global Pause configuration */ + if (slave != mlx4_master_func_num(dev) && + ((gen_context->pptx != master->pptx) || + (gen_context->pprx != master->pprx))) { + gen_context->pptx = master->pptx; + gen_context->pprx = master->pprx; + mlx4_warn(dev, + "denying Global Pause change for slave:%d\n", + slave); + } else { + master->pptx = gen_context->pptx; + master->pprx = gen_context->pprx; + } break; case MLX4_SET_PORT_GID_TABLE: /* change to MULTIPLE entries: number of guest's gids diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index 1cf722eba607..559d11a443bc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -14,6 +14,7 @@ config MLX5_CORE_EN bool "Mellanox Technologies ConnectX-4 Ethernet support" depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE select PTP_1588_CLOCK + select VXLAN if MLX5_CORE=y default n ---help--- Ethernet support in Mellanox Technologies ConnectX-4 NIC. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 879e6276c473..3881dce0cc30 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -567,6 +567,7 @@ struct mlx5e_priv { struct mlx5e_vxlan_db vxlan; struct mlx5e_params params; + struct workqueue_struct *wq; struct work_struct update_carrier_work; struct work_struct set_rx_mode_work; struct delayed_work update_stats_work; @@ -609,7 +610,7 @@ enum mlx5e_link_mode { MLX5E_100GBASE_KR4 = 22, MLX5E_100GBASE_LR4 = 23, MLX5E_100BASE_TX = 24, - MLX5E_100BASE_T = 25, + MLX5E_1000BASE_T = 25, MLX5E_10GBASE_T = 26, MLX5E_25GBASE_CR = 27, MLX5E_25GBASE_KR = 28, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 68834b715f6c..3476ab844634 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -138,10 +138,10 @@ static const struct { [MLX5E_100BASE_TX] = { .speed = 100, }, - [MLX5E_100BASE_T] = { - .supported = SUPPORTED_100baseT_Full, - .advertised = ADVERTISED_100baseT_Full, - .speed = 100, + [MLX5E_1000BASE_T] = { + .supported = SUPPORTED_1000baseT_Full, + .advertised = ADVERTISED_1000baseT_Full, + .speed = 1000, }, [MLX5E_10GBASE_T] = { .supported = SUPPORTED_10000baseT_Full, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index e0adb604f461..d4dfc5ce516a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -262,9 +262,8 @@ static void mlx5e_update_stats_work(struct work_struct *work) mutex_lock(&priv->state_lock); if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { mlx5e_update_stats(priv); - schedule_delayed_work(dwork, - msecs_to_jiffies( - MLX5E_UPDATE_STATS_INTERVAL)); + queue_delayed_work(priv->wq, dwork, + msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); } mutex_unlock(&priv->state_lock); } @@ -280,7 +279,7 @@ static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, switch (event) { case MLX5_DEV_EVENT_PORT_UP: case MLX5_DEV_EVENT_PORT_DOWN: - schedule_work(&priv->update_carrier_work); + queue_work(priv->wq, &priv->update_carrier_work); break; default: @@ -1404,24 +1403,50 @@ static int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5e_priv *priv) return 0; } -static int mlx5e_set_dev_port_mtu(struct net_device *netdev) +static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu) { - struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; - int hw_mtu; + u16 hw_mtu = MLX5E_SW2HW_MTU(mtu); int err; - err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(netdev->mtu), 1); + err = mlx5_set_port_mtu(mdev, hw_mtu, 1); if (err) return err; - mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); + /* Update vport context MTU */ + mlx5_modify_nic_vport_mtu(mdev, hw_mtu); + return 0; +} + +static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu) +{ + struct mlx5_core_dev *mdev = priv->mdev; + u16 hw_mtu = 0; + int err; - if (MLX5E_HW2SW_MTU(hw_mtu) != netdev->mtu) - netdev_warn(netdev, "%s: Port MTU %d is different than netdev mtu %d\n", - __func__, MLX5E_HW2SW_MTU(hw_mtu), netdev->mtu); + err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); + if (err || !hw_mtu) /* fallback to port oper mtu */ + mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); + + *mtu = MLX5E_HW2SW_MTU(hw_mtu); +} + +static int mlx5e_set_dev_port_mtu(struct net_device *netdev) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + u16 mtu; + int err; - netdev->mtu = MLX5E_HW2SW_MTU(hw_mtu); + err = mlx5e_set_mtu(priv, netdev->mtu); + if (err) + return err; + + mlx5e_query_mtu(priv, &mtu); + if (mtu != netdev->mtu) + netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", + __func__, mtu, netdev->mtu); + + netdev->mtu = mtu; return 0; } @@ -1479,7 +1504,7 @@ int mlx5e_open_locked(struct net_device *netdev) mlx5e_update_carrier(priv); mlx5e_timestamp_init(priv); - schedule_delayed_work(&priv->update_stats_work, 0); + queue_delayed_work(priv->wq, &priv->update_stats_work, 0); return 0; @@ -1935,7 +1960,7 @@ static void mlx5e_set_rx_mode(struct net_device *dev) { struct mlx5e_priv *priv = netdev_priv(dev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); } static int mlx5e_set_mac(struct net_device *netdev, void *addr) @@ -1950,7 +1975,7 @@ static int mlx5e_set_mac(struct net_device *netdev, void *addr) ether_addr_copy(netdev->dev_addr, saddr->sa_data); netif_addr_unlock_bh(netdev); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return 0; } @@ -1999,22 +2024,27 @@ static int mlx5e_set_features(struct net_device *netdev, return err; } +#define MXL5_HW_MIN_MTU 64 +#define MXL5E_MIN_MTU (MXL5_HW_MIN_MTU + ETH_FCS_LEN) + static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; bool was_opened; - int max_mtu; + u16 max_mtu; + u16 min_mtu; int err = 0; mlx5_query_port_max_mtu(mdev, &max_mtu, 1); max_mtu = MLX5E_HW2SW_MTU(max_mtu); + min_mtu = MLX5E_HW2SW_MTU(MXL5E_MIN_MTU); - if (new_mtu > max_mtu) { + if (new_mtu > max_mtu || new_mtu < min_mtu) { netdev_err(netdev, - "%s: Bad MTU (%d) > (%d) Max\n", - __func__, new_mtu, max_mtu); + "%s: Bad MTU (%d), valid range is: [%d..%d]\n", + __func__, new_mtu, min_mtu, max_mtu); return -EINVAL; } @@ -2127,7 +2157,7 @@ static void mlx5e_add_vxlan_port(struct net_device *netdev, if (!mlx5e_vxlan_allowed(priv->mdev)) return; - mlx5e_vxlan_add_port(priv, be16_to_cpu(port)); + mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 1); } static void mlx5e_del_vxlan_port(struct net_device *netdev, @@ -2138,7 +2168,7 @@ static void mlx5e_del_vxlan_port(struct net_device *netdev, if (!mlx5e_vxlan_allowed(priv->mdev)) return; - mlx5e_vxlan_del_port(priv, be16_to_cpu(port)); + mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 0); } static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv, @@ -2467,10 +2497,14 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) priv = netdev_priv(netdev); + priv->wq = create_singlethread_workqueue("mlx5e"); + if (!priv->wq) + goto err_free_netdev; + err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false); if (err) { mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); - goto err_free_netdev; + goto err_destroy_wq; } err = mlx5_core_alloc_pd(mdev, &priv->pdn); @@ -2549,7 +2583,7 @@ static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) vxlan_get_rx_port(netdev); mlx5e_enable_async_events(priv); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); return priv; @@ -2586,6 +2620,9 @@ err_dealloc_pd: err_unmap_free_uar: mlx5_unmap_free_uar(mdev, &priv->cq_uar); +err_destroy_wq: + destroy_workqueue(priv->wq); + err_free_netdev: free_netdev(netdev); @@ -2599,10 +2636,19 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) set_bit(MLX5E_STATE_DESTROYING, &priv->state); - schedule_work(&priv->set_rx_mode_work); + queue_work(priv->wq, &priv->set_rx_mode_work); mlx5e_disable_async_events(priv); - flush_scheduled_work(); - unregister_netdev(netdev); + flush_workqueue(priv->wq); + if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) { + netif_device_detach(netdev); + mutex_lock(&priv->state_lock); + if (test_bit(MLX5E_STATE_OPENED, &priv->state)) + mlx5e_close_locked(netdev); + mutex_unlock(&priv->state_lock); + } else { + unregister_netdev(netdev); + } + mlx5e_tc_cleanup(priv); mlx5e_vxlan_cleanup(priv); mlx5e_destroy_flow_tables(priv); @@ -2615,7 +2661,11 @@ static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn); mlx5_core_dealloc_pd(priv->mdev, priv->pdn); mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); - free_netdev(netdev); + cancel_delayed_work_sync(&priv->update_stats_work); + destroy_workqueue(priv->wq); + + if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) + free_netdev(netdev); } static void *mlx5e_get_netdev(void *vpriv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 5121be4675d1..89cce97d46c6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1065,33 +1065,6 @@ unlock_fg: return rule; } -static struct mlx5_flow_rule *add_rule_to_auto_fg(struct mlx5_flow_table *ft, - u8 match_criteria_enable, - u32 *match_criteria, - u32 *match_value, - u8 action, - u32 flow_tag, - struct mlx5_flow_destination *dest) -{ - struct mlx5_flow_rule *rule; - struct mlx5_flow_group *g; - - g = create_autogroup(ft, match_criteria_enable, match_criteria); - if (IS_ERR(g)) - return (void *)g; - - rule = add_rule_fg(g, match_value, - action, flow_tag, dest); - if (IS_ERR(rule)) { - /* Remove assumes refcount > 0 and autogroup creates a group - * with a refcount = 0. - */ - tree_get_node(&g->node); - tree_remove_node(&g->node); - } - return rule; -} - static struct mlx5_flow_rule * _mlx5_add_flow_rule(struct mlx5_flow_table *ft, u8 match_criteria_enable, @@ -1119,8 +1092,23 @@ _mlx5_add_flow_rule(struct mlx5_flow_table *ft, goto unlock; } - rule = add_rule_to_auto_fg(ft, match_criteria_enable, match_criteria, - match_value, action, flow_tag, dest); + g = create_autogroup(ft, match_criteria_enable, match_criteria); + if (IS_ERR(g)) { + rule = (void *)g; + goto unlock; + } + + rule = add_rule_fg(g, match_value, + action, flow_tag, dest); + if (IS_ERR(rule)) { + /* Remove assumes refcount > 0 and autogroup creates a group + * with a refcount = 0. + */ + unlock_ref_node(&ft->node); + tree_get_node(&g->node); + tree_remove_node(&g->node); + return rule; + } unlock: unlock_ref_node(&ft->node); return rule; @@ -1288,7 +1276,7 @@ struct mlx5_flow_namespace *mlx5_get_flow_namespace(struct mlx5_core_dev *dev, { struct mlx5_flow_root_namespace *root_ns = dev->priv.root_ns; int prio; - static struct fs_prio *fs_prio; + struct fs_prio *fs_prio; struct mlx5_flow_namespace *ns; if (!root_ns) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 3f3b2fae4991..6892746fd10d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -966,7 +966,7 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) int err; mutex_lock(&dev->intf_state_mutex); - if (dev->interface_state == MLX5_INTERFACE_STATE_UP) { + if (test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) { dev_warn(&dev->pdev->dev, "%s: interface is up, NOP\n", __func__); goto out; @@ -1133,7 +1133,8 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) if (err) pr_info("failed request module on %s\n", MLX5_IB_MOD); - dev->interface_state = MLX5_INTERFACE_STATE_UP; + clear_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); + set_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); out: mutex_unlock(&dev->intf_state_mutex); @@ -1207,7 +1208,7 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) } mutex_lock(&dev->intf_state_mutex); - if (dev->interface_state == MLX5_INTERFACE_STATE_DOWN) { + if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) { dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n", __func__); goto out; @@ -1241,7 +1242,8 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv) mlx5_cmd_cleanup(dev); out: - dev->interface_state = MLX5_INTERFACE_STATE_DOWN; + clear_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); + set_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); mutex_unlock(&dev->intf_state_mutex); return err; } @@ -1452,6 +1454,18 @@ static const struct pci_error_handlers mlx5_err_handler = { .resume = mlx5_pci_resume }; +static void shutdown(struct pci_dev *pdev) +{ + struct mlx5_core_dev *dev = pci_get_drvdata(pdev); + struct mlx5_priv *priv = &dev->priv; + + dev_info(&pdev->dev, "Shutdown was called\n"); + /* Notify mlx5 clients that the kernel is being shut down */ + set_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &dev->intf_state); + mlx5_unload_one(dev, priv); + mlx5_pci_disable_device(dev); +} + static const struct pci_device_id mlx5_core_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0x1011) }, /* Connect-IB */ { PCI_VDEVICE(MELLANOX, 0x1012), MLX5_PCI_DEV_IS_VF}, /* Connect-IB VF */ @@ -1459,6 +1473,8 @@ static const struct pci_device_id mlx5_core_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0x1014), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4 VF */ { PCI_VDEVICE(MELLANOX, 0x1015) }, /* ConnectX-4LX */ { PCI_VDEVICE(MELLANOX, 0x1016), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4LX VF */ + { PCI_VDEVICE(MELLANOX, 0x1017) }, /* ConnectX-5 */ + { PCI_VDEVICE(MELLANOX, 0x1018), MLX5_PCI_DEV_IS_VF}, /* ConnectX-5 VF */ { 0, } }; @@ -1469,6 +1485,7 @@ static struct pci_driver mlx5_core_driver = { .id_table = mlx5_core_pci_table, .probe = init_one, .remove = remove_one, + .shutdown = shutdown, .err_handler = &mlx5_err_handler, .sriov_configure = mlx5_core_sriov_configure, }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index ae378c575deb..53cc1e2c693b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -247,8 +247,8 @@ int mlx5_query_port_admin_status(struct mlx5_core_dev *dev, } EXPORT_SYMBOL_GPL(mlx5_query_port_admin_status); -static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, int *admin_mtu, - int *max_mtu, int *oper_mtu, u8 port) +static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, u16 *admin_mtu, + u16 *max_mtu, u16 *oper_mtu, u8 port) { u32 in[MLX5_ST_SZ_DW(pmtu_reg)]; u32 out[MLX5_ST_SZ_DW(pmtu_reg)]; @@ -268,7 +268,7 @@ static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, int *admin_mtu, *admin_mtu = MLX5_GET(pmtu_reg, out, admin_mtu); } -int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port) +int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port) { u32 in[MLX5_ST_SZ_DW(pmtu_reg)]; u32 out[MLX5_ST_SZ_DW(pmtu_reg)]; @@ -283,14 +283,14 @@ int mlx5_set_port_mtu(struct mlx5_core_dev *dev, int mtu, u8 port) } EXPORT_SYMBOL_GPL(mlx5_set_port_mtu); -void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, int *max_mtu, +void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu, u8 port) { mlx5_query_port_mtu(dev, NULL, max_mtu, NULL, port); } EXPORT_SYMBOL_GPL(mlx5_query_port_max_mtu); -void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, int *oper_mtu, +void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu, u8 port) { mlx5_query_port_mtu(dev, NULL, NULL, oper_mtu, port); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c index 8ba080e441a1..5ff8af472bf5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c @@ -269,8 +269,10 @@ EXPORT_SYMBOL(mlx5_alloc_map_uar); void mlx5_unmap_free_uar(struct mlx5_core_dev *mdev, struct mlx5_uar *uar) { - iounmap(uar->map); - iounmap(uar->bf_map); + if (uar->map) + iounmap(uar->map); + else + iounmap(uar->bf_map); mlx5_cmd_free_uar(mdev, uar->index); } EXPORT_SYMBOL(mlx5_unmap_free_uar); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c index bd518405859e..b69dadcfb897 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c @@ -196,6 +196,46 @@ int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev, } EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_address); +int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu) +{ + int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out); + u32 *out; + int err; + + out = mlx5_vzalloc(outlen); + if (!out) + return -ENOMEM; + + err = mlx5_query_nic_vport_context(mdev, 0, out, outlen); + if (!err) + *mtu = MLX5_GET(query_nic_vport_context_out, out, + nic_vport_context.mtu); + + kvfree(out); + return err; +} +EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mtu); + +int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu) +{ + int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in); + void *in; + int err; + + in = mlx5_vzalloc(inlen); + if (!in) + return -ENOMEM; + + MLX5_SET(modify_nic_vport_context_in, in, field_select.mtu, 1); + MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.mtu, mtu); + + err = mlx5_modify_nic_vport_context(mdev, in, inlen); + + kvfree(in); + return err; +} +EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mtu); + int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev, u32 vport, enum mlx5_list_type list_type, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c index 9f10df25f3cd..f2fd1ef16da7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.c @@ -95,21 +95,22 @@ struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port) return vxlan; } -int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port) +static void mlx5e_vxlan_add_port(struct work_struct *work) { + struct mlx5e_vxlan_work *vxlan_work = + container_of(work, struct mlx5e_vxlan_work, work); + struct mlx5e_priv *priv = vxlan_work->priv; struct mlx5e_vxlan_db *vxlan_db = &priv->vxlan; + u16 port = vxlan_work->port; struct mlx5e_vxlan *vxlan; int err; - err = mlx5e_vxlan_core_add_port_cmd(priv->mdev, port); - if (err) - return err; + if (mlx5e_vxlan_core_add_port_cmd(priv->mdev, port)) + goto free_work; vxlan = kzalloc(sizeof(*vxlan), GFP_KERNEL); - if (!vxlan) { - err = -ENOMEM; + if (!vxlan) goto err_delete_port; - } vxlan->udp_port = port; @@ -119,13 +120,14 @@ int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port) if (err) goto err_free; - return 0; + goto free_work; err_free: kfree(vxlan); err_delete_port: mlx5e_vxlan_core_del_port_cmd(priv->mdev, port); - return err; +free_work: + kfree(vxlan_work); } static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port) @@ -145,12 +147,36 @@ static void __mlx5e_vxlan_core_del_port(struct mlx5e_priv *priv, u16 port) kfree(vxlan); } -void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port) +static void mlx5e_vxlan_del_port(struct work_struct *work) { - if (!mlx5e_vxlan_lookup_port(priv, port)) - return; + struct mlx5e_vxlan_work *vxlan_work = + container_of(work, struct mlx5e_vxlan_work, work); + struct mlx5e_priv *priv = vxlan_work->priv; + u16 port = vxlan_work->port; __mlx5e_vxlan_core_del_port(priv, port); + + kfree(vxlan_work); +} + +void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family, + u16 port, int add) +{ + struct mlx5e_vxlan_work *vxlan_work; + + vxlan_work = kmalloc(sizeof(*vxlan_work), GFP_ATOMIC); + if (!vxlan_work) + return; + + if (add) + INIT_WORK(&vxlan_work->work, mlx5e_vxlan_add_port); + else + INIT_WORK(&vxlan_work->work, mlx5e_vxlan_del_port); + + vxlan_work->priv = priv; + vxlan_work->port = port; + vxlan_work->sa_family = sa_family; + queue_work(priv->wq, &vxlan_work->work); } void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h index a01685056ab1..129f3527aa14 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/vxlan.h @@ -39,6 +39,13 @@ struct mlx5e_vxlan { u16 udp_port; }; +struct mlx5e_vxlan_work { + struct work_struct work; + struct mlx5e_priv *priv; + sa_family_t sa_family; + u16 port; +}; + static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev) { return (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan) && @@ -46,8 +53,8 @@ static inline bool mlx5e_vxlan_allowed(struct mlx5_core_dev *mdev) } void mlx5e_vxlan_init(struct mlx5e_priv *priv); -int mlx5e_vxlan_add_port(struct mlx5e_priv *priv, u16 port); -void mlx5e_vxlan_del_port(struct mlx5e_priv *priv, u16 port); +void mlx5e_vxlan_queue_work(struct mlx5e_priv *priv, sa_family_t sa_family, + u16 port, int add); struct mlx5e_vxlan *mlx5e_vxlan_lookup_port(struct mlx5e_priv *priv, u16 port); void mlx5e_vxlan_cleanup(struct mlx5e_priv *priv); diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 270c9eeb7ab6..6d1a956e3f77 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -2668,9 +2668,9 @@ static int myri10ge_close(struct net_device *dev) del_timer_sync(&mgp->watchdog_timer); mgp->running = MYRI10GE_ETH_STOPPING; - local_bh_disable(); /* myri10ge_ss_lock_napi needs bh disabled */ for (i = 0; i < mgp->num_slices; i++) { napi_disable(&mgp->ss[i].napi); + local_bh_disable(); /* myri10ge_ss_lock_napi needs this */ /* Lock the slice to prevent the busy_poll handler from * accessing it. Later when we bring the NIC up, myri10ge_open * resets the slice including this lock. @@ -2679,8 +2679,8 @@ static int myri10ge_close(struct net_device *dev) pr_info("Slice %d locked\n", i); mdelay(1); } + local_bh_enable(); } - local_bh_enable(); netif_carrier_off(dev); netif_tx_stop_all_queues(dev); diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 518af329502d..7869465435fa 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -750,6 +750,12 @@ static bool qede_has_tx_work(struct qede_fastpath *fp) return false; } +static inline void qede_rx_bd_ring_consume(struct qede_rx_queue *rxq) +{ + qed_chain_consume(&rxq->rx_bd_ring); + rxq->sw_rx_cons++; +} + /* This function reuses the buffer(from an offset) from * consumer index to producer index in the bd ring */ @@ -773,6 +779,21 @@ static inline void qede_reuse_page(struct qede_dev *edev, curr_cons->data = NULL; } +/* In case of allocation failures reuse buffers + * from consumer index to produce buffers for firmware + */ +static void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, + struct qede_dev *edev, u8 count) +{ + struct sw_rx_data *curr_cons; + + for (; count > 0; count--) { + curr_cons = &rxq->sw_rx_ring[rxq->sw_rx_cons & NUM_RX_BDS_MAX]; + qede_reuse_page(edev, rxq, curr_cons); + qede_rx_bd_ring_consume(rxq); + } +} + static inline int qede_realloc_rx_buffer(struct qede_dev *edev, struct qede_rx_queue *rxq, struct sw_rx_data *curr_cons) @@ -781,8 +802,14 @@ static inline int qede_realloc_rx_buffer(struct qede_dev *edev, curr_cons->page_offset += rxq->rx_buf_seg_size; if (curr_cons->page_offset == PAGE_SIZE) { - if (unlikely(qede_alloc_rx_buffer(edev, rxq))) + if (unlikely(qede_alloc_rx_buffer(edev, rxq))) { + /* Since we failed to allocate new buffer + * current buffer can be used again. + */ + curr_cons->page_offset -= rxq->rx_buf_seg_size; + return -ENOMEM; + } dma_unmap_page(&edev->pdev->dev, curr_cons->mapping, PAGE_SIZE, DMA_FROM_DEVICE); @@ -901,7 +928,10 @@ static int qede_fill_frag_skb(struct qede_dev *edev, len_on_bd); if (unlikely(qede_realloc_rx_buffer(edev, rxq, current_bd))) { - tpa_info->agg_state = QEDE_AGG_STATE_ERROR; + /* Incr page ref count to reuse on allocation failure + * so that it doesn't get freed while freeing SKB. + */ + atomic_inc(¤t_bd->data->_count); goto out; } @@ -915,6 +945,8 @@ static int qede_fill_frag_skb(struct qede_dev *edev, return 0; out: + tpa_info->agg_state = QEDE_AGG_STATE_ERROR; + qede_recycle_rx_bd_ring(rxq, edev, 1); return -ENOMEM; } @@ -966,8 +998,9 @@ static void qede_tpa_start(struct qede_dev *edev, tpa_info->skb = netdev_alloc_skb(edev->ndev, le16_to_cpu(cqe->len_on_first_bd)); if (unlikely(!tpa_info->skb)) { + DP_NOTICE(edev, "Failed to allocate SKB for gro\n"); tpa_info->agg_state = QEDE_AGG_STATE_ERROR; - return; + goto cons_buf; } skb_put(tpa_info->skb, le16_to_cpu(cqe->len_on_first_bd)); @@ -990,6 +1023,7 @@ static void qede_tpa_start(struct qede_dev *edev, /* This is needed in order to enable forwarding support */ qede_set_gro_params(edev, tpa_info->skb, cqe); +cons_buf: /* We still need to handle bd_len_list to consume buffers */ if (likely(cqe->ext_bd_len_list[0])) qede_fill_frag_skb(edev, rxq, cqe->tpa_agg_index, le16_to_cpu(cqe->ext_bd_len_list[0])); @@ -1007,7 +1041,6 @@ static void qede_gro_ip_csum(struct sk_buff *skb) const struct iphdr *iph = ip_hdr(skb); struct tcphdr *th; - skb_set_network_header(skb, 0); skb_set_transport_header(skb, sizeof(struct iphdr)); th = tcp_hdr(skb); @@ -1022,7 +1055,6 @@ static void qede_gro_ipv6_csum(struct sk_buff *skb) struct ipv6hdr *iph = ipv6_hdr(skb); struct tcphdr *th; - skb_set_network_header(skb, 0); skb_set_transport_header(skb, sizeof(struct ipv6hdr)); th = tcp_hdr(skb); @@ -1037,8 +1069,21 @@ static void qede_gro_receive(struct qede_dev *edev, struct sk_buff *skb, u16 vlan_tag) { + /* FW can send a single MTU sized packet from gro flow + * due to aggregation timeout/last segment etc. which + * is not expected to be a gro packet. If a skb has zero + * frags then simply push it in the stack as non gso skb. + */ + if (unlikely(!skb->data_len)) { + skb_shinfo(skb)->gso_type = 0; + skb_shinfo(skb)->gso_size = 0; + goto send_skb; + } + #ifdef CONFIG_INET if (skb_shinfo(skb)->gso_size) { + skb_set_network_header(skb, 0); + switch (skb->protocol) { case htons(ETH_P_IP): qede_gro_ip_csum(skb); @@ -1053,6 +1098,8 @@ static void qede_gro_receive(struct qede_dev *edev, } } #endif + +send_skb: skb_record_rx_queue(skb, fp->rss_id); qede_skb_receive(edev, fp, skb, vlan_tag); } @@ -1244,17 +1291,17 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget) "CQE in CONS = %u has error, flags = %x, dropping incoming packet\n", sw_comp_cons, parse_flag); rxq->rx_hw_errors++; - qede_reuse_page(edev, rxq, sw_rx_data); - goto next_rx; + qede_recycle_rx_bd_ring(rxq, edev, fp_cqe->bd_num); + goto next_cqe; } skb = netdev_alloc_skb(edev->ndev, QEDE_RX_HDR_SIZE); if (unlikely(!skb)) { DP_NOTICE(edev, "Build_skb failed, dropping incoming packet\n"); - qede_reuse_page(edev, rxq, sw_rx_data); + qede_recycle_rx_bd_ring(rxq, edev, fp_cqe->bd_num); rxq->rx_alloc_errors++; - goto next_rx; + goto next_cqe; } /* Copy data into SKB */ @@ -1288,11 +1335,22 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget) if (unlikely(qede_realloc_rx_buffer(edev, rxq, sw_rx_data))) { DP_ERR(edev, "Failed to allocate rx buffer\n"); + /* Incr page ref count to reuse on allocation + * failure so that it doesn't get freed while + * freeing SKB. + */ + + atomic_inc(&sw_rx_data->data->_count); rxq->rx_alloc_errors++; + qede_recycle_rx_bd_ring(rxq, edev, + fp_cqe->bd_num); + dev_kfree_skb_any(skb); goto next_cqe; } } + qede_rx_bd_ring_consume(rxq); + if (fp_cqe->bd_num != 1) { u16 pkt_len = le16_to_cpu(fp_cqe->pkt_len); u8 num_frags; @@ -1303,18 +1361,27 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget) num_frags--) { u16 cur_size = pkt_len > rxq->rx_buf_size ? rxq->rx_buf_size : pkt_len; + if (unlikely(!cur_size)) { + DP_ERR(edev, + "Still got %d BDs for mapping jumbo, but length became 0\n", + num_frags); + qede_recycle_rx_bd_ring(rxq, edev, + num_frags); + dev_kfree_skb_any(skb); + goto next_cqe; + } - WARN_ONCE(!cur_size, - "Still got %d BDs for mapping jumbo, but length became 0\n", - num_frags); - - if (unlikely(qede_alloc_rx_buffer(edev, rxq))) + if (unlikely(qede_alloc_rx_buffer(edev, rxq))) { + qede_recycle_rx_bd_ring(rxq, edev, + num_frags); + dev_kfree_skb_any(skb); goto next_cqe; + } - rxq->sw_rx_cons++; sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX; sw_rx_data = &rxq->sw_rx_ring[sw_rx_index]; - qed_chain_consume(&rxq->rx_bd_ring); + qede_rx_bd_ring_consume(rxq); + dma_unmap_page(&edev->pdev->dev, sw_rx_data->mapping, PAGE_SIZE, DMA_FROM_DEVICE); @@ -1330,7 +1397,7 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget) pkt_len -= cur_size; } - if (pkt_len) + if (unlikely(pkt_len)) DP_ERR(edev, "Mapped all BDs of jumbo, but still have %d bytes\n", pkt_len); @@ -1349,10 +1416,6 @@ static int qede_rx_int(struct qede_fastpath *fp, int budget) skb_record_rx_queue(skb, fp->rss_id); qede_skb_receive(edev, fp, skb, le16_to_cpu(fp_cqe->vlan_tag)); - - qed_chain_consume(&rxq->rx_bd_ring); -next_rx: - rxq->sw_rx_cons++; next_rx_only: rx_pkt++; @@ -2257,7 +2320,7 @@ static void qede_free_sge_mem(struct qede_dev *edev, struct qede_agg_info *tpa_info = &rxq->tpa_info[i]; struct sw_rx_data *replace_buf = &tpa_info->replace_buf; - if (replace_buf) { + if (replace_buf->data) { dma_unmap_page(&edev->pdev->dev, dma_unmap_addr(replace_buf, mapping), PAGE_SIZE, DMA_FROM_DEVICE); @@ -2377,7 +2440,7 @@ err: static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq) { - int i, rc, size, num_allocated; + int i, rc, size; rxq->num_rx_buffers = edev->q_num_rx_buffers; @@ -2394,6 +2457,7 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, rxq->sw_rx_ring = kzalloc(size, GFP_KERNEL); if (!rxq->sw_rx_ring) { DP_ERR(edev, "Rx buffers ring allocation failed\n"); + rc = -ENOMEM; goto err; } @@ -2421,26 +2485,16 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, /* Allocate buffers for the Rx ring */ for (i = 0; i < rxq->num_rx_buffers; i++) { rc = qede_alloc_rx_buffer(edev, rxq); - if (rc) - break; - } - num_allocated = i; - if (!num_allocated) { - DP_ERR(edev, "Rx buffers allocation failed\n"); - goto err; - } else if (num_allocated < rxq->num_rx_buffers) { - DP_NOTICE(edev, - "Allocated less buffers than desired (%d allocated)\n", - num_allocated); + if (rc) { + DP_ERR(edev, + "Rx buffers allocation failed at index %d\n", i); + goto err; + } } - qede_alloc_sge_mem(edev, rxq); - - return 0; - + rc = qede_alloc_sge_mem(edev, rxq); err: - qede_free_mem_rxq(edev, rxq); - return -ENOMEM; + return rc; } static void qede_free_mem_txq(struct qede_dev *edev, @@ -2523,10 +2577,8 @@ static int qede_alloc_mem_fp(struct qede_dev *edev, } return 0; - err: - qede_free_mem_fp(edev, fp); - return -ENOMEM; + return rc; } static void qede_free_mem_load(struct qede_dev *edev) @@ -2549,22 +2601,13 @@ static int qede_alloc_mem_load(struct qede_dev *edev) struct qede_fastpath *fp = &edev->fp_array[rss_id]; rc = qede_alloc_mem_fp(edev, fp); - if (rc) - break; - } - - if (rss_id != QEDE_RSS_CNT(edev)) { - /* Failed allocating memory for all the queues */ - if (!rss_id) { + if (rc) { DP_ERR(edev, - "Failed to allocate memory for the leading queue\n"); - rc = -ENOMEM; - } else { - DP_NOTICE(edev, - "Failed to allocate memory for all of RSS queues\n Desired: %d queues, allocated: %d queues\n", - QEDE_RSS_CNT(edev), rss_id); + "Failed to allocate memory for fastpath - rss id = %d\n", + rss_id); + qede_free_mem_load(edev); + return rc; } - edev->num_rss = rss_id; } return 0; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 55007f1e6bbc..caf6ddb7ea76 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -37,8 +37,8 @@ #define _QLCNIC_LINUX_MAJOR 5 #define _QLCNIC_LINUX_MINOR 3 -#define _QLCNIC_LINUX_SUBVERSION 63 -#define QLCNIC_LINUX_VERSIONID "5.3.63" +#define _QLCNIC_LINUX_SUBVERSION 64 +#define QLCNIC_LINUX_VERSIONID "5.3.64" #define QLCNIC_DRV_IDC_VER 0x01 #define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\ (_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION)) diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 087e14a3fba7..9e2a0bd8f5a8 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1691,6 +1691,9 @@ static int ravb_set_gti(struct net_device *ndev) rate = clk_get_rate(clk); clk_put(clk); + if (!rate) + return -EINVAL; + inc = 1000000000ULL << 20; do_div(inc, rate); diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 004e2d7560fd..ceea74cc2229 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2194,17 +2194,13 @@ static int sh_eth_set_ringparam(struct net_device *ndev, __func__); return ret; } - ret = sh_eth_dev_init(ndev, false); + ret = sh_eth_dev_init(ndev, true); if (ret < 0) { netdev_err(ndev, "%s: sh_eth_dev_init failed.\n", __func__); return ret; } - mdp->irq_enabled = true; - sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR); - /* Setting the Rx mode will start the Rx process. */ - sh_eth_write(ndev, EDRRR_R, EDRRR); netif_device_attach(ndev); } diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 98d33d462c6c..1681084cc96f 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -1920,6 +1920,10 @@ static int efx_ef10_alloc_rss_context(struct efx_nic *efx, u32 *context, return 0; } + if (nic_data->datapath_caps & + 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN) + return -EOPNOTSUPP; + MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID, nic_data->vport_id); MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type); @@ -2923,9 +2927,16 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx, bool replacing) { struct efx_ef10_nic_data *nic_data = efx->nic_data; + u32 flags = spec->flags; memset(inbuf, 0, MC_CMD_FILTER_OP_IN_LEN); + /* Remove RSS flag if we don't have an RSS context. */ + if (flags & EFX_FILTER_FLAG_RX_RSS && + spec->rss_context == EFX_FILTER_RSS_CONTEXT_DEFAULT && + nic_data->rx_rss_context == EFX_EF10_RSS_CONTEXT_INVALID) + flags &= ~EFX_FILTER_FLAG_RX_RSS; + if (replacing) { MCDI_SET_DWORD(inbuf, FILTER_OP_IN_OP, MC_CMD_FILTER_OP_IN_OP_REPLACE); @@ -2985,10 +2996,10 @@ static void efx_ef10_filter_push_prep(struct efx_nic *efx, spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ? 0 : spec->dmaq_id); MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_MODE, - (spec->flags & EFX_FILTER_FLAG_RX_RSS) ? + (flags & EFX_FILTER_FLAG_RX_RSS) ? MC_CMD_FILTER_OP_IN_RX_MODE_RSS : MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE); - if (spec->flags & EFX_FILTER_FLAG_RX_RSS) + if (flags & EFX_FILTER_FLAG_RX_RSS) MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_CONTEXT, spec->rss_context != EFX_FILTER_RSS_CONTEXT_DEFAULT ? diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c index f0d797ab74d8..afb90d129cb6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -34,6 +34,9 @@ #define SYSMGR_EMACGRP_CTRL_PHYSEL_MASK 0x00000003 #define SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK 0x00000010 +#define SYSMGR_FPGAGRP_MODULE_REG 0x00000028 +#define SYSMGR_FPGAGRP_MODULE_EMAC 0x00000004 + #define EMAC_SPLITTER_CTRL_REG 0x0 #define EMAC_SPLITTER_CTRL_SPEED_MASK 0x3 #define EMAC_SPLITTER_CTRL_SPEED_10 0x2 @@ -46,7 +49,6 @@ struct socfpga_dwmac { u32 reg_shift; struct device *dev; struct regmap *sys_mgr_base_addr; - struct reset_control *stmmac_rst; void __iomem *splitter_base; bool f2h_ptp_ref_clk; }; @@ -89,15 +91,6 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * struct device_node *np_splitter; struct resource res_splitter; - dwmac->stmmac_rst = devm_reset_control_get(dev, - STMMAC_RESOURCE_NAME); - if (IS_ERR(dwmac->stmmac_rst)) { - dev_info(dev, "Could not get reset control!\n"); - if (PTR_ERR(dwmac->stmmac_rst) == -EPROBE_DEFER) - return -EPROBE_DEFER; - dwmac->stmmac_rst = NULL; - } - dwmac->interface = of_get_phy_mode(np); sys_mgr_base_addr = syscon_regmap_lookup_by_phandle(np, "altr,sysmgr-syscon"); @@ -148,7 +141,7 @@ static int socfpga_dwmac_setup(struct socfpga_dwmac *dwmac) int phymode = dwmac->interface; u32 reg_offset = dwmac->reg_offset; u32 reg_shift = dwmac->reg_shift; - u32 ctrl, val; + u32 ctrl, val, module; switch (phymode) { case PHY_INTERFACE_MODE_RGMII: @@ -175,39 +168,39 @@ static int socfpga_dwmac_setup(struct socfpga_dwmac *dwmac) ctrl &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << reg_shift); ctrl |= val << reg_shift; - if (dwmac->f2h_ptp_ref_clk) + if (dwmac->f2h_ptp_ref_clk) { ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2); - else + regmap_read(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG, + &module); + module |= (SYSMGR_FPGAGRP_MODULE_EMAC << (reg_shift / 2)); + regmap_write(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG, + module); + } else { ctrl &= ~(SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2)); + } regmap_write(sys_mgr_base_addr, reg_offset, ctrl); - return 0; -} - -static void socfpga_dwmac_exit(struct platform_device *pdev, void *priv) -{ - struct socfpga_dwmac *dwmac = priv; - /* On socfpga platform exit, assert and hold reset to the - * enet controller - the default state after a hard reset. - */ - if (dwmac->stmmac_rst) - reset_control_assert(dwmac->stmmac_rst); + return 0; } static int socfpga_dwmac_init(struct platform_device *pdev, void *priv) { - struct socfpga_dwmac *dwmac = priv; + struct socfpga_dwmac *dwmac = priv; struct net_device *ndev = platform_get_drvdata(pdev); struct stmmac_priv *stpriv = NULL; int ret = 0; - if (ndev) - stpriv = netdev_priv(ndev); + if (!ndev) + return -EINVAL; + + stpriv = netdev_priv(ndev); + if (!stpriv) + return -EINVAL; /* Assert reset to the enet controller before changing the phy mode */ - if (dwmac->stmmac_rst) - reset_control_assert(dwmac->stmmac_rst); + if (stpriv->stmmac_rst) + reset_control_assert(stpriv->stmmac_rst); /* Setup the phy mode in the system manager registers according to * devicetree configuration @@ -217,8 +210,8 @@ static int socfpga_dwmac_init(struct platform_device *pdev, void *priv) /* Deassert reset for the phy configuration to be sampled by * the enet controller, and operation to start in requested mode */ - if (dwmac->stmmac_rst) - reset_control_deassert(dwmac->stmmac_rst); + if (stpriv->stmmac_rst) + reset_control_deassert(stpriv->stmmac_rst); /* Before the enet controller is suspended, the phy is suspended. * This causes the phy clock to be gated. The enet controller is @@ -235,7 +228,7 @@ static int socfpga_dwmac_init(struct platform_device *pdev, void *priv) * control register 0, and can be modified by the phy driver * framework. */ - if (stpriv && stpriv->phydev) + if (stpriv->phydev) phy_resume(stpriv->phydev); return ret; @@ -275,14 +268,13 @@ static int socfpga_dwmac_probe(struct platform_device *pdev) plat_dat->bsp_priv = dwmac; plat_dat->init = socfpga_dwmac_init; - plat_dat->exit = socfpga_dwmac_exit; plat_dat->fix_mac_speed = socfpga_dwmac_fix_mac_speed; - ret = socfpga_dwmac_init(pdev, plat_dat->bsp_priv); - if (ret) - return ret; + ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (!ret) + ret = socfpga_dwmac_init(pdev, dwmac); - return stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + return ret; } static const struct of_device_id socfpga_dwmac_match[] = { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 78464fa7fe1f..fcbd4be562e2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -288,10 +288,6 @@ bool stmmac_eee_init(struct stmmac_priv *priv) (priv->pcs == STMMAC_PCS_RTBI)) goto out; - /* Never init EEE in case of a switch is attached */ - if (priv->phydev->is_pseudo_fixed_link) - goto out; - /* MAC core supports the EEE feature. */ if (priv->dma_cap.eee) { int tx_lpi_timer = priv->tx_lpi_timer; @@ -771,10 +767,16 @@ static void stmmac_adjust_link(struct net_device *dev) spin_unlock_irqrestore(&priv->lock, flags); - /* At this stage, it could be needed to setup the EEE or adjust some - * MAC related HW registers. - */ - priv->eee_enabled = stmmac_eee_init(priv); + if (phydev->is_pseudo_fixed_link) + /* Stop PHY layer to call the hook to adjust the link in case + * of a switch is attached to the stmmac driver. + */ + phydev->irq = PHY_IGNORE_INTERRUPT; + else + /* At this stage, init the EEE if supported. + * Never called in case of fixed_link. + */ + priv->eee_enabled = stmmac_eee_init(priv); } /** @@ -865,10 +867,6 @@ static int stmmac_init_phy(struct net_device *dev) return -ENODEV; } - /* If attached to a switch, there is no reason to poll phy handler */ - if (phydev->is_pseudo_fixed_link) - phydev->irq = PHY_IGNORE_INTERRUPT; - pr_debug("stmmac_init_phy: %s: attached to PHY (UID 0x%x)" " Link = %d\n", dev->name, phydev->phy_id, phydev->link); diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 42fdfd4d9d4f..e2fcdf1eec44 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -367,7 +367,6 @@ struct cpsw_priv { spinlock_t lock; struct platform_device *pdev; struct net_device *ndev; - struct device_node *phy_node; struct napi_struct napi_rx; struct napi_struct napi_tx; struct device *dev; @@ -1148,25 +1147,34 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) cpsw_ale_add_mcast(priv->ale, priv->ndev->broadcast, 1 << slave_port, 0, 0, ALE_MCAST_FWD_2); - if (priv->phy_node) - slave->phy = of_phy_connect(priv->ndev, priv->phy_node, + if (slave->data->phy_node) { + slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node, &cpsw_adjust_link, 0, slave->data->phy_if); - else + if (!slave->phy) { + dev_err(priv->dev, "phy \"%s\" not found on slave %d\n", + slave->data->phy_node->full_name, + slave->slave_num); + return; + } + } else { slave->phy = phy_connect(priv->ndev, slave->data->phy_id, &cpsw_adjust_link, slave->data->phy_if); - if (IS_ERR(slave->phy)) { - dev_err(priv->dev, "phy %s not found on slave %d\n", - slave->data->phy_id, slave->slave_num); - slave->phy = NULL; - } else { - phy_attached_info(slave->phy); + if (IS_ERR(slave->phy)) { + dev_err(priv->dev, + "phy \"%s\" not found on slave %d, err %ld\n", + slave->data->phy_id, slave->slave_num, + PTR_ERR(slave->phy)); + slave->phy = NULL; + return; + } + } - phy_start(slave->phy); + phy_attached_info(slave->phy); - /* Configure GMII_SEL register */ - cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, - slave->slave_num); - } + phy_start(slave->phy); + + /* Configure GMII_SEL register */ + cpsw_phy_sel(&priv->pdev->dev, slave->phy->interface, slave->slave_num); } static inline void cpsw_add_default_vlan(struct cpsw_priv *priv) @@ -1251,12 +1259,12 @@ static int cpsw_ndo_open(struct net_device *ndev) int i, ret; u32 reg; + pm_runtime_get_sync(&priv->pdev->dev); + if (!cpsw_common_res_usage_state(priv)) cpsw_intr_disable(priv); netif_carrier_off(ndev); - pm_runtime_get_sync(&priv->pdev->dev); - reg = priv->version; dev_info(priv->dev, "initializing cpsw version %d.%d (%d)\n", @@ -1940,12 +1948,11 @@ static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv, slave->port_vlan = data->dual_emac_res_vlan; } -static int cpsw_probe_dt(struct cpsw_priv *priv, +static int cpsw_probe_dt(struct cpsw_platform_data *data, struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; struct device_node *slave_node; - struct cpsw_platform_data *data = &priv->data; int i = 0, ret; u32 prop; @@ -2033,25 +2040,21 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, if (strcmp(slave_node->name, "slave")) continue; - priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0); + slave_data->phy_node = of_parse_phandle(slave_node, + "phy-handle", 0); parp = of_get_property(slave_node, "phy_id", &lenp); - if (of_phy_is_fixed_link(slave_node)) { - struct device_node *phy_node; - struct phy_device *phy_dev; - + if (slave_data->phy_node) { + dev_dbg(&pdev->dev, + "slave[%d] using phy-handle=\"%s\"\n", + i, slave_data->phy_node->full_name); + } else if (of_phy_is_fixed_link(slave_node)) { /* In the case of a fixed PHY, the DT node associated * to the PHY is the Ethernet MAC DT node. */ ret = of_phy_register_fixed_link(slave_node); if (ret) return ret; - phy_node = of_node_get(slave_node); - phy_dev = of_phy_find_device(phy_node); - if (!phy_dev) - return -ENODEV; - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, phy_dev->mdio.bus->id, - phy_dev->mdio.addr); + slave_data->phy_node = of_node_get(slave_node); } else if (parp) { u32 phyid; struct device_node *mdio_node; @@ -2072,7 +2075,9 @@ static int cpsw_probe_dt(struct cpsw_priv *priv, snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), PHY_ID_FMT, mdio->name, phyid); } else { - dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i); + dev_err(&pdev->dev, + "No slave[%d] phy_id, phy-handle, or fixed-link property\n", + i); goto no_phy_slave; } slave_data->phy_if = of_get_phy_mode(slave_node); @@ -2275,7 +2280,7 @@ static int cpsw_probe(struct platform_device *pdev) /* Select default pin state */ pinctrl_pm_select_default_state(&pdev->dev); - if (cpsw_probe_dt(priv, pdev)) { + if (cpsw_probe_dt(&priv->data, pdev)) { dev_err(&pdev->dev, "cpsw: platform data missing\n"); ret = -ENODEV; goto clean_runtime_disable_ret; diff --git a/drivers/net/ethernet/ti/cpsw.h b/drivers/net/ethernet/ti/cpsw.h index 442a7038e660..e50afd1b2eda 100644 --- a/drivers/net/ethernet/ti/cpsw.h +++ b/drivers/net/ethernet/ti/cpsw.h @@ -18,6 +18,7 @@ #include <linux/phy.h> struct cpsw_slave_data { + struct device_node *phy_node; char phy_id[MII_BUS_ID_SIZE]; int phy_if; u8 mac_addr[ETH_ALEN]; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 5d9abedd6b75..f56d66e6ec15 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1512,7 +1512,10 @@ static int emac_devioctl(struct net_device *ndev, struct ifreq *ifrq, int cmd) /* TODO: Add phy read and write and private statistics get feature */ - return phy_mii_ioctl(priv->phydev, ifrq, cmd); + if (priv->phydev) + return phy_mii_ioctl(priv->phydev, ifrq, cmd); + else + return -EOPNOTSUPP; } static int match_first_device(struct device *dev, void *data) @@ -1878,8 +1881,6 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv) pdata->hw_ram_addr = auxdata->hw_ram_addr; } - pdev->dev.platform_data = pdata; - return pdata; } @@ -2101,6 +2102,7 @@ static int davinci_emac_remove(struct platform_device *pdev) cpdma_ctlr_destroy(priv->dma); unregister_netdev(ndev); + pm_runtime_disable(&pdev->dev); free_netdev(ndev); return 0; diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c index 13214a6492ac..743b18266a7c 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c @@ -1622,7 +1622,7 @@ static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) continue; /* copy hw scan info */ - memcpy(target->hwinfo, scan_info, scan_info->size); + memcpy(target->hwinfo, scan_info, be16_to_cpu(scan_info->size)); target->essid_len = strnlen(scan_info->essid, sizeof(scan_info->essid)); target->rate_len = 0; diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 84d3e5ca8817..c6385617bfb2 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -880,12 +880,12 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb, macsec_skb_cb(skb)->valid = false; skb = skb_share_check(skb, GFP_ATOMIC); if (!skb) - return NULL; + return ERR_PTR(-ENOMEM); req = aead_request_alloc(rx_sa->key.tfm, GFP_ATOMIC); if (!req) { kfree_skb(skb); - return NULL; + return ERR_PTR(-ENOMEM); } hdr = (struct macsec_eth_header *)skb->data; @@ -905,7 +905,7 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb, skb = skb_unshare(skb, GFP_ATOMIC); if (!skb) { aead_request_free(req); - return NULL; + return ERR_PTR(-ENOMEM); } } else { /* integrity only: all headers + data authenticated */ @@ -921,14 +921,14 @@ static struct sk_buff *macsec_decrypt(struct sk_buff *skb, dev_hold(dev); ret = crypto_aead_decrypt(req); if (ret == -EINPROGRESS) { - return NULL; + return ERR_PTR(ret); } else if (ret != 0) { /* decryption/authentication failed * 10.6 if validateFrames is disabled, deliver anyway */ if (ret != -EBADMSG) { kfree_skb(skb); - skb = NULL; + skb = ERR_PTR(ret); } } else { macsec_skb_cb(skb)->valid = true; @@ -1146,8 +1146,10 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) secy->validate_frames != MACSEC_VALIDATE_DISABLED) skb = macsec_decrypt(skb, dev, rx_sa, sci, secy); - if (!skb) { - macsec_rxsa_put(rx_sa); + if (IS_ERR(skb)) { + /* the decrypt callback needs the reference */ + if (PTR_ERR(skb) != -EINPROGRESS) + macsec_rxsa_put(rx_sa); rcu_read_unlock(); *pskb = NULL; return RX_HANDLER_CONSUMED; @@ -1161,7 +1163,8 @@ deliver: macsec_extra_len(macsec_skb_cb(skb)->has_sci)); macsec_reset_skb(skb, secy->netdev); - macsec_rxsa_put(rx_sa); + if (rx_sa) + macsec_rxsa_put(rx_sa); count_rx(dev, skb->len); rcu_read_unlock(); @@ -1622,8 +1625,9 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info) } rx_sa = kmalloc(sizeof(*rx_sa), GFP_KERNEL); - if (init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), secy->key_len, - secy->icv_len)) { + if (!rx_sa || init_rx_sa(rx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), + secy->key_len, secy->icv_len)) { + kfree(rx_sa); rtnl_unlock(); return -ENOMEM; } @@ -1768,6 +1772,7 @@ static int macsec_add_txsa(struct sk_buff *skb, struct genl_info *info) tx_sa = kmalloc(sizeof(*tx_sa), GFP_KERNEL); if (!tx_sa || init_tx_sa(tx_sa, nla_data(tb_sa[MACSEC_SA_ATTR_KEY]), secy->key_len, secy->icv_len)) { + kfree(tx_sa); rtnl_unlock(); return -ENOMEM; } @@ -2227,7 +2232,8 @@ static int nla_put_secy(struct macsec_secy *secy, struct sk_buff *skb) return 1; if (nla_put_sci(skb, MACSEC_SECY_ATTR_SCI, secy->sci) || - nla_put_u64(skb, MACSEC_SECY_ATTR_CIPHER_SUITE, DEFAULT_CIPHER_ID) || + nla_put_u64(skb, MACSEC_SECY_ATTR_CIPHER_SUITE, + MACSEC_DEFAULT_CIPHER_ID) || nla_put_u8(skb, MACSEC_SECY_ATTR_ICV_LEN, secy->icv_len) || nla_put_u8(skb, MACSEC_SECY_ATTR_OPER, secy->operational) || nla_put_u8(skb, MACSEC_SECY_ATTR_PROTECT, secy->protect_frames) || @@ -2268,7 +2274,7 @@ static int dump_secy(struct macsec_secy *secy, struct net_device *dev, if (!hdr) return -EMSGSIZE; - rtnl_lock(); + genl_dump_check_consistent(cb, hdr, &macsec_fam); if (nla_put_u32(skb, MACSEC_ATTR_IFINDEX, dev->ifindex)) goto nla_put_failure; @@ -2429,18 +2435,17 @@ static int dump_secy(struct macsec_secy *secy, struct net_device *dev, nla_nest_end(skb, rxsc_list); - rtnl_unlock(); - genlmsg_end(skb, hdr); return 0; nla_put_failure: - rtnl_unlock(); genlmsg_cancel(skb, hdr); return -EMSGSIZE; } +static int macsec_generation = 1; /* protected by RTNL */ + static int macsec_dump_txsc(struct sk_buff *skb, struct netlink_callback *cb) { struct net *net = sock_net(skb->sk); @@ -2450,6 +2455,10 @@ static int macsec_dump_txsc(struct sk_buff *skb, struct netlink_callback *cb) dev_idx = cb->args[0]; d = 0; + rtnl_lock(); + + cb->seq = macsec_generation; + for_each_netdev(net, dev) { struct macsec_secy *secy; @@ -2467,6 +2476,7 @@ next: } done: + rtnl_unlock(); cb->args[0] = d; return skb->len; } @@ -2920,10 +2930,14 @@ static void macsec_dellink(struct net_device *dev, struct list_head *head) struct net_device *real_dev = macsec->real_dev; struct macsec_rxh_data *rxd = macsec_data_rtnl(real_dev); + macsec_generation++; + unregister_netdevice_queue(dev, head); list_del_rcu(&macsec->secys); - if (list_empty(&rxd->secys)) + if (list_empty(&rxd->secys)) { netdev_rx_handler_unregister(real_dev); + kfree(rxd); + } macsec_del_dev(macsec); } @@ -2945,8 +2959,10 @@ static int register_macsec_dev(struct net_device *real_dev, err = netdev_rx_handler_register(real_dev, macsec_handle_frame, rxd); - if (err < 0) + if (err < 0) { + kfree(rxd); return err; + } } list_add_tail_rcu(&macsec->secys, &rxd->secys); @@ -3066,6 +3082,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev, if (err < 0) goto del_dev; + macsec_generation++; + dev_hold(real_dev); return 0; @@ -3079,7 +3097,7 @@ unregister: static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) { - u64 csid = DEFAULT_CIPHER_ID; + u64 csid = MACSEC_DEFAULT_CIPHER_ID; u8 icv_len = DEFAULT_ICV_LEN; int flag; bool es, scb, sci; @@ -3094,8 +3112,8 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]); switch (csid) { - case DEFAULT_CIPHER_ID: - case DEFAULT_CIPHER_ALT: + case MACSEC_DEFAULT_CIPHER_ID: + case MACSEC_DEFAULT_CIPHER_ALT: if (icv_len < MACSEC_MIN_ICV_LEN || icv_len > MACSEC_MAX_ICV_LEN) return -EINVAL; @@ -3129,8 +3147,8 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[]) nla_get_u8(data[IFLA_MACSEC_VALIDATION]) > MACSEC_VALIDATE_MAX) return -EINVAL; - if ((data[IFLA_MACSEC_PROTECT] && - nla_get_u8(data[IFLA_MACSEC_PROTECT])) && + if ((data[IFLA_MACSEC_REPLAY_PROTECT] && + nla_get_u8(data[IFLA_MACSEC_REPLAY_PROTECT])) && !data[IFLA_MACSEC_WINDOW]) return -EINVAL; @@ -3168,7 +3186,8 @@ static int macsec_fill_info(struct sk_buff *skb, if (nla_put_sci(skb, IFLA_MACSEC_SCI, secy->sci) || nla_put_u8(skb, IFLA_MACSEC_ICV_LEN, secy->icv_len) || - nla_put_u64(skb, IFLA_MACSEC_CIPHER_SUITE, DEFAULT_CIPHER_ID) || + nla_put_u64(skb, IFLA_MACSEC_CIPHER_SUITE, + MACSEC_DEFAULT_CIPHER_ID) || nla_put_u8(skb, IFLA_MACSEC_ENCODING_SA, tx_sc->encoding_sa) || nla_put_u8(skb, IFLA_MACSEC_ENCRYPT, tx_sc->encrypt) || nla_put_u8(skb, IFLA_MACSEC_PROTECT, secy->protect_frames) || diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index b3ffaee30858..f279a897a5c7 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -359,27 +359,25 @@ static void at803x_link_change_notify(struct phy_device *phydev) * in the FIFO. In such cases, the FIFO enters an error mode it * cannot recover from by software. */ - if (phydev->drv->phy_id == ATH8030_PHY_ID) { - if (phydev->state == PHY_NOLINK) { - if (priv->gpiod_reset && !priv->phy_reset) { - struct at803x_context context; - - at803x_context_save(phydev, &context); - - gpiod_set_value(priv->gpiod_reset, 1); - msleep(1); - gpiod_set_value(priv->gpiod_reset, 0); - msleep(1); - - at803x_context_restore(phydev, &context); - - phydev_dbg(phydev, "%s(): phy was reset\n", - __func__); - priv->phy_reset = true; - } - } else { - priv->phy_reset = false; + if (phydev->state == PHY_NOLINK) { + if (priv->gpiod_reset && !priv->phy_reset) { + struct at803x_context context; + + at803x_context_save(phydev, &context); + + gpiod_set_value(priv->gpiod_reset, 1); + msleep(1); + gpiod_set_value(priv->gpiod_reset, 0); + msleep(1); + + at803x_context_restore(phydev, &context); + + phydev_dbg(phydev, "%s(): phy was reset\n", + __func__); + priv->phy_reset = true; } + } else { + priv->phy_reset = false; } } @@ -391,7 +389,6 @@ static struct phy_driver at803x_driver[] = { .phy_id_mask = 0xffffffef, .probe = at803x_probe, .config_init = at803x_config_init, - .link_change_notify = at803x_link_change_notify, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, @@ -427,7 +424,6 @@ static struct phy_driver at803x_driver[] = { .phy_id_mask = 0xffffffef, .probe = at803x_probe, .config_init = at803x_config_init, - .link_change_notify = at803x_link_change_notify, .set_wol = at803x_set_wol, .get_wol = at803x_get_wol, .suspend = at803x_suspend, diff --git a/drivers/net/phy/spi_ks8995.c b/drivers/net/phy/spi_ks8995.c index b5d50d458728..93ffedfa2994 100644 --- a/drivers/net/phy/spi_ks8995.c +++ b/drivers/net/phy/spi_ks8995.c @@ -441,7 +441,7 @@ static int ks8995_probe(struct spi_device *spi) return -ENOMEM; mutex_init(&ks->lock); - ks->spi = spi_dev_get(spi); + ks->spi = spi; ks->chip = &ks8995_chip[variant]; if (ks->spi->dev.of_node) { diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 510e90a6bb26..2c9e45f50edb 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1015,7 +1015,6 @@ static void tun_net_init(struct net_device *dev) /* Zero header length */ dev->type = ARPHRD_NONE; dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; - dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */ break; case IFF_TAP: @@ -1027,7 +1026,6 @@ static void tun_net_init(struct net_device *dev) eth_hw_addr_random(dev); - dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */ break; } } @@ -1481,6 +1479,8 @@ static void tun_setup(struct net_device *dev) dev->ethtool_ops = &tun_ethtool_ops; dev->destructor = tun_free_netdev; + /* We prefer our own queue length */ + dev->tx_queue_len = TUN_READQ_SIZE; } /* Trivial set of netlink ops to allow deleting tun or tap diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index bdd83d95ec0a..96a5028621c8 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -617,8 +617,13 @@ static const struct usb_device_id mbim_devs[] = { { USB_VENDOR_AND_INTERFACE_INFO(0x0bdb, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info, }, - /* Huawei E3372 fails unless NDP comes after the IP packets */ - { USB_DEVICE_AND_INTERFACE_INFO(0x12d1, 0x157d, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), + + /* Some Huawei devices, ME906s-158 (12d1:15c1) and E3372 + * (12d1:157d), are known to fail unless the NDP is placed + * after the IP packets. Applying the quirk to all Huawei + * devices is broader than necessary, but harmless. + */ + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info_ndp_to_end, }, /* default entry */ diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index f20890ee03f3..f64778ad9753 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -269,6 +269,7 @@ struct skb_data { /* skb->cb is one of these */ struct lan78xx_net *dev; enum skb_state state; size_t length; + int num_of_packet; }; struct usb_context { @@ -1803,7 +1804,34 @@ static void lan78xx_remove_mdio(struct lan78xx_net *dev) static void lan78xx_link_status_change(struct net_device *net) { - /* nothing to do */ + struct phy_device *phydev = net->phydev; + int ret, temp; + + /* At forced 100 F/H mode, chip may fail to set mode correctly + * when cable is switched between long(~50+m) and short one. + * As workaround, set to 10 before setting to 100 + * at forced 100 F/H mode. + */ + if (!phydev->autoneg && (phydev->speed == 100)) { + /* disable phy interrupt */ + temp = phy_read(phydev, LAN88XX_INT_MASK); + temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_; + ret = phy_write(phydev, LAN88XX_INT_MASK, temp); + + temp = phy_read(phydev, MII_BMCR); + temp &= ~(BMCR_SPEED100 | BMCR_SPEED1000); + phy_write(phydev, MII_BMCR, temp); /* set to 10 first */ + temp |= BMCR_SPEED100; + phy_write(phydev, MII_BMCR, temp); /* set to 100 later */ + + /* clear pending interrupt generated while workaround */ + temp = phy_read(phydev, LAN88XX_INT_STS); + + /* enable phy interrupt back */ + temp = phy_read(phydev, LAN88XX_INT_MASK); + temp |= LAN88XX_INT_MASK_MDINTPIN_EN_; + ret = phy_write(phydev, LAN88XX_INT_MASK, temp); + } } static int lan78xx_phy_init(struct lan78xx_net *dev) @@ -2464,7 +2492,7 @@ static void tx_complete(struct urb *urb) struct lan78xx_net *dev = entry->dev; if (urb->status == 0) { - dev->net->stats.tx_packets++; + dev->net->stats.tx_packets += entry->num_of_packet; dev->net->stats.tx_bytes += entry->length; } else { dev->net->stats.tx_errors++; @@ -2681,10 +2709,11 @@ void lan78xx_skb_return(struct lan78xx_net *dev, struct sk_buff *skb) return; } - skb->protocol = eth_type_trans(skb, dev->net); dev->net->stats.rx_packets++; dev->net->stats.rx_bytes += skb->len; + skb->protocol = eth_type_trans(skb, dev->net); + netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", skb->len + sizeof(struct ethhdr), skb->protocol); memset(skb->cb, 0, sizeof(struct skb_data)); @@ -2934,13 +2963,16 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev) skb_totallen = 0; pkt_cnt = 0; + count = 0; + length = 0; for (skb = tqp->next; pkt_cnt < tqp->qlen; skb = skb->next) { if (skb_is_gso(skb)) { if (pkt_cnt) { /* handle previous packets first */ break; } - length = skb->len; + count = 1; + length = skb->len - TX_OVERHEAD; skb2 = skb_dequeue(tqp); goto gso_skb; } @@ -2961,14 +2993,13 @@ static void lan78xx_tx_bh(struct lan78xx_net *dev) for (count = pos = 0; count < pkt_cnt; count++) { skb2 = skb_dequeue(tqp); if (skb2) { + length += (skb2->len - TX_OVERHEAD); memcpy(skb->data + pos, skb2->data, skb2->len); pos += roundup(skb2->len, sizeof(u32)); dev_kfree_skb(skb2); } } - length = skb_totallen; - gso_skb: urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urb) { @@ -2980,6 +3011,7 @@ gso_skb: entry->urb = urb; entry->dev = dev; entry->length = length; + entry->num_of_packet = count; spin_lock_irqsave(&dev->txq.lock, flags); ret = usb_autopm_get_interface_async(dev->intf); diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index f84080215915..82129eef7774 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -411,7 +411,7 @@ static int enable_net_traffic(struct net_device *dev, struct usb_device *usb) int ret; read_mii_word(pegasus, pegasus->phy, MII_LPA, &linkpart); - data[0] = 0xc9; + data[0] = 0xc8; /* TX & RX enable, append status, no CRC */ data[1] = 0; if (linkpart & (ADVERTISE_100FULL | ADVERTISE_10FULL)) data[1] |= 0x20; /* set full duplex */ @@ -497,7 +497,7 @@ static void read_bulk_callback(struct urb *urb) pkt_len = buf[count - 3] << 8; pkt_len += buf[count - 4]; pkt_len &= 0xfff; - pkt_len -= 8; + pkt_len -= 4; } /* @@ -528,7 +528,7 @@ static void read_bulk_callback(struct urb *urb) goon: usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); rx_status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); if (rx_status == -ENODEV) @@ -569,7 +569,7 @@ static void rx_fixup(unsigned long data) } usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); try_again: status = usb_submit_urb(pegasus->rx_urb, GFP_ATOMIC); @@ -823,7 +823,7 @@ static int pegasus_open(struct net_device *net) usb_fill_bulk_urb(pegasus->rx_urb, pegasus->usb, usb_rcvbulkpipe(pegasus->usb, 1), - pegasus->rx_skb->data, PEGASUS_MTU + 8, + pegasus->rx_skb->data, PEGASUS_MTU, read_bulk_callback, pegasus); if ((res = usb_submit_urb(pegasus->rx_urb, GFP_KERNEL))) { if (res == -ENODEV) diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 30033dbe6662..c369db99c005 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -29,6 +29,7 @@ #include <linux/crc32.h> #include <linux/usb/usbnet.h> #include <linux/slab.h> +#include <linux/of_net.h> #include "smsc75xx.h" #define SMSC_CHIPNAME "smsc75xx" @@ -761,6 +762,15 @@ static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) static void smsc75xx_init_mac_address(struct usbnet *dev) { + const u8 *mac_addr; + + /* maybe the boot loader passed the MAC address in devicetree */ + mac_addr = of_get_mac_address(dev->udev->dev.of_node); + if (mac_addr) { + memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN); + return; + } + /* try reading mac address from EEPROM */ if (smsc75xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, dev->net->dev_addr) == 0) { @@ -772,7 +782,7 @@ static void smsc75xx_init_mac_address(struct usbnet *dev) } } - /* no eeprom, or eeprom values are invalid. generate random MAC */ + /* no useful static MAC address found. generate a random one */ eth_hw_addr_random(dev->net); netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n"); } diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 66b3ab9f614e..2edc2bc6d1b9 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -29,6 +29,7 @@ #include <linux/crc32.h> #include <linux/usb/usbnet.h> #include <linux/slab.h> +#include <linux/of_net.h> #include "smsc95xx.h" #define SMSC_CHIPNAME "smsc95xx" @@ -765,6 +766,15 @@ static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) static void smsc95xx_init_mac_address(struct usbnet *dev) { + const u8 *mac_addr; + + /* maybe the boot loader passed the MAC address in devicetree */ + mac_addr = of_get_mac_address(dev->udev->dev.of_node); + if (mac_addr) { + memcpy(dev->net->dev_addr, mac_addr, ETH_ALEN); + return; + } + /* try reading mac address from EEPROM */ if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, dev->net->dev_addr) == 0) { @@ -775,7 +785,7 @@ static void smsc95xx_init_mac_address(struct usbnet *dev) } } - /* no eeprom, or eeprom values are invalid. generate random MAC */ + /* no useful static MAC address found. generate a random one */ eth_hw_addr_random(dev->net); netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n"); } diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index b2348f67b00a..db8022ae415b 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1152,12 +1152,16 @@ vmxnet3_rx_csum(struct vmxnet3_adapter *adapter, union Vmxnet3_GenericDesc *gdesc) { if (!gdesc->rcd.cnc && adapter->netdev->features & NETIF_F_RXCSUM) { - /* typical case: TCP/UDP over IP and both csums are correct */ - if ((le32_to_cpu(gdesc->dword[3]) & VMXNET3_RCD_CSUM_OK) == - VMXNET3_RCD_CSUM_OK) { + if (gdesc->rcd.v4 && + (le32_to_cpu(gdesc->dword[3]) & + VMXNET3_RCD_CSUM_OK) == VMXNET3_RCD_CSUM_OK) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp)); + BUG_ON(gdesc->rcd.frg); + } else if (gdesc->rcd.v6 && (le32_to_cpu(gdesc->dword[3]) & + (1 << VMXNET3_RCD_TUC_SHIFT))) { skb->ip_summed = CHECKSUM_UNNECESSARY; BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp)); - BUG_ON(!(gdesc->rcd.v4 || gdesc->rcd.v6)); BUG_ON(gdesc->rcd.frg); } else { if (gdesc->rcd.csum) { diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 729c344e6774..c4825392d64b 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -69,10 +69,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.4.6.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.4.7.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01040600 +#define VMXNET3_DRIVER_VERSION_NUM 0x01040700 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 9a9fabb900c1..8a8f1e58b415 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -60,41 +60,6 @@ struct pcpu_dstats { struct u64_stats_sync syncp; }; -static struct dst_entry *vrf_ip_check(struct dst_entry *dst, u32 cookie) -{ - return dst; -} - -static int vrf_ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb) -{ - return ip_local_out(net, sk, skb); -} - -static unsigned int vrf_v4_mtu(const struct dst_entry *dst) -{ - /* TO-DO: return max ethernet size? */ - return dst->dev->mtu; -} - -static void vrf_dst_destroy(struct dst_entry *dst) -{ - /* our dst lives forever - or until the device is closed */ -} - -static unsigned int vrf_default_advmss(const struct dst_entry *dst) -{ - return 65535 - 40; -} - -static struct dst_ops vrf_dst_ops = { - .family = AF_INET, - .local_out = vrf_ip_local_out, - .check = vrf_ip_check, - .mtu = vrf_v4_mtu, - .destroy = vrf_dst_destroy, - .default_advmss = vrf_default_advmss, -}; - /* neighbor handling is done with actual device; do not want * to flip skb->dev for those ndisc packets. This really fails * for multiple next protocols (e.g., NEXTHDR_HOP). But it is @@ -349,46 +314,6 @@ static netdev_tx_t vrf_xmit(struct sk_buff *skb, struct net_device *dev) } #if IS_ENABLED(CONFIG_IPV6) -static struct dst_entry *vrf_ip6_check(struct dst_entry *dst, u32 cookie) -{ - return dst; -} - -static struct dst_ops vrf_dst_ops6 = { - .family = AF_INET6, - .local_out = ip6_local_out, - .check = vrf_ip6_check, - .mtu = vrf_v4_mtu, - .destroy = vrf_dst_destroy, - .default_advmss = vrf_default_advmss, -}; - -static int init_dst_ops6_kmem_cachep(void) -{ - vrf_dst_ops6.kmem_cachep = kmem_cache_create("vrf_ip6_dst_cache", - sizeof(struct rt6_info), - 0, - SLAB_HWCACHE_ALIGN, - NULL); - - if (!vrf_dst_ops6.kmem_cachep) - return -ENOMEM; - - return 0; -} - -static void free_dst_ops6_kmem_cachep(void) -{ - kmem_cache_destroy(vrf_dst_ops6.kmem_cachep); -} - -static int vrf_input6(struct sk_buff *skb) -{ - skb->dev->stats.rx_errors++; - kfree_skb(skb); - return 0; -} - /* modelled after ip6_finish_output2 */ static int vrf_finish_output6(struct net *net, struct sock *sk, struct sk_buff *skb) @@ -429,67 +354,34 @@ static int vrf_output6(struct net *net, struct sock *sk, struct sk_buff *skb) !(IP6CB(skb)->flags & IP6SKB_REROUTED)); } -static void vrf_rt6_destroy(struct net_vrf *vrf) +static void vrf_rt6_release(struct net_vrf *vrf) { - dst_destroy(&vrf->rt6->dst); - free_percpu(vrf->rt6->rt6i_pcpu); + dst_release(&vrf->rt6->dst); vrf->rt6 = NULL; } static int vrf_rt6_create(struct net_device *dev) { struct net_vrf *vrf = netdev_priv(dev); - struct dst_entry *dst; + struct net *net = dev_net(dev); struct rt6_info *rt6; - int cpu; int rc = -ENOMEM; - rt6 = dst_alloc(&vrf_dst_ops6, dev, 0, - DST_OBSOLETE_NONE, - (DST_HOST | DST_NOPOLICY | DST_NOXFRM)); + rt6 = ip6_dst_alloc(net, dev, + DST_HOST | DST_NOPOLICY | DST_NOXFRM | DST_NOCACHE); if (!rt6) goto out; - dst = &rt6->dst; - - rt6->rt6i_pcpu = alloc_percpu_gfp(struct rt6_info *, GFP_KERNEL); - if (!rt6->rt6i_pcpu) { - dst_destroy(dst); - goto out; - } - for_each_possible_cpu(cpu) { - struct rt6_info **p = per_cpu_ptr(rt6->rt6i_pcpu, cpu); - *p = NULL; - } - - memset(dst + 1, 0, sizeof(*rt6) - sizeof(*dst)); - - INIT_LIST_HEAD(&rt6->rt6i_siblings); - INIT_LIST_HEAD(&rt6->rt6i_uncached); - - rt6->dst.input = vrf_input6; rt6->dst.output = vrf_output6; - - rt6->rt6i_table = fib6_get_table(dev_net(dev), vrf->tb_id); - - atomic_set(&rt6->dst.__refcnt, 2); - + rt6->rt6i_table = fib6_get_table(net, vrf->tb_id); + dst_hold(&rt6->dst); vrf->rt6 = rt6; rc = 0; out: return rc; } #else -static int init_dst_ops6_kmem_cachep(void) -{ - return 0; -} - -static void free_dst_ops6_kmem_cachep(void) -{ -} - -static void vrf_rt6_destroy(struct net_vrf *vrf) +static void vrf_rt6_release(struct net_vrf *vrf) { } @@ -557,11 +449,11 @@ static int vrf_output(struct net *net, struct sock *sk, struct sk_buff *skb) !(IPCB(skb)->flags & IPSKB_REROUTED)); } -static void vrf_rtable_destroy(struct net_vrf *vrf) +static void vrf_rtable_release(struct net_vrf *vrf) { struct dst_entry *dst = (struct dst_entry *)vrf->rth; - dst_destroy(dst); + dst_release(dst); vrf->rth = NULL; } @@ -570,22 +462,10 @@ static struct rtable *vrf_rtable_create(struct net_device *dev) struct net_vrf *vrf = netdev_priv(dev); struct rtable *rth; - rth = dst_alloc(&vrf_dst_ops, dev, 2, - DST_OBSOLETE_NONE, - (DST_HOST | DST_NOPOLICY | DST_NOXFRM)); + rth = rt_dst_alloc(dev, 0, RTN_UNICAST, 1, 1, 0); if (rth) { rth->dst.output = vrf_output; - rth->rt_genid = rt_genid_ipv4(dev_net(dev)); - rth->rt_flags = 0; - rth->rt_type = RTN_UNICAST; - rth->rt_is_input = 0; - rth->rt_iif = 0; - rth->rt_pmtu = 0; - rth->rt_gateway = 0; - rth->rt_uses_gateway = 0; rth->rt_table_id = vrf->tb_id; - INIT_LIST_HEAD(&rth->rt_uncached); - rth->rt_uncached_list = NULL; } return rth; @@ -673,8 +553,8 @@ static void vrf_dev_uninit(struct net_device *dev) struct net_device *port_dev; struct list_head *iter; - vrf_rtable_destroy(vrf); - vrf_rt6_destroy(vrf); + vrf_rtable_release(vrf); + vrf_rt6_release(vrf); netdev_for_each_lower_dev(dev, port_dev, iter) vrf_del_slave(dev, port_dev); @@ -704,7 +584,7 @@ static int vrf_dev_init(struct net_device *dev) return 0; out_rth: - vrf_rtable_destroy(vrf); + vrf_rtable_release(vrf); out_stats: free_percpu(dev->dstats); dev->dstats = NULL; @@ -737,7 +617,7 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev, struct net_vrf *vrf = netdev_priv(dev); rth = vrf->rth; - atomic_inc(&rth->dst.__refcnt); + dst_hold(&rth->dst); } return rth; @@ -788,7 +668,7 @@ static struct dst_entry *vrf_get_rt6_dst(const struct net_device *dev, struct net_vrf *vrf = netdev_priv(dev); rt = vrf->rt6; - atomic_inc(&rt->dst.__refcnt); + dst_hold(&rt->dst); } return (struct dst_entry *)rt; @@ -946,19 +826,6 @@ static int __init vrf_init_module(void) { int rc; - vrf_dst_ops.kmem_cachep = - kmem_cache_create("vrf_ip_dst_cache", - sizeof(struct rtable), 0, - SLAB_HWCACHE_ALIGN, - NULL); - - if (!vrf_dst_ops.kmem_cachep) - return -ENOMEM; - - rc = init_dst_ops6_kmem_cachep(); - if (rc != 0) - goto error2; - register_netdevice_notifier(&vrf_notifier_block); rc = rtnl_link_register(&vrf_link_ops); @@ -969,22 +836,10 @@ static int __init vrf_init_module(void) error: unregister_netdevice_notifier(&vrf_notifier_block); - free_dst_ops6_kmem_cachep(); -error2: - kmem_cache_destroy(vrf_dst_ops.kmem_cachep); return rc; } -static void __exit vrf_cleanup_module(void) -{ - rtnl_link_unregister(&vrf_link_ops); - unregister_netdevice_notifier(&vrf_notifier_block); - kmem_cache_destroy(vrf_dst_ops.kmem_cachep); - free_dst_ops6_kmem_cachep(); -} - module_init(vrf_init_module); -module_exit(vrf_cleanup_module); MODULE_AUTHOR("Shrijeet Mukherjee, David Ahern"); MODULE_DESCRIPTION("Device driver to instantiate VRF domains"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index 8f8793004b9f..1b271b99c49e 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -274,6 +274,9 @@ void ar5008_hw_cmn_spur_mitigate(struct ath_hw *ah, }; static const int inc[4] = { 0, 100, 0, 0 }; + memset(&mask_m, 0, sizeof(int8_t) * 123); + memset(&mask_p, 0, sizeof(int8_t) * 123); + cur_bin = -6000; upper = bin + 100; lower = bin - 100; @@ -424,14 +427,9 @@ static void ar5008_hw_spur_mitigate(struct ath_hw *ah, int tmp, new; int i; - int8_t mask_m[123]; - int8_t mask_p[123]; int cur_bb_spur; bool is2GHz = IS_CHAN_2GHZ(chan); - memset(&mask_m, 0, sizeof(int8_t) * 123); - memset(&mask_p, 0, sizeof(int8_t) * 123); - for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { cur_bb_spur = ah->eep_ops->get_spur_channel(ah, i, is2GHz); if (AR_NO_SPUR == cur_bb_spur) diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index db6624527d99..53d7445a5d12 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -178,14 +178,9 @@ static void ar9002_hw_spur_mitigate(struct ath_hw *ah, int i; struct chan_centers centers; - int8_t mask_m[123]; - int8_t mask_p[123]; int cur_bb_spur; bool is2GHz = IS_CHAN_2GHZ(chan); - memset(&mask_m, 0, sizeof(int8_t) * 123); - memset(&mask_p, 0, sizeof(int8_t) * 123); - ath9k_hw_get_channel_centers(ah, chan, ¢ers); freq = centers.synth_center; diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c index 72380af9dc52..b0603e796ad8 100644 --- a/drivers/net/wireless/broadcom/b43/main.c +++ b/drivers/net/wireless/broadcom/b43/main.c @@ -5680,11 +5680,12 @@ static int b43_bcma_probe(struct bcma_device *core) INIT_WORK(&wl->firmware_load, b43_request_firmware); schedule_work(&wl->firmware_load); -bcma_out: return err; bcma_err_wireless_exit: ieee80211_free_hw(wl->hw); +bcma_out: + kfree(dev); return err; } @@ -5712,8 +5713,8 @@ static void b43_bcma_remove(struct bcma_device *core) b43_rng_exit(wl); b43_leds_unregister(wl); - ieee80211_free_hw(wl->hw); + kfree(wldev->dev); } static struct bcma_driver b43_bcma_driver = { @@ -5796,6 +5797,7 @@ static void b43_ssb_remove(struct ssb_device *sdev) b43_leds_unregister(wl); b43_wireless_exit(dev, wl); + kfree(dev); } static struct ssb_driver b43_ssb_driver = { diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c index 97be104d1203..b5c57eebf995 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c @@ -93,7 +93,7 @@ #define IWL8260_SMEM_OFFSET 0x400000 #define IWL8260_SMEM_LEN 0x68000 -#define IWL8000_FW_PRE "iwlwifi-8000" +#define IWL8000_FW_PRE "iwlwifi-8000C-" #define IWL8000_MODULE_FIRMWARE(api) \ IWL8000_FW_PRE "-" __stringify(api) ".ucode" diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index f899666acb41..9e45bf9c6071 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -238,19 +238,6 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first) snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode", name_pre, tag); - /* - * Starting 8000B - FW name format has changed. This overwrites the - * previous name and uses the new format. - */ - if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) { - char rev_step = 'A' + CSR_HW_REV_STEP(drv->trans->hw_rev); - - if (rev_step != 'A') - snprintf(drv->firmware_name, - sizeof(drv->firmware_name), "%s%c-%s.ucode", - name_pre, rev_step, tag); - } - IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n", (drv->fw_index == UCODE_EXPERIMENTAL_INDEX) ? "EXPERIMENTAL " : "", @@ -1060,11 +1047,18 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, return -EINVAL; } - if (WARN(fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && - !gscan_capa, - "GSCAN is supported but capabilities TLV is unavailable\n")) + /* + * If ucode advertises that it supports GSCAN but GSCAN + * capabilities TLV is not present, or if it has an old format, + * warn and continue without GSCAN. + */ + if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && + !gscan_capa) { + IWL_DEBUG_INFO(drv, + "GSCAN is supported but capabilities TLV is unavailable\n"); __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, capa->_capa); + } return 0; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c index 4856eac120f6..6938cd37be57 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c @@ -526,7 +526,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; /* Make room for fw's virtual image pages, if it exists */ - if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size && + mvm->fw_paging_db[0].fw_paging_block) file_len += mvm->num_of_paging_blk * (sizeof(*dump_data) + sizeof(struct iwl_fw_error_dump_paging) + @@ -643,7 +644,8 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) } /* Dump fw's virtual image */ - if (mvm->fw->img[mvm->cur_ucode].paging_mem_size) { + if (mvm->fw->img[mvm->cur_ucode].paging_mem_size && + mvm->fw_paging_db[0].fw_paging_block) { for (i = 1; i < mvm->num_of_paging_blk + 1; i++) { struct iwl_fw_error_dump_paging *paging; struct page *pages = diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 594cd0dc7df9..09d895fafaf2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -144,9 +144,11 @@ void iwl_free_fw_paging(struct iwl_mvm *mvm) __free_pages(mvm->fw_paging_db[i].fw_paging_block, get_order(mvm->fw_paging_db[i].fw_paging_size)); + mvm->fw_paging_db[i].fw_paging_block = NULL; } kfree(mvm->trans->paging_download_buf); mvm->trans->paging_download_buf = NULL; + mvm->trans->paging_db = NULL; memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db)); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 76e649c680a1..a50f4df7eae7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1147,6 +1147,8 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm) /* the fw is stopped, the aux sta is dead: clean up driver state */ iwl_mvm_del_aux_sta(mvm); + iwl_free_fw_paging(mvm); + /* * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete() * won't be called in this case). diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 5e8ab796d5bc..d278399097dc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -761,8 +761,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) kfree(mvm->nvm_sections[i].data); - iwl_free_fw_paging(mvm); - iwl_mvm_tof_clean(mvm); ieee80211_free_hw(mvm->hw); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 05b968506836..79d7cd7d461e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -479,8 +479,18 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0000, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x1110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x1010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0050, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x0150, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x9010, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8050, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x8010, iwl8265_2ac_cfg)}, {IWL_PCI_DEVICE(0x24FD, 0x0810, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x9110, iwl8265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24FD, 0x8130, iwl8265_2ac_cfg)}, /* 9000 Series */ {IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)}, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index eb39c7e09781..b2b79354d5c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -732,8 +732,8 @@ static int iwl_pcie_rsa_race_bug_wa(struct iwl_trans *trans) */ val = iwl_read_prph(trans, PREG_AUX_BUS_WPROT_0); if (val & (BIT(1) | BIT(17))) { - IWL_INFO(trans, - "can't access the RSA semaphore it is write protected\n"); + IWL_DEBUG_INFO(trans, + "can't access the RSA semaphore it is write protected\n"); return 0; } diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c index 95dcbff4673b..6a8245c4ea48 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/dm.c @@ -2488,9 +2488,9 @@ void rtl8821ae_dm_txpower_tracking_callback_thermalmeter( for (p = RF90_PATH_A; p < MAX_PATH_NUM_8821A; p++) rtldm->swing_idx_ofdm_base[p] = rtldm->swing_idx_ofdm[p]; - RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, - "pDM_Odm->RFCalibrateInfo.ThermalValue = %d ThermalValue= %d\n", - rtldm->thermalvalue, thermal_value); + RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, + "pDM_Odm->RFCalibrateInfo.ThermalValue = %d ThermalValue= %d\n", + rtldm->thermalvalue, thermal_value); /*Record last Power Tracking Thermal Value*/ rtldm->thermalvalue = thermal_value; } diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index c32cbb593600..f068b6513cd2 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1204,7 +1204,7 @@ static int btt_rw_page(struct block_device *bdev, sector_t sector, { struct btt *btt = bdev->bd_disk->private_data; - btt_do_bvec(btt, NULL, page, PAGE_CACHE_SIZE, 0, rw, sector); + btt_do_bvec(btt, NULL, page, PAGE_SIZE, 0, rw, sector); page_endio(page, rw & WRITE, 0); return 0; } diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index fc82743aefb6..19f822d7f652 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -407,7 +407,7 @@ static const struct nd_cmd_desc __nd_cmd_dimm_descs[] = { [ND_CMD_IMPLEMENTED] = { }, [ND_CMD_SMART] = { .out_num = 2, - .out_sizes = { 4, 8, }, + .out_sizes = { 4, 128, }, }, [ND_CMD_SMART_THRESHOLD] = { .out_num = 2, diff --git a/drivers/nvdimm/core.c b/drivers/nvdimm/core.c index 79646d0c3277..182a93fe3712 100644 --- a/drivers/nvdimm/core.c +++ b/drivers/nvdimm/core.c @@ -417,8 +417,8 @@ static void __add_badblock_range(struct badblocks *bb, u64 ns_offset, u64 len) set_badblock(bb, start_sector, num_sectors); } -static void namespace_add_poison(struct list_head *poison_list, - struct badblocks *bb, struct resource *res) +static void badblocks_populate(struct list_head *poison_list, + struct badblocks *bb, const struct resource *res) { struct nd_poison *pl; @@ -460,36 +460,35 @@ static void namespace_add_poison(struct list_head *poison_list, } /** - * nvdimm_namespace_add_poison() - Convert a list of poison ranges to badblocks - * @ndns: the namespace containing poison ranges - * @bb: badblocks instance to populate - * @offset: offset at the start of the namespace before 'sector 0' + * nvdimm_badblocks_populate() - Convert a list of poison ranges to badblocks + * @region: parent region of the range to interrogate + * @bb: badblocks instance to populate + * @res: resource range to consider * - * The poison list generated during NFIT initialization may contain multiple, - * possibly overlapping ranges in the SPA (System Physical Address) space. - * Compare each of these ranges to the namespace currently being initialized, - * and add badblocks to the gendisk for all matching sub-ranges + * The poison list generated during bus initialization may contain + * multiple, possibly overlapping physical address ranges. Compare each + * of these ranges to the resource range currently being initialized, + * and add badblocks entries for all matching sub-ranges */ -void nvdimm_namespace_add_poison(struct nd_namespace_common *ndns, - struct badblocks *bb, resource_size_t offset) +void nvdimm_badblocks_populate(struct nd_region *nd_region, + struct badblocks *bb, const struct resource *res) { - struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); - struct nd_region *nd_region = to_nd_region(ndns->dev.parent); struct nvdimm_bus *nvdimm_bus; struct list_head *poison_list; - struct resource res = { - .start = nsio->res.start + offset, - .end = nsio->res.end, - }; - nvdimm_bus = to_nvdimm_bus(nd_region->dev.parent); + if (!is_nd_pmem(&nd_region->dev)) { + dev_WARN_ONCE(&nd_region->dev, 1, + "%s only valid for pmem regions\n", __func__); + return; + } + nvdimm_bus = walk_to_nvdimm_bus(&nd_region->dev); poison_list = &nvdimm_bus->poison_list; nvdimm_bus_lock(&nvdimm_bus->dev); - namespace_add_poison(poison_list, bb, &res); + badblocks_populate(poison_list, bb, res); nvdimm_bus_unlock(&nvdimm_bus->dev); } -EXPORT_SYMBOL_GPL(nvdimm_namespace_add_poison); +EXPORT_SYMBOL_GPL(nvdimm_badblocks_populate); static int add_poison(struct nvdimm_bus *nvdimm_bus, u64 addr, u64 length) { diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index 1799bd97a9ce..875c524fafb0 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -266,8 +266,8 @@ int nvdimm_namespace_attach_btt(struct nd_namespace_common *ndns); int nvdimm_namespace_detach_btt(struct nd_namespace_common *ndns); const char *nvdimm_namespace_disk_name(struct nd_namespace_common *ndns, char *name); -void nvdimm_namespace_add_poison(struct nd_namespace_common *ndns, - struct badblocks *bb, resource_size_t offset); +void nvdimm_badblocks_populate(struct nd_region *nd_region, + struct badblocks *bb, const struct resource *res); int nd_blk_region_init(struct nd_region *nd_region); void __nd_iostat_start(struct bio *bio, unsigned long *start); static inline bool nd_iostat_start(struct bio *bio, unsigned long *start) diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index 254d3bc13f70..e071e214feba 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -376,7 +376,7 @@ int nd_pfn_validate(struct nd_pfn *nd_pfn) } else { /* from init we validate */ if (memcmp(nd_pfn->uuid, pfn_sb->uuid, 16) != 0) - return -EINVAL; + return -ENODEV; } if (nd_pfn->align > nvdimm_namespace_capacity(ndns)) { diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index cc31c6f1f88e..5101f3ab4f29 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -103,6 +103,20 @@ static int pmem_do_bvec(struct pmem_device *pmem, struct page *page, flush_dcache_page(page); } } else { + /* + * Note that we write the data both before and after + * clearing poison. The write before clear poison + * handles situations where the latest written data is + * preserved and the clear poison operation simply marks + * the address range as valid without changing the data. + * In this case application software can assume that an + * interrupted write will either return the new good + * data or an error. + * + * However, if pmem_clear_poison() leaves the data in an + * indeterminate state we need to perform the write + * after clear poison. + */ flush_dcache_page(page); memcpy_to_pmem(pmem_addr, mem + off, len); if (unlikely(bad_pmem)) { @@ -151,7 +165,7 @@ static int pmem_rw_page(struct block_device *bdev, sector_t sector, struct pmem_device *pmem = bdev->bd_disk->private_data; int rc; - rc = pmem_do_bvec(pmem, page, PAGE_CACHE_SIZE, 0, rw, sector); + rc = pmem_do_bvec(pmem, page, PAGE_SIZE, 0, rw, sector); if (rw & WRITE) wmb_pmem(); @@ -244,7 +258,9 @@ static void pmem_detach_disk(struct pmem_device *pmem) static int pmem_attach_disk(struct device *dev, struct nd_namespace_common *ndns, struct pmem_device *pmem) { + struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); int nid = dev_to_node(dev); + struct resource bb_res; struct gendisk *disk; blk_queue_make_request(pmem->pmem_queue, pmem_make_request); @@ -271,8 +287,17 @@ static int pmem_attach_disk(struct device *dev, devm_exit_badblocks(dev, &pmem->bb); if (devm_init_badblocks(dev, &pmem->bb)) return -ENOMEM; - nvdimm_namespace_add_poison(ndns, &pmem->bb, pmem->data_offset); - + bb_res.start = nsio->res.start + pmem->data_offset; + bb_res.end = nsio->res.end; + if (is_nd_pfn(dev)) { + struct nd_pfn *nd_pfn = to_nd_pfn(dev); + struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb; + + bb_res.start += __le32_to_cpu(pfn_sb->start_pad); + bb_res.end -= __le32_to_cpu(pfn_sb->end_trunc); + } + nvdimm_badblocks_populate(to_nd_region(dev->parent), &pmem->bb, + &bb_res); disk->bb = &pmem->bb; add_disk(disk); revalidate_disk(disk); @@ -372,10 +397,17 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) */ start += start_pad; npfns = (pmem->size - start_pad - end_trunc - SZ_8K) / SZ_4K; - if (nd_pfn->mode == PFN_MODE_PMEM) - offset = ALIGN(start + SZ_8K + 64 * npfns, nd_pfn->align) + if (nd_pfn->mode == PFN_MODE_PMEM) { + unsigned long memmap_size; + + /* + * vmemmap_populate_hugepages() allocates the memmap array in + * HPAGE_SIZE chunks. + */ + memmap_size = ALIGN(64 * npfns, HPAGE_SIZE); + offset = ALIGN(start + SZ_8K + memmap_size, nd_pfn->align) - start; - else if (nd_pfn->mode == PFN_MODE_RAM) + } else if (nd_pfn->mode == PFN_MODE_RAM) offset = ALIGN(start + SZ_8K, nd_pfn->align) - start; else goto err; @@ -553,7 +585,7 @@ static int nd_pmem_probe(struct device *dev) ndns->rw_bytes = pmem_rw_bytes; if (devm_init_badblocks(dev, &pmem->bb)) return -ENOMEM; - nvdimm_namespace_add_poison(ndns, &pmem->bb, 0); + nvdimm_badblocks_populate(nd_region, &pmem->bb, &nsio->res); if (is_nd_btt(dev)) { /* btt allocates its own request_queue */ @@ -595,14 +627,25 @@ static void nd_pmem_notify(struct device *dev, enum nvdimm_event event) { struct pmem_device *pmem = dev_get_drvdata(dev); struct nd_namespace_common *ndns = pmem->ndns; + struct nd_region *nd_region = to_nd_region(dev->parent); + struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); + struct resource res = { + .start = nsio->res.start + pmem->data_offset, + .end = nsio->res.end, + }; if (event != NVDIMM_REVALIDATE_POISON) return; - if (is_nd_btt(dev)) - nvdimm_namespace_add_poison(ndns, &pmem->bb, 0); - else - nvdimm_namespace_add_poison(ndns, &pmem->bb, pmem->data_offset); + if (is_nd_pfn(dev)) { + struct nd_pfn *nd_pfn = to_nd_pfn(dev); + struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb; + + res.start += __le32_to_cpu(pfn_sb->start_pad); + res.end -= __le32_to_cpu(pfn_sb->end_trunc); + } + + nvdimm_badblocks_populate(nd_region, &pmem->bb, &res); } MODULE_ALIAS("pmem"); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 24ccda303efb..4fd733ff72b1 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1478,8 +1478,7 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) if (result > 0) { dev_err(dev->ctrl.device, "Could not set queue count (%d)\n", result); - nr_io_queues = 0; - result = 0; + return 0; } if (dev->cmb && NVME_CMB_SQS(dev->cmbsz)) { @@ -1513,7 +1512,9 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) * If we enable msix early due to not intx, disable it again before * setting up the full range we need. */ - if (!pdev->irq) + if (pdev->msi_enabled) + pci_disable_msi(pdev); + else if (pdev->msix_enabled) pci_disable_msix(pdev); for (i = 0; i < nr_io_queues; i++) @@ -1696,7 +1697,6 @@ static int nvme_pci_enable(struct nvme_dev *dev) if (pci_enable_device_mem(pdev)) return result; - dev->entry[0].vector = pdev->irq; pci_set_master(pdev); if (dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(64)) && @@ -1709,13 +1709,18 @@ static int nvme_pci_enable(struct nvme_dev *dev) } /* - * Some devices don't advertse INTx interrupts, pre-enable a single - * MSIX vec for setup. We'll adjust this later. + * Some devices and/or platforms don't advertise or work with INTx + * interrupts. Pre-enable a single MSIX or MSI vec for setup. We'll + * adjust this later. */ - if (!pdev->irq) { - result = pci_enable_msix(pdev, dev->entry, 1); - if (result < 0) - goto disable; + if (pci_enable_msix(pdev, dev->entry, 1)) { + pci_enable_msi(pdev); + dev->entry[0].vector = pdev->irq; + } + + if (!dev->entry[0].vector) { + result = -ENODEV; + goto disable; } cap = lo_hi_readq(dev->bar + NVME_REG_CAP); @@ -1859,6 +1864,9 @@ static void nvme_reset_work(struct work_struct *work) if (dev->ctrl.ctrl_config & NVME_CC_ENABLE) nvme_dev_disable(dev, false); + if (test_bit(NVME_CTRL_REMOVING, &dev->flags)) + goto out; + set_bit(NVME_CTRL_RESETTING, &dev->flags); result = nvme_pci_enable(dev); @@ -2078,11 +2086,10 @@ static void nvme_remove(struct pci_dev *pdev) { struct nvme_dev *dev = pci_get_drvdata(pdev); - del_timer_sync(&dev->watchdog_timer); - set_bit(NVME_CTRL_REMOVING, &dev->flags); pci_set_drvdata(pdev, NULL); flush_work(&dev->async_work); + flush_work(&dev->reset_work); flush_work(&dev->scan_work); nvme_remove_namespaces(&dev->ctrl); nvme_uninit_ctrl(&dev->ctrl); diff --git a/drivers/nvmem/mxs-ocotp.c b/drivers/nvmem/mxs-ocotp.c index 8ba19bba3156..2bb3c5799ac4 100644 --- a/drivers/nvmem/mxs-ocotp.c +++ b/drivers/nvmem/mxs-ocotp.c @@ -94,7 +94,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size, if (ret) goto close_banks; - while (val_size) { + while (val_size >= reg_size) { if ((offset < OCOTP_DATA_OFFSET) || (offset % 16)) { /* fill up non-data register */ *buf = 0; @@ -103,7 +103,7 @@ static int mxs_ocotp_read(void *context, const void *reg, size_t reg_size, } buf++; - val_size--; + val_size -= reg_size; offset += reg_size; } diff --git a/drivers/of/device.c b/drivers/of/device.c index e5f47cec75f3..fd5cfad7c403 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -88,7 +88,7 @@ void of_dma_configure(struct device *dev, struct device_node *np) int ret; bool coherent; unsigned long offset; - struct iommu_ops *iommu; + const struct iommu_ops *iommu; /* * Set default coherent_dma_mask to 32 bit. Drivers are expected to diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index b48ac6300c79..a0e5260bd006 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -239,8 +239,8 @@ static int oprofilefs_fill_super(struct super_block *sb, void *data, int silent) { struct inode *root_inode; - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; + sb->s_blocksize = PAGE_SIZE; + sb->s_blocksize_bits = PAGE_SHIFT; sb->s_magic = OPROFILEFS_MAGIC; sb->s_op = &s_ops; sb->s_time_gran = 1; diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 01b9d0a00abc..d11cdbb8fba3 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -275,6 +275,19 @@ ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void } EXPORT_SYMBOL(pci_write_vpd); +/** + * pci_set_vpd_size - Set size of Vital Product Data space + * @dev: pci device struct + * @len: size of vpd space + */ +int pci_set_vpd_size(struct pci_dev *dev, size_t len) +{ + if (!dev->vpd || !dev->vpd->ops) + return -ENODEV; + return dev->vpd->ops->set_size(dev, len); +} +EXPORT_SYMBOL(pci_set_vpd_size); + #define PCI_VPD_MAX_SIZE (PCI_VPD_ADDR_MASK + 1) /** @@ -498,9 +511,23 @@ out: return ret ? ret : count; } +static int pci_vpd_set_size(struct pci_dev *dev, size_t len) +{ + struct pci_vpd *vpd = dev->vpd; + + if (len == 0 || len > PCI_VPD_MAX_SIZE) + return -EIO; + + vpd->valid = 1; + vpd->len = len; + + return 0; +} + static const struct pci_vpd_ops pci_vpd_ops = { .read = pci_vpd_read, .write = pci_vpd_write, + .set_size = pci_vpd_set_size, }; static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count, @@ -533,9 +560,24 @@ static ssize_t pci_vpd_f0_write(struct pci_dev *dev, loff_t pos, size_t count, return ret; } +static int pci_vpd_f0_set_size(struct pci_dev *dev, size_t len) +{ + struct pci_dev *tdev = pci_get_slot(dev->bus, + PCI_DEVFN(PCI_SLOT(dev->devfn), 0)); + int ret; + + if (!tdev) + return -ENODEV; + + ret = pci_set_vpd_size(tdev, len); + pci_dev_put(tdev); + return ret; +} + static const struct pci_vpd_ops pci_vpd_f0_ops = { .read = pci_vpd_f0_read, .write = pci_vpd_f0_write, + .set_size = pci_vpd_f0_set_size, }; int pci_vpd_init(struct pci_dev *dev) diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c index eb5a2755a164..2f817fa4c661 100644 --- a/drivers/pci/host/pci-imx6.c +++ b/drivers/pci/host/pci-imx6.c @@ -32,7 +32,7 @@ #define to_imx6_pcie(x) container_of(x, struct imx6_pcie, pp) struct imx6_pcie { - struct gpio_desc *reset_gpio; + int reset_gpio; struct clk *pcie_bus; struct clk *pcie_phy; struct clk *pcie; @@ -309,10 +309,10 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp) usleep_range(200, 500); /* Some boards don't have PCIe reset GPIO. */ - if (imx6_pcie->reset_gpio) { - gpiod_set_value_cansleep(imx6_pcie->reset_gpio, 0); + if (gpio_is_valid(imx6_pcie->reset_gpio)) { + gpio_set_value_cansleep(imx6_pcie->reset_gpio, 0); msleep(100); - gpiod_set_value_cansleep(imx6_pcie->reset_gpio, 1); + gpio_set_value_cansleep(imx6_pcie->reset_gpio, 1); } return 0; @@ -523,6 +523,7 @@ static int __init imx6_pcie_probe(struct platform_device *pdev) { struct imx6_pcie *imx6_pcie; struct pcie_port *pp; + struct device_node *np = pdev->dev.of_node; struct resource *dbi_base; struct device_node *node = pdev->dev.of_node; int ret; @@ -544,8 +545,15 @@ static int __init imx6_pcie_probe(struct platform_device *pdev) return PTR_ERR(pp->dbi_base); /* Fetch GPIOs */ - imx6_pcie->reset_gpio = devm_gpiod_get_optional(&pdev->dev, "reset", - GPIOD_OUT_LOW); + imx6_pcie->reset_gpio = of_get_named_gpio(np, "reset-gpio", 0); + if (gpio_is_valid(imx6_pcie->reset_gpio)) { + ret = devm_gpio_request_one(&pdev->dev, imx6_pcie->reset_gpio, + GPIOF_OUT_INIT_LOW, "PCIe reset"); + if (ret) { + dev_err(&pdev->dev, "unable to get reset gpio\n"); + return ret; + } + } /* Fetch clocks */ imx6_pcie->pcie_phy = devm_clk_get(&pdev->dev, "pcie_phy"); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index e982010f0ed1..342b6918bbde 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -636,7 +636,7 @@ static ssize_t pci_read_config(struct file *filp, struct kobject *kobj, u8 *data = (u8 *) buf; /* Several chips lock up trying to read undefined config space */ - if (security_capable(filp->f_cred, &init_user_ns, CAP_SYS_ADMIN) == 0) + if (file_ns_capable(filp, &init_user_ns, CAP_SYS_ADMIN)) size = dev->cfg_size; else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) size = 128; diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index d0fb93481573..a814bbb80fcb 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -97,6 +97,7 @@ static inline bool pci_has_subordinate(struct pci_dev *pci_dev) struct pci_vpd_ops { ssize_t (*read)(struct pci_dev *dev, loff_t pos, size_t count, void *buf); ssize_t (*write)(struct pci_dev *dev, loff_t pos, size_t count, const void *buf); + int (*set_size)(struct pci_dev *dev, size_t len); }; struct pci_vpd { diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c index 4c2fa05b4589..944674ee3464 100644 --- a/drivers/pcmcia/db1xxx_ss.c +++ b/drivers/pcmcia/db1xxx_ss.c @@ -56,6 +56,7 @@ struct db1x_pcmcia_sock { int stschg_irq; /* card-status-change irq */ int card_irq; /* card irq */ int eject_irq; /* db1200/pb1200 have these */ + int insert_gpio; /* db1000 carddetect gpio */ #define BOARD_TYPE_DEFAULT 0 /* most boards */ #define BOARD_TYPE_DB1200 1 /* IRQs aren't gpios */ @@ -83,7 +84,7 @@ static int db1200_card_inserted(struct db1x_pcmcia_sock *sock) /* carddetect gpio: low-active */ static int db1000_card_inserted(struct db1x_pcmcia_sock *sock) { - return !gpio_get_value(irq_to_gpio(sock->insert_irq)); + return !gpio_get_value(sock->insert_gpio); } static int db1x_card_inserted(struct db1x_pcmcia_sock *sock) @@ -457,9 +458,15 @@ static int db1x_pcmcia_socket_probe(struct platform_device *pdev) r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "card"); sock->card_irq = r ? r->start : 0; - /* insert: irq which triggers on card insertion/ejection */ + /* insert: irq which triggers on card insertion/ejection + * BIG FAT NOTE: on DB1000/1100/1500/1550 we pass a GPIO here! + */ r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "insert"); sock->insert_irq = r ? r->start : -1; + if (sock->board_type == BOARD_TYPE_DEFAULT) { + sock->insert_gpio = r ? r->start : -1; + sock->insert_irq = r ? gpio_to_irq(r->start) : -1; + } /* stschg: irq which trigger on card status change (optional) */ r = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "stschg"); diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index 32346b5a8a11..f70090897fdf 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -737,8 +737,19 @@ static void cpu_pm_pmu_setup(struct arm_pmu *armpmu, unsigned long cmd) break; case CPU_PM_EXIT: case CPU_PM_ENTER_FAILED: - /* Restore and enable the counter */ - armpmu_start(event, PERF_EF_RELOAD); + /* + * Restore and enable the counter. + * armpmu_start() indirectly calls + * + * perf_event_update_userpage() + * + * that requires RCU read locking to be functional, + * wrap the call within RCU_NONIDLE to make the + * RCU subsystem aware this cpu is not idle from + * an RCU perspective for the armpmu_start() call + * duration. + */ + RCU_NONIDLE(armpmu_start(event, PERF_EF_RELOAD)); break; default: break; diff --git a/drivers/phy/phy-rockchip-dp.c b/drivers/phy/phy-rockchip-dp.c index 77e2d02e6bee..793ecb6d87bc 100644 --- a/drivers/phy/phy-rockchip-dp.c +++ b/drivers/phy/phy-rockchip-dp.c @@ -86,6 +86,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev) if (!np) return -ENODEV; + if (!dev->parent || !dev->parent->of_node) + return -ENODEV; + dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL); if (IS_ERR(dp)) return -ENOMEM; @@ -104,9 +107,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev) return ret; } - dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); + dp->grf = syscon_node_to_regmap(dev->parent->of_node); if (IS_ERR(dp->grf)) { - dev_err(dev, "rk3288-dp needs rockchip,grf property\n"); + dev_err(dev, "rk3288-dp needs the General Register Files syscon\n"); return PTR_ERR(dp->grf); } diff --git a/drivers/phy/phy-rockchip-emmc.c b/drivers/phy/phy-rockchip-emmc.c index 887b4c27195f..6ebcf3e41c46 100644 --- a/drivers/phy/phy-rockchip-emmc.c +++ b/drivers/phy/phy-rockchip-emmc.c @@ -176,7 +176,10 @@ static int rockchip_emmc_phy_probe(struct platform_device *pdev) struct regmap *grf; unsigned int reg_offset; - grf = syscon_regmap_lookup_by_phandle(dev->of_node, "rockchip,grf"); + if (!dev->parent || !dev->parent->of_node) + return -ENODEV; + + grf = syscon_node_to_regmap(dev->parent->of_node); if (IS_ERR(grf)) { dev_err(dev, "Missing rockchip,grf property\n"); return PTR_ERR(grf); diff --git a/drivers/pinctrl/freescale/Kconfig b/drivers/pinctrl/freescale/Kconfig index debe1219d76d..fc8cbf611723 100644 --- a/drivers/pinctrl/freescale/Kconfig +++ b/drivers/pinctrl/freescale/Kconfig @@ -2,6 +2,7 @@ config PINCTRL_IMX bool select PINMUX select PINCONF + select REGMAP config PINCTRL_IMX1_CORE bool diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 46210512d8ec..9cfa544072b5 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -762,19 +762,18 @@ int imx_pinctrl_probe(struct platform_device *pdev, if (of_property_read_bool(dev_np, "fsl,input-sel")) { np = of_parse_phandle(dev_np, "fsl,input-sel", 0); - if (np) { - ipctl->input_sel_base = of_iomap(np, 0); - if (IS_ERR(ipctl->input_sel_base)) { - of_node_put(np); - dev_err(&pdev->dev, - "iomuxc input select base address not found\n"); - return PTR_ERR(ipctl->input_sel_base); - } - } else { + if (!np) { dev_err(&pdev->dev, "iomuxc fsl,input-sel property not found\n"); return -EINVAL; } + + ipctl->input_sel_base = of_iomap(np, 0); of_node_put(np); + if (!ipctl->input_sel_base) { + dev_err(&pdev->dev, + "iomuxc input select base address not found\n"); + return -ENOMEM; + } } imx_pinctrl_desc.name = dev_name(&pdev->dev); diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 85536b467c25..6c2c816f8e5f 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -665,6 +665,35 @@ static void intel_gpio_irq_ack(struct irq_data *d) spin_unlock(&pctrl->lock); } +static void intel_gpio_irq_enable(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct intel_pinctrl *pctrl = gpiochip_get_data(gc); + const struct intel_community *community; + unsigned pin = irqd_to_hwirq(d); + unsigned long flags; + + spin_lock_irqsave(&pctrl->lock, flags); + + community = intel_get_community(pctrl, pin); + if (community) { + unsigned padno = pin_to_padno(community, pin); + unsigned gpp_size = community->gpp_size; + unsigned gpp_offset = padno % gpp_size; + unsigned gpp = padno / gpp_size; + u32 value; + + /* Clear interrupt status first to avoid unexpected interrupt */ + writel(BIT(gpp_offset), community->regs + GPI_IS + gpp * 4); + + value = readl(community->regs + community->ie_offset + gpp * 4); + value |= BIT(gpp_offset); + writel(value, community->regs + community->ie_offset + gpp * 4); + } + + spin_unlock_irqrestore(&pctrl->lock, flags); +} + static void intel_gpio_irq_mask_unmask(struct irq_data *d, bool mask) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); @@ -741,8 +770,9 @@ static int intel_gpio_irq_type(struct irq_data *d, unsigned type) value |= PADCFG0_RXINV; } else if (type & IRQ_TYPE_EDGE_RISING) { value |= PADCFG0_RXEVCFG_EDGE << PADCFG0_RXEVCFG_SHIFT; - } else if (type & IRQ_TYPE_LEVEL_LOW) { - value |= PADCFG0_RXINV; + } else if (type & IRQ_TYPE_LEVEL_MASK) { + if (type & IRQ_TYPE_LEVEL_LOW) + value |= PADCFG0_RXINV; } else { value |= PADCFG0_RXEVCFG_DISABLED << PADCFG0_RXEVCFG_SHIFT; } @@ -852,6 +882,7 @@ static irqreturn_t intel_gpio_irq(int irq, void *data) static struct irq_chip intel_gpio_irqchip = { .name = "intel-gpio", + .irq_enable = intel_gpio_irq_enable, .irq_ack = intel_gpio_irq_ack, .irq_mask = intel_gpio_irq_mask, .irq_unmask = intel_gpio_irq_unmask, diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c index 2bbe6f7964a7..6ab8c3ccdeea 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -1004,7 +1004,8 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, struct mtk_pinctrl *pctl = dev_get_drvdata(chip->parent); int eint_num, virq, eint_offset; unsigned int set_offset, bit, clr_bit, clr_offset, rst, i, unmask, dbnc; - static const unsigned int dbnc_arr[] = {0 , 1, 16, 32, 64, 128, 256}; + static const unsigned int debounce_time[] = {500, 1000, 16000, 32000, 64000, + 128000, 256000}; const struct mtk_desc_pin *pin; struct irq_data *d; @@ -1022,9 +1023,9 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, if (!mtk_eint_can_en_debounce(pctl, eint_num)) return -ENOSYS; - dbnc = ARRAY_SIZE(dbnc_arr); - for (i = 0; i < ARRAY_SIZE(dbnc_arr); i++) { - if (debounce <= dbnc_arr[i]) { + dbnc = ARRAY_SIZE(debounce_time); + for (i = 0; i < ARRAY_SIZE(debounce_time); i++) { + if (debounce <= debounce_time[i]) { dbnc = i; break; } diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.c b/drivers/pinctrl/nomadik/pinctrl-nomadik.c index 352406108fa0..c8969dd49449 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.c @@ -990,7 +990,7 @@ static void nmk_gpio_dbg_show_one(struct seq_file *s, int val; if (pull) - pullidx = data_out ? 1 : 2; + pullidx = data_out ? 2 : 1; seq_printf(s, " gpio-%-3d (%-20.20s) in %s %s", gpio, diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c index 856f736cb1a6..2673cd9d106e 100644 --- a/drivers/pinctrl/pinctrl-pistachio.c +++ b/drivers/pinctrl/pinctrl-pistachio.c @@ -469,27 +469,27 @@ static const char * const pistachio_mips_pll_lock_groups[] = { "mfio83", }; -static const char * const pistachio_sys_pll_lock_groups[] = { +static const char * const pistachio_audio_pll_lock_groups[] = { "mfio84", }; -static const char * const pistachio_wifi_pll_lock_groups[] = { +static const char * const pistachio_rpu_v_pll_lock_groups[] = { "mfio85", }; -static const char * const pistachio_bt_pll_lock_groups[] = { +static const char * const pistachio_rpu_l_pll_lock_groups[] = { "mfio86", }; -static const char * const pistachio_rpu_v_pll_lock_groups[] = { +static const char * const pistachio_sys_pll_lock_groups[] = { "mfio87", }; -static const char * const pistachio_rpu_l_pll_lock_groups[] = { +static const char * const pistachio_wifi_pll_lock_groups[] = { "mfio88", }; -static const char * const pistachio_audio_pll_lock_groups[] = { +static const char * const pistachio_bt_pll_lock_groups[] = { "mfio89", }; @@ -559,12 +559,12 @@ enum pistachio_mux_option { PISTACHIO_FUNCTION_DREQ4, PISTACHIO_FUNCTION_DREQ5, PISTACHIO_FUNCTION_MIPS_PLL_LOCK, + PISTACHIO_FUNCTION_AUDIO_PLL_LOCK, + PISTACHIO_FUNCTION_RPU_V_PLL_LOCK, + PISTACHIO_FUNCTION_RPU_L_PLL_LOCK, PISTACHIO_FUNCTION_SYS_PLL_LOCK, PISTACHIO_FUNCTION_WIFI_PLL_LOCK, PISTACHIO_FUNCTION_BT_PLL_LOCK, - PISTACHIO_FUNCTION_RPU_V_PLL_LOCK, - PISTACHIO_FUNCTION_RPU_L_PLL_LOCK, - PISTACHIO_FUNCTION_AUDIO_PLL_LOCK, PISTACHIO_FUNCTION_DEBUG_RAW_CCA_IND, PISTACHIO_FUNCTION_DEBUG_ED_SEC20_CCA_IND, PISTACHIO_FUNCTION_DEBUG_ED_SEC40_CCA_IND, @@ -620,12 +620,12 @@ static const struct pistachio_function pistachio_functions[] = { FUNCTION(dreq4), FUNCTION(dreq5), FUNCTION(mips_pll_lock), + FUNCTION(audio_pll_lock), + FUNCTION(rpu_v_pll_lock), + FUNCTION(rpu_l_pll_lock), FUNCTION(sys_pll_lock), FUNCTION(wifi_pll_lock), FUNCTION(bt_pll_lock), - FUNCTION(rpu_v_pll_lock), - FUNCTION(rpu_l_pll_lock), - FUNCTION(audio_pll_lock), FUNCTION(debug_raw_cca_ind), FUNCTION(debug_ed_sec20_cca_ind), FUNCTION(debug_ed_sec40_cca_ind), diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index fb126d56ad40..cf9bafa10acf 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1280,9 +1280,9 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs, /* Parse pins in each row from LSB */ while (mask) { - bit_pos = ffs(mask); + bit_pos = __ffs(mask); pin_num_from_lsb = bit_pos / pcs->bits_per_pin; - mask_pos = ((pcs->fmask) << (bit_pos - 1)); + mask_pos = ((pcs->fmask) << bit_pos); val_pos = val & mask_pos; submask = mask & mask_pos; @@ -1852,7 +1852,7 @@ static int pcs_probe(struct platform_device *pdev) ret = of_property_read_u32(np, "pinctrl-single,function-mask", &pcs->fmask); if (!ret) { - pcs->fshift = ffs(pcs->fmask) - 1; + pcs->fshift = __ffs(pcs->fmask); pcs->fmax = pcs->fmask >> pcs->fshift; } else { /* If mask property doesn't exist, function mux is invalid. */ diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c index 412c6b78140a..a13f2b6f6fc0 100644 --- a/drivers/pinctrl/pinctrl-xway.c +++ b/drivers/pinctrl/pinctrl-xway.c @@ -1573,6 +1573,22 @@ static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val) return 0; } +/* + * gpiolib gpiod_to_irq callback function. + * Returns the mapped IRQ (external interrupt) number for a given GPIO pin. + */ +static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +{ + struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent); + int i; + + for (i = 0; i < info->num_exin; i++) + if (info->exin[i] == offset) + return ltq_eiu_get_irq(i); + + return -1; +} + static struct gpio_chip xway_chip = { .label = "gpio-xway", .direction_input = xway_gpio_dir_in, @@ -1581,6 +1597,7 @@ static struct gpio_chip xway_chip = { .set = xway_gpio_set, .request = gpiochip_generic_request, .free = gpiochip_generic_free, + .to_irq = xway_gpio_to_irq, .base = -1, }; diff --git a/drivers/pinctrl/qcom/pinctrl-ipq4019.c b/drivers/pinctrl/qcom/pinctrl-ipq4019.c index b5d81ced6ce6..b68ae424cee2 100644 --- a/drivers/pinctrl/qcom/pinctrl-ipq4019.c +++ b/drivers/pinctrl/qcom/pinctrl-ipq4019.c @@ -237,7 +237,7 @@ DECLARE_QCA_GPIO_PINS(99); .pins = gpio##id##_pins, \ .npins = (unsigned)ARRAY_SIZE(gpio##id##_pins), \ .funcs = (int[]){ \ - qca_mux_NA, /* gpio mode */ \ + qca_mux_gpio, /* gpio mode */ \ qca_mux_##f1, \ qca_mux_##f2, \ qca_mux_##f3, \ @@ -254,11 +254,11 @@ DECLARE_QCA_GPIO_PINS(99); qca_mux_##f14 \ }, \ .nfuncs = 15, \ - .ctl_reg = 0x1000 + 0x10 * id, \ - .io_reg = 0x1004 + 0x10 * id, \ - .intr_cfg_reg = 0x1008 + 0x10 * id, \ - .intr_status_reg = 0x100c + 0x10 * id, \ - .intr_target_reg = 0x400 + 0x4 * id, \ + .ctl_reg = 0x0 + 0x1000 * id, \ + .io_reg = 0x4 + 0x1000 * id, \ + .intr_cfg_reg = 0x8 + 0x1000 * id, \ + .intr_status_reg = 0xc + 0x1000 * id, \ + .intr_target_reg = 0x8 + 0x1000 * id, \ .mux_bit = 2, \ .pull_bit = 0, \ .drv_bit = 6, \ @@ -414,7 +414,7 @@ static const struct msm_pinctrl_soc_data ipq4019_pinctrl = { .nfunctions = ARRAY_SIZE(ipq4019_functions), .groups = ipq4019_groups, .ngroups = ARRAY_SIZE(ipq4019_groups), - .ngpios = 70, + .ngpios = 100, }; static int ipq4019_pinctrl_probe(struct platform_device *pdev) diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c index dc3609f0c60b..ee0c1f2567d9 100644 --- a/drivers/pinctrl/sh-pfc/core.c +++ b/drivers/pinctrl/sh-pfc/core.c @@ -546,7 +546,9 @@ static int sh_pfc_probe(struct platform_device *pdev) return ret; } - pinctrl_provide_dummies(); + /* Enable dummy states for those platforms without pinctrl support */ + if (!of_have_populated_dt()) + pinctrl_provide_dummies(); ret = sh_pfc_init_ranges(pfc); if (ret < 0) diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c index 00265f0435a7..8b381d69df86 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c @@ -485,6 +485,7 @@ static const struct sunxi_pinctrl_desc sun8i_a33_pinctrl_data = { .pins = sun8i_a33_pins, .npins = ARRAY_SIZE(sun8i_a33_pins), .irq_banks = 2, + .irq_bank_base = 1, }; static int sun8i_a33_pinctrl_probe(struct platform_device *pdev) diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index 12a1dfabb1af..3b017dbd289c 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -579,7 +579,7 @@ static void sunxi_pinctrl_irq_release_resources(struct irq_data *d) static int sunxi_pinctrl_irq_set_type(struct irq_data *d, unsigned int type) { struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); - u32 reg = sunxi_irq_cfg_reg(d->hwirq); + u32 reg = sunxi_irq_cfg_reg(d->hwirq, pctl->desc->irq_bank_base); u8 index = sunxi_irq_cfg_offset(d->hwirq); unsigned long flags; u32 regval; @@ -626,7 +626,8 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d, unsigned int type) static void sunxi_pinctrl_irq_ack(struct irq_data *d) { struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); - u32 status_reg = sunxi_irq_status_reg(d->hwirq); + u32 status_reg = sunxi_irq_status_reg(d->hwirq, + pctl->desc->irq_bank_base); u8 status_idx = sunxi_irq_status_offset(d->hwirq); /* Clear the IRQ */ @@ -636,7 +637,7 @@ static void sunxi_pinctrl_irq_ack(struct irq_data *d) static void sunxi_pinctrl_irq_mask(struct irq_data *d) { struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); - u32 reg = sunxi_irq_ctrl_reg(d->hwirq); + u32 reg = sunxi_irq_ctrl_reg(d->hwirq, pctl->desc->irq_bank_base); u8 idx = sunxi_irq_ctrl_offset(d->hwirq); unsigned long flags; u32 val; @@ -653,7 +654,7 @@ static void sunxi_pinctrl_irq_mask(struct irq_data *d) static void sunxi_pinctrl_irq_unmask(struct irq_data *d) { struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); - u32 reg = sunxi_irq_ctrl_reg(d->hwirq); + u32 reg = sunxi_irq_ctrl_reg(d->hwirq, pctl->desc->irq_bank_base); u8 idx = sunxi_irq_ctrl_offset(d->hwirq); unsigned long flags; u32 val; @@ -745,7 +746,7 @@ static void sunxi_pinctrl_irq_handler(struct irq_desc *desc) if (bank == pctl->desc->irq_banks) return; - reg = sunxi_irq_status_reg_from_bank(bank); + reg = sunxi_irq_status_reg_from_bank(bank, pctl->desc->irq_bank_base); val = readl(pctl->membase + reg); if (val) { @@ -1024,9 +1025,11 @@ int sunxi_pinctrl_init(struct platform_device *pdev, for (i = 0; i < pctl->desc->irq_banks; i++) { /* Mask and clear all IRQs before registering a handler */ - writel(0, pctl->membase + sunxi_irq_ctrl_reg_from_bank(i)); + writel(0, pctl->membase + sunxi_irq_ctrl_reg_from_bank(i, + pctl->desc->irq_bank_base)); writel(0xffffffff, - pctl->membase + sunxi_irq_status_reg_from_bank(i)); + pctl->membase + sunxi_irq_status_reg_from_bank(i, + pctl->desc->irq_bank_base)); irq_set_chained_handler_and_data(pctl->irq[i], sunxi_pinctrl_irq_handler, diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.h b/drivers/pinctrl/sunxi/pinctrl-sunxi.h index e248e81a0f9e..0afce1ab12d0 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.h +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.h @@ -97,6 +97,7 @@ struct sunxi_pinctrl_desc { int npins; unsigned pin_base; unsigned irq_banks; + unsigned irq_bank_base; bool irq_read_needs_mux; }; @@ -233,12 +234,12 @@ static inline u32 sunxi_pull_offset(u16 pin) return pin_num * PULL_PINS_BITS; } -static inline u32 sunxi_irq_cfg_reg(u16 irq) +static inline u32 sunxi_irq_cfg_reg(u16 irq, unsigned bank_base) { u8 bank = irq / IRQ_PER_BANK; u8 reg = (irq % IRQ_PER_BANK) / IRQ_CFG_IRQ_PER_REG * 0x04; - return IRQ_CFG_REG + bank * IRQ_MEM_SIZE + reg; + return IRQ_CFG_REG + (bank_base + bank) * IRQ_MEM_SIZE + reg; } static inline u32 sunxi_irq_cfg_offset(u16 irq) @@ -247,16 +248,16 @@ static inline u32 sunxi_irq_cfg_offset(u16 irq) return irq_num * IRQ_CFG_IRQ_BITS; } -static inline u32 sunxi_irq_ctrl_reg_from_bank(u8 bank) +static inline u32 sunxi_irq_ctrl_reg_from_bank(u8 bank, unsigned bank_base) { - return IRQ_CTRL_REG + bank * IRQ_MEM_SIZE; + return IRQ_CTRL_REG + (bank_base + bank) * IRQ_MEM_SIZE; } -static inline u32 sunxi_irq_ctrl_reg(u16 irq) +static inline u32 sunxi_irq_ctrl_reg(u16 irq, unsigned bank_base) { u8 bank = irq / IRQ_PER_BANK; - return sunxi_irq_ctrl_reg_from_bank(bank); + return sunxi_irq_ctrl_reg_from_bank(bank, bank_base); } static inline u32 sunxi_irq_ctrl_offset(u16 irq) @@ -265,16 +266,16 @@ static inline u32 sunxi_irq_ctrl_offset(u16 irq) return irq_num * IRQ_CTRL_IRQ_BITS; } -static inline u32 sunxi_irq_status_reg_from_bank(u8 bank) +static inline u32 sunxi_irq_status_reg_from_bank(u8 bank, unsigned bank_base) { - return IRQ_STATUS_REG + bank * IRQ_MEM_SIZE; + return IRQ_STATUS_REG + (bank_base + bank) * IRQ_MEM_SIZE; } -static inline u32 sunxi_irq_status_reg(u16 irq) +static inline u32 sunxi_irq_status_reg(u16 irq, unsigned bank_base) { u8 bank = irq / IRQ_PER_BANK; - return sunxi_irq_status_reg_from_bank(bank); + return sunxi_irq_status_reg_from_bank(bank, bank_base); } static inline u32 sunxi_irq_status_offset(u16 irq) diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 10ce6cba4455..09356684c32f 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -127,8 +127,10 @@ static int lis3lv02d_acpi_read(struct lis3lv02d *lis3, int reg, u8 *ret) arg0.integer.value = reg; status = acpi_evaluate_integer(dev->handle, "ALRD", &args, &lret); + if (ACPI_FAILURE(status)) + return -EINVAL; *ret = lret; - return (status != AE_OK) ? -EINVAL : 0; + return 0; } /** @@ -173,6 +175,7 @@ static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi) DEFINE_CONV(normal, 1, 2, 3); DEFINE_CONV(y_inverted, 1, -2, 3); DEFINE_CONV(x_inverted, -1, 2, 3); +DEFINE_CONV(x_inverted_usd, -1, 2, -3); DEFINE_CONV(z_inverted, 1, 2, -3); DEFINE_CONV(xy_swap, 2, 1, 3); DEFINE_CONV(xy_rotated_left, -2, 1, 3); @@ -236,6 +239,7 @@ static const struct dmi_system_id lis3lv02d_dmi_ids[] = { AXIS_DMI_MATCH("HP8710", "HP Compaq 8710", y_inverted), AXIS_DMI_MATCH("HDX18", "HP HDX 18", x_inverted), AXIS_DMI_MATCH("HPB432x", "HP ProBook 432", xy_rotated_left), + AXIS_DMI_MATCH("HPB440G3", "HP ProBook 440 G3", x_inverted_usd), AXIS_DMI_MATCH("HPB442x", "HP ProBook 442", xy_rotated_left), AXIS_DMI_MATCH("HPB452x", "HP ProBook 452", y_inverted), AXIS_DMI_MATCH("HPB522x", "HP ProBook 522", xy_swap), diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index f93abc8c1424..a818db6aa08f 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -91,6 +91,8 @@ static int intel_hid_pl_resume_handler(struct device *device) } static const struct dev_pm_ops intel_hid_pl_pm_ops = { + .freeze = intel_hid_pl_suspend_handler, + .restore = intel_hid_pl_resume_handler, .suspend = intel_hid_pl_suspend_handler, .resume = intel_hid_pl_resume_handler, }; diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index 3fb1d85c70a8..6f497e80c9df 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -687,8 +687,8 @@ static int ipc_plat_get_res(struct platform_device *pdev) ipcdev.acpi_io_size = size; dev_info(&pdev->dev, "io res: %pR\n", res); - /* This is index 0 to cover BIOS data register */ punit_res = punit_res_array; + /* This is index 0 to cover BIOS data register */ res = platform_get_resource(pdev, IORESOURCE_MEM, PLAT_RESOURCE_BIOS_DATA_INDEX); if (!res) { @@ -698,55 +698,51 @@ static int ipc_plat_get_res(struct platform_device *pdev) *punit_res = *res; dev_info(&pdev->dev, "punit BIOS data res: %pR\n", res); + /* This is index 1 to cover BIOS interface register */ res = platform_get_resource(pdev, IORESOURCE_MEM, PLAT_RESOURCE_BIOS_IFACE_INDEX); if (!res) { dev_err(&pdev->dev, "Failed to get res of punit BIOS iface\n"); return -ENXIO; } - /* This is index 1 to cover BIOS interface register */ *++punit_res = *res; dev_info(&pdev->dev, "punit BIOS interface res: %pR\n", res); + /* This is index 2 to cover ISP data register, optional */ res = platform_get_resource(pdev, IORESOURCE_MEM, PLAT_RESOURCE_ISP_DATA_INDEX); - if (!res) { - dev_err(&pdev->dev, "Failed to get res of punit ISP data\n"); - return -ENXIO; + ++punit_res; + if (res) { + *punit_res = *res; + dev_info(&pdev->dev, "punit ISP data res: %pR\n", res); } - /* This is index 2 to cover ISP data register */ - *++punit_res = *res; - dev_info(&pdev->dev, "punit ISP data res: %pR\n", res); + /* This is index 3 to cover ISP interface register, optional */ res = platform_get_resource(pdev, IORESOURCE_MEM, PLAT_RESOURCE_ISP_IFACE_INDEX); - if (!res) { - dev_err(&pdev->dev, "Failed to get res of punit ISP iface\n"); - return -ENXIO; + ++punit_res; + if (res) { + *punit_res = *res; + dev_info(&pdev->dev, "punit ISP interface res: %pR\n", res); } - /* This is index 3 to cover ISP interface register */ - *++punit_res = *res; - dev_info(&pdev->dev, "punit ISP interface res: %pR\n", res); + /* This is index 4 to cover GTD data register, optional */ res = platform_get_resource(pdev, IORESOURCE_MEM, PLAT_RESOURCE_GTD_DATA_INDEX); - if (!res) { - dev_err(&pdev->dev, "Failed to get res of punit GTD data\n"); - return -ENXIO; + ++punit_res; + if (res) { + *punit_res = *res; + dev_info(&pdev->dev, "punit GTD data res: %pR\n", res); } - /* This is index 4 to cover GTD data register */ - *++punit_res = *res; - dev_info(&pdev->dev, "punit GTD data res: %pR\n", res); + /* This is index 5 to cover GTD interface register, optional */ res = platform_get_resource(pdev, IORESOURCE_MEM, PLAT_RESOURCE_GTD_IFACE_INDEX); - if (!res) { - dev_err(&pdev->dev, "Failed to get res of punit GTD iface\n"); - return -ENXIO; + ++punit_res; + if (res) { + *punit_res = *res; + dev_info(&pdev->dev, "punit GTD interface res: %pR\n", res); } - /* This is index 5 to cover GTD interface register */ - *++punit_res = *res; - dev_info(&pdev->dev, "punit GTD interface res: %pR\n", res); res = platform_get_resource(pdev, IORESOURCE_MEM, PLAT_RESOURCE_IPC_INDEX); diff --git a/drivers/platform/x86/intel_punit_ipc.c b/drivers/platform/x86/intel_punit_ipc.c index bd875409a02d..a47a41fc10ad 100644 --- a/drivers/platform/x86/intel_punit_ipc.c +++ b/drivers/platform/x86/intel_punit_ipc.c @@ -227,6 +227,11 @@ static int intel_punit_get_bars(struct platform_device *pdev) struct resource *res; void __iomem *addr; + /* + * The following resources are required + * - BIOS_IPC BASE_DATA + * - BIOS_IPC BASE_IFACE + */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); addr = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(addr)) @@ -239,29 +244,40 @@ static int intel_punit_get_bars(struct platform_device *pdev) return PTR_ERR(addr); punit_ipcdev->base[BIOS_IPC][BASE_IFACE] = addr; + /* + * The following resources are optional + * - ISPDRIVER_IPC BASE_DATA + * - ISPDRIVER_IPC BASE_IFACE + * - GTDRIVER_IPC BASE_DATA + * - GTDRIVER_IPC BASE_IFACE + */ res = platform_get_resource(pdev, IORESOURCE_MEM, 2); - addr = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(addr)) - return PTR_ERR(addr); - punit_ipcdev->base[ISPDRIVER_IPC][BASE_DATA] = addr; + if (res) { + addr = devm_ioremap_resource(&pdev->dev, res); + if (!IS_ERR(addr)) + punit_ipcdev->base[ISPDRIVER_IPC][BASE_DATA] = addr; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 3); - addr = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(addr)) - return PTR_ERR(addr); - punit_ipcdev->base[ISPDRIVER_IPC][BASE_IFACE] = addr; + if (res) { + addr = devm_ioremap_resource(&pdev->dev, res); + if (!IS_ERR(addr)) + punit_ipcdev->base[ISPDRIVER_IPC][BASE_IFACE] = addr; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 4); - addr = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(addr)) - return PTR_ERR(addr); - punit_ipcdev->base[GTDRIVER_IPC][BASE_DATA] = addr; + if (res) { + addr = devm_ioremap_resource(&pdev->dev, res); + if (!IS_ERR(addr)) + punit_ipcdev->base[GTDRIVER_IPC][BASE_DATA] = addr; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 5); - addr = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(addr)) - return PTR_ERR(addr); - punit_ipcdev->base[GTDRIVER_IPC][BASE_IFACE] = addr; + if (res) { + addr = devm_ioremap_resource(&pdev->dev, res); + if (!IS_ERR(addr)) + punit_ipcdev->base[GTDRIVER_IPC][BASE_IFACE] = addr; + } return 0; } diff --git a/drivers/platform/x86/intel_telemetry_pltdrv.c b/drivers/platform/x86/intel_telemetry_pltdrv.c index 397119f83e82..781bd10ca7ac 100644 --- a/drivers/platform/x86/intel_telemetry_pltdrv.c +++ b/drivers/platform/x86/intel_telemetry_pltdrv.c @@ -659,7 +659,7 @@ static int telemetry_plt_update_events(struct telemetry_evtconfig pss_evtconfig, static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period) { u32 telem_ctrl = 0; - int ret; + int ret = 0; mutex_lock(&(telm_conf->telem_lock)); if (ioss_period) { diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index e305ab541a22..9255ff3ee81a 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -7972,10 +7972,12 @@ static int fan_get_status_safe(u8 *status) fan_update_desired_level(s); mutex_unlock(&fan_mutex); + if (rc) + return rc; if (status) *status = s; - return rc; + return 0; } static int fan_get_speed(unsigned int *speed) diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index df1f1a76a862..01e12d221a8b 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -135,7 +135,7 @@ MODULE_LICENSE("GPL"); /* Field definitions */ #define HCI_ACCEL_MASK 0x7fff #define HCI_HOTKEY_DISABLE 0x0b -#define HCI_HOTKEY_ENABLE 0x01 +#define HCI_HOTKEY_ENABLE 0x09 #define HCI_HOTKEY_SPECIAL_FUNCTIONS 0x10 #define HCI_LCD_BRIGHTNESS_BITS 3 #define HCI_LCD_BRIGHTNESS_SHIFT (16-HCI_LCD_BRIGHTNESS_BITS) diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c index cdfd01f0adb8..8fad0a7044d3 100644 --- a/drivers/powercap/intel_rapl.c +++ b/drivers/powercap/intel_rapl.c @@ -1091,6 +1091,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = { RAPL_CPU(0x3f, rapl_defaults_hsw_server),/* Haswell servers */ RAPL_CPU(0x4f, rapl_defaults_hsw_server),/* Broadwell servers */ RAPL_CPU(0x45, rapl_defaults_core),/* Haswell ULT */ + RAPL_CPU(0x46, rapl_defaults_core),/* Haswell */ RAPL_CPU(0x47, rapl_defaults_core),/* Broadwell-H */ RAPL_CPU(0x4E, rapl_defaults_core),/* Skylake */ RAPL_CPU(0x4C, rapl_defaults_cht),/* Braswell/Cherryview */ diff --git a/drivers/pwm/pwm-fsl-ftm.c b/drivers/pwm/pwm-fsl-ftm.c index 7225ac6b3df5..fad968eb75f6 100644 --- a/drivers/pwm/pwm-fsl-ftm.c +++ b/drivers/pwm/pwm-fsl-ftm.c @@ -392,7 +392,7 @@ static const struct regmap_config fsl_pwm_regmap_config = { .max_register = FTM_PWMLOAD, .volatile_reg = fsl_pwm_volatile_reg, - .cache_type = REGCACHE_RBTREE, + .cache_type = REGCACHE_FLAT, }; static int fsl_pwm_probe(struct platform_device *pdev) diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c index 5d4d91846357..e165b7ce29d7 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -126,7 +126,7 @@ struct rio_mport_mapping { struct list_head node; struct mport_dev *md; enum rio_mport_map_dir dir; - u32 rioid; + u16 rioid; u64 rio_addr; dma_addr_t phys_addr; /* for mmap */ void *virt_addr; /* kernel address, for dma_free_coherent */ @@ -137,7 +137,7 @@ struct rio_mport_mapping { struct rio_mport_dma_map { int valid; - uint64_t length; + u64 length; void *vaddr; dma_addr_t paddr; }; @@ -208,7 +208,7 @@ struct mport_cdev_priv { struct kfifo event_fifo; wait_queue_head_t event_rx_wait; spinlock_t fifo_lock; - unsigned int event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */ + u32 event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */ #ifdef CONFIG_RAPIDIO_DMA_ENGINE struct dma_chan *dmach; struct list_head async_list; @@ -276,7 +276,8 @@ static int rio_mport_maint_rd(struct mport_cdev_priv *priv, void __user *arg, return -EFAULT; if ((maint_io.offset % 4) || - (maint_io.length == 0) || (maint_io.length % 4)) + (maint_io.length == 0) || (maint_io.length % 4) || + (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ) return -EINVAL; buffer = vmalloc(maint_io.length); @@ -298,7 +299,8 @@ static int rio_mport_maint_rd(struct mport_cdev_priv *priv, void __user *arg, offset += 4; } - if (unlikely(copy_to_user(maint_io.buffer, buffer, maint_io.length))) + if (unlikely(copy_to_user((void __user *)(uintptr_t)maint_io.buffer, + buffer, maint_io.length))) ret = -EFAULT; out: vfree(buffer); @@ -319,7 +321,8 @@ static int rio_mport_maint_wr(struct mport_cdev_priv *priv, void __user *arg, return -EFAULT; if ((maint_io.offset % 4) || - (maint_io.length == 0) || (maint_io.length % 4)) + (maint_io.length == 0) || (maint_io.length % 4) || + (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ) return -EINVAL; buffer = vmalloc(maint_io.length); @@ -327,7 +330,8 @@ static int rio_mport_maint_wr(struct mport_cdev_priv *priv, void __user *arg, return -ENOMEM; length = maint_io.length; - if (unlikely(copy_from_user(buffer, maint_io.buffer, length))) { + if (unlikely(copy_from_user(buffer, + (void __user *)(uintptr_t)maint_io.buffer, length))) { ret = -EFAULT; goto out; } @@ -360,7 +364,7 @@ out: */ static int rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp, - u32 rioid, u64 raddr, u32 size, + u16 rioid, u64 raddr, u32 size, dma_addr_t *paddr) { struct rio_mport *mport = md->mport; @@ -369,7 +373,7 @@ rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp, rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%x", rioid, raddr, size); - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -394,7 +398,7 @@ err_map_outb: static int rio_mport_get_outbound_mapping(struct mport_dev *md, struct file *filp, - u32 rioid, u64 raddr, u32 size, + u16 rioid, u64 raddr, u32 size, dma_addr_t *paddr) { struct rio_mport_mapping *map; @@ -433,7 +437,7 @@ static int rio_mport_obw_map(struct file *filp, void __user *arg) dma_addr_t paddr; int ret; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%llx", @@ -448,7 +452,7 @@ static int rio_mport_obw_map(struct file *filp, void __user *arg) map.handle = paddr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) return -EFAULT; return 0; } @@ -469,7 +473,7 @@ static int rio_mport_obw_free(struct file *filp, void __user *arg) if (!md->mport->ops->unmap_outb) return -EPROTONOSUPPORT; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; rmcd_debug(OBW, "h=0x%llx", handle); @@ -498,9 +502,9 @@ static int rio_mport_obw_free(struct file *filp, void __user *arg) static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint16_t hdid; + u16 hdid; - if (copy_from_user(&hdid, arg, sizeof(uint16_t))) + if (copy_from_user(&hdid, arg, sizeof(hdid))) return -EFAULT; md->mport->host_deviceid = hdid; @@ -520,9 +524,9 @@ static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg) static int maint_comptag_set(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint32_t comptag; + u32 comptag; - if (copy_from_user(&comptag, arg, sizeof(uint32_t))) + if (copy_from_user(&comptag, arg, sizeof(comptag))) return -EFAULT; rio_local_write_config_32(md->mport, RIO_COMPONENT_TAG_CSR, comptag); @@ -837,7 +841,7 @@ err_out: * @xfer: data transfer descriptor structure */ static int -rio_dma_transfer(struct file *filp, uint32_t transfer_mode, +rio_dma_transfer(struct file *filp, u32 transfer_mode, enum rio_transfer_sync sync, enum dma_data_direction dir, struct rio_transfer_io *xfer) { @@ -875,7 +879,7 @@ rio_dma_transfer(struct file *filp, uint32_t transfer_mode, unsigned long offset; long pinned; - offset = (unsigned long)xfer->loc_addr & ~PAGE_MASK; + offset = (unsigned long)(uintptr_t)xfer->loc_addr & ~PAGE_MASK; nr_pages = PAGE_ALIGN(xfer->length + offset) >> PAGE_SHIFT; page_list = kmalloc_array(nr_pages, @@ -1015,19 +1019,20 @@ static int rio_mport_transfer_ioctl(struct file *filp, void __user *arg) if (unlikely(copy_from_user(&transaction, arg, sizeof(transaction)))) return -EFAULT; - if (transaction.count != 1) + if (transaction.count != 1) /* only single transfer for now */ return -EINVAL; if ((transaction.transfer_mode & priv->md->properties.transfer_mode) == 0) return -ENODEV; - transfer = vmalloc(transaction.count * sizeof(struct rio_transfer_io)); + transfer = vmalloc(transaction.count * sizeof(*transfer)); if (!transfer) return -ENOMEM; - if (unlikely(copy_from_user(transfer, transaction.block, - transaction.count * sizeof(struct rio_transfer_io)))) { + if (unlikely(copy_from_user(transfer, + (void __user *)(uintptr_t)transaction.block, + transaction.count * sizeof(*transfer)))) { ret = -EFAULT; goto out_free; } @@ -1038,8 +1043,9 @@ static int rio_mport_transfer_ioctl(struct file *filp, void __user *arg) ret = rio_dma_transfer(filp, transaction.transfer_mode, transaction.sync, dir, &transfer[i]); - if (unlikely(copy_to_user(transaction.block, transfer, - transaction.count * sizeof(struct rio_transfer_io)))) + if (unlikely(copy_to_user((void __user *)(uintptr_t)transaction.block, + transfer, + transaction.count * sizeof(*transfer)))) ret = -EFAULT; out_free: @@ -1129,11 +1135,11 @@ err_tmo: } static int rio_mport_create_dma_mapping(struct mport_dev *md, struct file *filp, - uint64_t size, struct rio_mport_mapping **mapping) + u64 size, struct rio_mport_mapping **mapping) { struct rio_mport_mapping *map; - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -1165,7 +1171,7 @@ static int rio_mport_alloc_dma(struct file *filp, void __user *arg) struct rio_mport_mapping *mapping = NULL; int ret; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_dma_mem)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; ret = rio_mport_create_dma_mapping(md, filp, map.length, &mapping); @@ -1174,7 +1180,7 @@ static int rio_mport_alloc_dma(struct file *filp, void __user *arg) map.dma_handle = mapping->phys_addr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_dma_mem)))) { + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) { mutex_lock(&md->buf_mutex); kref_put(&mapping->ref, mport_release_mapping); mutex_unlock(&md->buf_mutex); @@ -1192,7 +1198,7 @@ static int rio_mport_free_dma(struct file *filp, void __user *arg) int ret = -EFAULT; struct rio_mport_mapping *map, *_map; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; rmcd_debug(EXIT, "filp=%p", filp); @@ -1242,14 +1248,18 @@ static int rio_mport_free_dma(struct file *filp, void __user *arg) static int rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp, - u64 raddr, u32 size, + u64 raddr, u64 size, struct rio_mport_mapping **mapping) { struct rio_mport *mport = md->mport; struct rio_mport_mapping *map; int ret; - map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL); + /* rio_map_inb_region() accepts u32 size */ + if (size > 0xffffffff) + return -EINVAL; + + map = kzalloc(sizeof(*map), GFP_KERNEL); if (map == NULL) return -ENOMEM; @@ -1262,7 +1272,7 @@ rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp, if (raddr == RIO_MAP_ANY_ADDR) raddr = map->phys_addr; - ret = rio_map_inb_region(mport, map->phys_addr, raddr, size, 0); + ret = rio_map_inb_region(mport, map->phys_addr, raddr, (u32)size, 0); if (ret < 0) goto err_map_inb; @@ -1288,7 +1298,7 @@ err_dma_alloc: static int rio_mport_get_inbound_mapping(struct mport_dev *md, struct file *filp, - u64 raddr, u32 size, + u64 raddr, u64 size, struct rio_mport_mapping **mapping) { struct rio_mport_mapping *map; @@ -1331,7 +1341,7 @@ static int rio_mport_map_inbound(struct file *filp, void __user *arg) if (!md->mport->ops->map_inb) return -EPROTONOSUPPORT; - if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap)))) + if (unlikely(copy_from_user(&map, arg, sizeof(map)))) return -EFAULT; rmcd_debug(IBW, "%s filp=%p", dev_name(&priv->md->dev), filp); @@ -1344,7 +1354,7 @@ static int rio_mport_map_inbound(struct file *filp, void __user *arg) map.handle = mapping->phys_addr; map.rio_addr = mapping->rio_addr; - if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) { + if (unlikely(copy_to_user(arg, &map, sizeof(map)))) { /* Delete mapping if it was created by this request */ if (ret == 0 && mapping->filp == filp) { mutex_lock(&md->buf_mutex); @@ -1375,7 +1385,7 @@ static int rio_mport_inbound_free(struct file *filp, void __user *arg) if (!md->mport->ops->unmap_inb) return -EPROTONOSUPPORT; - if (copy_from_user(&handle, arg, sizeof(u64))) + if (copy_from_user(&handle, arg, sizeof(handle))) return -EFAULT; mutex_lock(&md->buf_mutex); @@ -1401,7 +1411,7 @@ static int rio_mport_inbound_free(struct file *filp, void __user *arg) static int maint_port_idx_get(struct mport_cdev_priv *priv, void __user *arg) { struct mport_dev *md = priv->md; - uint32_t port_idx = md->mport->index; + u32 port_idx = md->mport->index; rmcd_debug(MPORT, "port_index=%d", port_idx); @@ -1451,7 +1461,7 @@ static void rio_mport_doorbell_handler(struct rio_mport *mport, void *dev_id, handled = 0; spin_lock(&data->db_lock); list_for_each_entry(db_filter, &data->doorbells, data_node) { - if (((db_filter->filter.rioid == 0xffffffff || + if (((db_filter->filter.rioid == RIO_INVALID_DESTID || db_filter->filter.rioid == src)) && info >= db_filter->filter.low && info <= db_filter->filter.high) { @@ -1525,6 +1535,9 @@ static int rio_mport_remove_db_filter(struct mport_cdev_priv *priv, if (copy_from_user(&filter, arg, sizeof(filter))) return -EFAULT; + if (filter.low > filter.high) + return -EINVAL; + spin_lock_irqsave(&priv->md->db_lock, flags); list_for_each_entry(db_filter, &priv->db_filters, priv_node) { if (db_filter->filter.rioid == filter.rioid && @@ -1737,10 +1750,10 @@ static int rio_mport_add_riodev(struct mport_cdev_priv *priv, return -EEXIST; } - size = sizeof(struct rio_dev); + size = sizeof(*rdev); mport = md->mport; - destid = (u16)dev_info.destid; - hopcount = (u8)dev_info.hopcount; + destid = dev_info.destid; + hopcount = dev_info.hopcount; if (rio_mport_read_config_32(mport, destid, hopcount, RIO_PEF_CAR, &rval)) @@ -1872,8 +1885,8 @@ static int rio_mport_del_riodev(struct mport_cdev_priv *priv, void __user *arg) do { rdev = rio_get_comptag(dev_info.comptag, rdev); if (rdev && rdev->dev.parent == &mport->net->dev && - rdev->destid == (u16)dev_info.destid && - rdev->hopcount == (u8)dev_info.hopcount) + rdev->destid == dev_info.destid && + rdev->hopcount == dev_info.hopcount) break; } while (rdev); } @@ -2146,8 +2159,8 @@ static long mport_cdev_ioctl(struct file *filp, return maint_port_idx_get(data, (void __user *)arg); case RIO_MPORT_GET_PROPERTIES: md->properties.hdid = md->mport->host_deviceid; - if (copy_to_user((void __user *)arg, &(data->md->properties), - sizeof(data->md->properties))) + if (copy_to_user((void __user *)arg, &(md->properties), + sizeof(md->properties))) return -EFAULT; return 0; case RIO_ENABLE_DOORBELL_RANGE: @@ -2159,11 +2172,11 @@ static long mport_cdev_ioctl(struct file *filp, case RIO_DISABLE_PORTWRITE_RANGE: return rio_mport_remove_pw_filter(data, (void __user *)arg); case RIO_SET_EVENT_MASK: - data->event_mask = arg; + data->event_mask = (u32)arg; return 0; case RIO_GET_EVENT_MASK: if (copy_to_user((void __user *)arg, &data->event_mask, - sizeof(data->event_mask))) + sizeof(u32))) return -EFAULT; return 0; case RIO_MAP_OUTBOUND: @@ -2374,7 +2387,7 @@ static ssize_t mport_write(struct file *filp, const char __user *buf, return -EINVAL; ret = rio_mport_send_doorbell(mport, - (u16)event.u.doorbell.rioid, + event.u.doorbell.rioid, event.u.doorbell.payload); if (ret < 0) return ret; @@ -2421,7 +2434,7 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport) struct mport_dev *md; struct rio_mport_attr attr; - md = kzalloc(sizeof(struct mport_dev), GFP_KERNEL); + md = kzalloc(sizeof(*md), GFP_KERNEL); if (!md) { rmcd_error("Unable allocate a device object"); return NULL; @@ -2470,7 +2483,7 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport) /* The transfer_mode property will be returned through mport query * interface */ -#ifdef CONFIG_PPC /* for now: only on Freescale's SoCs */ +#ifdef CONFIG_FSL_RIO /* for now: only on Freescale's SoCs */ md->properties.transfer_mode |= RIO_TRANSFER_MODE_MAPPED; #else md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER; @@ -2669,9 +2682,9 @@ static int __init mport_init(void) /* Create device class needed by udev */ dev_class = class_create(THIS_MODULE, DRV_NAME); - if (!dev_class) { + if (IS_ERR(dev_class)) { rmcd_error("Unable to create " DRV_NAME " class"); - return -EINVAL; + return PTR_ERR(dev_class); } ret = alloc_chrdev_region(&dev_number, 0, RIO_MAX_MPORTS, DRV_NAME); diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index b2156ee5bae1..ecb7dbae9be9 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -863,7 +863,7 @@ out: * A user-initiated temperature conversion is not started by this function, * so the temperature is updated once every 64 seconds. */ -static int ds3231_hwmon_read_temp(struct device *dev, s16 *mC) +static int ds3231_hwmon_read_temp(struct device *dev, s32 *mC) { struct ds1307 *ds1307 = dev_get_drvdata(dev); u8 temp_buf[2]; @@ -892,7 +892,7 @@ static ssize_t ds3231_hwmon_show_temp(struct device *dev, struct device_attribute *attr, char *buf) { int ret; - s16 temp; + s32 temp; ret = ds3231_hwmon_read_temp(dev, &temp); if (ret) @@ -1531,7 +1531,7 @@ read_rtc: return PTR_ERR(ds1307->rtc); } - if (ds1307_can_wakeup_device) { + if (ds1307_can_wakeup_device && ds1307->client->irq <= 0) { /* Disable request for an IRQ */ want_irq = false; dev_info(&client->dev, "'wakeup-source' is set, request for an IRQ is disabled!\n"); diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 1bce9cf51b1e..b83908670a9a 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -756,15 +756,16 @@ dcssblk_remove_store(struct device *dev, struct device_attribute *attr, const ch blk_cleanup_queue(dev_info->dcssblk_queue); dev_info->gd->queue = NULL; put_disk(dev_info->gd); - device_unregister(&dev_info->dev); /* unload all related segments */ list_for_each_entry(entry, &dev_info->seg_list, lh) segment_unload(entry->segment_name); - put_device(&dev_info->dev); up_write(&dcssblk_devices_sem); + device_unregister(&dev_info->dev); + put_device(&dev_info->dev); + rc = count; out_buf: kfree(local_buf); diff --git a/drivers/s390/block/scm_blk.c b/drivers/s390/block/scm_blk.c index 75d9896deccb..e6f54d3b8969 100644 --- a/drivers/s390/block/scm_blk.c +++ b/drivers/s390/block/scm_blk.c @@ -303,7 +303,7 @@ static void scm_blk_request(struct request_queue *rq) if (req->cmd_type != REQ_TYPE_FS) { blk_start_request(req); blk_dump_rq_flags(req, KMSG_COMPONENT " bad request"); - blk_end_request_all(req, -EIO); + __blk_end_request_all(req, -EIO); continue; } diff --git a/drivers/s390/char/sclp_ctl.c b/drivers/s390/char/sclp_ctl.c index 648cb86afd42..ea607a4a1bdd 100644 --- a/drivers/s390/char/sclp_ctl.c +++ b/drivers/s390/char/sclp_ctl.c @@ -56,6 +56,7 @@ static int sclp_ctl_ioctl_sccb(void __user *user_area) { struct sclp_ctl_sccb ctl_sccb; struct sccb_header *sccb; + unsigned long copied; int rc; if (copy_from_user(&ctl_sccb, user_area, sizeof(ctl_sccb))) @@ -65,14 +66,15 @@ static int sclp_ctl_ioctl_sccb(void __user *user_area) sccb = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!sccb) return -ENOMEM; - if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sizeof(*sccb))) { + copied = PAGE_SIZE - + copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), PAGE_SIZE); + if (offsetof(struct sccb_header, length) + + sizeof(sccb->length) > copied || sccb->length > copied) { rc = -EFAULT; goto out_free; } - if (sccb->length > PAGE_SIZE || sccb->length < 8) - return -EINVAL; - if (copy_from_user(sccb, u64_to_uptr(ctl_sccb.sccb), sccb->length)) { - rc = -EFAULT; + if (sccb->length < 8) { + rc = -EINVAL; goto out_free; } rc = sclp_sync_request(ctl_sccb.cmdw, sccb); diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 21a67ed047e8..ff6caab8cc8b 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -452,10 +452,11 @@ static int aac_slave_configure(struct scsi_device *sdev) else if (depth < 2) depth = 2; scsi_change_queue_depth(sdev, depth); - } else + } else { scsi_change_queue_depth(sdev, 1); sdev->tagged_supported = 1; + } return 0; } diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index f3bb7af4e984..ead83a24bcd1 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -688,6 +688,7 @@ static struct rt6_info *find_route_ipv6(const struct in6_addr *saddr, { struct flowi6 fl; + memset(&fl, 0, sizeof(fl)); if (saddr) memcpy(&fl.saddr, saddr, sizeof(struct in6_addr)); if (daddr) diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c index 35968bdb4866..8fb9643fe6e3 100644 --- a/drivers/scsi/cxlflash/main.c +++ b/drivers/scsi/cxlflash/main.c @@ -289,7 +289,7 @@ static void context_reset(struct afu_cmd *cmd) atomic64_set(&afu->room, room); if (room) goto write_rrin; - udelay(nretry); + udelay(1 << nretry); } while (nretry++ < MC_ROOM_RETRY_CNT); pr_err("%s: no cmd_room to send reset\n", __func__); @@ -303,7 +303,7 @@ write_rrin: if (rrin != 0x1) break; /* Double delay each time */ - udelay(2 << nretry); + udelay(1 << nretry); } while (nretry++ < MC_ROOM_RETRY_CNT); } @@ -338,7 +338,7 @@ retry: atomic64_set(&afu->room, room); if (room) goto write_ioarrin; - udelay(nretry); + udelay(1 << nretry); } while (nretry++ < MC_ROOM_RETRY_CNT); dev_err(dev, "%s: no cmd_room to send 0x%X\n", @@ -352,7 +352,7 @@ retry: * afu->room. */ if (nretry++ < MC_ROOM_RETRY_CNT) { - udelay(nretry); + udelay(1 << nretry); goto retry; } @@ -683,28 +683,23 @@ static void stop_afu(struct cxlflash_cfg *cfg) } /** - * term_mc() - terminates the master context + * term_intr() - disables all AFU interrupts * @cfg: Internal structure associated with the host. * @level: Depth of allocation, where to begin waterfall tear down. * * Safe to call with AFU/MC in partially allocated/initialized state. */ -static void term_mc(struct cxlflash_cfg *cfg, enum undo_level level) +static void term_intr(struct cxlflash_cfg *cfg, enum undo_level level) { - int rc = 0; struct afu *afu = cfg->afu; struct device *dev = &cfg->dev->dev; if (!afu || !cfg->mcctx) { - dev_err(dev, "%s: returning from term_mc with NULL afu or MC\n", - __func__); + dev_err(dev, "%s: returning with NULL afu or MC\n", __func__); return; } switch (level) { - case UNDO_START: - rc = cxl_stop_context(cfg->mcctx); - BUG_ON(rc); case UNMAP_THREE: cxl_unmap_afu_irq(cfg->mcctx, 3, afu); case UNMAP_TWO: @@ -713,9 +708,34 @@ static void term_mc(struct cxlflash_cfg *cfg, enum undo_level level) cxl_unmap_afu_irq(cfg->mcctx, 1, afu); case FREE_IRQ: cxl_free_afu_irqs(cfg->mcctx); - case RELEASE_CONTEXT: - cfg->mcctx = NULL; + /* fall through */ + case UNDO_NOOP: + /* No action required */ + break; + } +} + +/** + * term_mc() - terminates the master context + * @cfg: Internal structure associated with the host. + * @level: Depth of allocation, where to begin waterfall tear down. + * + * Safe to call with AFU/MC in partially allocated/initialized state. + */ +static void term_mc(struct cxlflash_cfg *cfg) +{ + int rc = 0; + struct afu *afu = cfg->afu; + struct device *dev = &cfg->dev->dev; + + if (!afu || !cfg->mcctx) { + dev_err(dev, "%s: returning with NULL afu or MC\n", __func__); + return; } + + rc = cxl_stop_context(cfg->mcctx); + WARN_ON(rc); + cfg->mcctx = NULL; } /** @@ -726,10 +746,20 @@ static void term_mc(struct cxlflash_cfg *cfg, enum undo_level level) */ static void term_afu(struct cxlflash_cfg *cfg) { + /* + * Tear down is carefully orchestrated to ensure + * no interrupts can come in when the problem state + * area is unmapped. + * + * 1) Disable all AFU interrupts + * 2) Unmap the problem state area + * 3) Stop the master context + */ + term_intr(cfg, UNMAP_THREE); if (cfg->afu) stop_afu(cfg); - term_mc(cfg, UNDO_START); + term_mc(cfg); pr_debug("%s: returning\n", __func__); } @@ -1597,41 +1627,24 @@ static int start_afu(struct cxlflash_cfg *cfg) } /** - * init_mc() - create and register as the master context + * init_intr() - setup interrupt handlers for the master context * @cfg: Internal structure associated with the host. * * Return: 0 on success, -errno on failure */ -static int init_mc(struct cxlflash_cfg *cfg) +static enum undo_level init_intr(struct cxlflash_cfg *cfg, + struct cxl_context *ctx) { - struct cxl_context *ctx; - struct device *dev = &cfg->dev->dev; struct afu *afu = cfg->afu; + struct device *dev = &cfg->dev->dev; int rc = 0; - enum undo_level level; - - ctx = cxl_get_context(cfg->dev); - if (unlikely(!ctx)) - return -ENOMEM; - cfg->mcctx = ctx; - - /* Set it up as a master with the CXL */ - cxl_set_master(ctx); - - /* During initialization reset the AFU to start from a clean slate */ - rc = cxl_afu_reset(cfg->mcctx); - if (unlikely(rc)) { - dev_err(dev, "%s: initial AFU reset failed rc=%d\n", - __func__, rc); - level = RELEASE_CONTEXT; - goto out; - } + enum undo_level level = UNDO_NOOP; rc = cxl_allocate_afu_irqs(ctx, 3); if (unlikely(rc)) { dev_err(dev, "%s: call to allocate_afu_irqs failed rc=%d!\n", __func__, rc); - level = RELEASE_CONTEXT; + level = UNDO_NOOP; goto out; } @@ -1661,8 +1674,47 @@ static int init_mc(struct cxlflash_cfg *cfg) level = UNMAP_TWO; goto out; } +out: + return level; +} - rc = 0; +/** + * init_mc() - create and register as the master context + * @cfg: Internal structure associated with the host. + * + * Return: 0 on success, -errno on failure + */ +static int init_mc(struct cxlflash_cfg *cfg) +{ + struct cxl_context *ctx; + struct device *dev = &cfg->dev->dev; + int rc = 0; + enum undo_level level; + + ctx = cxl_get_context(cfg->dev); + if (unlikely(!ctx)) { + rc = -ENOMEM; + goto ret; + } + cfg->mcctx = ctx; + + /* Set it up as a master with the CXL */ + cxl_set_master(ctx); + + /* During initialization reset the AFU to start from a clean slate */ + rc = cxl_afu_reset(cfg->mcctx); + if (unlikely(rc)) { + dev_err(dev, "%s: initial AFU reset failed rc=%d\n", + __func__, rc); + goto ret; + } + + level = init_intr(cfg, ctx); + if (unlikely(level)) { + dev_err(dev, "%s: setting up interrupts failed rc=%d\n", + __func__, rc); + goto out; + } /* This performs the equivalent of the CXL_IOCTL_START_WORK. * The CXL_IOCTL_GET_PROCESS_ELEMENT is implicit in the process @@ -1678,7 +1730,7 @@ ret: pr_debug("%s: returning rc=%d\n", __func__, rc); return rc; out: - term_mc(cfg, level); + term_intr(cfg, level); goto ret; } @@ -1751,7 +1803,8 @@ out: err2: kref_put(&afu->mapcount, afu_unmap); err1: - term_mc(cfg, UNDO_START); + term_intr(cfg, UNMAP_THREE); + term_mc(cfg); goto out; } @@ -2488,8 +2541,7 @@ static pci_ers_result_t cxlflash_pci_error_detected(struct pci_dev *pdev, if (unlikely(rc)) dev_err(dev, "%s: Failed to mark user contexts!(%d)\n", __func__, rc); - stop_afu(cfg); - term_mc(cfg, UNDO_START); + term_afu(cfg); return PCI_ERS_RESULT_NEED_RESET; case pci_channel_io_perm_failure: cfg->state = STATE_FAILTERM; diff --git a/drivers/scsi/cxlflash/main.h b/drivers/scsi/cxlflash/main.h index 0faed422c7f4..eb9d8f730b38 100644 --- a/drivers/scsi/cxlflash/main.h +++ b/drivers/scsi/cxlflash/main.h @@ -79,12 +79,11 @@ #define WWPN_BUF_LEN (WWPN_LEN + 1) enum undo_level { - RELEASE_CONTEXT = 0, + UNDO_NOOP = 0, FREE_IRQ, UNMAP_ONE, UNMAP_TWO, - UNMAP_THREE, - UNDO_START + UNMAP_THREE }; struct dev_dependent_vals { diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index a404a41e871c..8eaed0522aa3 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -1112,9 +1112,9 @@ static void alua_bus_detach(struct scsi_device *sdev) h->sdev = NULL; spin_unlock(&h->pg_lock); if (pg) { - spin_lock(&pg->lock); + spin_lock_irq(&pg->lock); list_del_rcu(&h->node); - spin_unlock(&pg->lock); + spin_unlock_irq(&pg->lock); kref_put(&pg->kref, release_port_group); } sdev->handler_data = NULL; diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index e4db5fb3239a..8c44b9c424af 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -5030,7 +5030,7 @@ _base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, int sleep_flag, static int _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) { - int r, i; + int r, i, index; unsigned long flags; u32 reply_address; u16 smid; @@ -5039,8 +5039,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) struct _event_ack_list *delayed_event_ack, *delayed_event_ack_next; u8 hide_flag; struct adapter_reply_queue *reply_q; - long reply_post_free; - u32 reply_post_free_sz, index = 0; + Mpi2ReplyDescriptorsUnion_t *reply_post_free_contig; dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, __func__)); @@ -5124,27 +5123,27 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) _base_assign_reply_queues(ioc); /* initialize Reply Post Free Queue */ - reply_post_free_sz = ioc->reply_post_queue_depth * - sizeof(Mpi2DefaultReplyDescriptor_t); - reply_post_free = (long)ioc->reply_post[index].reply_post_free; + index = 0; + reply_post_free_contig = ioc->reply_post[0].reply_post_free; list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { + /* + * If RDPQ is enabled, switch to the next allocation. + * Otherwise advance within the contiguous region. + */ + if (ioc->rdpq_array_enable) { + reply_q->reply_post_free = + ioc->reply_post[index++].reply_post_free; + } else { + reply_q->reply_post_free = reply_post_free_contig; + reply_post_free_contig += ioc->reply_post_queue_depth; + } + reply_q->reply_post_host_index = 0; - reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) - reply_post_free; for (i = 0; i < ioc->reply_post_queue_depth; i++) reply_q->reply_post_free[i].Words = cpu_to_le64(ULLONG_MAX); if (!_base_is_controller_msix_enabled(ioc)) goto skip_init_reply_post_free_queue; - /* - * If RDPQ is enabled, switch to the next allocation. - * Otherwise advance within the contiguous region. - */ - if (ioc->rdpq_array_enable) - reply_post_free = (long) - ioc->reply_post[++index].reply_post_free; - else - reply_post_free += reply_post_free_sz; } skip_init_reply_post_free_queue: diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index b1bf42b93fcc..1deb6adc411f 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -784,8 +784,9 @@ void scsi_attach_vpd(struct scsi_device *sdev) int pg83_supported = 0; unsigned char __rcu *vpd_buf, *orig_vpd_buf = NULL; - if (sdev->skip_vpd_pages) + if (!scsi_device_supports_vpd(sdev)) return; + retry_pg0: vpd_buf = kmalloc(vpd_len, GFP_KERNEL); if (!vpd_buf) diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 92ffd2406f97..2b642b145be1 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -81,6 +81,7 @@ const char *scsi_host_state_name(enum scsi_host_state state) return name; } +#ifdef CONFIG_SCSI_DH static const struct { unsigned char value; char *name; @@ -94,7 +95,7 @@ static const struct { { SCSI_ACCESS_STATE_TRANSITIONING, "transitioning" }, }; -const char *scsi_access_state_name(unsigned char state) +static const char *scsi_access_state_name(unsigned char state) { int i; char *name = NULL; @@ -107,6 +108,7 @@ const char *scsi_access_state_name(unsigned char state) } return name; } +#endif static int check_set(unsigned long long *val, char *src) { @@ -226,7 +228,7 @@ show_shost_state(struct device *dev, struct device_attribute *attr, char *buf) } /* DEVICE_ATTR(state) clashes with dev_attr_state for sdev */ -struct device_attribute dev_attr_hstate = +static struct device_attribute dev_attr_hstate = __ATTR(state, S_IRUGO | S_IWUSR, show_shost_state, store_shost_state); static ssize_t @@ -401,7 +403,7 @@ static struct attribute *scsi_sysfs_shost_attrs[] = { NULL }; -struct attribute_group scsi_shost_attr_group = { +static struct attribute_group scsi_shost_attr_group = { .attrs = scsi_sysfs_shost_attrs, }; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 5a5457ac9cdb..f52b74cf8d1e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1275,18 +1275,19 @@ static int sd_getgeo(struct block_device *bdev, struct hd_geometry *geo) struct scsi_disk *sdkp = scsi_disk(bdev->bd_disk); struct scsi_device *sdp = sdkp->device; struct Scsi_Host *host = sdp->host; + sector_t capacity = logical_to_sectors(sdp, sdkp->capacity); int diskinfo[4]; /* default to most commonly used values */ - diskinfo[0] = 0x40; /* 1 << 6 */ - diskinfo[1] = 0x20; /* 1 << 5 */ - diskinfo[2] = sdkp->capacity >> 11; - + diskinfo[0] = 0x40; /* 1 << 6 */ + diskinfo[1] = 0x20; /* 1 << 5 */ + diskinfo[2] = capacity >> 11; + /* override with calculated, extended default, or driver values */ if (host->hostt->bios_param) - host->hostt->bios_param(sdp, bdev, sdkp->capacity, diskinfo); + host->hostt->bios_param(sdp, bdev, capacity, diskinfo); else - scsicam_bios_param(bdev, sdkp->capacity, diskinfo); + scsicam_bios_param(bdev, capacity, diskinfo); geo->heads = diskinfo[0]; geo->sectors = diskinfo[1]; @@ -2337,14 +2338,6 @@ got_data: if (sdkp->capacity > 0xffffffff) sdp->use_16_for_rw = 1; - /* Rescale capacity to 512-byte units */ - if (sector_size == 4096) - sdkp->capacity <<= 3; - else if (sector_size == 2048) - sdkp->capacity <<= 2; - else if (sector_size == 1024) - sdkp->capacity <<= 1; - blk_queue_physical_block_size(sdp->request_queue, sdkp->physical_block_size); sdkp->device->sector_size = sector_size; @@ -2795,28 +2788,6 @@ static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer) sdkp->ws10 = 1; } -static int sd_try_extended_inquiry(struct scsi_device *sdp) -{ - /* Attempt VPD inquiry if the device blacklist explicitly calls - * for it. - */ - if (sdp->try_vpd_pages) - return 1; - /* - * Although VPD inquiries can go to SCSI-2 type devices, - * some USB ones crash on receiving them, and the pages - * we currently ask for are for SPC-3 and beyond - */ - if (sdp->scsi_level > SCSI_SPC_2 && !sdp->skip_vpd_pages) - return 1; - return 0; -} - -static inline u32 logical_to_sectors(struct scsi_device *sdev, u32 blocks) -{ - return blocks << (ilog2(sdev->sector_size) - 9); -} - /** * sd_revalidate_disk - called the first time a new disk is seen, * performs disk spin up, read_capacity, etc. @@ -2856,7 +2827,7 @@ static int sd_revalidate_disk(struct gendisk *disk) if (sdkp->media_present) { sd_read_capacity(sdkp, buffer); - if (sd_try_extended_inquiry(sdp)) { + if (scsi_device_supports_vpd(sdp)) { sd_read_block_provisioning(sdkp); sd_read_block_limits(sdkp); sd_read_block_characteristics(sdkp); @@ -2891,7 +2862,7 @@ static int sd_revalidate_disk(struct gendisk *disk) if (sdkp->opt_xfer_blocks && sdkp->opt_xfer_blocks <= dev_max && sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS && - sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_CACHE_SIZE) + sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_SIZE) rw_max = q->limits.io_opt = sdkp->opt_xfer_blocks * sdp->sector_size; else @@ -2900,7 +2871,7 @@ static int sd_revalidate_disk(struct gendisk *disk) /* Combine with controller limits */ q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q)); - set_capacity(disk, sdkp->capacity); + set_capacity(disk, logical_to_sectors(sdp, sdkp->capacity)); sd_config_write_same(sdkp); kfree(buffer); diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 5f2a84aff29f..654630bb7d0e 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -65,7 +65,7 @@ struct scsi_disk { struct device dev; struct gendisk *disk; atomic_t openers; - sector_t capacity; /* size in 512-byte sectors */ + sector_t capacity; /* size in logical blocks */ u32 max_xfer_blocks; u32 opt_xfer_blocks; u32 max_ws_blocks; @@ -146,6 +146,11 @@ static inline int scsi_medium_access_command(struct scsi_cmnd *scmd) return 0; } +static inline sector_t logical_to_sectors(struct scsi_device *sdev, sector_t blocks) +{ + return blocks << (ilog2(sdev->sector_size) - 9); +} + /* * A DIF-capable target device can be formatted with different * protection schemes. Currently 0 through 3 are defined: diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 71c5138ddf94..dbf1882cfbac 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -4941,7 +4941,7 @@ static int sgl_map_user_pages(struct st_buffer *STbp, out_unmap: if (res > 0) { for (j=0; j < res; j++) - page_cache_release(pages[j]); + put_page(pages[j]); res = 0; } kfree(pages); @@ -4963,7 +4963,7 @@ static int sgl_unmap_user_pages(struct st_buffer *STbp, /* FIXME: cache flush missing for rw==READ * FIXME: call the correct reference counting function */ - page_cache_release(page); + put_page(page); } kfree(STbp->mapped_pages); STbp->mapped_pages = NULL; diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index 57e781c71e67..837effe19907 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -491,13 +491,14 @@ static int scpsys_probe(struct platform_device *pdev) genpd->dev_ops.active_wakeup = scpsys_active_wakeup; /* - * With CONFIG_PM disabled turn on all domains to make the - * hardware usable. + * Initially turn on all domains to make the domains usable + * with !CONFIG_PM and to get the hardware in sync with the + * software. The unused domains will be switched off during + * late_init time. */ - if (!IS_ENABLED(CONFIG_PM)) - genpd->power_on(genpd); + genpd->power_on(genpd); - pm_genpd_init(genpd, NULL, true); + pm_genpd_init(genpd, NULL, false); } /* diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index e7a19be87c38..50769078e72e 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -211,11 +211,15 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, struct spi_transfer *transfer) { struct spi_imx_data *spi_imx = spi_master_get_devdata(master); - unsigned int bpw = transfer->bits_per_word; + unsigned int bpw; if (!master->dma_rx) return false; + if (!transfer) + return false; + + bpw = transfer->bits_per_word; if (!bpw) bpw = spi->bits_per_word; @@ -333,8 +337,9 @@ static void __maybe_unused mx51_ecspi_trigger(struct spi_imx_data *spi_imx) static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx, struct spi_imx_config *config) { - u32 ctrl = MX51_ECSPI_CTRL_ENABLE, cfg = 0; + u32 ctrl = MX51_ECSPI_CTRL_ENABLE; u32 clk = config->speed_hz, delay, reg; + u32 cfg = readl(spi_imx->base + MX51_ECSPI_CONFIG); /* * The hardware seems to have a race condition when changing modes. The @@ -358,13 +363,20 @@ static int __maybe_unused mx51_ecspi_config(struct spi_imx_data *spi_imx, if (config->mode & SPI_CPHA) cfg |= MX51_ECSPI_CONFIG_SCLKPHA(config->cs); + else + cfg &= ~MX51_ECSPI_CONFIG_SCLKPHA(config->cs); if (config->mode & SPI_CPOL) { cfg |= MX51_ECSPI_CONFIG_SCLKPOL(config->cs); cfg |= MX51_ECSPI_CONFIG_SCLKCTL(config->cs); + } else { + cfg &= ~MX51_ECSPI_CONFIG_SCLKPOL(config->cs); + cfg &= ~MX51_ECSPI_CONFIG_SCLKCTL(config->cs); } if (config->mode & SPI_CS_HIGH) cfg |= MX51_ECSPI_CONFIG_SSBPOL(config->cs); + else + cfg &= ~MX51_ECSPI_CONFIG_SSBPOL(config->cs); if (spi_imx->usedma) ctrl |= MX51_ECSPI_CTRL_SMC; diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 0caa3c8bef46..43a02e377b3b 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -423,16 +423,12 @@ static void omap2_mcspi_tx_dma(struct spi_device *spi, if (mcspi_dma->dma_tx) { struct dma_async_tx_descriptor *tx; - struct scatterlist sg; dmaengine_slave_config(mcspi_dma->dma_tx, &cfg); - sg_init_table(&sg, 1); - sg_dma_address(&sg) = xfer->tx_dma; - sg_dma_len(&sg) = xfer->len; - - tx = dmaengine_prep_slave_sg(mcspi_dma->dma_tx, &sg, 1, - DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); + tx = dmaengine_prep_slave_sg(mcspi_dma->dma_tx, xfer->tx_sg.sgl, + xfer->tx_sg.nents, DMA_MEM_TO_DEV, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (tx) { tx->callback = omap2_mcspi_tx_callback; tx->callback_param = spi; @@ -478,20 +474,15 @@ omap2_mcspi_rx_dma(struct spi_device *spi, struct spi_transfer *xfer, if (mcspi_dma->dma_rx) { struct dma_async_tx_descriptor *tx; - struct scatterlist sg; dmaengine_slave_config(mcspi_dma->dma_rx, &cfg); if ((l & OMAP2_MCSPI_CHCONF_TURBO) && mcspi->fifo_depth == 0) dma_count -= es; - sg_init_table(&sg, 1); - sg_dma_address(&sg) = xfer->rx_dma; - sg_dma_len(&sg) = dma_count; - - tx = dmaengine_prep_slave_sg(mcspi_dma->dma_rx, &sg, 1, - DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT | - DMA_CTRL_ACK); + tx = dmaengine_prep_slave_sg(mcspi_dma->dma_rx, xfer->rx_sg.sgl, + xfer->rx_sg.nents, DMA_DEV_TO_MEM, + DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (tx) { tx->callback = omap2_mcspi_rx_callback; tx->callback_param = spi; @@ -505,8 +496,6 @@ omap2_mcspi_rx_dma(struct spi_device *spi, struct spi_transfer *xfer, omap2_mcspi_set_dma_req(spi, 1, 1); wait_for_completion(&mcspi_dma->dma_rx_completion); - dma_unmap_single(mcspi->dev, xfer->rx_dma, count, - DMA_FROM_DEVICE); if (mcspi->fifo_depth > 0) return count; @@ -619,8 +608,6 @@ omap2_mcspi_txrx_dma(struct spi_device *spi, struct spi_transfer *xfer) if (tx != NULL) { wait_for_completion(&mcspi_dma->dma_tx_completion); - dma_unmap_single(mcspi->dev, xfer->tx_dma, xfer->len, - DMA_TO_DEVICE); if (mcspi->fifo_depth > 0) { irqstat_reg = mcspi->base + OMAP2_MCSPI_IRQSTATUS; @@ -1087,6 +1074,16 @@ static void omap2_mcspi_cleanup(struct spi_device *spi) gpio_free(spi->cs_gpio); } +static bool omap2_mcspi_can_dma(struct spi_master *master, + struct spi_device *spi, + struct spi_transfer *xfer) +{ + if (xfer->len < DMA_MIN_BYTES) + return false; + + return true; +} + static int omap2_mcspi_work_one(struct omap2_mcspi *mcspi, struct spi_device *spi, struct spi_transfer *t) { @@ -1268,32 +1265,6 @@ static int omap2_mcspi_transfer_one(struct spi_master *master, return -EINVAL; } - if (len < DMA_MIN_BYTES) - goto skip_dma_map; - - if (mcspi_dma->dma_tx && tx_buf != NULL) { - t->tx_dma = dma_map_single(mcspi->dev, (void *) tx_buf, - len, DMA_TO_DEVICE); - if (dma_mapping_error(mcspi->dev, t->tx_dma)) { - dev_dbg(mcspi->dev, "dma %cX %d bytes error\n", - 'T', len); - return -EINVAL; - } - } - if (mcspi_dma->dma_rx && rx_buf != NULL) { - t->rx_dma = dma_map_single(mcspi->dev, rx_buf, t->len, - DMA_FROM_DEVICE); - if (dma_mapping_error(mcspi->dev, t->rx_dma)) { - dev_dbg(mcspi->dev, "dma %cX %d bytes error\n", - 'R', len); - if (tx_buf != NULL) - dma_unmap_single(mcspi->dev, t->tx_dma, - len, DMA_TO_DEVICE); - return -EINVAL; - } - } - -skip_dma_map: return omap2_mcspi_work_one(mcspi, spi, t); } @@ -1377,6 +1348,7 @@ static int omap2_mcspi_probe(struct platform_device *pdev) master->transfer_one = omap2_mcspi_transfer_one; master->set_cs = omap2_mcspi_set_cs; master->cleanup = omap2_mcspi_cleanup; + master->can_dma = omap2_mcspi_can_dma; master->dev.of_node = node; master->max_speed_hz = OMAP2_MCSPI_MAX_FREQ; master->min_speed_hz = OMAP2_MCSPI_MAX_FREQ >> 15; diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 8f50a4020f6f..6c6c0013ec7a 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -534,7 +534,7 @@ static void rockchip_spi_config(struct rockchip_spi *rs) if (WARN_ON(rs->speed > MAX_SCLK_OUT)) rs->speed = MAX_SCLK_OUT; - /* the minimum divsor is 2 */ + /* the minimum divisor is 2 */ if (rs->max_freq < 2 * rs->speed) { clk_set_rate(rs->spiclk, 2 * rs->speed); rs->max_freq = clk_get_rate(rs->spiclk); @@ -730,23 +730,27 @@ static int rockchip_spi_probe(struct platform_device *pdev) master->transfer_one = rockchip_spi_transfer_one; master->handle_err = rockchip_spi_handle_err; - rs->dma_tx.ch = dma_request_slave_channel(rs->dev, "tx"); - if (IS_ERR_OR_NULL(rs->dma_tx.ch)) { + rs->dma_tx.ch = dma_request_chan(rs->dev, "tx"); + if (IS_ERR(rs->dma_tx.ch)) { /* Check tx to see if we need defer probing driver */ if (PTR_ERR(rs->dma_tx.ch) == -EPROBE_DEFER) { ret = -EPROBE_DEFER; goto err_get_fifo_len; } dev_warn(rs->dev, "Failed to request TX DMA channel\n"); + rs->dma_tx.ch = NULL; } - rs->dma_rx.ch = dma_request_slave_channel(rs->dev, "rx"); - if (!rs->dma_rx.ch) { - if (rs->dma_tx.ch) { + rs->dma_rx.ch = dma_request_chan(rs->dev, "rx"); + if (IS_ERR(rs->dma_rx.ch)) { + if (PTR_ERR(rs->dma_rx.ch) == -EPROBE_DEFER) { dma_release_channel(rs->dma_tx.ch); rs->dma_tx.ch = NULL; + ret = -EPROBE_DEFER; + goto err_get_fifo_len; } dev_warn(rs->dev, "Failed to request RX DMA channel\n"); + rs->dma_rx.ch = NULL; } if (rs->dma_tx.ch && rs->dma_rx.ch) { diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index de2f2f90d799..0239b45eed92 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1209,7 +1209,7 @@ static void spi_pump_messages(struct kthread_work *work) struct spi_master *master = container_of(work, struct spi_master, pump_messages); - __spi_pump_messages(master, true, false); + __spi_pump_messages(master, true, master->bus_lock_flag); } static int spi_init_queue(struct spi_master *master) @@ -2853,7 +2853,7 @@ static int __spi_sync(struct spi_device *spi, struct spi_message *message, */ int spi_sync(struct spi_device *spi, struct spi_message *message) { - return __spi_sync(spi, message, 0); + return __spi_sync(spi, message, spi->master->bus_lock_flag); } EXPORT_SYMBOL_GPL(spi_sync); diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index cf84581287b9..5bac28a3944e 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -30,6 +30,8 @@ source "drivers/staging/wlan-ng/Kconfig" source "drivers/staging/comedi/Kconfig" +source "drivers/staging/olpc_dcon/Kconfig" + source "drivers/staging/rtl8192u/Kconfig" source "drivers/staging/rtl8192e/Kconfig" diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 7d6448d20464..a954242b0f2c 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -4,6 +4,7 @@ obj-y += media/ obj-$(CONFIG_SLICOSS) += slicoss/ obj-$(CONFIG_PRISM2_USB) += wlan-ng/ obj-$(CONFIG_COMEDI) += comedi/ +obj-$(CONFIG_FB_OLPC_DCON) += olpc_dcon/ obj-$(CONFIG_RTL8192U) += rtl8192u/ obj-$(CONFIG_RTL8192E) += rtl8192e/ obj-$(CONFIG_R8712U) += rtl8712/ diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h index dab486261154..13335437c69c 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h @@ -88,7 +88,7 @@ do { \ } while (0) #ifndef LIBCFS_VMALLOC_SIZE -#define LIBCFS_VMALLOC_SIZE (2 << PAGE_CACHE_SHIFT) /* 2 pages */ +#define LIBCFS_VMALLOC_SIZE (2 << PAGE_SHIFT) /* 2 pages */ #endif #define LIBCFS_ALLOC_PRE(size, mask) \ diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h index 0f2fd79e5ec8..837eb22749c3 100644 --- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h +++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h @@ -57,7 +57,7 @@ #include "../libcfs_cpu.h" #endif -#define CFS_PAGE_MASK (~((__u64)PAGE_CACHE_SIZE-1)) +#define CFS_PAGE_MASK (~((__u64)PAGE_SIZE-1)) #define page_index(p) ((p)->index) #define memory_pressure_get() (current->flags & PF_MEMALLOC) @@ -67,7 +67,7 @@ #if BITS_PER_LONG == 32 /* limit to lowmem on 32-bit systems */ #define NUM_CACHEPAGES \ - min(totalram_pages, 1UL << (30 - PAGE_CACHE_SHIFT) * 3 / 4) + min(totalram_pages, 1UL << (30 - PAGE_SHIFT) * 3 / 4) #else #define NUM_CACHEPAGES totalram_pages #endif diff --git a/drivers/staging/lustre/include/linux/lnet/types.h b/drivers/staging/lustre/include/linux/lnet/types.h index 08f193c341c5..1c679cb72785 100644 --- a/drivers/staging/lustre/include/linux/lnet/types.h +++ b/drivers/staging/lustre/include/linux/lnet/types.h @@ -514,7 +514,7 @@ typedef struct { /** * Starting offset of the fragment within the page. Note that the * end of the fragment must not pass the end of the page; i.e., - * kiov_len + kiov_offset <= PAGE_CACHE_SIZE. + * kiov_len + kiov_offset <= PAGE_SIZE. */ unsigned int kiov_offset; } lnet_kiov_t; diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c index 3e1f24e77f64..d4ce06d0aeeb 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c @@ -291,7 +291,7 @@ ksocknal_lib_kiov_vmap(lnet_kiov_t *kiov, int niov, for (nob = i = 0; i < niov; i++) { if ((kiov[i].kiov_offset && i > 0) || - (kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_CACHE_SIZE && i < niov - 1)) + (kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_SIZE && i < niov - 1)) return NULL; pages[i] = kiov[i].kiov_page; diff --git a/drivers/staging/lustre/lnet/libcfs/debug.c b/drivers/staging/lustre/lnet/libcfs/debug.c index c90e5102fe06..c3d628bac5b8 100644 --- a/drivers/staging/lustre/lnet/libcfs/debug.c +++ b/drivers/staging/lustre/lnet/libcfs/debug.c @@ -517,7 +517,7 @@ int libcfs_debug_init(unsigned long bufsize) max = TCD_MAX_PAGES; } else { max = max / num_possible_cpus(); - max <<= (20 - PAGE_CACHE_SHIFT); + max <<= (20 - PAGE_SHIFT); } rc = cfs_tracefile_init(max); diff --git a/drivers/staging/lustre/lnet/libcfs/tracefile.c b/drivers/staging/lustre/lnet/libcfs/tracefile.c index ec3bc04bd89f..244eb89eef68 100644 --- a/drivers/staging/lustre/lnet/libcfs/tracefile.c +++ b/drivers/staging/lustre/lnet/libcfs/tracefile.c @@ -182,7 +182,7 @@ cfs_trace_get_tage_try(struct cfs_trace_cpu_data *tcd, unsigned long len) if (tcd->tcd_cur_pages > 0) { __LASSERT(!list_empty(&tcd->tcd_pages)); tage = cfs_tage_from_list(tcd->tcd_pages.prev); - if (tage->used + len <= PAGE_CACHE_SIZE) + if (tage->used + len <= PAGE_SIZE) return tage; } @@ -260,7 +260,7 @@ static struct cfs_trace_page *cfs_trace_get_tage(struct cfs_trace_cpu_data *tcd, * from here: this will lead to infinite recursion. */ - if (len > PAGE_CACHE_SIZE) { + if (len > PAGE_SIZE) { pr_err("cowardly refusing to write %lu bytes in a page\n", len); return NULL; } @@ -349,7 +349,7 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata, for (i = 0; i < 2; i++) { tage = cfs_trace_get_tage(tcd, needed + known_size + 1); if (!tage) { - if (needed + known_size > PAGE_CACHE_SIZE) + if (needed + known_size > PAGE_SIZE) mask |= D_ERROR; cfs_trace_put_tcd(tcd); @@ -360,7 +360,7 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata, string_buf = (char *)page_address(tage->page) + tage->used + known_size; - max_nob = PAGE_CACHE_SIZE - tage->used - known_size; + max_nob = PAGE_SIZE - tage->used - known_size; if (max_nob <= 0) { printk(KERN_EMERG "negative max_nob: %d\n", max_nob); @@ -424,7 +424,7 @@ int libcfs_debug_vmsg2(struct libcfs_debug_msg_data *msgdata, __LASSERT(debug_buf == string_buf); tage->used += needed; - __LASSERT(tage->used <= PAGE_CACHE_SIZE); + __LASSERT(tage->used <= PAGE_SIZE); console: if ((mask & libcfs_printk) == 0) { @@ -835,7 +835,7 @@ EXPORT_SYMBOL(cfs_trace_copyout_string); int cfs_trace_allocate_string_buffer(char **str, int nob) { - if (nob > 2 * PAGE_CACHE_SIZE) /* string must be "sensible" */ + if (nob > 2 * PAGE_SIZE) /* string must be "sensible" */ return -EINVAL; *str = kmalloc(nob, GFP_KERNEL | __GFP_ZERO); @@ -951,7 +951,7 @@ int cfs_trace_set_debug_mb(int mb) } mb /= num_possible_cpus(); - pages = mb << (20 - PAGE_CACHE_SHIFT); + pages = mb << (20 - PAGE_SHIFT); cfs_tracefile_write_lock(); @@ -977,7 +977,7 @@ int cfs_trace_get_debug_mb(void) cfs_tracefile_read_unlock(); - return (total_pages >> (20 - PAGE_CACHE_SHIFT)) + 1; + return (total_pages >> (20 - PAGE_SHIFT)) + 1; } static int tracefiled(void *arg) diff --git a/drivers/staging/lustre/lnet/libcfs/tracefile.h b/drivers/staging/lustre/lnet/libcfs/tracefile.h index 4c77f9044dd3..ac84e7f4c859 100644 --- a/drivers/staging/lustre/lnet/libcfs/tracefile.h +++ b/drivers/staging/lustre/lnet/libcfs/tracefile.h @@ -87,7 +87,7 @@ void libcfs_unregister_panic_notifier(void); extern int libcfs_panic_in_progress; int cfs_trace_max_debug_mb(void); -#define TCD_MAX_PAGES (5 << (20 - PAGE_CACHE_SHIFT)) +#define TCD_MAX_PAGES (5 << (20 - PAGE_SHIFT)) #define TCD_STOCK_PAGES (TCD_MAX_PAGES) #define CFS_TRACEFILE_SIZE (500 << 20) @@ -96,7 +96,7 @@ int cfs_trace_max_debug_mb(void); /* * Private declare for tracefile */ -#define TCD_MAX_PAGES (5 << (20 - PAGE_CACHE_SHIFT)) +#define TCD_MAX_PAGES (5 << (20 - PAGE_SHIFT)) #define TCD_STOCK_PAGES (TCD_MAX_PAGES) #define CFS_TRACEFILE_SIZE (500 << 20) @@ -257,7 +257,7 @@ do { \ do { \ __LASSERT(tage); \ __LASSERT(tage->page); \ - __LASSERT(tage->used <= PAGE_CACHE_SIZE); \ + __LASSERT(tage->used <= PAGE_SIZE); \ __LASSERT(page_count(tage->page) > 0); \ } while (0) diff --git a/drivers/staging/lustre/lnet/lnet/lib-md.c b/drivers/staging/lustre/lnet/lnet/lib-md.c index c74514f99f90..75d31217bf92 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-md.c +++ b/drivers/staging/lustre/lnet/lnet/lib-md.c @@ -139,7 +139,7 @@ lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink) for (i = 0; i < (int)niov; i++) { /* We take the page pointer on trust */ if (lmd->md_iov.kiov[i].kiov_offset + - lmd->md_iov.kiov[i].kiov_len > PAGE_CACHE_SIZE) + lmd->md_iov.kiov[i].kiov_len > PAGE_SIZE) return -EINVAL; /* invalid length */ total_length += lmd->md_iov.kiov[i].kiov_len; diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c index 0009a8de77d5..f19aa9320e34 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-move.c +++ b/drivers/staging/lustre/lnet/lnet/lib-move.c @@ -549,12 +549,12 @@ lnet_extract_kiov(int dst_niov, lnet_kiov_t *dst, if (len <= frag_len) { dst->kiov_len = len; LASSERT(dst->kiov_offset + dst->kiov_len - <= PAGE_CACHE_SIZE); + <= PAGE_SIZE); return niov; } dst->kiov_len = frag_len; - LASSERT(dst->kiov_offset + dst->kiov_len <= PAGE_CACHE_SIZE); + LASSERT(dst->kiov_offset + dst->kiov_len <= PAGE_SIZE); len -= frag_len; dst++; @@ -887,7 +887,7 @@ lnet_msg2bufpool(lnet_msg_t *msg) rbp = &the_lnet.ln_rtrpools[cpt][0]; LASSERT(msg->msg_len <= LNET_MTU); - while (msg->msg_len > (unsigned int)rbp->rbp_npages * PAGE_CACHE_SIZE) { + while (msg->msg_len > (unsigned int)rbp->rbp_npages * PAGE_SIZE) { rbp++; LASSERT(rbp < &the_lnet.ln_rtrpools[cpt][LNET_NRBPOOLS]); } diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c index cc0c2753dd63..891fd59401d7 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-socket.c +++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c @@ -166,9 +166,9 @@ lnet_ipif_enumerate(char ***namesp) nalloc = 16; /* first guess at max interfaces */ toobig = 0; for (;;) { - if (nalloc * sizeof(*ifr) > PAGE_CACHE_SIZE) { + if (nalloc * sizeof(*ifr) > PAGE_SIZE) { toobig = 1; - nalloc = PAGE_CACHE_SIZE / sizeof(*ifr); + nalloc = PAGE_SIZE / sizeof(*ifr); CWARN("Too many interfaces: only enumerating first %d\n", nalloc); } diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c index 61459cf9d58f..b01dc424c514 100644 --- a/drivers/staging/lustre/lnet/lnet/router.c +++ b/drivers/staging/lustre/lnet/lnet/router.c @@ -27,8 +27,8 @@ #define LNET_NRB_SMALL_PAGES 1 #define LNET_NRB_LARGE_MIN 256 /* min value for each CPT */ #define LNET_NRB_LARGE (LNET_NRB_LARGE_MIN * 4) -#define LNET_NRB_LARGE_PAGES ((LNET_MTU + PAGE_CACHE_SIZE - 1) >> \ - PAGE_CACHE_SHIFT) +#define LNET_NRB_LARGE_PAGES ((LNET_MTU + PAGE_SIZE - 1) >> \ + PAGE_SHIFT) static char *forwarding = ""; module_param(forwarding, charp, 0444); @@ -1338,7 +1338,7 @@ lnet_new_rtrbuf(lnet_rtrbufpool_t *rbp, int cpt) return NULL; } - rb->rb_kiov[i].kiov_len = PAGE_CACHE_SIZE; + rb->rb_kiov[i].kiov_len = PAGE_SIZE; rb->rb_kiov[i].kiov_offset = 0; rb->rb_kiov[i].kiov_page = page; } diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c index eebc92412061..dcb6e506f592 100644 --- a/drivers/staging/lustre/lnet/selftest/brw_test.c +++ b/drivers/staging/lustre/lnet/selftest/brw_test.c @@ -90,7 +90,7 @@ brw_client_init(sfw_test_instance_t *tsi) * NB: this is not going to work for variable page size, * but we have to keep it for compatibility */ - len = npg * PAGE_CACHE_SIZE; + len = npg * PAGE_SIZE; } else { test_bulk_req_v1_t *breq = &tsi->tsi_u.bulk_v1; @@ -104,7 +104,7 @@ brw_client_init(sfw_test_instance_t *tsi) opc = breq->blk_opc; flags = breq->blk_flags; len = breq->blk_len; - npg = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + npg = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; } if (npg > LNET_MAX_IOV || npg <= 0) @@ -167,13 +167,13 @@ brw_fill_page(struct page *pg, int pattern, __u64 magic) if (pattern == LST_BRW_CHECK_SIMPLE) { memcpy(addr, &magic, BRW_MSIZE); - addr += PAGE_CACHE_SIZE - BRW_MSIZE; + addr += PAGE_SIZE - BRW_MSIZE; memcpy(addr, &magic, BRW_MSIZE); return; } if (pattern == LST_BRW_CHECK_FULL) { - for (i = 0; i < PAGE_CACHE_SIZE / BRW_MSIZE; i++) + for (i = 0; i < PAGE_SIZE / BRW_MSIZE; i++) memcpy(addr + i * BRW_MSIZE, &magic, BRW_MSIZE); return; } @@ -198,7 +198,7 @@ brw_check_page(struct page *pg, int pattern, __u64 magic) if (data != magic) goto bad_data; - addr += PAGE_CACHE_SIZE - BRW_MSIZE; + addr += PAGE_SIZE - BRW_MSIZE; data = *((__u64 *)addr); if (data != magic) goto bad_data; @@ -207,7 +207,7 @@ brw_check_page(struct page *pg, int pattern, __u64 magic) } if (pattern == LST_BRW_CHECK_FULL) { - for (i = 0; i < PAGE_CACHE_SIZE / BRW_MSIZE; i++) { + for (i = 0; i < PAGE_SIZE / BRW_MSIZE; i++) { data = *(((__u64 *)addr) + i); if (data != magic) goto bad_data; @@ -278,7 +278,7 @@ brw_client_prep_rpc(sfw_test_unit_t *tsu, opc = breq->blk_opc; flags = breq->blk_flags; npg = breq->blk_npg; - len = npg * PAGE_CACHE_SIZE; + len = npg * PAGE_SIZE; } else { test_bulk_req_v1_t *breq = &tsi->tsi_u.bulk_v1; @@ -292,7 +292,7 @@ brw_client_prep_rpc(sfw_test_unit_t *tsu, opc = breq->blk_opc; flags = breq->blk_flags; len = breq->blk_len; - npg = (len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + npg = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; } rc = sfw_create_test_rpc(tsu, dest, sn->sn_features, npg, len, &rpc); @@ -463,10 +463,10 @@ brw_server_handle(struct srpc_server_rpc *rpc) reply->brw_status = EINVAL; return 0; } - npg = reqst->brw_len >> PAGE_CACHE_SHIFT; + npg = reqst->brw_len >> PAGE_SHIFT; } else { - npg = (reqst->brw_len + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + npg = (reqst->brw_len + PAGE_SIZE - 1) >> PAGE_SHIFT; } replymsg->msg_ses_feats = reqstmsg->msg_ses_feats; diff --git a/drivers/staging/lustre/lnet/selftest/conctl.c b/drivers/staging/lustre/lnet/selftest/conctl.c index 5c7cb72eac9a..79ee6c0bf7c1 100644 --- a/drivers/staging/lustre/lnet/selftest/conctl.c +++ b/drivers/staging/lustre/lnet/selftest/conctl.c @@ -743,7 +743,7 @@ static int lst_test_add_ioctl(lstio_test_args_t *args) if (args->lstio_tes_param && (args->lstio_tes_param_len <= 0 || args->lstio_tes_param_len > - PAGE_CACHE_SIZE - sizeof(lstcon_test_t))) + PAGE_SIZE - sizeof(lstcon_test_t))) return -EINVAL; LIBCFS_ALLOC(batch_name, args->lstio_tes_bat_nmlen + 1); @@ -819,7 +819,7 @@ lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_hdr *hdr) opc = data->ioc_u32[0]; - if (data->ioc_plen1 > PAGE_CACHE_SIZE) + if (data->ioc_plen1 > PAGE_SIZE) return -EINVAL; LIBCFS_ALLOC(buf, data->ioc_plen1); diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.c b/drivers/staging/lustre/lnet/selftest/conrpc.c index bcd78888f9cc..35a227d0c657 100644 --- a/drivers/staging/lustre/lnet/selftest/conrpc.c +++ b/drivers/staging/lustre/lnet/selftest/conrpc.c @@ -786,8 +786,8 @@ lstcon_bulkrpc_v0_prep(lst_test_bulk_param_t *param, srpc_test_reqst_t *req) test_bulk_req_t *brq = &req->tsr_u.bulk_v0; brq->blk_opc = param->blk_opc; - brq->blk_npg = (param->blk_size + PAGE_CACHE_SIZE - 1) / - PAGE_CACHE_SIZE; + brq->blk_npg = (param->blk_size + PAGE_SIZE - 1) / + PAGE_SIZE; brq->blk_flags = param->blk_flags; return 0; @@ -822,7 +822,7 @@ lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats, if (transop == LST_TRANS_TSBCLIADD) { npg = sfw_id_pages(test->tes_span); nob = !(feats & LST_FEAT_BULK_LEN) ? - npg * PAGE_CACHE_SIZE : + npg * PAGE_SIZE : sizeof(lnet_process_id_packed_t) * test->tes_span; } @@ -851,8 +851,8 @@ lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats, LASSERT(nob > 0); len = !(feats & LST_FEAT_BULK_LEN) ? - PAGE_CACHE_SIZE : - min_t(int, nob, PAGE_CACHE_SIZE); + PAGE_SIZE : + min_t(int, nob, PAGE_SIZE); nob -= len; bulk->bk_iovs[i].kiov_offset = 0; diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c index 926c3970c498..e2c532399366 100644 --- a/drivers/staging/lustre/lnet/selftest/framework.c +++ b/drivers/staging/lustre/lnet/selftest/framework.c @@ -1161,7 +1161,7 @@ sfw_add_test(struct srpc_server_rpc *rpc) int len; if (!(sn->sn_features & LST_FEAT_BULK_LEN)) { - len = npg * PAGE_CACHE_SIZE; + len = npg * PAGE_SIZE; } else { len = sizeof(lnet_process_id_packed_t) * diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c index 69be7d6f48fa..7d7748d96332 100644 --- a/drivers/staging/lustre/lnet/selftest/rpc.c +++ b/drivers/staging/lustre/lnet/selftest/rpc.c @@ -90,7 +90,7 @@ void srpc_set_counters(const srpc_counters_t *cnt) static int srpc_add_bulk_page(srpc_bulk_t *bk, struct page *pg, int i, int nob) { - nob = min_t(int, nob, PAGE_CACHE_SIZE); + nob = min_t(int, nob, PAGE_SIZE); LASSERT(nob > 0); LASSERT(i >= 0 && i < bk->bk_niov); diff --git a/drivers/staging/lustre/lnet/selftest/selftest.h b/drivers/staging/lustre/lnet/selftest/selftest.h index 288522d4d7b9..e689ca1846e1 100644 --- a/drivers/staging/lustre/lnet/selftest/selftest.h +++ b/drivers/staging/lustre/lnet/selftest/selftest.h @@ -390,10 +390,10 @@ typedef struct sfw_test_instance { } tsi_u; } sfw_test_instance_t; -/* XXX: trailing (PAGE_CACHE_SIZE % sizeof(lnet_process_id_t)) bytes at - * the end of pages are not used */ +/* XXX: trailing (PAGE_SIZE % sizeof(lnet_process_id_t)) bytes at the end of + * pages are not used */ #define SFW_MAX_CONCUR LST_MAX_CONCUR -#define SFW_ID_PER_PAGE (PAGE_CACHE_SIZE / sizeof(lnet_process_id_packed_t)) +#define SFW_ID_PER_PAGE (PAGE_SIZE / sizeof(lnet_process_id_packed_t)) #define SFW_MAX_NDESTS (LNET_MAX_IOV * SFW_ID_PER_PAGE) #define sfw_id_pages(n) (((n) + SFW_ID_PER_PAGE - 1) / SFW_ID_PER_PAGE) diff --git a/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h b/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h index 33e0b99e1fb4..c6c7f54637fb 100644 --- a/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h +++ b/drivers/staging/lustre/lustre/include/linux/lustre_patchless_compat.h @@ -52,7 +52,7 @@ truncate_complete_page(struct address_space *mapping, struct page *page) return; if (PagePrivate(page)) - page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE); + page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE); cancel_dirty_page(page); ClearPageMappedToDisk(page); diff --git a/drivers/staging/lustre/lustre/include/lu_object.h b/drivers/staging/lustre/lustre/include/lu_object.h index b5088b13a305..242bb1ef6245 100644 --- a/drivers/staging/lustre/lustre/include/lu_object.h +++ b/drivers/staging/lustre/lustre/include/lu_object.h @@ -1118,7 +1118,7 @@ struct lu_context_key { { \ type *value; \ \ - CLASSERT(PAGE_CACHE_SIZE >= sizeof (*value)); \ + CLASSERT(PAGE_SIZE >= sizeof (*value)); \ \ value = kzalloc(sizeof(*value), GFP_NOFS); \ if (!value) \ diff --git a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h index da8bc6eadd13..5aae1d06a5fa 100644 --- a/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h +++ b/drivers/staging/lustre/lustre/include/lustre/lustre_idl.h @@ -1022,16 +1022,16 @@ static inline int lu_dirent_size(struct lu_dirent *ent) * MDS_READPAGE page size * * This is the directory page size packed in MDS_READPAGE RPC. - * It's different than PAGE_CACHE_SIZE because the client needs to + * It's different than PAGE_SIZE because the client needs to * access the struct lu_dirpage header packed at the beginning of * the "page" and without this there isn't any way to know find the - * lu_dirpage header is if client and server PAGE_CACHE_SIZE differ. + * lu_dirpage header is if client and server PAGE_SIZE differ. */ #define LU_PAGE_SHIFT 12 #define LU_PAGE_SIZE (1UL << LU_PAGE_SHIFT) #define LU_PAGE_MASK (~(LU_PAGE_SIZE - 1)) -#define LU_PAGE_COUNT (1 << (PAGE_CACHE_SHIFT - LU_PAGE_SHIFT)) +#define LU_PAGE_COUNT (1 << (PAGE_SHIFT - LU_PAGE_SHIFT)) /** @} lu_dir */ diff --git a/drivers/staging/lustre/lustre/include/lustre_mdc.h b/drivers/staging/lustre/lustre/include/lustre_mdc.h index df94f9f3bef2..af77eb359c43 100644 --- a/drivers/staging/lustre/lustre/include/lustre_mdc.h +++ b/drivers/staging/lustre/lustre/include/lustre_mdc.h @@ -155,12 +155,12 @@ static inline void mdc_update_max_ea_from_body(struct obd_export *exp, if (cli->cl_max_mds_easize < body->max_mdsize) { cli->cl_max_mds_easize = body->max_mdsize; cli->cl_default_mds_easize = - min_t(__u32, body->max_mdsize, PAGE_CACHE_SIZE); + min_t(__u32, body->max_mdsize, PAGE_SIZE); } if (cli->cl_max_mds_cookiesize < body->max_cookiesize) { cli->cl_max_mds_cookiesize = body->max_cookiesize; cli->cl_default_mds_cookiesize = - min_t(__u32, body->max_cookiesize, PAGE_CACHE_SIZE); + min_t(__u32, body->max_cookiesize, PAGE_SIZE); } } } diff --git a/drivers/staging/lustre/lustre/include/lustre_net.h b/drivers/staging/lustre/lustre/include/lustre_net.h index 4fa1a18b7d15..69586a522eb7 100644 --- a/drivers/staging/lustre/lustre/include/lustre_net.h +++ b/drivers/staging/lustre/lustre/include/lustre_net.h @@ -99,21 +99,21 @@ */ #define PTLRPC_MAX_BRW_BITS (LNET_MTU_BITS + PTLRPC_BULK_OPS_BITS) #define PTLRPC_MAX_BRW_SIZE (1 << PTLRPC_MAX_BRW_BITS) -#define PTLRPC_MAX_BRW_PAGES (PTLRPC_MAX_BRW_SIZE >> PAGE_CACHE_SHIFT) +#define PTLRPC_MAX_BRW_PAGES (PTLRPC_MAX_BRW_SIZE >> PAGE_SHIFT) #define ONE_MB_BRW_SIZE (1 << LNET_MTU_BITS) #define MD_MAX_BRW_SIZE (1 << LNET_MTU_BITS) -#define MD_MAX_BRW_PAGES (MD_MAX_BRW_SIZE >> PAGE_CACHE_SHIFT) +#define MD_MAX_BRW_PAGES (MD_MAX_BRW_SIZE >> PAGE_SHIFT) #define DT_MAX_BRW_SIZE PTLRPC_MAX_BRW_SIZE -#define DT_MAX_BRW_PAGES (DT_MAX_BRW_SIZE >> PAGE_CACHE_SHIFT) +#define DT_MAX_BRW_PAGES (DT_MAX_BRW_SIZE >> PAGE_SHIFT) #define OFD_MAX_BRW_SIZE (1 << LNET_MTU_BITS) /* When PAGE_SIZE is a constant, we can check our arithmetic here with cpp! */ # if ((PTLRPC_MAX_BRW_PAGES & (PTLRPC_MAX_BRW_PAGES - 1)) != 0) # error "PTLRPC_MAX_BRW_PAGES isn't a power of two" # endif -# if (PTLRPC_MAX_BRW_SIZE != (PTLRPC_MAX_BRW_PAGES * PAGE_CACHE_SIZE)) -# error "PTLRPC_MAX_BRW_SIZE isn't PTLRPC_MAX_BRW_PAGES * PAGE_CACHE_SIZE" +# if (PTLRPC_MAX_BRW_SIZE != (PTLRPC_MAX_BRW_PAGES * PAGE_SIZE)) +# error "PTLRPC_MAX_BRW_SIZE isn't PTLRPC_MAX_BRW_PAGES * PAGE_SIZE" # endif # if (PTLRPC_MAX_BRW_SIZE > LNET_MTU * PTLRPC_BULK_OPS_COUNT) # error "PTLRPC_MAX_BRW_SIZE too big" diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h index 4a0f2e8b19f6..4264d97650ec 100644 --- a/drivers/staging/lustre/lustre/include/obd.h +++ b/drivers/staging/lustre/lustre/include/obd.h @@ -272,7 +272,7 @@ struct client_obd { int cl_grant_shrink_interval; /* seconds */ /* A chunk is an optimal size used by osc_extent to determine - * the extent size. A chunk is max(PAGE_CACHE_SIZE, OST block size) + * the extent size. A chunk is max(PAGE_SIZE, OST block size) */ int cl_chunkbits; int cl_chunk; @@ -1318,7 +1318,7 @@ bad_format: static inline int cli_brw_size(struct obd_device *obd) { - return obd->u.cli.cl_max_pages_per_rpc << PAGE_CACHE_SHIFT; + return obd->u.cli.cl_max_pages_per_rpc << PAGE_SHIFT; } #endif /* __OBD_H */ diff --git a/drivers/staging/lustre/lustre/include/obd_support.h b/drivers/staging/lustre/lustre/include/obd_support.h index 225262fa67b6..f8ee3a3254ba 100644 --- a/drivers/staging/lustre/lustre/include/obd_support.h +++ b/drivers/staging/lustre/lustre/include/obd_support.h @@ -500,7 +500,7 @@ extern char obd_jobid_var[]; #ifdef POISON_BULK #define POISON_PAGE(page, val) do { \ - memset(kmap(page), val, PAGE_CACHE_SIZE); \ + memset(kmap(page), val, PAGE_SIZE); \ kunmap(page); \ } while (0) #else diff --git a/drivers/staging/lustre/lustre/lclient/lcommon_cl.c b/drivers/staging/lustre/lustre/lclient/lcommon_cl.c index aced41ab93a1..96141d17d07f 100644 --- a/drivers/staging/lustre/lustre/lclient/lcommon_cl.c +++ b/drivers/staging/lustre/lustre/lclient/lcommon_cl.c @@ -758,9 +758,9 @@ int ccc_prep_size(const struct lu_env *env, struct cl_object *obj, * --bug 17336 */ loff_t size = cl_isize_read(inode); - loff_t cur_index = start >> PAGE_CACHE_SHIFT; + loff_t cur_index = start >> PAGE_SHIFT; loff_t size_index = (size - 1) >> - PAGE_CACHE_SHIFT; + PAGE_SHIFT; if ((size == 0 && cur_index != 0) || size_index < cur_index) diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c index b586d5a88d00..7dd7df59aa1f 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c @@ -307,8 +307,8 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) cli->cl_avail_grant = 0; /* FIXME: Should limit this for the sum of all cl_dirty_max. */ cli->cl_dirty_max = OSC_MAX_DIRTY_DEFAULT * 1024 * 1024; - if (cli->cl_dirty_max >> PAGE_CACHE_SHIFT > totalram_pages / 8) - cli->cl_dirty_max = totalram_pages << (PAGE_CACHE_SHIFT - 3); + if (cli->cl_dirty_max >> PAGE_SHIFT > totalram_pages / 8) + cli->cl_dirty_max = totalram_pages << (PAGE_SHIFT - 3); INIT_LIST_HEAD(&cli->cl_cache_waiters); INIT_LIST_HEAD(&cli->cl_loi_ready_list); INIT_LIST_HEAD(&cli->cl_loi_hp_ready_list); @@ -353,15 +353,15 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) * In the future this should likely be increased. LU-1431 */ cli->cl_max_pages_per_rpc = min_t(int, PTLRPC_MAX_BRW_PAGES, - LNET_MTU >> PAGE_CACHE_SHIFT); + LNET_MTU >> PAGE_SHIFT); if (!strcmp(name, LUSTRE_MDC_NAME)) { cli->cl_max_rpcs_in_flight = MDC_MAX_RIF_DEFAULT; - } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 128 /* MB */) { + } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 128 /* MB */) { cli->cl_max_rpcs_in_flight = 2; - } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 256 /* MB */) { + } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 256 /* MB */) { cli->cl_max_rpcs_in_flight = 3; - } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 512 /* MB */) { + } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 512 /* MB */) { cli->cl_max_rpcs_in_flight = 4; } else { cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT; diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c index 3e937b050203..b913ba9cf97c 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c @@ -107,7 +107,7 @@ /* * 50 ldlm locks for 1MB of RAM. */ -#define LDLM_POOL_HOST_L ((NUM_CACHEPAGES >> (20 - PAGE_CACHE_SHIFT)) * 50) +#define LDLM_POOL_HOST_L ((NUM_CACHEPAGES >> (20 - PAGE_SHIFT)) * 50) /* * Maximal possible grant step plan in %. diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c index c7904a96f9af..74e193e52cd6 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c @@ -546,7 +546,7 @@ static inline int ldlm_req_handles_avail(int req_size, int off) { int avail; - avail = min_t(int, LDLM_MAXREQSIZE, PAGE_CACHE_SIZE - 512) - req_size; + avail = min_t(int, LDLM_MAXREQSIZE, PAGE_SIZE - 512) - req_size; if (likely(avail >= 0)) avail /= (int)sizeof(struct lustre_handle); else diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 4e0a3e583330..e4c82883e580 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -134,9 +134,8 @@ * a header lu_dirpage which describes the start/end hash, and whether this * page is empty (contains no dir entry) or hash collide with next page. * After client receives reply, several pages will be integrated into dir page - * in PAGE_CACHE_SIZE (if PAGE_CACHE_SIZE greater than LU_PAGE_SIZE), and the - * lu_dirpage for this integrated page will be adjusted. See - * lmv_adjust_dirpages(). + * in PAGE_SIZE (if PAGE_SIZE greater than LU_PAGE_SIZE), and the lu_dirpage + * for this integrated page will be adjusted. See lmv_adjust_dirpages(). * */ @@ -153,7 +152,7 @@ static int ll_dir_filler(void *_hash, struct page *page0) struct page **page_pool; struct page *page; struct lu_dirpage *dp; - int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_CACHE_SHIFT; + int max_pages = ll_i2sbi(inode)->ll_md_brw_size >> PAGE_SHIFT; int nrdpgs = 0; /* number of pages read actually */ int npages; int i; @@ -193,8 +192,8 @@ static int ll_dir_filler(void *_hash, struct page *page0) if (body->valid & OBD_MD_FLSIZE) cl_isize_write(inode, body->size); - nrdpgs = (request->rq_bulk->bd_nob_transferred+PAGE_CACHE_SIZE-1) - >> PAGE_CACHE_SHIFT; + nrdpgs = (request->rq_bulk->bd_nob_transferred+PAGE_SIZE-1) + >> PAGE_SHIFT; SetPageUptodate(page0); } unlock_page(page0); @@ -209,7 +208,7 @@ static int ll_dir_filler(void *_hash, struct page *page0) page = page_pool[i]; if (rc < 0 || i >= nrdpgs) { - page_cache_release(page); + put_page(page); continue; } @@ -230,7 +229,7 @@ static int ll_dir_filler(void *_hash, struct page *page0) CDEBUG(D_VFSTRACE, "page %lu add to page cache failed: %d\n", offset, ret); } - page_cache_release(page); + put_page(page); } if (page_pool != &page0) @@ -247,7 +246,7 @@ void ll_release_page(struct page *page, int remove) truncate_complete_page(page->mapping, page); unlock_page(page); } - page_cache_release(page); + put_page(page); } /* @@ -273,7 +272,7 @@ static struct page *ll_dir_page_locate(struct inode *dir, __u64 *hash, if (found > 0 && !radix_tree_exceptional_entry(page)) { struct lu_dirpage *dp; - page_cache_get(page); + get_page(page); spin_unlock_irq(&mapping->tree_lock); /* * In contrast to find_lock_page() we are sure that directory @@ -313,7 +312,7 @@ static struct page *ll_dir_page_locate(struct inode *dir, __u64 *hash, page = NULL; } } else { - page_cache_release(page); + put_page(page); page = ERR_PTR(-EIO); } @@ -1507,7 +1506,7 @@ skip_lmm: st.st_gid = body->gid; st.st_rdev = body->rdev; st.st_size = body->size; - st.st_blksize = PAGE_CACHE_SIZE; + st.st_blksize = PAGE_SIZE; st.st_blocks = body->blocks; st.st_atime = body->atime; st.st_mtime = body->mtime; diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h index 3e1572cb457b..e3c0f1dd4d31 100644 --- a/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -310,10 +310,10 @@ static inline struct ll_inode_info *ll_i2info(struct inode *inode) /* default to about 40meg of readahead on a given system. That much tied * up in 512k readahead requests serviced at 40ms each is about 1GB/s. */ -#define SBI_DEFAULT_READAHEAD_MAX (40UL << (20 - PAGE_CACHE_SHIFT)) +#define SBI_DEFAULT_READAHEAD_MAX (40UL << (20 - PAGE_SHIFT)) /* default to read-ahead full files smaller than 2MB on the second read */ -#define SBI_DEFAULT_READAHEAD_WHOLE_MAX (2UL << (20 - PAGE_CACHE_SHIFT)) +#define SBI_DEFAULT_READAHEAD_WHOLE_MAX (2UL << (20 - PAGE_SHIFT)) enum ra_stat { RA_STAT_HIT = 0, @@ -975,13 +975,13 @@ struct vm_area_struct *our_vma(struct mm_struct *mm, unsigned long addr, static inline void ll_invalidate_page(struct page *vmpage) { struct address_space *mapping = vmpage->mapping; - loff_t offset = vmpage->index << PAGE_CACHE_SHIFT; + loff_t offset = vmpage->index << PAGE_SHIFT; LASSERT(PageLocked(vmpage)); if (!mapping) return; - ll_teardown_mmaps(mapping, offset, offset + PAGE_CACHE_SIZE); + ll_teardown_mmaps(mapping, offset, offset + PAGE_SIZE); truncate_complete_page(mapping, vmpage); } diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 6d6bb33e3655..b57a992688a8 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -85,7 +85,7 @@ static struct ll_sb_info *ll_init_sbi(struct super_block *sb) si_meminfo(&si); pages = si.totalram - si.totalhigh; - if (pages >> (20 - PAGE_CACHE_SHIFT) < 512) + if (pages >> (20 - PAGE_SHIFT) < 512) lru_page_max = pages / 2; else lru_page_max = (pages / 4) * 3; @@ -272,12 +272,12 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, valid != CLIENT_CONNECT_MDT_REQD) { char *buf; - buf = kzalloc(PAGE_CACHE_SIZE, GFP_KERNEL); + buf = kzalloc(PAGE_SIZE, GFP_KERNEL); if (!buf) { err = -ENOMEM; goto out_md_fid; } - obd_connect_flags2str(buf, PAGE_CACHE_SIZE, + obd_connect_flags2str(buf, PAGE_SIZE, valid ^ CLIENT_CONNECT_MDT_REQD, ","); LCONSOLE_ERROR_MSG(0x170, "Server %s does not support feature(s) needed for correct operation of this client (%s). Please upgrade server or downgrade client.\n", sbi->ll_md_exp->exp_obd->obd_name, buf); @@ -335,7 +335,7 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) sbi->ll_md_brw_size = data->ocd_brw_size; else - sbi->ll_md_brw_size = PAGE_CACHE_SIZE; + sbi->ll_md_brw_size = PAGE_SIZE; if (data->ocd_connect_flags & OBD_CONNECT_LAYOUTLOCK) { LCONSOLE_INFO("Layout lock feature supported.\n"); diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index 69445a9f2011..5b484e62ffd0 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -58,7 +58,7 @@ void policy_from_vma(ldlm_policy_data_t *policy, size_t count) { policy->l_extent.start = ((addr - vma->vm_start) & CFS_PAGE_MASK) + - (vma->vm_pgoff << PAGE_CACHE_SHIFT); + (vma->vm_pgoff << PAGE_SHIFT); policy->l_extent.end = (policy->l_extent.start + count - 1) | ~CFS_PAGE_MASK; } @@ -321,7 +321,7 @@ static int ll_fault0(struct vm_area_struct *vma, struct vm_fault *vmf) vmpage = vio->u.fault.ft_vmpage; if (result != 0 && vmpage) { - page_cache_release(vmpage); + put_page(vmpage); vmf->page = NULL; } } @@ -360,7 +360,7 @@ restart: lock_page(vmpage); if (unlikely(!vmpage->mapping)) { /* unlucky */ unlock_page(vmpage); - page_cache_release(vmpage); + put_page(vmpage); vmf->page = NULL; if (!printed && ++count > 16) { @@ -457,7 +457,7 @@ int ll_teardown_mmaps(struct address_space *mapping, __u64 first, __u64 last) LASSERTF(last > first, "last %llu first %llu\n", last, first); if (mapping_mapped(mapping)) { rc = 0; - unmap_mapping_range(mapping, first + PAGE_CACHE_SIZE - 1, + unmap_mapping_range(mapping, first + PAGE_SIZE - 1, last - first + 1, 0); } diff --git a/drivers/staging/lustre/lustre/llite/lloop.c b/drivers/staging/lustre/lustre/llite/lloop.c index b725fc16cf49..f169c0db63b4 100644 --- a/drivers/staging/lustre/lustre/llite/lloop.c +++ b/drivers/staging/lustre/lustre/llite/lloop.c @@ -218,7 +218,7 @@ static int do_bio_lustrebacked(struct lloop_device *lo, struct bio *head) offset = (pgoff_t)(bio->bi_iter.bi_sector << 9) + lo->lo_offset; bio_for_each_segment(bvec, bio, iter) { BUG_ON(bvec.bv_offset != 0); - BUG_ON(bvec.bv_len != PAGE_CACHE_SIZE); + BUG_ON(bvec.bv_len != PAGE_SIZE); pages[page_count] = bvec.bv_page; offsets[page_count] = offset; @@ -232,7 +232,7 @@ static int do_bio_lustrebacked(struct lloop_device *lo, struct bio *head) (rw == WRITE) ? LPROC_LL_BRW_WRITE : LPROC_LL_BRW_READ, page_count); - pvec->ldp_size = page_count << PAGE_CACHE_SHIFT; + pvec->ldp_size = page_count << PAGE_SHIFT; pvec->ldp_nr = page_count; /* FIXME: in ll_direct_rw_pages, it has to allocate many cl_page{}s to @@ -507,7 +507,7 @@ static int loop_set_fd(struct lloop_device *lo, struct file *unused, set_device_ro(bdev, (lo_flags & LO_FLAGS_READ_ONLY) != 0); - lo->lo_blocksize = PAGE_CACHE_SIZE; + lo->lo_blocksize = PAGE_SIZE; lo->lo_device = bdev; lo->lo_flags = lo_flags; lo->lo_backing_file = file; @@ -525,11 +525,11 @@ static int loop_set_fd(struct lloop_device *lo, struct file *unused, lo->lo_queue->queuedata = lo; /* queue parameters */ - CLASSERT(PAGE_CACHE_SIZE < (1 << (sizeof(unsigned short) * 8))); + CLASSERT(PAGE_SIZE < (1 << (sizeof(unsigned short) * 8))); blk_queue_logical_block_size(lo->lo_queue, - (unsigned short)PAGE_CACHE_SIZE); + (unsigned short)PAGE_SIZE); blk_queue_max_hw_sectors(lo->lo_queue, - LLOOP_MAX_SEGMENTS << (PAGE_CACHE_SHIFT - 9)); + LLOOP_MAX_SEGMENTS << (PAGE_SHIFT - 9)); blk_queue_max_segments(lo->lo_queue, LLOOP_MAX_SEGMENTS); set_capacity(disks[lo->lo_number], size); diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index 45941a6600fe..27ab1261400e 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -233,7 +233,7 @@ static ssize_t max_read_ahead_mb_show(struct kobject *kobj, pages_number = sbi->ll_ra_info.ra_max_pages; spin_unlock(&sbi->ll_lock); - mult = 1 << (20 - PAGE_CACHE_SHIFT); + mult = 1 << (20 - PAGE_SHIFT); return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult); } @@ -251,12 +251,12 @@ static ssize_t max_read_ahead_mb_store(struct kobject *kobj, if (rc) return rc; - pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */ + pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */ if (pages_number > totalram_pages / 2) { CERROR("can't set file readahead more than %lu MB\n", - totalram_pages >> (20 - PAGE_CACHE_SHIFT + 1)); /*1/2 of RAM*/ + totalram_pages >> (20 - PAGE_SHIFT + 1)); /*1/2 of RAM*/ return -ERANGE; } @@ -281,7 +281,7 @@ static ssize_t max_read_ahead_per_file_mb_show(struct kobject *kobj, pages_number = sbi->ll_ra_info.ra_max_pages_per_file; spin_unlock(&sbi->ll_lock); - mult = 1 << (20 - PAGE_CACHE_SHIFT); + mult = 1 << (20 - PAGE_SHIFT); return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult); } @@ -326,7 +326,7 @@ static ssize_t max_read_ahead_whole_mb_show(struct kobject *kobj, pages_number = sbi->ll_ra_info.ra_max_read_ahead_whole_pages; spin_unlock(&sbi->ll_lock); - mult = 1 << (20 - PAGE_CACHE_SHIFT); + mult = 1 << (20 - PAGE_SHIFT); return lprocfs_read_frac_helper(buf, PAGE_SIZE, pages_number, mult); } @@ -349,7 +349,7 @@ static ssize_t max_read_ahead_whole_mb_store(struct kobject *kobj, */ if (pages_number > sbi->ll_ra_info.ra_max_pages_per_file) { CERROR("can't set max_read_ahead_whole_mb more than max_read_ahead_per_file_mb: %lu\n", - sbi->ll_ra_info.ra_max_pages_per_file >> (20 - PAGE_CACHE_SHIFT)); + sbi->ll_ra_info.ra_max_pages_per_file >> (20 - PAGE_SHIFT)); return -ERANGE; } @@ -366,7 +366,7 @@ static int ll_max_cached_mb_seq_show(struct seq_file *m, void *v) struct super_block *sb = m->private; struct ll_sb_info *sbi = ll_s2sbi(sb); struct cl_client_cache *cache = &sbi->ll_cache; - int shift = 20 - PAGE_CACHE_SHIFT; + int shift = 20 - PAGE_SHIFT; int max_cached_mb; int unused_mb; @@ -405,7 +405,7 @@ static ssize_t ll_max_cached_mb_seq_write(struct file *file, return -EFAULT; kernbuf[count] = 0; - mult = 1 << (20 - PAGE_CACHE_SHIFT); + mult = 1 << (20 - PAGE_SHIFT); buffer += lprocfs_find_named_value(kernbuf, "max_cached_mb:", &count) - kernbuf; rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); @@ -415,7 +415,7 @@ static ssize_t ll_max_cached_mb_seq_write(struct file *file, if (pages_number < 0 || pages_number > totalram_pages) { CERROR("%s: can't set max cache more than %lu MB\n", ll_get_fsname(sb, NULL, 0), - totalram_pages >> (20 - PAGE_CACHE_SHIFT)); + totalram_pages >> (20 - PAGE_SHIFT)); return -ERANGE; } diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c index 34614acf3f8e..edab6c5b7e50 100644 --- a/drivers/staging/lustre/lustre/llite/rw.c +++ b/drivers/staging/lustre/lustre/llite/rw.c @@ -146,10 +146,10 @@ static struct ll_cl_context *ll_cl_init(struct file *file, */ io->ci_lockreq = CILR_NEVER; - pos = vmpage->index << PAGE_CACHE_SHIFT; + pos = vmpage->index << PAGE_SHIFT; /* Create a temp IO to serve write. */ - result = cl_io_rw_init(env, io, CIT_WRITE, pos, PAGE_CACHE_SIZE); + result = cl_io_rw_init(env, io, CIT_WRITE, pos, PAGE_SIZE); if (result == 0) { cio->cui_fd = LUSTRE_FPRIVATE(file); cio->cui_iter = NULL; @@ -498,7 +498,7 @@ static int ll_read_ahead_page(const struct lu_env *env, struct cl_io *io, } if (rc != 1) unlock_page(vmpage); - page_cache_release(vmpage); + put_page(vmpage); } else { which = RA_STAT_FAILED_GRAB_PAGE; msg = "g_c_p_n failed"; @@ -521,13 +521,13 @@ static int ll_read_ahead_page(const struct lu_env *env, struct cl_io *io, * striped over, rather than having a constant value for all files here. */ -/* RAS_INCREASE_STEP should be (1UL << (inode->i_blkbits - PAGE_CACHE_SHIFT)). +/* RAS_INCREASE_STEP should be (1UL << (inode->i_blkbits - PAGE_SHIFT)). * Temporarily set RAS_INCREASE_STEP to 1MB. After 4MB RPC is enabled * by default, this should be adjusted corresponding with max_read_ahead_mb * and max_read_ahead_per_file_mb otherwise the readahead budget can be used * up quickly which will affect read performance significantly. See LU-2816 */ -#define RAS_INCREASE_STEP(inode) (ONE_MB_BRW_SIZE >> PAGE_CACHE_SHIFT) +#define RAS_INCREASE_STEP(inode) (ONE_MB_BRW_SIZE >> PAGE_SHIFT) static inline int stride_io_mode(struct ll_readahead_state *ras) { @@ -739,7 +739,7 @@ int ll_readahead(const struct lu_env *env, struct cl_io *io, end = rpc_boundary; /* Truncate RA window to end of file */ - end = min(end, (unsigned long)((kms - 1) >> PAGE_CACHE_SHIFT)); + end = min(end, (unsigned long)((kms - 1) >> PAGE_SHIFT)); ras->ras_next_readahead = max(end, end + 1); RAS_CDEBUG(ras); @@ -776,7 +776,7 @@ int ll_readahead(const struct lu_env *env, struct cl_io *io, if (reserved != 0) ll_ra_count_put(ll_i2sbi(inode), reserved); - if (ra_end == end + 1 && ra_end == (kms >> PAGE_CACHE_SHIFT)) + if (ra_end == end + 1 && ra_end == (kms >> PAGE_SHIFT)) ll_ra_stats_inc(mapping, RA_STAT_EOF); /* if we didn't get to the end of the region we reserved from @@ -985,8 +985,8 @@ void ras_update(struct ll_sb_info *sbi, struct inode *inode, if (ras->ras_requests == 2 && !ras->ras_request_index) { __u64 kms_pages; - kms_pages = (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> - PAGE_CACHE_SHIFT; + kms_pages = (i_size_read(inode) + PAGE_SIZE - 1) >> + PAGE_SHIFT; CDEBUG(D_READA, "kmsp %llu mwp %lu mp %lu\n", kms_pages, ra->ra_max_read_ahead_whole_pages, ra->ra_max_pages_per_file); @@ -1173,7 +1173,7 @@ int ll_writepage(struct page *vmpage, struct writeback_control *wbc) * PageWriteback or clean the page. */ result = cl_sync_file_range(inode, offset, - offset + PAGE_CACHE_SIZE - 1, + offset + PAGE_SIZE - 1, CL_FSYNC_LOCAL, 1); if (result > 0) { /* actually we may have written more than one page. @@ -1211,7 +1211,7 @@ int ll_writepages(struct address_space *mapping, struct writeback_control *wbc) int ignore_layout = 0; if (wbc->range_cyclic) { - start = mapping->writeback_index << PAGE_CACHE_SHIFT; + start = mapping->writeback_index << PAGE_SHIFT; end = OBD_OBJECT_EOF; } else { start = wbc->range_start; @@ -1241,7 +1241,7 @@ int ll_writepages(struct address_space *mapping, struct writeback_control *wbc) if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) { if (end == OBD_OBJECT_EOF) end = i_size_read(inode); - mapping->writeback_index = (end >> PAGE_CACHE_SHIFT) + 1; + mapping->writeback_index = (end >> PAGE_SHIFT) + 1; } return result; } diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c index 7a5db67bc680..69aa15e8e3ef 100644 --- a/drivers/staging/lustre/lustre/llite/rw26.c +++ b/drivers/staging/lustre/lustre/llite/rw26.c @@ -87,7 +87,7 @@ static void ll_invalidatepage(struct page *vmpage, unsigned int offset, * below because they are run with page locked and all our io is * happening with locked page too */ - if (offset == 0 && length == PAGE_CACHE_SIZE) { + if (offset == 0 && length == PAGE_SIZE) { env = cl_env_get(&refcheck); if (!IS_ERR(env)) { inode = vmpage->mapping->host; @@ -193,8 +193,8 @@ static inline int ll_get_user_pages(int rw, unsigned long user_addr, return -EFBIG; } - *max_pages = (user_addr + size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - *max_pages -= user_addr >> PAGE_CACHE_SHIFT; + *max_pages = (user_addr + size + PAGE_SIZE - 1) >> PAGE_SHIFT; + *max_pages -= user_addr >> PAGE_SHIFT; *pages = libcfs_kvzalloc(*max_pages * sizeof(**pages), GFP_NOFS); if (*pages) { @@ -217,7 +217,7 @@ static void ll_free_user_pages(struct page **pages, int npages, int do_dirty) for (i = 0; i < npages; i++) { if (do_dirty) set_page_dirty_lock(pages[i]); - page_cache_release(pages[i]); + put_page(pages[i]); } kvfree(pages); } @@ -357,7 +357,7 @@ static ssize_t ll_direct_IO_26_seg(const struct lu_env *env, struct cl_io *io, * up to 22MB for 128kB kmalloc and up to 682MB for 4MB kmalloc. */ #define MAX_DIO_SIZE ((KMALLOC_MAX_SIZE / sizeof(struct brw_page) * \ - PAGE_CACHE_SIZE) & ~(DT_MAX_BRW_SIZE - 1)) + PAGE_SIZE) & ~(DT_MAX_BRW_SIZE - 1)) static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter, loff_t file_offset) { @@ -382,8 +382,8 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter, CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p), size=%zd (max %lu), offset=%lld=%llx, pages %zd (max %lu)\n", inode->i_ino, inode->i_generation, inode, count, MAX_DIO_SIZE, - file_offset, file_offset, count >> PAGE_CACHE_SHIFT, - MAX_DIO_SIZE >> PAGE_CACHE_SHIFT); + file_offset, file_offset, count >> PAGE_SHIFT, + MAX_DIO_SIZE >> PAGE_SHIFT); /* Check that all user buffers are aligned as well */ if (iov_iter_alignment(iter) & ~CFS_PAGE_MASK) @@ -432,8 +432,8 @@ static ssize_t ll_direct_IO_26(struct kiocb *iocb, struct iov_iter *iter, * page worth of page pointers = 4MB on i386. */ if (result == -ENOMEM && - size > (PAGE_CACHE_SIZE / sizeof(*pages)) * - PAGE_CACHE_SIZE) { + size > (PAGE_SIZE / sizeof(*pages)) * + PAGE_SIZE) { size = ((((size / 2) - 1) | ~CFS_PAGE_MASK) + 1) & CFS_PAGE_MASK; @@ -474,10 +474,10 @@ static int ll_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { - pgoff_t index = pos >> PAGE_CACHE_SHIFT; + pgoff_t index = pos >> PAGE_SHIFT; struct page *page; int rc; - unsigned from = pos & (PAGE_CACHE_SIZE - 1); + unsigned from = pos & (PAGE_SIZE - 1); page = grab_cache_page_write_begin(mapping, index, flags); if (!page) @@ -488,7 +488,7 @@ static int ll_write_begin(struct file *file, struct address_space *mapping, rc = ll_prepare_write(file, page, from, from + len); if (rc) { unlock_page(page); - page_cache_release(page); + put_page(page); } return rc; } @@ -497,12 +497,12 @@ static int ll_write_end(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata) { - unsigned from = pos & (PAGE_CACHE_SIZE - 1); + unsigned from = pos & (PAGE_SIZE - 1); int rc; rc = ll_commit_write(file, page, from, from + copied); unlock_page(page); - page_cache_release(page); + put_page(page); return rc ?: copied; } diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c index fb0c26ee7ff3..85a835976174 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_io.c +++ b/drivers/staging/lustre/lustre/llite/vvp_io.c @@ -512,9 +512,9 @@ static int vvp_io_read_start(const struct lu_env *env, vio->cui_ra_window_set = 1; bead->lrr_start = cl_index(obj, pos); /* - * XXX: explicit PAGE_CACHE_SIZE + * XXX: explicit PAGE_SIZE */ - bead->lrr_count = cl_index(obj, tot + PAGE_CACHE_SIZE - 1); + bead->lrr_count = cl_index(obj, tot + PAGE_SIZE - 1); ll_ra_read_in(file, bead); } @@ -959,7 +959,7 @@ static int vvp_io_prepare_write(const struct lu_env *env, * We're completely overwriting an existing page, so _don't_ * set it up to date until commit_write */ - if (from == 0 && to == PAGE_CACHE_SIZE) { + if (from == 0 && to == PAGE_SIZE) { CL_PAGE_HEADER(D_PAGE, env, pg, "full page write\n"); POISON_PAGE(page, 0x11); } else @@ -1022,7 +1022,7 @@ static int vvp_io_commit_write(const struct lu_env *env, set_page_dirty(vmpage); vvp_write_pending(cl2ccc(obj), cp); } else if (result == -EDQUOT) { - pgoff_t last_index = i_size_read(inode) >> PAGE_CACHE_SHIFT; + pgoff_t last_index = i_size_read(inode) >> PAGE_SHIFT; bool need_clip = true; /* @@ -1040,7 +1040,7 @@ static int vvp_io_commit_write(const struct lu_env *env, * being. */ if (last_index > pg->cp_index) { - to = PAGE_CACHE_SIZE; + to = PAGE_SIZE; need_clip = false; } else if (last_index == pg->cp_index) { int size_to = i_size_read(inode) & ~CFS_PAGE_MASK; diff --git a/drivers/staging/lustre/lustre/llite/vvp_page.c b/drivers/staging/lustre/lustre/llite/vvp_page.c index 850bae734075..33ca3eb34965 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_page.c +++ b/drivers/staging/lustre/lustre/llite/vvp_page.c @@ -57,7 +57,7 @@ static void vvp_page_fini_common(struct ccc_page *cp) struct page *vmpage = cp->cpg_page; LASSERT(vmpage); - page_cache_release(vmpage); + put_page(vmpage); } static void vvp_page_fini(const struct lu_env *env, @@ -164,12 +164,12 @@ static int vvp_page_unmap(const struct lu_env *env, LASSERT(vmpage); LASSERT(PageLocked(vmpage)); - offset = vmpage->index << PAGE_CACHE_SHIFT; + offset = vmpage->index << PAGE_SHIFT; /* * XXX is it safe to call this with the page lock held? */ - ll_teardown_mmaps(vmpage->mapping, offset, offset + PAGE_CACHE_SIZE); + ll_teardown_mmaps(vmpage->mapping, offset, offset + PAGE_SIZE); return 0; } @@ -537,7 +537,7 @@ int vvp_page_init(const struct lu_env *env, struct cl_object *obj, CLOBINVRNT(env, obj, ccc_object_invariant(obj)); cpg->cpg_page = vmpage; - page_cache_get(vmpage); + get_page(vmpage); INIT_LIST_HEAD(&cpg->cpg_pending_linkage); if (page->cp_type == CPT_CACHEABLE) { diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index 0f776cf8a5aa..9abb7c2b9231 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -2017,7 +2017,7 @@ static int lmv_sync(struct obd_export *exp, const struct lu_fid *fid, * |s|e|f|p|ent| 0 | ... | 0 | * '----------------- -----' * - * However, on hosts where the native VM page size (PAGE_CACHE_SIZE) is + * However, on hosts where the native VM page size (PAGE_SIZE) is * larger than LU_PAGE_SIZE, a single host page may contain multiple * lu_dirpages. After reading the lu_dirpages from the MDS, the * ldp_hash_end of the first lu_dirpage refers to the one immediately @@ -2048,7 +2048,7 @@ static int lmv_sync(struct obd_export *exp, const struct lu_fid *fid, * - Adjust the lde_reclen of the ending entry of each lu_dirpage to span * to the first entry of the next lu_dirpage. */ -#if PAGE_CACHE_SIZE > LU_PAGE_SIZE +#if PAGE_SIZE > LU_PAGE_SIZE static void lmv_adjust_dirpages(struct page **pages, int ncfspgs, int nlupgs) { int i; @@ -2101,7 +2101,7 @@ static void lmv_adjust_dirpages(struct page **pages, int ncfspgs, int nlupgs) } #else #define lmv_adjust_dirpages(pages, ncfspgs, nlupgs) do {} while (0) -#endif /* PAGE_CACHE_SIZE > LU_PAGE_SIZE */ +#endif /* PAGE_SIZE > LU_PAGE_SIZE */ static int lmv_readpage(struct obd_export *exp, struct md_op_data *op_data, struct page **pages, struct ptlrpc_request **request) @@ -2110,7 +2110,7 @@ static int lmv_readpage(struct obd_export *exp, struct md_op_data *op_data, struct lmv_obd *lmv = &obd->u.lmv; __u64 offset = op_data->op_offset; int rc; - int ncfspgs; /* pages read in PAGE_CACHE_SIZE */ + int ncfspgs; /* pages read in PAGE_SIZE */ int nlupgs; /* pages read in LU_PAGE_SIZE */ struct lmv_tgt_desc *tgt; @@ -2129,8 +2129,8 @@ static int lmv_readpage(struct obd_export *exp, struct md_op_data *op_data, if (rc != 0) return rc; - ncfspgs = ((*request)->rq_bulk->bd_nob_transferred + PAGE_CACHE_SIZE - 1) - >> PAGE_CACHE_SHIFT; + ncfspgs = ((*request)->rq_bulk->bd_nob_transferred + PAGE_SIZE - 1) + >> PAGE_SHIFT; nlupgs = (*request)->rq_bulk->bd_nob_transferred >> LU_PAGE_SHIFT; LASSERT(!((*request)->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK)); LASSERT(ncfspgs > 0 && ncfspgs <= op_data->op_npages); diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c index 55dd8ef9525b..b91d3ff18b02 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_request.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c @@ -1002,10 +1002,10 @@ restart_bulk: /* NB req now owns desc and will free it when it gets freed */ for (i = 0; i < op_data->op_npages; i++) - ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_CACHE_SIZE); + ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_SIZE); mdc_readdir_pack(req, op_data->op_offset, - PAGE_CACHE_SIZE * op_data->op_npages, + PAGE_SIZE * op_data->op_npages, &op_data->op_fid1); ptlrpc_request_set_replen(req); @@ -1037,7 +1037,7 @@ restart_bulk: if (req->rq_bulk->bd_nob_transferred & ~LU_PAGE_MASK) { CERROR("Unexpected # bytes transferred: %d (%ld expected)\n", req->rq_bulk->bd_nob_transferred, - PAGE_CACHE_SIZE * op_data->op_npages); + PAGE_SIZE * op_data->op_npages); ptlrpc_req_finished(req); return -EPROTO; } diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c index b7dc87248032..3924b095bfb0 100644 --- a/drivers/staging/lustre/lustre/mgc/mgc_request.c +++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c @@ -1113,7 +1113,7 @@ static int mgc_import_event(struct obd_device *obd, } enum { - CONFIG_READ_NRPAGES_INIT = 1 << (20 - PAGE_CACHE_SHIFT), + CONFIG_READ_NRPAGES_INIT = 1 << (20 - PAGE_SHIFT), CONFIG_READ_NRPAGES = 4 }; @@ -1137,19 +1137,19 @@ static int mgc_apply_recover_logs(struct obd_device *mgc, LASSERT(cfg->cfg_instance); LASSERT(cfg->cfg_sb == cfg->cfg_instance); - inst = kzalloc(PAGE_CACHE_SIZE, GFP_KERNEL); + inst = kzalloc(PAGE_SIZE, GFP_KERNEL); if (!inst) return -ENOMEM; - pos = snprintf(inst, PAGE_CACHE_SIZE, "%p", cfg->cfg_instance); - if (pos >= PAGE_CACHE_SIZE) { + pos = snprintf(inst, PAGE_SIZE, "%p", cfg->cfg_instance); + if (pos >= PAGE_SIZE) { kfree(inst); return -E2BIG; } ++pos; buf = inst + pos; - bufsz = PAGE_CACHE_SIZE - pos; + bufsz = PAGE_SIZE - pos; while (datalen > 0) { int entry_len = sizeof(*entry); @@ -1181,7 +1181,7 @@ static int mgc_apply_recover_logs(struct obd_device *mgc, /* Keep this swab for normal mixed endian handling. LU-1644 */ if (mne_swab) lustre_swab_mgs_nidtbl_entry(entry); - if (entry->mne_length > PAGE_CACHE_SIZE) { + if (entry->mne_length > PAGE_SIZE) { CERROR("MNE too large (%u)\n", entry->mne_length); break; } @@ -1371,7 +1371,7 @@ again: } body->mcb_offset = cfg->cfg_last_idx + 1; body->mcb_type = cld->cld_type; - body->mcb_bits = PAGE_CACHE_SHIFT; + body->mcb_bits = PAGE_SHIFT; body->mcb_units = nrpages; /* allocate bulk transfer descriptor */ @@ -1383,7 +1383,7 @@ again: } for (i = 0; i < nrpages; i++) - ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_CACHE_SIZE); + ptlrpc_prep_bulk_page_pin(desc, pages[i], 0, PAGE_SIZE); ptlrpc_request_set_replen(req); rc = ptlrpc_queue_wait(req); @@ -1411,7 +1411,7 @@ again: goto out; } - if (ealen > nrpages << PAGE_CACHE_SHIFT) { + if (ealen > nrpages << PAGE_SHIFT) { rc = -EINVAL; goto out; } @@ -1439,7 +1439,7 @@ again: ptr = kmap(pages[i]); rc2 = mgc_apply_recover_logs(obd, cld, res->mcr_offset, ptr, - min_t(int, ealen, PAGE_CACHE_SIZE), + min_t(int, ealen, PAGE_SIZE), mne_swab); kunmap(pages[i]); if (rc2 < 0) { @@ -1448,7 +1448,7 @@ again: break; } - ealen -= PAGE_CACHE_SIZE; + ealen -= PAGE_SIZE; } out: diff --git a/drivers/staging/lustre/lustre/obdclass/cl_page.c b/drivers/staging/lustre/lustre/obdclass/cl_page.c index 231a2f26c693..394580016638 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_page.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_page.c @@ -1477,7 +1477,7 @@ loff_t cl_offset(const struct cl_object *obj, pgoff_t idx) /* * XXX for now. */ - return (loff_t)idx << PAGE_CACHE_SHIFT; + return (loff_t)idx << PAGE_SHIFT; } EXPORT_SYMBOL(cl_offset); @@ -1489,13 +1489,13 @@ pgoff_t cl_index(const struct cl_object *obj, loff_t offset) /* * XXX for now. */ - return offset >> PAGE_CACHE_SHIFT; + return offset >> PAGE_SHIFT; } EXPORT_SYMBOL(cl_index); int cl_page_size(const struct cl_object *obj) { - return 1 << PAGE_CACHE_SHIFT; + return 1 << PAGE_SHIFT; } EXPORT_SYMBOL(cl_page_size); diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c index 1a938e1376f9..c2cf015962dd 100644 --- a/drivers/staging/lustre/lustre/obdclass/class_obd.c +++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c @@ -461,9 +461,9 @@ static int obd_init_checks(void) CWARN("LPD64 wrong length! strlen(%s)=%d != 2\n", buf, len); ret = -EINVAL; } - if ((u64val & ~CFS_PAGE_MASK) >= PAGE_CACHE_SIZE) { + if ((u64val & ~CFS_PAGE_MASK) >= PAGE_SIZE) { CWARN("mask failed: u64val %llu >= %llu\n", u64val, - (__u64)PAGE_CACHE_SIZE); + (__u64)PAGE_SIZE); ret = -EINVAL; } @@ -509,7 +509,7 @@ static int __init obdclass_init(void) * For clients with less memory, a larger fraction is needed * for other purposes (mostly for BGL). */ - if (totalram_pages <= 512 << (20 - PAGE_CACHE_SHIFT)) + if (totalram_pages <= 512 << (20 - PAGE_SHIFT)) obd_max_dirty_pages = totalram_pages / 4; else obd_max_dirty_pages = totalram_pages / 2; diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c index 9496c09b2b69..b41b65e2f021 100644 --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-obdo.c @@ -47,7 +47,6 @@ #include "../../include/lustre/lustre_idl.h" #include <linux/fs.h> -#include <linux/pagemap.h> /* for PAGE_CACHE_SIZE */ void obdo_refresh_inode(struct inode *dst, struct obdo *src, u32 valid) { @@ -71,8 +70,8 @@ void obdo_refresh_inode(struct inode *dst, struct obdo *src, u32 valid) if (valid & OBD_MD_FLBLKSZ && src->o_blksize > (1 << dst->i_blkbits)) dst->i_blkbits = ffs(src->o_blksize) - 1; - if (dst->i_blkbits < PAGE_CACHE_SHIFT) - dst->i_blkbits = PAGE_CACHE_SHIFT; + if (dst->i_blkbits < PAGE_SHIFT) + dst->i_blkbits = PAGE_SHIFT; /* allocation of space */ if (valid & OBD_MD_FLBLOCKS && src->o_blocks > dst->i_blocks) diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c index fd333b9e968c..e6bf414a4444 100644 --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c @@ -100,7 +100,7 @@ static ssize_t max_dirty_mb_show(struct kobject *kobj, struct attribute *attr, char *buf) { return sprintf(buf, "%ul\n", - obd_max_dirty_pages / (1 << (20 - PAGE_CACHE_SHIFT))); + obd_max_dirty_pages / (1 << (20 - PAGE_SHIFT))); } static ssize_t max_dirty_mb_store(struct kobject *kobj, struct attribute *attr, @@ -113,14 +113,14 @@ static ssize_t max_dirty_mb_store(struct kobject *kobj, struct attribute *attr, if (rc) return rc; - val *= 1 << (20 - PAGE_CACHE_SHIFT); /* convert to pages */ + val *= 1 << (20 - PAGE_SHIFT); /* convert to pages */ if (val > ((totalram_pages / 10) * 9)) { /* Somebody wants to assign too much memory to dirty pages */ return -EINVAL; } - if (val < 4 << (20 - PAGE_CACHE_SHIFT)) { + if (val < 4 << (20 - PAGE_SHIFT)) { /* Less than 4 Mb for dirty cache is also bad */ return -EINVAL; } diff --git a/drivers/staging/lustre/lustre/obdclass/lu_object.c b/drivers/staging/lustre/lustre/obdclass/lu_object.c index 65a4746c89ca..978568ada8e9 100644 --- a/drivers/staging/lustre/lustre/obdclass/lu_object.c +++ b/drivers/staging/lustre/lustre/obdclass/lu_object.c @@ -840,8 +840,8 @@ static int lu_htable_order(void) #if BITS_PER_LONG == 32 /* limit hashtable size for lowmem systems to low RAM */ - if (cache_size > 1 << (30 - PAGE_CACHE_SHIFT)) - cache_size = 1 << (30 - PAGE_CACHE_SHIFT) * 3 / 4; + if (cache_size > 1 << (30 - PAGE_SHIFT)) + cache_size = 1 << (30 - PAGE_SHIFT) * 3 / 4; #endif /* clear off unreasonable cache setting. */ @@ -853,7 +853,7 @@ static int lu_htable_order(void) lu_cache_percent = LU_CACHE_PERCENT_DEFAULT; } cache_size = cache_size / 100 * lu_cache_percent * - (PAGE_CACHE_SIZE / 1024); + (PAGE_SIZE / 1024); for (bits = 1; (1 << bits) < cache_size; ++bits) { ; diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c index 64ffe243f870..1e83669c204d 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_client.c +++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c @@ -278,7 +278,7 @@ static void echo_page_fini(const struct lu_env *env, struct page *vmpage = ep->ep_vmpage; atomic_dec(&eco->eo_npages); - page_cache_release(vmpage); + put_page(vmpage); } static int echo_page_prep(const struct lu_env *env, @@ -373,7 +373,7 @@ static int echo_page_init(const struct lu_env *env, struct cl_object *obj, struct echo_object *eco = cl2echo_obj(obj); ep->ep_vmpage = vmpage; - page_cache_get(vmpage); + get_page(vmpage); mutex_init(&ep->ep_lock); cl_page_slice_add(page, &ep->ep_cl, obj, &echo_page_ops); atomic_inc(&eco->eo_npages); @@ -1138,7 +1138,7 @@ static int cl_echo_object_brw(struct echo_object *eco, int rw, u64 offset, LASSERT(rc == 0); rc = cl_echo_enqueue0(env, eco, offset, - offset + npages * PAGE_CACHE_SIZE - 1, + offset + npages * PAGE_SIZE - 1, rw == READ ? LCK_PR : LCK_PW, &lh.cookie, CEF_NEVER); if (rc < 0) @@ -1311,11 +1311,11 @@ echo_client_page_debug_setup(struct page *page, int rw, u64 id, int delta; /* no partial pages on the client */ - LASSERT(count == PAGE_CACHE_SIZE); + LASSERT(count == PAGE_SIZE); addr = kmap(page); - for (delta = 0; delta < PAGE_CACHE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) { + for (delta = 0; delta < PAGE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) { if (rw == OBD_BRW_WRITE) { stripe_off = offset + delta; stripe_id = id; @@ -1341,11 +1341,11 @@ static int echo_client_page_debug_check(struct page *page, u64 id, int rc2; /* no partial pages on the client */ - LASSERT(count == PAGE_CACHE_SIZE); + LASSERT(count == PAGE_SIZE); addr = kmap(page); - for (rc = delta = 0; delta < PAGE_CACHE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) { + for (rc = delta = 0; delta < PAGE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) { stripe_off = offset + delta; stripe_id = id; @@ -1391,7 +1391,7 @@ static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa, return -EINVAL; /* XXX think again with misaligned I/O */ - npages = count >> PAGE_CACHE_SHIFT; + npages = count >> PAGE_SHIFT; if (rw == OBD_BRW_WRITE) brw_flags = OBD_BRW_ASYNC; @@ -1408,7 +1408,7 @@ static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa, for (i = 0, pgp = pga, off = offset; i < npages; - i++, pgp++, off += PAGE_CACHE_SIZE) { + i++, pgp++, off += PAGE_SIZE) { LASSERT(!pgp->pg); /* for cleanup */ @@ -1418,7 +1418,7 @@ static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa, goto out; pages[i] = pgp->pg; - pgp->count = PAGE_CACHE_SIZE; + pgp->count = PAGE_SIZE; pgp->off = off; pgp->flag = brw_flags; @@ -1473,8 +1473,8 @@ static int echo_client_prep_commit(const struct lu_env *env, if (count <= 0 || (count & (~CFS_PAGE_MASK)) != 0) return -EINVAL; - npages = batch >> PAGE_CACHE_SHIFT; - tot_pages = count >> PAGE_CACHE_SHIFT; + npages = batch >> PAGE_SHIFT; + tot_pages = count >> PAGE_SHIFT; lnb = kcalloc(npages, sizeof(struct niobuf_local), GFP_NOFS); rnb = kcalloc(npages, sizeof(struct niobuf_remote), GFP_NOFS); @@ -1497,9 +1497,9 @@ static int echo_client_prep_commit(const struct lu_env *env, if (tot_pages < npages) npages = tot_pages; - for (i = 0; i < npages; i++, off += PAGE_CACHE_SIZE) { + for (i = 0; i < npages; i++, off += PAGE_SIZE) { rnb[i].offset = off; - rnb[i].len = PAGE_CACHE_SIZE; + rnb[i].len = PAGE_SIZE; rnb[i].flags = brw_flags; } @@ -1878,7 +1878,7 @@ static int __init obdecho_init(void) { LCONSOLE_INFO("Echo OBD driver; http://www.lustre.org/\n"); - LASSERT(PAGE_CACHE_SIZE % OBD_ECHO_BLOCK_SIZE == 0); + LASSERT(PAGE_SIZE % OBD_ECHO_BLOCK_SIZE == 0); return echo_client_init(); } diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c index 57c43c506ef2..a3358c39b2f1 100644 --- a/drivers/staging/lustre/lustre/osc/lproc_osc.c +++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c @@ -162,15 +162,15 @@ static ssize_t max_dirty_mb_store(struct kobject *kobj, if (rc) return rc; - pages_number *= 1 << (20 - PAGE_CACHE_SHIFT); /* MB -> pages */ + pages_number *= 1 << (20 - PAGE_SHIFT); /* MB -> pages */ if (pages_number <= 0 || - pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_CACHE_SHIFT) || + pages_number > OSC_MAX_DIRTY_MB_MAX << (20 - PAGE_SHIFT) || pages_number > totalram_pages / 4) /* 1/4 of RAM */ return -ERANGE; client_obd_list_lock(&cli->cl_loi_list_lock); - cli->cl_dirty_max = (u32)(pages_number << PAGE_CACHE_SHIFT); + cli->cl_dirty_max = (u32)(pages_number << PAGE_SHIFT); osc_wake_cache_waiters(cli); client_obd_list_unlock(&cli->cl_loi_list_lock); @@ -182,7 +182,7 @@ static int osc_cached_mb_seq_show(struct seq_file *m, void *v) { struct obd_device *dev = m->private; struct client_obd *cli = &dev->u.cli; - int shift = 20 - PAGE_CACHE_SHIFT; + int shift = 20 - PAGE_SHIFT; seq_printf(m, "used_mb: %d\n" @@ -211,7 +211,7 @@ static ssize_t osc_cached_mb_seq_write(struct file *file, return -EFAULT; kernbuf[count] = 0; - mult = 1 << (20 - PAGE_CACHE_SHIFT); + mult = 1 << (20 - PAGE_SHIFT); buffer += lprocfs_find_named_value(kernbuf, "used_mb:", &count) - kernbuf; rc = lprocfs_write_frac_helper(buffer, count, &pages_number, mult); @@ -569,12 +569,12 @@ static ssize_t max_pages_per_rpc_store(struct kobject *kobj, /* if the max_pages is specified in bytes, convert to pages */ if (val >= ONE_MB_BRW_SIZE) - val >>= PAGE_CACHE_SHIFT; + val >>= PAGE_SHIFT; - chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_CACHE_SHIFT)) - 1); + chunk_mask = ~((1 << (cli->cl_chunkbits - PAGE_SHIFT)) - 1); /* max_pages_per_rpc must be chunk aligned */ val = (val + ~chunk_mask) & chunk_mask; - if (val == 0 || val > ocd->ocd_brw_size >> PAGE_CACHE_SHIFT) { + if (val == 0 || val > ocd->ocd_brw_size >> PAGE_SHIFT) { return -ERANGE; } client_obd_list_lock(&cli->cl_loi_list_lock); diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c index 63363111380c..5f25bf83dcfc 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cache.c +++ b/drivers/staging/lustre/lustre/osc/osc_cache.c @@ -544,7 +544,7 @@ static int osc_extent_merge(const struct lu_env *env, struct osc_extent *cur, return -ERANGE; LASSERT(cur->oe_osclock == victim->oe_osclock); - ppc_bits = osc_cli(obj)->cl_chunkbits - PAGE_CACHE_SHIFT; + ppc_bits = osc_cli(obj)->cl_chunkbits - PAGE_SHIFT; chunk_start = cur->oe_start >> ppc_bits; chunk_end = cur->oe_end >> ppc_bits; if (chunk_start != (victim->oe_end >> ppc_bits) + 1 && @@ -647,8 +647,8 @@ static struct osc_extent *osc_extent_find(const struct lu_env *env, lock = cl_lock_at_pgoff(env, osc2cl(obj), index, NULL, 1, 0); LASSERT(lock->cll_descr.cld_mode >= CLM_WRITE); - LASSERT(cli->cl_chunkbits >= PAGE_CACHE_SHIFT); - ppc_bits = cli->cl_chunkbits - PAGE_CACHE_SHIFT; + LASSERT(cli->cl_chunkbits >= PAGE_SHIFT); + ppc_bits = cli->cl_chunkbits - PAGE_SHIFT; chunk_mask = ~((1 << ppc_bits) - 1); chunksize = 1 << cli->cl_chunkbits; chunk = index >> ppc_bits; @@ -871,8 +871,8 @@ int osc_extent_finish(const struct lu_env *env, struct osc_extent *ext, if (!sent) { lost_grant = ext->oe_grants; - } else if (blocksize < PAGE_CACHE_SIZE && - last_count != PAGE_CACHE_SIZE) { + } else if (blocksize < PAGE_SIZE && + last_count != PAGE_SIZE) { /* For short writes we shouldn't count parts of pages that * span a whole chunk on the OST side, or our accounting goes * wrong. Should match the code in filter_grant_check. @@ -884,7 +884,7 @@ int osc_extent_finish(const struct lu_env *env, struct osc_extent *ext, if (end) count += blocksize - end; - lost_grant = PAGE_CACHE_SIZE - count; + lost_grant = PAGE_SIZE - count; } if (ext->oe_grants > 0) osc_free_grant(cli, nr_pages, lost_grant); @@ -967,7 +967,7 @@ static int osc_extent_truncate(struct osc_extent *ext, pgoff_t trunc_index, struct osc_async_page *oap; struct osc_async_page *tmp; int pages_in_chunk = 0; - int ppc_bits = cli->cl_chunkbits - PAGE_CACHE_SHIFT; + int ppc_bits = cli->cl_chunkbits - PAGE_SHIFT; __u64 trunc_chunk = trunc_index >> ppc_bits; int grants = 0; int nr_pages = 0; @@ -1125,7 +1125,7 @@ static int osc_extent_make_ready(const struct lu_env *env, if (!(last->oap_async_flags & ASYNC_COUNT_STABLE)) { last->oap_count = osc_refresh_count(env, last, OBD_BRW_WRITE); LASSERT(last->oap_count > 0); - LASSERT(last->oap_page_off + last->oap_count <= PAGE_CACHE_SIZE); + LASSERT(last->oap_page_off + last->oap_count <= PAGE_SIZE); last->oap_async_flags |= ASYNC_COUNT_STABLE; } @@ -1134,7 +1134,7 @@ static int osc_extent_make_ready(const struct lu_env *env, */ list_for_each_entry(oap, &ext->oe_pages, oap_pending_item) { if (!(oap->oap_async_flags & ASYNC_COUNT_STABLE)) { - oap->oap_count = PAGE_CACHE_SIZE - oap->oap_page_off; + oap->oap_count = PAGE_SIZE - oap->oap_page_off; oap->oap_async_flags |= ASYNC_COUNT_STABLE; } } @@ -1158,7 +1158,7 @@ static int osc_extent_expand(struct osc_extent *ext, pgoff_t index, int *grants) struct osc_object *obj = ext->oe_obj; struct client_obd *cli = osc_cli(obj); struct osc_extent *next; - int ppc_bits = cli->cl_chunkbits - PAGE_CACHE_SHIFT; + int ppc_bits = cli->cl_chunkbits - PAGE_SHIFT; pgoff_t chunk = index >> ppc_bits; pgoff_t end_chunk; pgoff_t end_index; @@ -1293,9 +1293,9 @@ static int osc_refresh_count(const struct lu_env *env, return 0; else if (cl_offset(obj, page->cp_index + 1) > kms) /* catch sub-page write at end of file */ - return kms % PAGE_CACHE_SIZE; + return kms % PAGE_SIZE; else - return PAGE_CACHE_SIZE; + return PAGE_SIZE; } static int osc_completion(const struct lu_env *env, struct osc_async_page *oap, @@ -1376,10 +1376,10 @@ static void osc_consume_write_grant(struct client_obd *cli, assert_spin_locked(&cli->cl_loi_list_lock.lock); LASSERT(!(pga->flag & OBD_BRW_FROM_GRANT)); atomic_inc(&obd_dirty_pages); - cli->cl_dirty += PAGE_CACHE_SIZE; + cli->cl_dirty += PAGE_SIZE; pga->flag |= OBD_BRW_FROM_GRANT; CDEBUG(D_CACHE, "using %lu grant credits for brw %p page %p\n", - PAGE_CACHE_SIZE, pga, pga->pg); + PAGE_SIZE, pga, pga->pg); osc_update_next_shrink(cli); } @@ -1396,11 +1396,11 @@ static void osc_release_write_grant(struct client_obd *cli, pga->flag &= ~OBD_BRW_FROM_GRANT; atomic_dec(&obd_dirty_pages); - cli->cl_dirty -= PAGE_CACHE_SIZE; + cli->cl_dirty -= PAGE_SIZE; if (pga->flag & OBD_BRW_NOCACHE) { pga->flag &= ~OBD_BRW_NOCACHE; atomic_dec(&obd_dirty_transit_pages); - cli->cl_dirty_transit -= PAGE_CACHE_SIZE; + cli->cl_dirty_transit -= PAGE_SIZE; } } @@ -1456,7 +1456,7 @@ static void osc_unreserve_grant(struct client_obd *cli, * used, we should return these grants to OST. There're two cases where grants * can be lost: * 1. truncate; - * 2. blocksize at OST is less than PAGE_CACHE_SIZE and a partial page was + * 2. blocksize at OST is less than PAGE_SIZE and a partial page was * written. In this case OST may use less chunks to serve this partial * write. OSTs don't actually know the page size on the client side. so * clients have to calculate lost grant by the blocksize on the OST. @@ -1469,7 +1469,7 @@ static void osc_free_grant(struct client_obd *cli, unsigned int nr_pages, client_obd_list_lock(&cli->cl_loi_list_lock); atomic_sub(nr_pages, &obd_dirty_pages); - cli->cl_dirty -= nr_pages << PAGE_CACHE_SHIFT; + cli->cl_dirty -= nr_pages << PAGE_SHIFT; cli->cl_lost_grant += lost_grant; if (cli->cl_avail_grant < grant && cli->cl_lost_grant >= grant) { /* borrow some grant from truncate to avoid the case that @@ -1512,11 +1512,11 @@ static int osc_enter_cache_try(struct client_obd *cli, if (rc < 0) return 0; - if (cli->cl_dirty + PAGE_CACHE_SIZE <= cli->cl_dirty_max && + if (cli->cl_dirty + PAGE_SIZE <= cli->cl_dirty_max && atomic_read(&obd_dirty_pages) + 1 <= obd_max_dirty_pages) { osc_consume_write_grant(cli, &oap->oap_brw_page); if (transient) { - cli->cl_dirty_transit += PAGE_CACHE_SIZE; + cli->cl_dirty_transit += PAGE_SIZE; atomic_inc(&obd_dirty_transit_pages); oap->oap_brw_flags |= OBD_BRW_NOCACHE; } @@ -1562,7 +1562,7 @@ static int osc_enter_cache(const struct lu_env *env, struct client_obd *cli, * of queued writes and create a discontiguous rpc stream */ if (OBD_FAIL_CHECK(OBD_FAIL_OSC_NO_GRANT) || - cli->cl_dirty_max < PAGE_CACHE_SIZE || + cli->cl_dirty_max < PAGE_SIZE || cli->cl_ar.ar_force_sync || loi->loi_ar.ar_force_sync) { rc = -EDQUOT; goto out; @@ -1632,7 +1632,7 @@ void osc_wake_cache_waiters(struct client_obd *cli) ocw->ocw_rc = -EDQUOT; /* we can't dirty more */ - if ((cli->cl_dirty + PAGE_CACHE_SIZE > cli->cl_dirty_max) || + if ((cli->cl_dirty + PAGE_SIZE > cli->cl_dirty_max) || (atomic_read(&obd_dirty_pages) + 1 > obd_max_dirty_pages)) { CDEBUG(D_CACHE, "no dirty room: dirty: %ld osc max %ld, sys max %d\n", diff --git a/drivers/staging/lustre/lustre/osc/osc_page.c b/drivers/staging/lustre/lustre/osc/osc_page.c index d720b1a1c18c..ce9ddd515f64 100644 --- a/drivers/staging/lustre/lustre/osc/osc_page.c +++ b/drivers/staging/lustre/lustre/osc/osc_page.c @@ -410,7 +410,7 @@ int osc_page_init(const struct lu_env *env, struct cl_object *obj, int result; opg->ops_from = 0; - opg->ops_to = PAGE_CACHE_SIZE; + opg->ops_to = PAGE_SIZE; result = osc_prep_async_page(osc, opg, vmpage, cl_offset(obj, page->cp_index)); @@ -487,9 +487,9 @@ static atomic_t osc_lru_waiters = ATOMIC_INIT(0); /* LRU pages are freed in batch mode. OSC should at least free this * number of pages to avoid running out of LRU budget, and.. */ -static const int lru_shrink_min = 2 << (20 - PAGE_CACHE_SHIFT); /* 2M */ +static const int lru_shrink_min = 2 << (20 - PAGE_SHIFT); /* 2M */ /* free this number at most otherwise it will take too long time to finish. */ -static const int lru_shrink_max = 32 << (20 - PAGE_CACHE_SHIFT); /* 32M */ +static const int lru_shrink_max = 32 << (20 - PAGE_SHIFT); /* 32M */ /* Check if we can free LRU slots from this OSC. If there exists LRU waiters, * we should free slots aggressively. In this way, slots are freed in a steady diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c index 74805f1ae888..30526ebcad04 100644 --- a/drivers/staging/lustre/lustre/osc/osc_request.c +++ b/drivers/staging/lustre/lustre/osc/osc_request.c @@ -826,7 +826,7 @@ static void osc_announce_cached(struct client_obd *cli, struct obdo *oa, oa->o_undirty = 0; } else { long max_in_flight = (cli->cl_max_pages_per_rpc << - PAGE_CACHE_SHIFT)* + PAGE_SHIFT)* (cli->cl_max_rpcs_in_flight + 1); oa->o_undirty = max(cli->cl_dirty_max, max_in_flight); } @@ -909,11 +909,11 @@ static void osc_shrink_grant_local(struct client_obd *cli, struct obdo *oa) static int osc_shrink_grant(struct client_obd *cli) { __u64 target_bytes = (cli->cl_max_rpcs_in_flight + 1) * - (cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT); + (cli->cl_max_pages_per_rpc << PAGE_SHIFT); client_obd_list_lock(&cli->cl_loi_list_lock); if (cli->cl_avail_grant <= target_bytes) - target_bytes = cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT; + target_bytes = cli->cl_max_pages_per_rpc << PAGE_SHIFT; client_obd_list_unlock(&cli->cl_loi_list_lock); return osc_shrink_grant_to_target(cli, target_bytes); @@ -929,8 +929,8 @@ int osc_shrink_grant_to_target(struct client_obd *cli, __u64 target_bytes) * We don't want to shrink below a single RPC, as that will negatively * impact block allocation and long-term performance. */ - if (target_bytes < cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT) - target_bytes = cli->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT; + if (target_bytes < cli->cl_max_pages_per_rpc << PAGE_SHIFT) + target_bytes = cli->cl_max_pages_per_rpc << PAGE_SHIFT; if (target_bytes >= cli->cl_avail_grant) { client_obd_list_unlock(&cli->cl_loi_list_lock); @@ -978,7 +978,7 @@ static int osc_should_shrink_grant(struct client_obd *client) * cli_brw_size(obd->u.cli.cl_import->imp_obd->obd_self_export) * Keep comment here so that it can be found by searching. */ - int brw_size = client->cl_max_pages_per_rpc << PAGE_CACHE_SHIFT; + int brw_size = client->cl_max_pages_per_rpc << PAGE_SHIFT; if (client->cl_import->imp_state == LUSTRE_IMP_FULL && client->cl_avail_grant > brw_size) @@ -1052,7 +1052,7 @@ static void osc_init_grant(struct client_obd *cli, struct obd_connect_data *ocd) } /* determine the appropriate chunk size used by osc_extent. */ - cli->cl_chunkbits = max_t(int, PAGE_CACHE_SHIFT, ocd->ocd_blocksize); + cli->cl_chunkbits = max_t(int, PAGE_SHIFT, ocd->ocd_blocksize); client_obd_list_unlock(&cli->cl_loi_list_lock); CDEBUG(D_CACHE, "%s, setting cl_avail_grant: %ld cl_lost_grant: %ld chunk bits: %d\n", @@ -1317,9 +1317,9 @@ static int osc_brw_prep_request(int cmd, struct client_obd *cli, LASSERT(pg->count > 0); /* make sure there is no gap in the middle of page array */ LASSERTF(page_count == 1 || - (ergo(i == 0, poff + pg->count == PAGE_CACHE_SIZE) && + (ergo(i == 0, poff + pg->count == PAGE_SIZE) && ergo(i > 0 && i < page_count - 1, - poff == 0 && pg->count == PAGE_CACHE_SIZE) && + poff == 0 && pg->count == PAGE_SIZE) && ergo(i == page_count - 1, poff == 0)), "i: %d/%d pg: %p off: %llu, count: %u\n", i, page_count, pg, pg->off, pg->count); @@ -1877,7 +1877,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, oap->oap_count; else LASSERT(oap->oap_page_off + oap->oap_count == - PAGE_CACHE_SIZE); + PAGE_SIZE); } } @@ -1993,7 +1993,7 @@ int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, tmp->oap_request = ptlrpc_request_addref(req); client_obd_list_lock(&cli->cl_loi_list_lock); - starting_offset >>= PAGE_CACHE_SHIFT; + starting_offset >>= PAGE_SHIFT; if (cmd == OBD_BRW_READ) { cli->cl_r_in_flight++; lprocfs_oh_tally_log2(&cli->cl_read_page_hist, page_count); @@ -2790,12 +2790,12 @@ out: CFS_PAGE_MASK; if (OBD_OBJECT_EOF - fm_key->fiemap.fm_length <= - fm_key->fiemap.fm_start + PAGE_CACHE_SIZE - 1) + fm_key->fiemap.fm_start + PAGE_SIZE - 1) policy.l_extent.end = OBD_OBJECT_EOF; else policy.l_extent.end = (fm_key->fiemap.fm_start + fm_key->fiemap.fm_length + - PAGE_CACHE_SIZE - 1) & CFS_PAGE_MASK; + PAGE_SIZE - 1) & CFS_PAGE_MASK; ostid_build_res_name(&fm_key->oa.o_oi, &res_id); mode = ldlm_lock_match(exp->exp_obd->obd_namespace, diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c index 1b7673eec4d7..cf3ac8eee9ee 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/client.c +++ b/drivers/staging/lustre/lustre/ptlrpc/client.c @@ -174,12 +174,12 @@ void __ptlrpc_prep_bulk_page(struct ptlrpc_bulk_desc *desc, LASSERT(page); LASSERT(pageoffset >= 0); LASSERT(len > 0); - LASSERT(pageoffset + len <= PAGE_CACHE_SIZE); + LASSERT(pageoffset + len <= PAGE_SIZE); desc->bd_nob += len; if (pin) - page_cache_get(page); + get_page(page); ptlrpc_add_bulk_page(desc, page, pageoffset, len); } @@ -206,7 +206,7 @@ void __ptlrpc_free_bulk(struct ptlrpc_bulk_desc *desc, int unpin) if (unpin) { for (i = 0; i < desc->bd_iov_count; i++) - page_cache_release(desc->bd_iov[i].kiov_page); + put_page(desc->bd_iov[i].kiov_page); } kfree(desc); diff --git a/drivers/staging/lustre/lustre/ptlrpc/import.c b/drivers/staging/lustre/lustre/ptlrpc/import.c index b4eddf291269..cd94fed0ffdf 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/import.c +++ b/drivers/staging/lustre/lustre/ptlrpc/import.c @@ -1092,7 +1092,7 @@ finish: if (ocd->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) cli->cl_max_pages_per_rpc = - min(ocd->ocd_brw_size >> PAGE_CACHE_SHIFT, + min(ocd->ocd_brw_size >> PAGE_SHIFT, cli->cl_max_pages_per_rpc); else if (imp->imp_connect_op == MDS_CONNECT || imp->imp_connect_op == MGS_CONNECT) diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c index cee04efb6fb5..c95a91ce26c9 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c +++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c @@ -308,7 +308,7 @@ ptlrpc_lprocfs_req_history_max_seq_write(struct file *file, * hose a kernel by allowing the request history to grow too * far. */ - bufpages = (svc->srv_buf_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; + bufpages = (svc->srv_buf_size + PAGE_SIZE - 1) >> PAGE_SHIFT; if (val > totalram_pages / (2 * bufpages)) return -ERANGE; @@ -1226,7 +1226,7 @@ int lprocfs_wr_import(struct file *file, const char __user *buffer, const char prefix[] = "connection="; const int prefix_len = sizeof(prefix) - 1; - if (count > PAGE_CACHE_SIZE - 1 || count <= prefix_len) + if (count > PAGE_SIZE - 1 || count <= prefix_len) return -EINVAL; kbuf = kzalloc(count + 1, GFP_NOFS); diff --git a/drivers/staging/lustre/lustre/ptlrpc/recover.c b/drivers/staging/lustre/lustre/ptlrpc/recover.c index 5f27d9c2e4ef..30d9a164e52d 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/recover.c +++ b/drivers/staging/lustre/lustre/ptlrpc/recover.c @@ -195,7 +195,7 @@ int ptlrpc_resend(struct obd_import *imp) } list_for_each_entry_safe(req, next, &imp->imp_sending_list, rq_list) { - LASSERTF((long)req > PAGE_CACHE_SIZE && req != LP_POISON, + LASSERTF((long)req > PAGE_SIZE && req != LP_POISON, "req %p bad\n", req); LASSERTF(req->rq_type != LI_POISON, "req %p freed\n", req); if (!ptlrpc_no_resend(req)) diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c index 72d5b9bf5b29..d3872b8c9a6e 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c @@ -58,7 +58,7 @@ * bulk encryption page pools * ****************************************/ -#define POINTERS_PER_PAGE (PAGE_CACHE_SIZE / sizeof(void *)) +#define POINTERS_PER_PAGE (PAGE_SIZE / sizeof(void *)) #define PAGES_PER_POOL (POINTERS_PER_PAGE) #define IDLE_IDX_MAX (100) diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c index b793c04028a3..be72a8e5f221 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -172,9 +172,11 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) static int vpfe_update_pipe_state(struct vpfe_video_device *video) { struct vpfe_pipeline *pipe = &video->pipe; + int ret; - if (vpfe_prepare_pipeline(video)) - return vpfe_prepare_pipeline(video); + ret = vpfe_prepare_pipeline(video); + if (ret) + return ret; /* * Find out if there is any input video @@ -182,9 +184,10 @@ static int vpfe_update_pipe_state(struct vpfe_video_device *video) */ if (pipe->input_num == 0) { pipe->state = VPFE_PIPELINE_STREAM_CONTINUOUS; - if (vpfe_update_current_ext_subdev(video)) { + ret = vpfe_update_current_ext_subdev(video); + if (ret) { pr_err("Invalid external subdev\n"); - return vpfe_update_current_ext_subdev(video); + return ret; } } else { pipe->state = VPFE_PIPELINE_STREAM_SINGLESHOT; @@ -667,6 +670,7 @@ static int vpfe_enum_fmt(struct file *file, void *priv, struct v4l2_subdev *subdev; struct v4l2_format format; struct media_pad *remote; + int ret; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_enum_fmt\n"); @@ -695,10 +699,11 @@ static int vpfe_enum_fmt(struct file *file, void *priv, sd_fmt.pad = remote->index; sd_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; /* get output format of remote subdev */ - if (v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt)) { + ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt); + if (ret) { v4l2_err(&vpfe_dev->v4l2_dev, "invalid remote subdev for video node\n"); - return v4l2_subdev_call(subdev, pad, get_fmt, NULL, &sd_fmt); + return ret; } /* convert to pix format */ mbus.code = sd_fmt.format.code; @@ -725,6 +730,7 @@ static int vpfe_s_fmt(struct file *file, void *priv, struct vpfe_video_device *video = video_drvdata(file); struct vpfe_device *vpfe_dev = video->vpfe_dev; struct v4l2_format format; + int ret; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_fmt\n"); /* If streaming is started, return error */ @@ -733,8 +739,9 @@ static int vpfe_s_fmt(struct file *file, void *priv, return -EBUSY; } /* get adjacent subdev's output pad format */ - if (__vpfe_video_get_format(video, &format)) - return __vpfe_video_get_format(video, &format); + ret = __vpfe_video_get_format(video, &format); + if (ret) + return ret; *fmt = format; video->fmt = *fmt; return 0; @@ -757,11 +764,13 @@ static int vpfe_try_fmt(struct file *file, void *priv, struct vpfe_video_device *video = video_drvdata(file); struct vpfe_device *vpfe_dev = video->vpfe_dev; struct v4l2_format format; + int ret; v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_try_fmt\n"); /* get adjacent subdev's output pad format */ - if (__vpfe_video_get_format(video, &format)) - return __vpfe_video_get_format(video, &format); + ret = __vpfe_video_get_format(video, &format); + if (ret) + return ret; *fmt = format; return 0; @@ -838,8 +847,9 @@ static int vpfe_s_input(struct file *file, void *priv, unsigned int index) v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_input\n"); - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; /* * If streaming is started return device busy * error @@ -940,8 +950,9 @@ static int vpfe_s_std(struct file *file, void *priv, v4l2_std_id std_id) v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_s_std\n"); /* Call decoder driver function to set the standard */ - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; sdinfo = video->current_ext_subdev; /* If streaming is started, return device busy error */ if (video->started) { @@ -1327,8 +1338,9 @@ static int vpfe_reqbufs(struct file *file, void *priv, return -EINVAL; } - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; if (video->io_usrs != 0) { v4l2_err(&vpfe_dev->v4l2_dev, "Only one IO user allowed\n"); @@ -1354,10 +1366,11 @@ static int vpfe_reqbufs(struct file *file, void *priv, q->buf_struct_size = sizeof(struct vpfe_cap_buffer); q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - if (vb2_queue_init(q)) { + ret = vb2_queue_init(q); + if (ret) { v4l2_err(&vpfe_dev->v4l2_dev, "vb2_queue_init() failed\n"); vb2_dma_contig_cleanup_ctx(vpfe_dev->pdev); - return vb2_queue_init(q); + return ret; } fh->io_allowed = 1; @@ -1533,8 +1546,9 @@ static int vpfe_streamoff(struct file *file, void *priv, return -EINVAL; } - if (mutex_lock_interruptible(&video->lock)) - return mutex_lock_interruptible(&video->lock); + ret = mutex_lock_interruptible(&video->lock); + if (ret) + return ret; vpfe_stop_capture(video); ret = vb2_streamoff(&video->buffer_queue, buf_type); diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig new file mode 100644 index 000000000000..d277f048789e --- /dev/null +++ b/drivers/staging/olpc_dcon/Kconfig @@ -0,0 +1,35 @@ +config FB_OLPC_DCON + tristate "One Laptop Per Child Display CONtroller support" + depends on OLPC && FB + depends on I2C + depends on (GPIO_CS5535 || GPIO_CS5535=n) + select BACKLIGHT_CLASS_DEVICE + ---help--- + In order to support very low power operation, the XO laptop uses a + secondary Display CONtroller, or DCON. This secondary controller + is present in the video pipeline between the primary display + controller (integrate into the processor or chipset) and the LCD + panel. It allows the main processor/display controller to be + completely powered off while still retaining an image on the display. + This controller is only available on OLPC platforms. Unless you have + one of these platforms, you will want to say 'N'. + +config FB_OLPC_DCON_1 + bool "OLPC XO-1 DCON support" + depends on FB_OLPC_DCON && GPIO_CS5535 + default y + ---help--- + Enable support for the DCON in XO-1 model laptops. The kernel + communicates with the DCON using model-specific code. If you + have an XO-1 (or if you're unsure what model you have), you should + say 'Y'. + +config FB_OLPC_DCON_1_5 + bool "OLPC XO-1.5 DCON support" + depends on FB_OLPC_DCON && ACPI + default y + ---help--- + Enable support for the DCON in XO-1.5 model laptops. The kernel + communicates with the DCON using model-specific code. If you + have an XO-1.5 (or if you're unsure what model you have), you + should say 'Y'. diff --git a/drivers/staging/olpc_dcon/Makefile b/drivers/staging/olpc_dcon/Makefile new file mode 100644 index 000000000000..36c7e67fec20 --- /dev/null +++ b/drivers/staging/olpc_dcon/Makefile @@ -0,0 +1,6 @@ +olpc-dcon-objs += olpc_dcon.o +olpc-dcon-$(CONFIG_FB_OLPC_DCON_1) += olpc_dcon_xo_1.o +olpc-dcon-$(CONFIG_FB_OLPC_DCON_1_5) += olpc_dcon_xo_1_5.o +obj-$(CONFIG_FB_OLPC_DCON) += olpc-dcon.o + + diff --git a/drivers/staging/olpc_dcon/TODO b/drivers/staging/olpc_dcon/TODO new file mode 100644 index 000000000000..61c2e65ac354 --- /dev/null +++ b/drivers/staging/olpc_dcon/TODO @@ -0,0 +1,9 @@ +TODO: + - see if vx855 gpio API can be made similar enough to cs5535 so we can + share more code + - allow simultaneous XO-1 and XO-1.5 support + +Please send patches to Greg Kroah-Hartman <greg@kroah.com> and +copy: + Daniel Drake <dsd@laptop.org> + Jens Frederich <jfrederich@gmail.com> diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c new file mode 100644 index 000000000000..f45b2ef05f48 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -0,0 +1,813 @@ +/* + * Mainly by David Woodhouse, somewhat modified by Jordan Crouse + * + * Copyright © 2006-2007 Red Hat, Inc. + * Copyright © 2006-2007 Advanced Micro Devices, Inc. + * Copyright © 2009 VIA Technology, Inc. + * Copyright (c) 2010-2011 Andres Salomon <dilinger@queued.net> + * + * This program 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. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/kernel.h> +#include <linux/fb.h> +#include <linux/console.h> +#include <linux/i2c.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/backlight.h> +#include <linux/device.h> +#include <linux/uaccess.h> +#include <linux/ctype.h> +#include <linux/reboot.h> +#include <linux/olpc-ec.h> +#include <asm/tsc.h> +#include <asm/olpc.h> + +#include "olpc_dcon.h" + +/* Module definitions */ + +static ushort resumeline = 898; +module_param(resumeline, ushort, 0444); + +static struct dcon_platform_data *pdata; + +/* I2C structures */ + +/* Platform devices */ +static struct platform_device *dcon_device; + +static unsigned short normal_i2c[] = { 0x0d, I2C_CLIENT_END }; + +static s32 dcon_write(struct dcon_priv *dcon, u8 reg, u16 val) +{ + return i2c_smbus_write_word_data(dcon->client, reg, val); +} + +static s32 dcon_read(struct dcon_priv *dcon, u8 reg) +{ + return i2c_smbus_read_word_data(dcon->client, reg); +} + +/* ===== API functions - these are called by a variety of users ==== */ + +static int dcon_hw_init(struct dcon_priv *dcon, int is_init) +{ + u16 ver; + int rc = 0; + + ver = dcon_read(dcon, DCON_REG_ID); + if ((ver >> 8) != 0xDC) { + pr_err("DCON ID not 0xDCxx: 0x%04x instead.\n", ver); + rc = -ENXIO; + goto err; + } + + if (is_init) { + pr_info("Discovered DCON version %x\n", ver & 0xFF); + rc = pdata->init(dcon); + if (rc != 0) { + pr_err("Unable to init.\n"); + goto err; + } + } + + if (ver < 0xdc02) { + dev_err(&dcon->client->dev, + "DCON v1 is unsupported, giving up..\n"); + rc = -ENODEV; + goto err; + } + + /* SDRAM setup/hold time */ + dcon_write(dcon, 0x3a, 0xc040); + dcon_write(dcon, DCON_REG_MEM_OPT_A, 0x0000); /* clear option bits */ + dcon_write(dcon, DCON_REG_MEM_OPT_A, + MEM_DLL_CLOCK_DELAY | MEM_POWER_DOWN); + dcon_write(dcon, DCON_REG_MEM_OPT_B, MEM_SOFT_RESET); + + /* Colour swizzle, AA, no passthrough, backlight */ + if (is_init) { + dcon->disp_mode = MODE_PASSTHRU | MODE_BL_ENABLE | + MODE_CSWIZZLE | MODE_COL_AA; + } + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + + /* Set the scanline to interrupt on during resume */ + dcon_write(dcon, DCON_REG_SCAN_INT, resumeline); + +err: + return rc; +} + +/* + * The smbus doesn't always come back due to what is believed to be + * hardware (power rail) bugs. For older models where this is known to + * occur, our solution is to attempt to wait for the bus to stabilize; + * if it doesn't happen, cut power to the dcon, repower it, and wait + * for the bus to stabilize. Rinse, repeat until we have a working + * smbus. For newer models, we simply BUG(); we want to know if this + * still happens despite the power fixes that have been made! + */ +static int dcon_bus_stabilize(struct dcon_priv *dcon, int is_powered_down) +{ + unsigned long timeout; + u8 pm; + int x; + +power_up: + if (is_powered_down) { + pm = 1; + x = olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0); + if (x) { + pr_warn("unable to force dcon to power up: %d!\n", x); + return x; + } + usleep_range(10000, 11000); /* we'll be conservative */ + } + + pdata->bus_stabilize_wiggle(); + + for (x = -1, timeout = 50; timeout && x < 0; timeout--) { + usleep_range(1000, 1100); + x = dcon_read(dcon, DCON_REG_ID); + } + if (x < 0) { + pr_err("unable to stabilize dcon's smbus, reasserting power and praying.\n"); + BUG_ON(olpc_board_at_least(olpc_board(0xc2))); + pm = 0; + olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0); + msleep(100); + is_powered_down = 1; + goto power_up; /* argh, stupid hardware.. */ + } + + if (is_powered_down) + return dcon_hw_init(dcon, 0); + return 0; +} + +static void dcon_set_backlight(struct dcon_priv *dcon, u8 level) +{ + dcon->bl_val = level; + dcon_write(dcon, DCON_REG_BRIGHT, dcon->bl_val); + + /* Purposely turn off the backlight when we go to level 0 */ + if (dcon->bl_val == 0) { + dcon->disp_mode &= ~MODE_BL_ENABLE; + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + } else if (!(dcon->disp_mode & MODE_BL_ENABLE)) { + dcon->disp_mode |= MODE_BL_ENABLE; + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + } +} + +/* Set the output type to either color or mono */ +static int dcon_set_mono_mode(struct dcon_priv *dcon, bool enable_mono) +{ + if (dcon->mono == enable_mono) + return 0; + + dcon->mono = enable_mono; + + if (enable_mono) { + dcon->disp_mode &= ~(MODE_CSWIZZLE | MODE_COL_AA); + dcon->disp_mode |= MODE_MONO_LUMA; + } else { + dcon->disp_mode &= ~(MODE_MONO_LUMA); + dcon->disp_mode |= MODE_CSWIZZLE | MODE_COL_AA; + } + + dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode); + return 0; +} + +/* For now, this will be really stupid - we need to address how + * DCONLOAD works in a sleep and account for it accordingly + */ + +static void dcon_sleep(struct dcon_priv *dcon, bool sleep) +{ + int x; + + /* Turn off the backlight and put the DCON to sleep */ + + if (dcon->asleep == sleep) + return; + + if (!olpc_board_at_least(olpc_board(0xc2))) + return; + + if (sleep) { + u8 pm = 0; + + x = olpc_ec_cmd(EC_DCON_POWER_MODE, &pm, 1, NULL, 0); + if (x) + pr_warn("unable to force dcon to power down: %d!\n", x); + else + dcon->asleep = sleep; + } else { + /* Only re-enable the backlight if the backlight value is set */ + if (dcon->bl_val != 0) + dcon->disp_mode |= MODE_BL_ENABLE; + x = dcon_bus_stabilize(dcon, 1); + if (x) + pr_warn("unable to reinit dcon hardware: %d!\n", x); + else + dcon->asleep = sleep; + + /* Restore backlight */ + dcon_set_backlight(dcon, dcon->bl_val); + } + + /* We should turn off some stuff in the framebuffer - but what? */ +} + +/* the DCON seems to get confused if we change DCONLOAD too + * frequently -- i.e., approximately faster than frame time. + * normally we don't change it this fast, so in general we won't + * delay here. + */ +static void dcon_load_holdoff(struct dcon_priv *dcon) +{ + ktime_t delta_t, now; + + while (1) { + now = ktime_get(); + delta_t = ktime_sub(now, dcon->load_time); + if (ktime_to_ns(delta_t) > NSEC_PER_MSEC * 20) + break; + mdelay(4); + } +} + +static bool dcon_blank_fb(struct dcon_priv *dcon, bool blank) +{ + int err; + + console_lock(); + if (!lock_fb_info(dcon->fbinfo)) { + console_unlock(); + dev_err(&dcon->client->dev, "unable to lock framebuffer\n"); + return false; + } + + dcon->ignore_fb_events = true; + err = fb_blank(dcon->fbinfo, + blank ? FB_BLANK_POWERDOWN : FB_BLANK_UNBLANK); + dcon->ignore_fb_events = false; + unlock_fb_info(dcon->fbinfo); + console_unlock(); + + if (err) { + dev_err(&dcon->client->dev, "couldn't %sblank framebuffer\n", + blank ? "" : "un"); + return false; + } + return true; +} + +/* Set the source of the display (CPU or DCON) */ +static void dcon_source_switch(struct work_struct *work) +{ + struct dcon_priv *dcon = container_of(work, struct dcon_priv, + switch_source); + int source = dcon->pending_src; + + if (dcon->curr_src == source) + return; + + dcon_load_holdoff(dcon); + + dcon->switched = false; + + switch (source) { + case DCON_SOURCE_CPU: + pr_info("dcon_source_switch to CPU\n"); + /* Enable the scanline interrupt bit */ + if (dcon_write(dcon, DCON_REG_MODE, + dcon->disp_mode | MODE_SCAN_INT)) + pr_err("couldn't enable scanline interrupt!\n"); + else + /* Wait up to one second for the scanline interrupt */ + wait_event_timeout(dcon->waitq, dcon->switched, HZ); + + if (!dcon->switched) + pr_err("Timeout entering CPU mode; expect a screen glitch.\n"); + + /* Turn off the scanline interrupt */ + if (dcon_write(dcon, DCON_REG_MODE, dcon->disp_mode)) + pr_err("couldn't disable scanline interrupt!\n"); + + /* + * Ideally we'd like to disable interrupts here so that the + * fb unblanking and DCON turn on happen at a known time value; + * however, we can't do that right now with fb_blank + * messing with semaphores. + * + * For now, we just hope.. + */ + if (!dcon_blank_fb(dcon, false)) { + pr_err("Failed to enter CPU mode\n"); + dcon->pending_src = DCON_SOURCE_DCON; + return; + } + + /* And turn off the DCON */ + pdata->set_dconload(1); + dcon->load_time = ktime_get(); + + pr_info("The CPU has control\n"); + break; + case DCON_SOURCE_DCON: + { + ktime_t delta_t; + + pr_info("dcon_source_switch to DCON\n"); + + /* Clear DCONLOAD - this implies that the DCON is in control */ + pdata->set_dconload(0); + dcon->load_time = ktime_get(); + + wait_event_timeout(dcon->waitq, dcon->switched, HZ/2); + + if (!dcon->switched) { + pr_err("Timeout entering DCON mode; expect a screen glitch.\n"); + } else { + /* sometimes the DCON doesn't follow its own rules, + * and doesn't wait for two vsync pulses before + * ack'ing the frame load with an IRQ. the result + * is that the display shows the *previously* + * loaded frame. we can detect this by looking at + * the time between asserting DCONLOAD and the IRQ -- + * if it's less than 20msec, then the DCON couldn't + * have seen two VSYNC pulses. in that case we + * deassert and reassert, and hope for the best. + * see http://dev.laptop.org/ticket/9664 + */ + delta_t = ktime_sub(dcon->irq_time, dcon->load_time); + if (dcon->switched && ktime_to_ns(delta_t) + < NSEC_PER_MSEC * 20) { + pr_err("missed loading, retrying\n"); + pdata->set_dconload(1); + mdelay(41); + pdata->set_dconload(0); + dcon->load_time = ktime_get(); + mdelay(41); + } + } + + dcon_blank_fb(dcon, true); + pr_info("The DCON has control\n"); + break; + } + default: + BUG(); + } + + dcon->curr_src = source; +} + +static void dcon_set_source(struct dcon_priv *dcon, int arg) +{ + if (dcon->pending_src == arg) + return; + + dcon->pending_src = arg; + + if (dcon->curr_src != arg) + schedule_work(&dcon->switch_source); +} + +static void dcon_set_source_sync(struct dcon_priv *dcon, int arg) +{ + dcon_set_source(dcon, arg); + flush_scheduled_work(); +} + +static ssize_t dcon_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%4.4X\n", dcon->disp_mode); +} + +static ssize_t dcon_sleep_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", dcon->asleep); +} + +static ssize_t dcon_freeze_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", dcon->curr_src == DCON_SOURCE_DCON ? 1 : 0); +} + +static ssize_t dcon_mono_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", dcon->mono); +} + +static ssize_t dcon_resumeline_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "%d\n", resumeline); +} + +static ssize_t dcon_mono_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned long enable_mono; + int rc; + + rc = kstrtoul(buf, 10, &enable_mono); + if (rc) + return rc; + + dcon_set_mono_mode(dev_get_drvdata(dev), enable_mono ? true : false); + + return count; +} + +static ssize_t dcon_freeze_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct dcon_priv *dcon = dev_get_drvdata(dev); + unsigned long output; + int ret; + + ret = kstrtoul(buf, 10, &output); + if (ret) + return ret; + + pr_info("dcon_freeze_store: %lu\n", output); + + switch (output) { + case 0: + dcon_set_source(dcon, DCON_SOURCE_CPU); + break; + case 1: + dcon_set_source_sync(dcon, DCON_SOURCE_DCON); + break; + case 2: /* normally unused */ + dcon_set_source(dcon, DCON_SOURCE_DCON); + break; + default: + return -EINVAL; + } + + return count; +} + +static ssize_t dcon_resumeline_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned short rl; + int rc; + + rc = kstrtou16(buf, 10, &rl); + if (rc) + return rc; + + resumeline = rl; + dcon_write(dev_get_drvdata(dev), DCON_REG_SCAN_INT, resumeline); + + return count; +} + +static ssize_t dcon_sleep_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + unsigned long output; + int ret; + + ret = kstrtoul(buf, 10, &output); + if (ret) + return ret; + + dcon_sleep(dev_get_drvdata(dev), output ? true : false); + return count; +} + +static struct device_attribute dcon_device_files[] = { + __ATTR(mode, 0444, dcon_mode_show, NULL), + __ATTR(sleep, 0644, dcon_sleep_show, dcon_sleep_store), + __ATTR(freeze, 0644, dcon_freeze_show, dcon_freeze_store), + __ATTR(monochrome, 0644, dcon_mono_show, dcon_mono_store), + __ATTR(resumeline, 0644, dcon_resumeline_show, dcon_resumeline_store), +}; + +static int dcon_bl_update(struct backlight_device *dev) +{ + struct dcon_priv *dcon = bl_get_data(dev); + u8 level = dev->props.brightness & 0x0F; + + if (dev->props.power != FB_BLANK_UNBLANK) + level = 0; + + if (level != dcon->bl_val) + dcon_set_backlight(dcon, level); + + /* power down the DCON when the screen is blanked */ + if (!dcon->ignore_fb_events) + dcon_sleep(dcon, !!(dev->props.state & BL_CORE_FBBLANK)); + + return 0; +} + +static int dcon_bl_get(struct backlight_device *dev) +{ + struct dcon_priv *dcon = bl_get_data(dev); + + return dcon->bl_val; +} + +static const struct backlight_ops dcon_bl_ops = { + .update_status = dcon_bl_update, + .get_brightness = dcon_bl_get, +}; + +static struct backlight_properties dcon_bl_props = { + .max_brightness = 15, + .type = BACKLIGHT_RAW, + .power = FB_BLANK_UNBLANK, +}; + +static int dcon_reboot_notify(struct notifier_block *nb, + unsigned long foo, void *bar) +{ + struct dcon_priv *dcon = container_of(nb, struct dcon_priv, reboot_nb); + + if (!dcon || !dcon->client) + return NOTIFY_DONE; + + /* Turn off the DCON. Entirely. */ + dcon_write(dcon, DCON_REG_MODE, 0x39); + dcon_write(dcon, DCON_REG_MODE, 0x32); + return NOTIFY_DONE; +} + +static int unfreeze_on_panic(struct notifier_block *nb, + unsigned long e, void *p) +{ + pdata->set_dconload(1); + return NOTIFY_DONE; +} + +static struct notifier_block dcon_panic_nb = { + .notifier_call = unfreeze_on_panic, +}; + +static int dcon_detect(struct i2c_client *client, struct i2c_board_info *info) +{ + strlcpy(info->type, "olpc_dcon", I2C_NAME_SIZE); + + return 0; +} + +static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct dcon_priv *dcon; + int rc, i, j; + + if (!pdata) + return -ENXIO; + + dcon = kzalloc(sizeof(*dcon), GFP_KERNEL); + if (!dcon) + return -ENOMEM; + + dcon->client = client; + init_waitqueue_head(&dcon->waitq); + INIT_WORK(&dcon->switch_source, dcon_source_switch); + dcon->reboot_nb.notifier_call = dcon_reboot_notify; + dcon->reboot_nb.priority = -1; + + i2c_set_clientdata(client, dcon); + + if (num_registered_fb < 1) { + dev_err(&client->dev, "DCON driver requires a registered fb\n"); + rc = -EIO; + goto einit; + } + dcon->fbinfo = registered_fb[0]; + + rc = dcon_hw_init(dcon, 1); + if (rc) + goto einit; + + /* Add the DCON device */ + + dcon_device = platform_device_alloc("dcon", -1); + + if (!dcon_device) { + pr_err("Unable to create the DCON device\n"); + rc = -ENOMEM; + goto eirq; + } + rc = platform_device_add(dcon_device); + platform_set_drvdata(dcon_device, dcon); + + if (rc) { + pr_err("Unable to add the DCON device\n"); + goto edev; + } + + for (i = 0; i < ARRAY_SIZE(dcon_device_files); i++) { + rc = device_create_file(&dcon_device->dev, + &dcon_device_files[i]); + if (rc) { + dev_err(&dcon_device->dev, "Cannot create sysfs file\n"); + goto ecreate; + } + } + + dcon->bl_val = dcon_read(dcon, DCON_REG_BRIGHT) & 0x0F; + + /* Add the backlight device for the DCON */ + dcon_bl_props.brightness = dcon->bl_val; + dcon->bl_dev = backlight_device_register("dcon-bl", &dcon_device->dev, + dcon, &dcon_bl_ops, &dcon_bl_props); + if (IS_ERR(dcon->bl_dev)) { + dev_err(&client->dev, "cannot register backlight dev (%ld)\n", + PTR_ERR(dcon->bl_dev)); + dcon->bl_dev = NULL; + } + + register_reboot_notifier(&dcon->reboot_nb); + atomic_notifier_chain_register(&panic_notifier_list, &dcon_panic_nb); + + return 0; + + ecreate: + for (j = 0; j < i; j++) + device_remove_file(&dcon_device->dev, &dcon_device_files[j]); + edev: + platform_device_unregister(dcon_device); + dcon_device = NULL; + eirq: + free_irq(DCON_IRQ, dcon); + einit: + kfree(dcon); + return rc; +} + +static int dcon_remove(struct i2c_client *client) +{ + struct dcon_priv *dcon = i2c_get_clientdata(client); + + unregister_reboot_notifier(&dcon->reboot_nb); + atomic_notifier_chain_unregister(&panic_notifier_list, &dcon_panic_nb); + + free_irq(DCON_IRQ, dcon); + + backlight_device_unregister(dcon->bl_dev); + + if (dcon_device) + platform_device_unregister(dcon_device); + cancel_work_sync(&dcon->switch_source); + + kfree(dcon); + + return 0; +} + +#ifdef CONFIG_PM +static int dcon_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct dcon_priv *dcon = i2c_get_clientdata(client); + + if (!dcon->asleep) { + /* Set up the DCON to have the source */ + dcon_set_source_sync(dcon, DCON_SOURCE_DCON); + } + + return 0; +} + +static int dcon_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct dcon_priv *dcon = i2c_get_clientdata(client); + + if (!dcon->asleep) { + dcon_bus_stabilize(dcon, 0); + dcon_set_source(dcon, DCON_SOURCE_CPU); + } + + return 0; +} + +#else + +#define dcon_suspend NULL +#define dcon_resume NULL + +#endif /* CONFIG_PM */ + +irqreturn_t dcon_interrupt(int irq, void *id) +{ + struct dcon_priv *dcon = id; + u8 status; + + if (pdata->read_status(&status)) + return IRQ_NONE; + + switch (status & 3) { + case 3: + pr_debug("DCONLOAD_MISSED interrupt\n"); + break; + + case 2: /* switch to DCON mode */ + case 1: /* switch to CPU mode */ + dcon->switched = true; + dcon->irq_time = ktime_get(); + wake_up(&dcon->waitq); + break; + + case 0: + /* workaround resume case: the DCON (on 1.5) doesn't + * ever assert status 0x01 when switching to CPU mode + * during resume. this is because DCONLOAD is de-asserted + * _immediately_ upon exiting S3, so the actual release + * of the DCON happened long before this point. + * see http://dev.laptop.org/ticket/9869 + */ + if (dcon->curr_src != dcon->pending_src && !dcon->switched) { + dcon->switched = true; + dcon->irq_time = ktime_get(); + wake_up(&dcon->waitq); + pr_debug("switching w/ status 0/0\n"); + } else { + pr_debug("scanline interrupt w/CPU\n"); + } + } + + return IRQ_HANDLED; +} + +static const struct dev_pm_ops dcon_pm_ops = { + .suspend = dcon_suspend, + .resume = dcon_resume, +}; + +static const struct i2c_device_id dcon_idtable[] = { + { "olpc_dcon", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, dcon_idtable); + +static struct i2c_driver dcon_driver = { + .driver = { + .name = "olpc_dcon", + .pm = &dcon_pm_ops, + }, + .class = I2C_CLASS_DDC | I2C_CLASS_HWMON, + .id_table = dcon_idtable, + .probe = dcon_probe, + .remove = dcon_remove, + .detect = dcon_detect, + .address_list = normal_i2c, +}; + +static int __init olpc_dcon_init(void) +{ +#ifdef CONFIG_FB_OLPC_DCON_1_5 + /* XO-1.5 */ + if (olpc_board_at_least(olpc_board(0xd0))) + pdata = &dcon_pdata_xo_1_5; +#endif +#ifdef CONFIG_FB_OLPC_DCON_1 + if (!pdata) + pdata = &dcon_pdata_xo_1; +#endif + + return i2c_add_driver(&dcon_driver); +} + +static void __exit olpc_dcon_exit(void) +{ + i2c_del_driver(&dcon_driver); +} + +module_init(olpc_dcon_init); +module_exit(olpc_dcon_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/olpc_dcon/olpc_dcon.h b/drivers/staging/olpc_dcon/olpc_dcon.h new file mode 100644 index 000000000000..215e7ec4dea2 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon.h @@ -0,0 +1,111 @@ +#ifndef OLPC_DCON_H_ +#define OLPC_DCON_H_ + +#include <linux/notifier.h> +#include <linux/workqueue.h> + +/* DCON registers */ + +#define DCON_REG_ID 0 +#define DCON_REG_MODE 1 + +#define MODE_PASSTHRU (1<<0) +#define MODE_SLEEP (1<<1) +#define MODE_SLEEP_AUTO (1<<2) +#define MODE_BL_ENABLE (1<<3) +#define MODE_BLANK (1<<4) +#define MODE_CSWIZZLE (1<<5) +#define MODE_COL_AA (1<<6) +#define MODE_MONO_LUMA (1<<7) +#define MODE_SCAN_INT (1<<8) +#define MODE_CLOCKDIV (1<<9) +#define MODE_DEBUG (1<<14) +#define MODE_SELFTEST (1<<15) + +#define DCON_REG_HRES 0x2 +#define DCON_REG_HTOTAL 0x3 +#define DCON_REG_HSYNC_WIDTH 0x4 +#define DCON_REG_VRES 0x5 +#define DCON_REG_VTOTAL 0x6 +#define DCON_REG_VSYNC_WIDTH 0x7 +#define DCON_REG_TIMEOUT 0x8 +#define DCON_REG_SCAN_INT 0x9 +#define DCON_REG_BRIGHT 0xa +#define DCON_REG_MEM_OPT_A 0x41 +#define DCON_REG_MEM_OPT_B 0x42 + +/* Load Delay Locked Loop (DLL) settings for clock delay */ +#define MEM_DLL_CLOCK_DELAY (1<<0) +/* Memory controller power down function */ +#define MEM_POWER_DOWN (1<<8) +/* Memory controller software reset */ +#define MEM_SOFT_RESET (1<<0) + +/* Status values */ + +#define DCONSTAT_SCANINT 0 +#define DCONSTAT_SCANINT_DCON 1 +#define DCONSTAT_DISPLAYLOAD 2 +#define DCONSTAT_MISSED 3 + +/* Source values */ + +#define DCON_SOURCE_DCON 0 +#define DCON_SOURCE_CPU 1 + +/* Interrupt */ +#define DCON_IRQ 6 + +struct dcon_priv { + struct i2c_client *client; + struct fb_info *fbinfo; + struct backlight_device *bl_dev; + + wait_queue_head_t waitq; + struct work_struct switch_source; + struct notifier_block reboot_nb; + + /* Shadow register for the DCON_REG_MODE register */ + u8 disp_mode; + + /* The current backlight value - this saves us some smbus traffic */ + u8 bl_val; + + /* Current source, initialized at probe time */ + int curr_src; + + /* Desired source */ + int pending_src; + + /* Variables used during switches */ + bool switched; + ktime_t irq_time; + ktime_t load_time; + + /* Current output type; true == mono, false == color */ + bool mono; + bool asleep; + /* This get set while controlling fb blank state from the driver */ + bool ignore_fb_events; +}; + +struct dcon_platform_data { + int (*init)(struct dcon_priv *); + void (*bus_stabilize_wiggle)(void); + void (*set_dconload)(int); + int (*read_status)(u8 *); +}; + +#include <linux/interrupt.h> + +irqreturn_t dcon_interrupt(int irq, void *id); + +#ifdef CONFIG_FB_OLPC_DCON_1 +extern struct dcon_platform_data dcon_pdata_xo_1; +#endif + +#ifdef CONFIG_FB_OLPC_DCON_1_5 +extern struct dcon_platform_data dcon_pdata_xo_1_5; +#endif + +#endif diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c new file mode 100644 index 000000000000..0c5a10c69401 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c @@ -0,0 +1,205 @@ +/* + * Mainly by David Woodhouse, somewhat modified by Jordan Crouse + * + * Copyright © 2006-2007 Red Hat, Inc. + * Copyright © 2006-2007 Advanced Micro Devices, Inc. + * Copyright © 2009 VIA Technology, Inc. + * Copyright (c) 2010 Andres Salomon <dilinger@queued.net> + * + * This program 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. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/cs5535.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <asm/olpc.h> + +#include "olpc_dcon.h" + +static int dcon_init_xo_1(struct dcon_priv *dcon) +{ + unsigned char lob; + + if (gpio_request(OLPC_GPIO_DCON_STAT0, "OLPC-DCON")) { + pr_err("failed to request STAT0 GPIO\n"); + return -EIO; + } + if (gpio_request(OLPC_GPIO_DCON_STAT1, "OLPC-DCON")) { + pr_err("failed to request STAT1 GPIO\n"); + goto err_gp_stat1; + } + if (gpio_request(OLPC_GPIO_DCON_IRQ, "OLPC-DCON")) { + pr_err("failed to request IRQ GPIO\n"); + goto err_gp_irq; + } + if (gpio_request(OLPC_GPIO_DCON_LOAD, "OLPC-DCON")) { + pr_err("failed to request LOAD GPIO\n"); + goto err_gp_load; + } + if (gpio_request(OLPC_GPIO_DCON_BLANK, "OLPC-DCON")) { + pr_err("failed to request BLANK GPIO\n"); + goto err_gp_blank; + } + + /* Turn off the event enable for GPIO7 just to be safe */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_EVENTS_ENABLE); + + /* + * Determine the current state by reading the GPIO bit; earlier + * stages of the boot process have established the state. + * + * Note that we read GPIO_OUTPUT_VAL rather than GPIO_READ_BACK here; + * this is because OFW will disable input for the pin and set a value.. + * READ_BACK will only contain a valid value if input is enabled and + * then a value is set. So, future readings of the pin can use + * READ_BACK, but the first one cannot. Awesome, huh? + */ + dcon->curr_src = cs5535_gpio_isset(OLPC_GPIO_DCON_LOAD, GPIO_OUTPUT_VAL) + ? DCON_SOURCE_CPU + : DCON_SOURCE_DCON; + dcon->pending_src = dcon->curr_src; + + /* Set the directions for the GPIO pins */ + gpio_direction_input(OLPC_GPIO_DCON_STAT0); + gpio_direction_input(OLPC_GPIO_DCON_STAT1); + gpio_direction_input(OLPC_GPIO_DCON_IRQ); + gpio_direction_input(OLPC_GPIO_DCON_BLANK); + gpio_direction_output(OLPC_GPIO_DCON_LOAD, + dcon->curr_src == DCON_SOURCE_CPU); + + /* Set up the interrupt mappings */ + + /* Set the IRQ to pair 2 */ + cs5535_gpio_setup_event(OLPC_GPIO_DCON_IRQ, 2, 0); + + /* Enable group 2 to trigger the DCON interrupt */ + cs5535_gpio_set_irq(2, DCON_IRQ); + + /* Select edge level for interrupt (in PIC) */ + lob = inb(0x4d0); + lob &= ~(1 << DCON_IRQ); + outb(lob, 0x4d0); + + /* Register the interrupt handler */ + if (request_irq(DCON_IRQ, &dcon_interrupt, 0, "DCON", dcon)) { + pr_err("failed to request DCON's irq\n"); + goto err_req_irq; + } + + /* Clear INV_EN for GPIO7 (DCONIRQ) */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_INPUT_INVERT); + + /* Enable filter for GPIO12 (DCONBLANK) */ + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_INPUT_FILTER); + + /* Disable filter for GPIO7 */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_INPUT_FILTER); + + /* Disable event counter for GPIO7 (DCONIRQ) and GPIO12 (DCONBLANK) */ + cs5535_gpio_clear(OLPC_GPIO_DCON_IRQ, GPIO_INPUT_EVENT_COUNT); + cs5535_gpio_clear(OLPC_GPIO_DCON_BLANK, GPIO_INPUT_EVENT_COUNT); + + /* Add GPIO12 to the Filter Event Pair #7 */ + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_FE7_SEL); + + /* Turn off negative Edge Enable for GPIO12 */ + cs5535_gpio_clear(OLPC_GPIO_DCON_BLANK, GPIO_NEGATIVE_EDGE_EN); + + /* Enable negative Edge Enable for GPIO7 */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_NEGATIVE_EDGE_EN); + + /* Zero the filter amount for Filter Event Pair #7 */ + cs5535_gpio_set(0, GPIO_FLTR7_AMOUNT); + + /* Clear the negative edge status for GPIO7 and GPIO12 */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_NEGATIVE_EDGE_STS); + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_NEGATIVE_EDGE_STS); + + /* FIXME: Clear the positive status as well, just to be sure */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_POSITIVE_EDGE_STS); + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_POSITIVE_EDGE_STS); + + /* Enable events for GPIO7 (DCONIRQ) and GPIO12 (DCONBLANK) */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_EVENTS_ENABLE); + cs5535_gpio_set(OLPC_GPIO_DCON_BLANK, GPIO_EVENTS_ENABLE); + + return 0; + +err_req_irq: + gpio_free(OLPC_GPIO_DCON_BLANK); +err_gp_blank: + gpio_free(OLPC_GPIO_DCON_LOAD); +err_gp_load: + gpio_free(OLPC_GPIO_DCON_IRQ); +err_gp_irq: + gpio_free(OLPC_GPIO_DCON_STAT1); +err_gp_stat1: + gpio_free(OLPC_GPIO_DCON_STAT0); + return -EIO; +} + +static void dcon_wiggle_xo_1(void) +{ + int x; + + /* + * According to HiMax, when powering the DCON up we should hold + * SMB_DATA high for 8 SMB_CLK cycles. This will force the DCON + * state machine to reset to a (sane) initial state. Mitch Bradley + * did some testing and discovered that holding for 16 SMB_CLK cycles + * worked a lot more reliably, so that's what we do here. + * + * According to the cs5536 spec, to set GPIO14 to SMB_CLK we must + * simultaneously set AUX1 IN/OUT to GPIO14; ditto for SMB_DATA and + * GPIO15. + */ + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_VAL); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_VAL); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_ENABLE); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_ENABLE); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_AUX1); + cs5535_gpio_clear(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_AUX1); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_AUX2); + cs5535_gpio_clear(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_AUX2); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_INPUT_AUX1); + cs5535_gpio_clear(OLPC_GPIO_SMB_DATA, GPIO_INPUT_AUX1); + + for (x = 0; x < 16; x++) { + udelay(5); + cs5535_gpio_clear(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_VAL); + udelay(5); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_VAL); + } + udelay(5); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_OUTPUT_AUX1); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_OUTPUT_AUX1); + cs5535_gpio_set(OLPC_GPIO_SMB_CLK, GPIO_INPUT_AUX1); + cs5535_gpio_set(OLPC_GPIO_SMB_DATA, GPIO_INPUT_AUX1); +} + +static void dcon_set_dconload_1(int val) +{ + gpio_set_value(OLPC_GPIO_DCON_LOAD, val); +} + +static int dcon_read_status_xo_1(u8 *status) +{ + *status = gpio_get_value(OLPC_GPIO_DCON_STAT0); + *status |= gpio_get_value(OLPC_GPIO_DCON_STAT1) << 1; + + /* Clear the negative edge status for GPIO7 */ + cs5535_gpio_set(OLPC_GPIO_DCON_IRQ, GPIO_NEGATIVE_EDGE_STS); + + return 0; +} + +struct dcon_platform_data dcon_pdata_xo_1 = { + .init = dcon_init_xo_1, + .bus_stabilize_wiggle = dcon_wiggle_xo_1, + .set_dconload = dcon_set_dconload_1, + .read_status = dcon_read_status_xo_1, +}; diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c new file mode 100644 index 000000000000..6a4d379c16a3 --- /dev/null +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c @@ -0,0 +1,161 @@ +/* + * Copyright (c) 2009,2010 One Laptop per Child + * + * This program 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. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/acpi.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <asm/olpc.h> + +/* TODO: this eventually belongs in linux/vx855.h */ +#define NR_VX855_GPI 14 +#define NR_VX855_GPO 13 +#define NR_VX855_GPIO 15 + +#define VX855_GPI(n) (n) +#define VX855_GPO(n) (NR_VX855_GPI + (n)) +#define VX855_GPIO(n) (NR_VX855_GPI + NR_VX855_GPO + (n)) + +#include "olpc_dcon.h" + +/* Hardware setup on the XO 1.5: + * DCONLOAD connects to VX855_GPIO1 (not SMBCK2) + * DCONBLANK connects to VX855_GPIO8 (not SSPICLK) unused in driver + * DCONSTAT0 connects to VX855_GPI10 (not SSPISDI) + * DCONSTAT1 connects to VX855_GPI11 (not nSSPISS) + * DCONIRQ connects to VX855_GPIO12 + * DCONSMBDATA connects to VX855 graphics CRTSPD + * DCONSMBCLK connects to VX855 graphics CRTSPCLK + */ + +#define VX855_GENL_PURPOSE_OUTPUT 0x44c /* PMIO_Rx4c-4f */ +#define VX855_GPI_STATUS_CHG 0x450 /* PMIO_Rx50 */ +#define VX855_GPI_SCI_SMI 0x452 /* PMIO_Rx52 */ +#define BIT_GPIO12 0x40 + +#define PREFIX "OLPC DCON:" + +static void dcon_clear_irq(void) +{ + /* irq status will appear in PMIO_Rx50[6] (RW1C) on gpio12 */ + outb(BIT_GPIO12, VX855_GPI_STATUS_CHG); +} + +static int dcon_was_irq(void) +{ + u_int8_t tmp; + + /* irq status will appear in PMIO_Rx50[6] on gpio12 */ + tmp = inb(VX855_GPI_STATUS_CHG); + return !!(tmp & BIT_GPIO12); + + return 0; +} + +static int dcon_init_xo_1_5(struct dcon_priv *dcon) +{ + unsigned int irq; + + dcon_clear_irq(); + + /* set PMIO_Rx52[6] to enable SCI/SMI on gpio12 */ + outb(inb(VX855_GPI_SCI_SMI)|BIT_GPIO12, VX855_GPI_SCI_SMI); + + /* Determine the current state of DCONLOAD, likely set by firmware */ + /* GPIO1 */ + dcon->curr_src = (inl(VX855_GENL_PURPOSE_OUTPUT) & 0x1000) ? + DCON_SOURCE_CPU : DCON_SOURCE_DCON; + dcon->pending_src = dcon->curr_src; + + /* we're sharing the IRQ with ACPI */ + irq = acpi_gbl_FADT.sci_interrupt; + if (request_irq(irq, &dcon_interrupt, IRQF_SHARED, "DCON", dcon)) { + pr_err("DCON (IRQ%d) allocation failed\n", irq); + return 1; + } + + return 0; +} + +static void set_i2c_line(int sda, int scl) +{ + unsigned char tmp; + unsigned int port = 0x26; + + /* FIXME: This directly accesses the CRT GPIO controller !!! */ + outb(port, 0x3c4); + tmp = inb(0x3c5); + + if (scl) + tmp |= 0x20; + else + tmp &= ~0x20; + + if (sda) + tmp |= 0x10; + else + tmp &= ~0x10; + + tmp |= 0x01; + + outb(port, 0x3c4); + outb(tmp, 0x3c5); +} + + +static void dcon_wiggle_xo_1_5(void) +{ + int x; + + /* + * According to HiMax, when powering the DCON up we should hold + * SMB_DATA high for 8 SMB_CLK cycles. This will force the DCON + * state machine to reset to a (sane) initial state. Mitch Bradley + * did some testing and discovered that holding for 16 SMB_CLK cycles + * worked a lot more reliably, so that's what we do here. + */ + set_i2c_line(1, 1); + + for (x = 0; x < 16; x++) { + udelay(5); + set_i2c_line(1, 0); + udelay(5); + set_i2c_line(1, 1); + } + udelay(5); + + /* set PMIO_Rx52[6] to enable SCI/SMI on gpio12 */ + outb(inb(VX855_GPI_SCI_SMI)|BIT_GPIO12, VX855_GPI_SCI_SMI); +} + +static void dcon_set_dconload_xo_1_5(int val) +{ + gpio_set_value(VX855_GPIO(1), val); +} + +static int dcon_read_status_xo_1_5(u8 *status) +{ + if (!dcon_was_irq()) + return -1; + + /* i believe this is the same as "inb(0x44b) & 3" */ + *status = gpio_get_value(VX855_GPI(10)); + *status |= gpio_get_value(VX855_GPI(11)) << 1; + + dcon_clear_irq(); + + return 0; +} + +struct dcon_platform_data dcon_pdata_xo_1_5 = { + .init = dcon_init_xo_1_5, + .bus_stabilize_wiggle = dcon_wiggle_xo_1_5, + .set_dconload = dcon_set_dconload_xo_1_5, + .read_status = dcon_read_status_xo_1_5, +}; diff --git a/drivers/staging/rdma/hfi1/Kconfig b/drivers/staging/rdma/hfi1/Kconfig index 3e668d852f03..a925fb0db706 100644 --- a/drivers/staging/rdma/hfi1/Kconfig +++ b/drivers/staging/rdma/hfi1/Kconfig @@ -2,6 +2,7 @@ config INFINIBAND_HFI1 tristate "Intel OPA Gen1 support" depends on X86_64 && INFINIBAND_RDMAVT select MMU_NOTIFIER + select CRC32 default m ---help--- This is a low-level driver for Intel OPA Gen1 adapter. diff --git a/drivers/staging/rdma/hfi1/TODO b/drivers/staging/rdma/hfi1/TODO index 05de0dad8762..4c6f1d7d2eaf 100644 --- a/drivers/staging/rdma/hfi1/TODO +++ b/drivers/staging/rdma/hfi1/TODO @@ -3,4 +3,4 @@ July, 2015 - Remove unneeded file entries in sysfs - Remove software processing of IB protocol and place in library for use by qib, ipath (if still present), hfi1, and eventually soft-roce - +- Replace incorrect uAPI diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c index 8396dc5fb6c1..c1c5bf82addb 100644 --- a/drivers/staging/rdma/hfi1/file_ops.c +++ b/drivers/staging/rdma/hfi1/file_ops.c @@ -49,6 +49,8 @@ #include <linux/vmalloc.h> #include <linux/io.h> +#include <rdma/ib.h> + #include "hfi.h" #include "pio.h" #include "device.h" @@ -190,6 +192,10 @@ static ssize_t hfi1_file_write(struct file *fp, const char __user *data, int uctxt_required = 1; int must_be_root = 0; + /* FIXME: This interface cannot continue out of staging */ + if (WARN_ON_ONCE(!ib_safe_file_access(fp))) + return -EACCES; + if (count < sizeof(cmd)) { ret = -EINVAL; goto bail; @@ -791,15 +797,16 @@ static int hfi1_file_close(struct inode *inode, struct file *fp) spin_unlock_irqrestore(&dd->uctxt_lock, flags); dd->rcd[uctxt->ctxt] = NULL; + + hfi1_user_exp_rcv_free(fdata); + hfi1_clear_ctxt_pkey(dd, uctxt->ctxt); + uctxt->rcvwait_to = 0; uctxt->piowait_to = 0; uctxt->rcvnowait = 0; uctxt->pionowait = 0; uctxt->event_flags = 0; - hfi1_user_exp_rcv_free(fdata); - hfi1_clear_ctxt_pkey(dd, uctxt->ctxt); - hfi1_stats.sps_ctxts--; if (++dd->freectxts == dd->num_user_contexts) aspm_enable_all(dd); @@ -1127,27 +1134,13 @@ bail: static int user_init(struct file *fp) { - int ret; unsigned int rcvctrl_ops = 0; struct hfi1_filedata *fd = fp->private_data; struct hfi1_ctxtdata *uctxt = fd->uctxt; /* make sure that the context has already been setup */ - if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) { - ret = -EFAULT; - goto done; - } - - /* - * Subctxts don't need to initialize anything since master - * has done it. - */ - if (fd->subctxt) { - ret = wait_event_interruptible(uctxt->wait, !test_bit( - HFI1_CTXT_MASTER_UNINIT, - &uctxt->event_flags)); - goto expected; - } + if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) + return -EFAULT; /* initialize poll variables... */ uctxt->urgent = 0; @@ -1202,19 +1195,7 @@ static int user_init(struct file *fp) wake_up(&uctxt->wait); } -expected: - /* - * Expected receive has to be setup for all processes (including - * shared contexts). However, it has to be done after the master - * context has been fully configured as it depends on the - * eager/expected split of the RcvArray entries. - * Setting it up here ensures that the subcontexts will be waiting - * (due to the above wait_event_interruptible() until the master - * is setup. - */ - ret = hfi1_user_exp_rcv_init(fp); -done: - return ret; + return 0; } static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len) @@ -1261,7 +1242,7 @@ static int setup_ctxt(struct file *fp) int ret = 0; /* - * Context should be set up only once (including allocation and + * Context should be set up only once, including allocation and * programming of eager buffers. This is done if context sharing * is not requested or by the master process. */ @@ -1282,10 +1263,29 @@ static int setup_ctxt(struct file *fp) if (ret) goto done; } + } else { + ret = wait_event_interruptible(uctxt->wait, !test_bit( + HFI1_CTXT_MASTER_UNINIT, + &uctxt->event_flags)); + if (ret) + goto done; } + ret = hfi1_user_sdma_alloc_queues(uctxt, fp); if (ret) goto done; + /* + * Expected receive has to be setup for all processes (including + * shared contexts). However, it has to be done after the master + * context has been fully configured as it depends on the + * eager/expected split of the RcvArray entries. + * Setting it up here ensures that the subcontexts will be waiting + * (due to the above wait_event_interruptible() until the master + * is setup. + */ + ret = hfi1_user_exp_rcv_init(fp); + if (ret) + goto done; set_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags); done: @@ -1565,29 +1565,8 @@ static loff_t ui_lseek(struct file *filp, loff_t offset, int whence) { struct hfi1_devdata *dd = filp->private_data; - switch (whence) { - case SEEK_SET: - break; - case SEEK_CUR: - offset += filp->f_pos; - break; - case SEEK_END: - offset = ((dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE) - - offset; - break; - default: - return -EINVAL; - } - - if (offset < 0) - return -EINVAL; - - if (offset >= (dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE) - return -EINVAL; - - filp->f_pos = offset; - - return filp->f_pos; + return fixed_size_llseek(filp, offset, whence, + (dd->kregend - dd->kregbase) + DC8051_DATA_MEM_SIZE); } /* NOTE: assumes unsigned long is 8 bytes */ diff --git a/drivers/staging/rdma/hfi1/mmu_rb.c b/drivers/staging/rdma/hfi1/mmu_rb.c index c7ad0164ea9a..b3f0682a36c9 100644 --- a/drivers/staging/rdma/hfi1/mmu_rb.c +++ b/drivers/staging/rdma/hfi1/mmu_rb.c @@ -71,6 +71,7 @@ static inline void mmu_notifier_range_start(struct mmu_notifier *, struct mm_struct *, unsigned long, unsigned long); static void mmu_notifier_mem_invalidate(struct mmu_notifier *, + struct mm_struct *, unsigned long, unsigned long); static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *, unsigned long, unsigned long); @@ -137,7 +138,7 @@ void hfi1_mmu_rb_unregister(struct rb_root *root) rbnode = rb_entry(node, struct mmu_rb_node, node); rb_erase(node, root); if (handler->ops->remove) - handler->ops->remove(root, rbnode, false); + handler->ops->remove(root, rbnode, NULL); } } @@ -176,7 +177,7 @@ unlock: return ret; } -/* Caller must host handler lock */ +/* Caller must hold handler lock */ static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *handler, unsigned long addr, unsigned long len) @@ -200,15 +201,21 @@ static struct mmu_rb_node *__mmu_rb_search(struct mmu_rb_handler *handler, return node; } +/* Caller must *not* hold handler lock. */ static void __mmu_rb_remove(struct mmu_rb_handler *handler, - struct mmu_rb_node *node, bool arg) + struct mmu_rb_node *node, struct mm_struct *mm) { + unsigned long flags; + /* Validity of handler and node pointers has been checked by caller. */ hfi1_cdbg(MMU, "Removing node addr 0x%llx, len %u", node->addr, node->len); + spin_lock_irqsave(&handler->lock, flags); __mmu_int_rb_remove(node, handler->root); + spin_unlock_irqrestore(&handler->lock, flags); + if (handler->ops->remove) - handler->ops->remove(handler->root, node, arg); + handler->ops->remove(handler->root, node, mm); } struct mmu_rb_node *hfi1_mmu_rb_search(struct rb_root *root, unsigned long addr, @@ -231,14 +238,11 @@ struct mmu_rb_node *hfi1_mmu_rb_search(struct rb_root *root, unsigned long addr, void hfi1_mmu_rb_remove(struct rb_root *root, struct mmu_rb_node *node) { struct mmu_rb_handler *handler = find_mmu_handler(root); - unsigned long flags; if (!handler || !node) return; - spin_lock_irqsave(&handler->lock, flags); - __mmu_rb_remove(handler, node, false); - spin_unlock_irqrestore(&handler->lock, flags); + __mmu_rb_remove(handler, node, NULL); } static struct mmu_rb_handler *find_mmu_handler(struct rb_root *root) @@ -260,7 +264,7 @@ unlock: static inline void mmu_notifier_page(struct mmu_notifier *mn, struct mm_struct *mm, unsigned long addr) { - mmu_notifier_mem_invalidate(mn, addr, addr + PAGE_SIZE); + mmu_notifier_mem_invalidate(mn, mm, addr, addr + PAGE_SIZE); } static inline void mmu_notifier_range_start(struct mmu_notifier *mn, @@ -268,25 +272,31 @@ static inline void mmu_notifier_range_start(struct mmu_notifier *mn, unsigned long start, unsigned long end) { - mmu_notifier_mem_invalidate(mn, start, end); + mmu_notifier_mem_invalidate(mn, mm, start, end); } static void mmu_notifier_mem_invalidate(struct mmu_notifier *mn, + struct mm_struct *mm, unsigned long start, unsigned long end) { struct mmu_rb_handler *handler = container_of(mn, struct mmu_rb_handler, mn); struct rb_root *root = handler->root; - struct mmu_rb_node *node; + struct mmu_rb_node *node, *ptr = NULL; unsigned long flags; spin_lock_irqsave(&handler->lock, flags); - for (node = __mmu_int_rb_iter_first(root, start, end - 1); node; - node = __mmu_int_rb_iter_next(node, start, end - 1)) { + for (node = __mmu_int_rb_iter_first(root, start, end - 1); + node; node = ptr) { + /* Guard against node removal. */ + ptr = __mmu_int_rb_iter_next(node, start, end - 1); hfi1_cdbg(MMU, "Invalidating node addr 0x%llx, len %u", node->addr, node->len); - if (handler->ops->invalidate(root, node)) - __mmu_rb_remove(handler, node, true); + if (handler->ops->invalidate(root, node)) { + spin_unlock_irqrestore(&handler->lock, flags); + __mmu_rb_remove(handler, node, mm); + spin_lock_irqsave(&handler->lock, flags); + } } spin_unlock_irqrestore(&handler->lock, flags); } diff --git a/drivers/staging/rdma/hfi1/mmu_rb.h b/drivers/staging/rdma/hfi1/mmu_rb.h index f8523fdb8a18..19a306e83c7d 100644 --- a/drivers/staging/rdma/hfi1/mmu_rb.h +++ b/drivers/staging/rdma/hfi1/mmu_rb.h @@ -59,7 +59,8 @@ struct mmu_rb_node { struct mmu_rb_ops { bool (*filter)(struct mmu_rb_node *, unsigned long, unsigned long); int (*insert)(struct rb_root *, struct mmu_rb_node *); - void (*remove)(struct rb_root *, struct mmu_rb_node *, bool); + void (*remove)(struct rb_root *, struct mmu_rb_node *, + struct mm_struct *); int (*invalidate)(struct rb_root *, struct mmu_rb_node *); }; diff --git a/drivers/staging/rdma/hfi1/qp.c b/drivers/staging/rdma/hfi1/qp.c index 29a5ad28019b..dc9119e1b458 100644 --- a/drivers/staging/rdma/hfi1/qp.c +++ b/drivers/staging/rdma/hfi1/qp.c @@ -519,10 +519,12 @@ static void iowait_sdma_drained(struct iowait *wait) * do the flush work until that QP's * sdma work has finished. */ + spin_lock(&qp->s_lock); if (qp->s_flags & RVT_S_WAIT_DMA) { qp->s_flags &= ~RVT_S_WAIT_DMA; hfi1_schedule_send(qp); } + spin_unlock(&qp->s_lock); } /** diff --git a/drivers/staging/rdma/hfi1/user_exp_rcv.c b/drivers/staging/rdma/hfi1/user_exp_rcv.c index 0861e095df8d..8bd56d5c783d 100644 --- a/drivers/staging/rdma/hfi1/user_exp_rcv.c +++ b/drivers/staging/rdma/hfi1/user_exp_rcv.c @@ -87,7 +87,8 @@ static u32 find_phys_blocks(struct page **, unsigned, struct tid_pageset *); static int set_rcvarray_entry(struct file *, unsigned long, u32, struct tid_group *, struct page **, unsigned); static int mmu_rb_insert(struct rb_root *, struct mmu_rb_node *); -static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *, bool); +static void mmu_rb_remove(struct rb_root *, struct mmu_rb_node *, + struct mm_struct *); static int mmu_rb_invalidate(struct rb_root *, struct mmu_rb_node *); static int program_rcvarray(struct file *, unsigned long, struct tid_group *, struct tid_pageset *, unsigned, u16, struct page **, @@ -254,6 +255,8 @@ int hfi1_user_exp_rcv_free(struct hfi1_filedata *fd) struct hfi1_ctxtdata *uctxt = fd->uctxt; struct tid_group *grp, *gptr; + if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) + return 0; /* * The notifier would have been removed when the process'es mm * was freed. @@ -899,7 +902,7 @@ static int unprogram_rcvarray(struct file *fp, u32 tidinfo, if (!node || node->rcventry != (uctxt->expected_base + rcventry)) return -EBADF; if (HFI1_CAP_IS_USET(TID_UNMAP)) - mmu_rb_remove(&fd->tid_rb_root, &node->mmu, false); + mmu_rb_remove(&fd->tid_rb_root, &node->mmu, NULL); else hfi1_mmu_rb_remove(&fd->tid_rb_root, &node->mmu); @@ -965,7 +968,7 @@ static void unlock_exp_tids(struct hfi1_ctxtdata *uctxt, continue; if (HFI1_CAP_IS_USET(TID_UNMAP)) mmu_rb_remove(&fd->tid_rb_root, - &node->mmu, false); + &node->mmu, NULL); else hfi1_mmu_rb_remove(&fd->tid_rb_root, &node->mmu); @@ -1032,7 +1035,7 @@ static int mmu_rb_insert(struct rb_root *root, struct mmu_rb_node *node) } static void mmu_rb_remove(struct rb_root *root, struct mmu_rb_node *node, - bool notifier) + struct mm_struct *mm) { struct hfi1_filedata *fdata = container_of(root, struct hfi1_filedata, tid_rb_root); diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c index ab6b6a42000f..d53a659548e0 100644 --- a/drivers/staging/rdma/hfi1/user_sdma.c +++ b/drivers/staging/rdma/hfi1/user_sdma.c @@ -278,7 +278,8 @@ static inline void pq_update(struct hfi1_user_sdma_pkt_q *); static void user_sdma_free_request(struct user_sdma_request *, bool); static int pin_vector_pages(struct user_sdma_request *, struct user_sdma_iovec *); -static void unpin_vector_pages(struct mm_struct *, struct page **, unsigned); +static void unpin_vector_pages(struct mm_struct *, struct page **, unsigned, + unsigned); static int check_header_template(struct user_sdma_request *, struct hfi1_pkt_header *, u32, u32); static int set_txreq_header(struct user_sdma_request *, @@ -299,7 +300,8 @@ static int defer_packet_queue( static void activate_packet_queue(struct iowait *, int); static bool sdma_rb_filter(struct mmu_rb_node *, unsigned long, unsigned long); static int sdma_rb_insert(struct rb_root *, struct mmu_rb_node *); -static void sdma_rb_remove(struct rb_root *, struct mmu_rb_node *, bool); +static void sdma_rb_remove(struct rb_root *, struct mmu_rb_node *, + struct mm_struct *); static int sdma_rb_invalidate(struct rb_root *, struct mmu_rb_node *); static struct mmu_rb_ops sdma_rb_ops = { @@ -1063,8 +1065,10 @@ static int pin_vector_pages(struct user_sdma_request *req, rb_node = hfi1_mmu_rb_search(&pq->sdma_rb_root, (unsigned long)iovec->iov.iov_base, iovec->iov.iov_len); - if (rb_node) + if (rb_node && !IS_ERR(rb_node)) node = container_of(rb_node, struct sdma_mmu_node, rb); + else + rb_node = NULL; if (!node) { node = kzalloc(sizeof(*node), GFP_KERNEL); @@ -1107,7 +1111,8 @@ retry: goto bail; } if (pinned != npages) { - unpin_vector_pages(current->mm, pages, pinned); + unpin_vector_pages(current->mm, pages, node->npages, + pinned); ret = -EFAULT; goto bail; } @@ -1147,9 +1152,9 @@ bail: } static void unpin_vector_pages(struct mm_struct *mm, struct page **pages, - unsigned npages) + unsigned start, unsigned npages) { - hfi1_release_user_pages(mm, pages, npages, 0); + hfi1_release_user_pages(mm, pages + start, npages, 0); kfree(pages); } @@ -1502,7 +1507,7 @@ static void user_sdma_free_request(struct user_sdma_request *req, bool unpin) &req->pq->sdma_rb_root, (unsigned long)req->iovs[i].iov.iov_base, req->iovs[i].iov.iov_len); - if (!mnode) + if (!mnode || IS_ERR(mnode)) continue; node = container_of(mnode, struct sdma_mmu_node, rb); @@ -1547,7 +1552,7 @@ static int sdma_rb_insert(struct rb_root *root, struct mmu_rb_node *mnode) } static void sdma_rb_remove(struct rb_root *root, struct mmu_rb_node *mnode, - bool notifier) + struct mm_struct *mm) { struct sdma_mmu_node *node = container_of(mnode, struct sdma_mmu_node, rb); @@ -1557,14 +1562,20 @@ static void sdma_rb_remove(struct rb_root *root, struct mmu_rb_node *mnode, node->pq->n_locked -= node->npages; spin_unlock(&node->pq->evict_lock); - unpin_vector_pages(notifier ? NULL : current->mm, node->pages, + /* + * If mm is set, we are being called by the MMU notifier and we + * should not pass a mm_struct to unpin_vector_page(). This is to + * prevent a deadlock when hfi1_release_user_pages() attempts to + * take the mmap_sem, which the MMU notifier has already taken. + */ + unpin_vector_pages(mm ? NULL : current->mm, node->pages, 0, node->npages); /* * If called by the MMU notifier, we have to adjust the pinned * page count ourselves. */ - if (notifier) - current->mm->pinned_vm -= node->npages; + if (mm) + mm->pinned_vm -= node->npages; kfree(node); } diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index c37eedc35a24..3c3dc4a3d52c 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -376,6 +376,8 @@ config MTK_THERMAL tristate "Temperature sensor driver for mediatek SoCs" depends on ARCH_MEDIATEK || COMPILE_TEST depends on HAS_IOMEM + depends on NVMEM || NVMEM=n + depends on RESET_CONTROLLER default y help Enable this option if you want to have support for thermal management diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index 36d07295f8e3..5e820b541506 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -68,12 +68,12 @@ static inline int _step_to_temp(int step) * Every step equals (1 * 200) / 255 celsius, and finally * need convert to millicelsius. */ - return (HISI_TEMP_BASE + (step * 200 / 255)) * 1000; + return (HISI_TEMP_BASE * 1000 + (step * 200000 / 255)); } static inline long _temp_to_step(long temp) { - return ((temp / 1000 - HISI_TEMP_BASE) * 255 / 200); + return ((temp - HISI_TEMP_BASE * 1000) * 255) / 200000; } static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data, diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c index 3d93b1c07cee..507632b9648e 100644 --- a/drivers/thermal/mtk_thermal.c +++ b/drivers/thermal/mtk_thermal.c @@ -27,7 +27,6 @@ #include <linux/thermal.h> #include <linux/reset.h> #include <linux/types.h> -#include <linux/nvmem-consumer.h> /* AUXADC Registers */ #define AUXADC_CON0_V 0x000 @@ -619,7 +618,7 @@ static struct platform_driver mtk_thermal_driver = { module_platform_driver(mtk_thermal_driver); -MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de"); +MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); MODULE_AUTHOR("Hanyi Wu <hanyi.wu@mediatek.com>"); MODULE_DESCRIPTION("Mediatek thermal driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 49ac23d3e776..d8ec44b194d6 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -803,8 +803,8 @@ static int thermal_of_populate_trip(struct device_node *np, * otherwise, it returns a corresponding ERR_PTR(). Caller must * check the return value with help of IS_ERR() helper. */ -static struct __thermal_zone * -thermal_of_build_thermal_zone(struct device_node *np) +static struct __thermal_zone +__init *thermal_of_build_thermal_zone(struct device_node *np) { struct device_node *child = NULL, *gchild; struct __thermal_zone *tz; diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c index 1246aa6fcab0..2f1a863a8e15 100644 --- a/drivers/thermal/power_allocator.c +++ b/drivers/thermal/power_allocator.c @@ -301,7 +301,7 @@ static void divvy_up_power(u32 *req_power, u32 *max_power, int num_actors, capped_extra_power = 0; extra_power = 0; for (i = 0; i < num_actors; i++) { - u64 req_range = req_power[i] * power_range; + u64 req_range = (u64)req_power[i] * power_range; granted_power[i] = DIV_ROUND_CLOSEST_ULL(req_range, total_req_power); diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index d4b54653ecf8..5133cd1e10b7 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -688,7 +688,7 @@ trip_point_temp_store(struct device *dev, struct device_attribute *attr, { struct thermal_zone_device *tz = to_thermal_zone(dev); int trip, ret; - unsigned long temperature; + int temperature; if (!tz->ops->set_trip_temp) return -EPERM; @@ -696,7 +696,7 @@ trip_point_temp_store(struct device *dev, struct device_attribute *attr, if (!sscanf(attr->attr.name, "trip_point_%d_temp", &trip)) return -EINVAL; - if (kstrtoul(buf, 10, &temperature)) + if (kstrtoint(buf, 10, &temperature)) return -EINVAL; ret = tz->ops->set_trip_temp(tz, trip, temperature); @@ -899,9 +899,9 @@ emul_temp_store(struct device *dev, struct device_attribute *attr, { struct thermal_zone_device *tz = to_thermal_zone(dev); int ret = 0; - unsigned long temperature; + int temperature; - if (kstrtoul(buf, 10, &temperature)) + if (kstrtoint(buf, 10, &temperature)) return -EINVAL; if (!tz->ops->set_emul_temp) { @@ -959,7 +959,7 @@ static DEVICE_ATTR(sustainable_power, S_IWUSR | S_IRUGO, sustainable_power_show, struct thermal_zone_device *tz = to_thermal_zone(dev); \ \ if (tz->tzp) \ - return sprintf(buf, "%u\n", tz->tzp->name); \ + return sprintf(buf, "%d\n", tz->tzp->name); \ else \ return -EIO; \ } \ diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index e16a49b507ef..cf0dc51a2690 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -626,7 +626,7 @@ static int pty_unix98_ioctl(struct tty_struct *tty, */ static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, - struct inode *ptm_inode, int idx) + struct file *file, int idx) { /* Master must be open via /dev/ptmx */ return ERR_PTR(-EIO); @@ -642,12 +642,12 @@ static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver, */ static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver, - struct inode *pts_inode, int idx) + struct file *file, int idx) { struct tty_struct *tty; mutex_lock(&devpts_mutex); - tty = devpts_get_priv(pts_inode); + tty = devpts_get_priv(file->f_path.dentry); mutex_unlock(&devpts_mutex); /* Master must be open before slave */ if (!tty) @@ -663,14 +663,14 @@ static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty) /* this is called once with whichever end is closed last */ static void pty_unix98_remove(struct tty_driver *driver, struct tty_struct *tty) { - struct inode *ptmx_inode; + struct pts_fs_info *fsi; if (tty->driver->subtype == PTY_TYPE_MASTER) - ptmx_inode = tty->driver_data; + fsi = tty->driver_data; else - ptmx_inode = tty->link->driver_data; - devpts_kill_index(ptmx_inode, tty->index); - devpts_del_ref(ptmx_inode); + fsi = tty->link->driver_data; + devpts_kill_index(fsi, tty->index); + devpts_put_ref(fsi); } static const struct tty_operations ptm_unix98_ops = { @@ -720,8 +720,9 @@ static const struct tty_operations pty_unix98_ops = { static int ptmx_open(struct inode *inode, struct file *filp) { + struct pts_fs_info *fsi; struct tty_struct *tty; - struct inode *slave_inode; + struct dentry *dentry; int retval; int index; @@ -734,54 +735,46 @@ static int ptmx_open(struct inode *inode, struct file *filp) if (retval) return retval; + fsi = devpts_get_ref(inode, filp); + retval = -ENODEV; + if (!fsi) + goto out_free_file; + /* find a device that is not in use. */ mutex_lock(&devpts_mutex); - index = devpts_new_index(inode); - if (index < 0) { - retval = index; - mutex_unlock(&devpts_mutex); - goto err_file; - } - + index = devpts_new_index(fsi); mutex_unlock(&devpts_mutex); - mutex_lock(&tty_mutex); - tty = tty_init_dev(ptm_driver, index); + retval = index; + if (index < 0) + goto out_put_ref; - if (IS_ERR(tty)) { - retval = PTR_ERR(tty); - goto out; - } + mutex_lock(&tty_mutex); + tty = tty_init_dev(ptm_driver, index); /* The tty returned here is locked so we can safely drop the mutex */ mutex_unlock(&tty_mutex); - set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ - tty->driver_data = inode; + retval = PTR_ERR(tty); + if (IS_ERR(tty)) + goto out; /* - * In the case where all references to ptmx inode are dropped and we - * still have /dev/tty opened pointing to the master/slave pair (ptmx - * is closed/released before /dev/tty), we must make sure that the inode - * is still valid when we call the final pty_unix98_shutdown, thus we - * hold an additional reference to the ptmx inode. For the same /dev/tty - * last close case, we also need to make sure the super_block isn't - * destroyed (devpts instance unmounted), before /dev/tty is closed and - * on its release devpts_kill_index is called. + * From here on out, the tty is "live", and the index and + * fsi will be killed/put by the tty_release() */ - devpts_add_ref(inode); + set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */ + tty->driver_data = fsi; tty_add_file(tty, filp); - slave_inode = devpts_pty_new(inode, - MKDEV(UNIX98_PTY_SLAVE_MAJOR, index), index, - tty->link); - if (IS_ERR(slave_inode)) { - retval = PTR_ERR(slave_inode); + dentry = devpts_pty_new(fsi, index, tty->link); + if (IS_ERR(dentry)) { + retval = PTR_ERR(dentry); goto err_release; } - tty->link->driver_data = slave_inode; + tty->link->driver_data = dentry; retval = ptm_driver->ops->open(tty, filp); if (retval) @@ -793,12 +786,14 @@ static int ptmx_open(struct inode *inode, struct file *filp) return 0; err_release: tty_unlock(tty); + // This will also put-ref the fsi tty_release(inode, filp); return retval; out: - mutex_unlock(&tty_mutex); - devpts_kill_index(inode, index); -err_file: + devpts_kill_index(fsi, index); +out_put_ref: + devpts_put_ref(fsi); +out_free_file: tty_free_file(filp); return retval; } diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index e213da01a3d7..00ad2637b08c 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1403,9 +1403,18 @@ static void __do_stop_tx_rs485(struct uart_8250_port *p) /* * Empty the RX FIFO, we are not interested in anything * received during the half-duplex transmission. + * Enable previously disabled RX interrupts. */ - if (!(p->port.rs485.flags & SER_RS485_RX_DURING_TX)) + if (!(p->port.rs485.flags & SER_RS485_RX_DURING_TX)) { serial8250_clear_fifos(p); + + serial8250_rpm_get(p); + + p->ier |= UART_IER_RLSI | UART_IER_RDI; + serial_port_out(&p->port, UART_IER, p->ier); + + serial8250_rpm_put(p); + } } static void serial8250_em485_handle_stop_tx(unsigned long arg) diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index 64742a086ae3..4d7cb9c04fce 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -324,7 +324,6 @@ config SERIAL_8250_EM config SERIAL_8250_RT288X bool "Ralink RT288x/RT305x/RT3662/RT3883 serial port support" depends on SERIAL_8250 - depends on MIPS || COMPILE_TEST default y if MIPS_ALCHEMY || SOC_RT288X || SOC_RT305X || SOC_RT3883 || SOC_MT7620 help Selecting this option will add support for the alternate register diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index c9fdfc8bf47f..d08baa668d5d 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -72,7 +72,7 @@ static void uartlite_outbe32(u32 val, void __iomem *addr) iowrite32be(val, addr); } -static const struct uartlite_reg_ops uartlite_be = { +static struct uartlite_reg_ops uartlite_be = { .in = uartlite_inbe32, .out = uartlite_outbe32, }; @@ -87,21 +87,21 @@ static void uartlite_outle32(u32 val, void __iomem *addr) iowrite32(val, addr); } -static const struct uartlite_reg_ops uartlite_le = { +static struct uartlite_reg_ops uartlite_le = { .in = uartlite_inle32, .out = uartlite_outle32, }; static inline u32 uart_in32(u32 offset, struct uart_port *port) { - const struct uartlite_reg_ops *reg_ops = port->private_data; + struct uartlite_reg_ops *reg_ops = port->private_data; return reg_ops->in(port->membase + offset); } static inline void uart_out32(u32 val, u32 offset, struct uart_port *port) { - const struct uartlite_reg_ops *reg_ops = port->private_data; + struct uartlite_reg_ops *reg_ops = port->private_data; reg_ops->out(val, port->membase + offset); } diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 8d26ed79bb4c..24d5491ef0da 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1367,12 +1367,12 @@ static ssize_t tty_line_name(struct tty_driver *driver, int index, char *p) * Locking: tty_mutex must be held. If the tty is found, bump the tty kref. */ static struct tty_struct *tty_driver_lookup_tty(struct tty_driver *driver, - struct inode *inode, int idx) + struct file *file, int idx) { struct tty_struct *tty; if (driver->ops->lookup) - tty = driver->ops->lookup(driver, inode, idx); + tty = driver->ops->lookup(driver, file, idx); else tty = driver->ttys[idx]; @@ -2040,7 +2040,7 @@ static struct tty_struct *tty_open_by_driver(dev_t device, struct inode *inode, } /* check whether we're reopening an existing tty */ - tty = tty_driver_lookup_tty(driver, inode, index); + tty = tty_driver_lookup_tty(driver, filp, index); if (IS_ERR(tty)) { mutex_unlock(&tty_mutex); goto out; @@ -2049,14 +2049,13 @@ static struct tty_struct *tty_open_by_driver(dev_t device, struct inode *inode, if (tty) { mutex_unlock(&tty_mutex); retval = tty_lock_interruptible(tty); + tty_kref_put(tty); /* drop kref from tty_driver_lookup_tty() */ if (retval) { if (retval == -EINTR) retval = -ERESTARTSYS; tty = ERR_PTR(retval); goto out; } - /* safe to drop the kref from tty_driver_lookup_tty() */ - tty_kref_put(tty); retval = tty_reopen(tty); if (retval < 0) { tty_unlock(tty); @@ -2158,7 +2157,7 @@ retry_open: read_lock(&tasklist_lock); spin_lock_irq(¤t->sighand->siglock); noctty = (filp->f_flags & O_NOCTTY) || - device == MKDEV(TTY_MAJOR, 0) || + (IS_ENABLED(CONFIG_VT) && device == MKDEV(TTY_MAJOR, 0)) || device == MKDEV(TTYAUX_MAJOR, 1) || (tty->driver->type == TTY_DRIVER_TYPE_PTY && tty->driver->subtype == PTY_TYPE_MASTER); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 83fd30b0577c..a6c4a1b895bd 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -744,11 +744,15 @@ static void acm_tty_flush_chars(struct tty_struct *tty) int err; unsigned long flags; + if (!cur) /* nothing to do */ + return; + acm->putbuffer = NULL; err = usb_autopm_get_interface_async(acm->control); spin_lock_irqsave(&acm->write_lock, flags); if (err < 0) { cur->use = 0; + acm->putbuffer = cur; goto out; } diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 5eb1a87228b4..31ccdccd7a04 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -75,8 +75,6 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, * be the first thing immediately following the endpoint descriptor. */ desc = (struct usb_ss_ep_comp_descriptor *) buffer; - buffer += desc->bLength; - size -= desc->bLength; if (desc->bDescriptorType != USB_DT_SS_ENDPOINT_COMP || size < USB_DT_SS_EP_COMP_SIZE) { @@ -100,7 +98,8 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, ep->desc.wMaxPacketSize; return; } - + buffer += desc->bLength; + size -= desc->bLength; memcpy(&ep->ss_ep_comp, desc, USB_DT_SS_EP_COMP_SIZE); /* Check the various values */ @@ -146,12 +145,6 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, ep->ss_ep_comp.bmAttributes = 2; } - /* Parse a possible SuperSpeedPlus isoc ep companion descriptor */ - if (usb_endpoint_xfer_isoc(&ep->desc) && - USB_SS_SSP_ISOC_COMP(desc->bmAttributes)) - usb_parse_ssp_isoc_endpoint_companion(ddev, cfgno, inum, asnum, - ep, buffer, size); - if (usb_endpoint_xfer_isoc(&ep->desc)) max_tx = (desc->bMaxBurst + 1) * (USB_SS_MULT(desc->bmAttributes)) * @@ -171,6 +164,11 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, max_tx); ep->ss_ep_comp.wBytesPerInterval = cpu_to_le16(max_tx); } + /* Parse a possible SuperSpeedPlus isoc ep companion descriptor */ + if (usb_endpoint_xfer_isoc(&ep->desc) && + USB_SS_SSP_ISOC_COMP(desc->bmAttributes)) + usb_parse_ssp_isoc_endpoint_companion(ddev, cfgno, inum, asnum, + ep, buffer, size); } static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index f9d42cf23e55..7859d738df41 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -73,6 +73,15 @@ static void for_each_companion(struct pci_dev *pdev, struct usb_hcd *hcd, if (companion->bus != pdev->bus || PCI_SLOT(companion->devfn) != slot) continue; + + /* + * Companion device should be either UHCI,OHCI or EHCI host + * controller, otherwise skip. + */ + if (companion->class != CL_UHCI && companion->class != CL_OHCI && + companion->class != CL_EHCI) + continue; + companion_hcd = pci_get_drvdata(companion); if (!companion_hcd || !companion_hcd->self.root_hub) continue; diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index 14718a9ffcfb..460c855be0d0 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -249,18 +249,12 @@ static int usb_port_runtime_suspend(struct device *dev) return retval; } - -static int usb_port_prepare(struct device *dev) -{ - return 1; -} #endif static const struct dev_pm_ops usb_port_pm_ops = { #ifdef CONFIG_PM .runtime_suspend = usb_port_runtime_suspend, .runtime_resume = usb_port_runtime_resume, - .prepare = usb_port_prepare, #endif }; diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index dcb85e3cd5a7..479187c32571 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -312,13 +312,7 @@ static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env) static int usb_dev_prepare(struct device *dev) { - struct usb_device *udev = to_usb_device(dev); - - /* Return 0 if the current wakeup setting is wrong, otherwise 1 */ - if (udev->do_remote_wakeup != device_may_wakeup(dev)) - return 0; - - return 1; + return 0; /* Implement eventually? */ } static void usb_dev_complete(struct device *dev) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index e9940dd004e4..818f158232bb 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2254,6 +2254,7 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, { u32 intmsk; u32 val; + u32 usbcfg; /* Kill any ep0 requests as controller will be reinitialized */ kill_all_requests(hsotg, hsotg->eps_out[0], -ECONNRESET); @@ -2267,10 +2268,16 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, * set configuration. */ + /* keep other bits untouched (so e.g. forced modes are not lost) */ + usbcfg = dwc2_readl(hsotg->regs + GUSBCFG); + usbcfg &= ~(GUSBCFG_TOUTCAL_MASK | GUSBCFG_PHYIF16 | GUSBCFG_SRPCAP | + GUSBCFG_HNPCAP); + /* set the PLL on, remove the HNP/SRP and set the PHY */ val = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5; - dwc2_writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) | - (val << GUSBCFG_USBTRDTIM_SHIFT), hsotg->regs + GUSBCFG); + usbcfg |= hsotg->phyif | GUSBCFG_TOUTCAL(7) | + (val << GUSBCFG_USBTRDTIM_SHIFT); + dwc2_writel(usbcfg, hsotg->regs + GUSBCFG); dwc2_hsotg_init_fifo(hsotg); @@ -3031,6 +3038,7 @@ static struct usb_ep_ops dwc2_hsotg_ep_ops = { static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg) { u32 trdtim; + u32 usbcfg; /* unmask subset of endpoint interrupts */ dwc2_writel(DIEPMSK_TIMEOUTMSK | DIEPMSK_AHBERRMSK | @@ -3054,11 +3062,16 @@ static void dwc2_hsotg_init(struct dwc2_hsotg *hsotg) dwc2_hsotg_init_fifo(hsotg); + /* keep other bits untouched (so e.g. forced modes are not lost) */ + usbcfg = dwc2_readl(hsotg->regs + GUSBCFG); + usbcfg &= ~(GUSBCFG_TOUTCAL_MASK | GUSBCFG_PHYIF16 | GUSBCFG_SRPCAP | + GUSBCFG_HNPCAP); + /* set the PLL on, remove the HNP/SRP and set the PHY */ trdtim = (hsotg->phyif == GUSBCFG_PHYIF8) ? 9 : 5; - dwc2_writel(hsotg->phyif | GUSBCFG_TOUTCAL(7) | - (trdtim << GUSBCFG_USBTRDTIM_SHIFT), - hsotg->regs + GUSBCFG); + usbcfg |= hsotg->phyif | GUSBCFG_TOUTCAL(7) | + (trdtim << GUSBCFG_USBTRDTIM_SHIFT); + dwc2_writel(usbcfg, hsotg->regs + GUSBCFG); if (using_dma(hsotg)) __orr32(hsotg->regs + GAHBCFG, GAHBCFG_DMA_EN); diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 17fd81447c9f..34277ced26bd 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -67,23 +67,9 @@ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) static int dwc3_core_soft_reset(struct dwc3 *dwc) { u32 reg; + int retries = 1000; int ret; - /* Before Resetting PHY, put Core in Reset */ - reg = dwc3_readl(dwc->regs, DWC3_GCTL); - reg |= DWC3_GCTL_CORESOFTRESET; - dwc3_writel(dwc->regs, DWC3_GCTL, reg); - - /* Assert USB3 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - reg |= DWC3_GUSB3PIPECTL_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); - - /* Assert USB2 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); - reg |= DWC3_GUSB2PHYCFG_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); - usb_phy_init(dwc->usb2_phy); usb_phy_init(dwc->usb3_phy); ret = phy_init(dwc->usb2_generic_phy); @@ -95,26 +81,28 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) phy_exit(dwc->usb2_generic_phy); return ret; } - mdelay(100); - /* Clear USB3 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - reg &= ~DWC3_GUSB3PIPECTL_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); + /* + * We're resetting only the device side because, if we're in host mode, + * XHCI driver will reset the host block. If dwc3 was configured for + * host-only mode, then we can return early. + */ + if (dwc->dr_mode == USB_DR_MODE_HOST) + return 0; - /* Clear USB2 PHY reset */ - reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); - reg &= ~DWC3_GUSB2PHYCFG_PHYSOFTRST; - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + reg |= DWC3_DCTL_CSFTRST; + dwc3_writel(dwc->regs, DWC3_DCTL, reg); - mdelay(100); + do { + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + if (!(reg & DWC3_DCTL_CSFTRST)) + return 0; - /* After PHYs are stable we can take Core out of reset state */ - reg = dwc3_readl(dwc->regs, DWC3_GCTL); - reg &= ~DWC3_GCTL_CORESOFTRESET; - dwc3_writel(dwc->regs, DWC3_GCTL, reg); + udelay(1); + } while (--retries); - return 0; + return -ETIMEDOUT; } /** @@ -1162,6 +1150,11 @@ static int dwc3_suspend(struct device *dev) phy_exit(dwc->usb2_generic_phy); phy_exit(dwc->usb3_generic_phy); + usb_phy_set_suspend(dwc->usb2_phy, 1); + usb_phy_set_suspend(dwc->usb3_phy, 1); + WARN_ON(phy_power_off(dwc->usb2_generic_phy) < 0); + WARN_ON(phy_power_off(dwc->usb3_generic_phy) < 0); + pinctrl_pm_select_sleep_state(dev); return 0; @@ -1175,11 +1168,21 @@ static int dwc3_resume(struct device *dev) pinctrl_pm_select_default_state(dev); + usb_phy_set_suspend(dwc->usb2_phy, 0); + usb_phy_set_suspend(dwc->usb3_phy, 0); + ret = phy_power_on(dwc->usb2_generic_phy); + if (ret < 0) + return ret; + + ret = phy_power_on(dwc->usb3_generic_phy); + if (ret < 0) + goto err_usb2phy_power; + usb_phy_init(dwc->usb3_phy); usb_phy_init(dwc->usb2_phy); ret = phy_init(dwc->usb2_generic_phy); if (ret < 0) - return ret; + goto err_usb3phy_power; ret = phy_init(dwc->usb3_generic_phy); if (ret < 0) @@ -1212,6 +1215,12 @@ static int dwc3_resume(struct device *dev) err_usb2phy_init: phy_exit(dwc->usb2_generic_phy); +err_usb3phy_power: + phy_power_off(dwc->usb3_generic_phy); + +err_usb2phy_power: + phy_power_off(dwc->usb2_generic_phy); + return ret; } diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 9ac37fe1b6a7..cebf9e38b60a 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -645,7 +645,7 @@ int dwc3_debugfs_init(struct dwc3 *dwc) file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset); if (!file) { ret = -ENOMEM; - goto err1; + goto err2; } if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) { @@ -653,7 +653,7 @@ int dwc3_debugfs_init(struct dwc3 *dwc) dwc, &dwc3_mode_fops); if (!file) { ret = -ENOMEM; - goto err1; + goto err2; } } @@ -663,19 +663,22 @@ int dwc3_debugfs_init(struct dwc3 *dwc) dwc, &dwc3_testmode_fops); if (!file) { ret = -ENOMEM; - goto err1; + goto err2; } file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, dwc, &dwc3_link_state_fops); if (!file) { ret = -ENOMEM; - goto err1; + goto err2; } } return 0; +err2: + kfree(dwc->regset); + err1: debugfs_remove_recursive(root); @@ -686,5 +689,5 @@ err0: void dwc3_debugfs_exit(struct dwc3 *dwc) { debugfs_remove_recursive(dwc->root); - dwc->root = NULL; + kfree(dwc->regset); } diff --git a/drivers/usb/dwc3/dwc3-keystone.c b/drivers/usb/dwc3/dwc3-keystone.c index 2be268d2423d..72664700b8a2 100644 --- a/drivers/usb/dwc3/dwc3-keystone.c +++ b/drivers/usb/dwc3/dwc3-keystone.c @@ -39,8 +39,6 @@ #define USBSS_IRQ_COREIRQ_EN BIT(0) #define USBSS_IRQ_COREIRQ_CLR BIT(0) -static u64 kdwc3_dma_mask; - struct dwc3_keystone { struct device *dev; struct clk *clk; @@ -108,9 +106,6 @@ static int kdwc3_probe(struct platform_device *pdev) if (IS_ERR(kdwc->usbss)) return PTR_ERR(kdwc->usbss); - kdwc3_dma_mask = dma_get_mask(dev); - dev->dma_mask = &kdwc3_dma_mask; - kdwc->clk = devm_clk_get(kdwc->dev, "usb"); error = clk_prepare_enable(kdwc->clk); diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 22e9606d8e08..55da2c7f727f 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -496,7 +496,7 @@ static int dwc3_omap_probe(struct platform_device *pdev) ret = pm_runtime_get_sync(dev); if (ret < 0) { dev_err(dev, "get_sync failed with err %d\n", ret); - goto err0; + goto err1; } dwc3_omap_map_offset(omap); @@ -516,28 +516,24 @@ static int dwc3_omap_probe(struct platform_device *pdev) ret = dwc3_omap_extcon_register(omap); if (ret < 0) - goto err2; + goto err1; ret = of_platform_populate(node, NULL, NULL, dev); if (ret) { dev_err(&pdev->dev, "failed to create dwc3 core\n"); - goto err3; + goto err2; } dwc3_omap_enable_irqs(omap); return 0; -err3: +err2: extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb); extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb); -err2: - dwc3_omap_disable_irqs(omap); err1: pm_runtime_put_sync(dev); - -err0: pm_runtime_disable(dev); return ret; diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 009d83048c8c..adc1e8a624cb 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -35,6 +35,7 @@ #define PCI_DEVICE_ID_INTEL_SPTLP 0x9d30 #define PCI_DEVICE_ID_INTEL_SPTH 0xa130 #define PCI_DEVICE_ID_INTEL_BXT 0x0aaa +#define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa #define PCI_DEVICE_ID_INTEL_APL 0x5aaa static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; @@ -213,6 +214,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, { } /* Terminating Entry */ diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3ac170f9d94d..8e4a1b195e9b 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -568,7 +568,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, dwc3_writel(dwc->regs, DWC3_DALEPENA, reg); if (!usb_endpoint_xfer_isoc(desc)) - return 0; + goto out; /* Link TRB for ISOC. The HWO bit is never reset */ trb_st_hw = &dep->trb_pool[0]; @@ -582,9 +582,10 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, trb_link->ctrl |= DWC3_TRB_CTRL_HWO; } +out: switch (usb_endpoint_type(desc)) { case USB_ENDPOINT_XFER_CONTROL: - strlcat(dep->name, "-control", sizeof(dep->name)); + /* don't change name */ break; case USB_ENDPOINT_XFER_ISOC: strlcat(dep->name, "-isoc", sizeof(dep->name)); @@ -2487,7 +2488,11 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) * implemented. */ - dwc->gadget_driver->resume(&dwc->gadget); + if (dwc->gadget_driver && dwc->gadget_driver->resume) { + spin_unlock(&dwc->lock); + dwc->gadget_driver->resume(&dwc->gadget); + spin_lock(&dwc->lock); + } } static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, @@ -2931,6 +2936,9 @@ void dwc3_gadget_exit(struct dwc3 *dwc) int dwc3_gadget_suspend(struct dwc3 *dwc) { + if (!dwc->gadget_driver) + return 0; + if (dwc->pullups_connected) { dwc3_gadget_disable_irq(dwc); dwc3_gadget_run_stop(dwc, true, true); @@ -2949,6 +2957,9 @@ int dwc3_gadget_resume(struct dwc3 *dwc) struct dwc3_ep *dep; int ret; + if (!dwc->gadget_driver) + return 0; + /* Start with SuperSpeed Default */ dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a5c62093c26c..524e233d48de 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -651,12 +651,15 @@ static int bos_desc(struct usb_composite_dev *cdev) ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(1); ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY; ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE; + ssp_cap->bReserved = 0; + ssp_cap->wReserved = 0; /* SSAC = 1 (2 attributes) */ ssp_cap->bmAttributes = cpu_to_le32(1); /* Min RX/TX Lane Count = 1 */ - ssp_cap->wFunctionalitySupport = (1 << 8) | (1 << 12); + ssp_cap->wFunctionalitySupport = + cpu_to_le16((1 << 8) | (1 << 12)); /* * bmSublinkSpeedAttr[0]: @@ -666,7 +669,7 @@ static int bos_desc(struct usb_composite_dev *cdev) * LSM = 10 (10 Gbps) */ ssp_cap->bmSublinkSpeedAttr[0] = - (3 << 4) | (1 << 14) | (0xa << 16); + cpu_to_le32((3 << 4) | (1 << 14) | (0xa << 16)); /* * bmSublinkSpeedAttr[1] = * ST = Symmetric, TX @@ -675,7 +678,8 @@ static int bos_desc(struct usb_composite_dev *cdev) * LSM = 10 (10 Gbps) */ ssp_cap->bmSublinkSpeedAttr[1] = - (3 << 4) | (1 << 14) | (0xa << 16) | (1 << 7); + cpu_to_le32((3 << 4) | (1 << 14) | + (0xa << 16) | (1 << 7)); } return le16_to_cpu(bos->wTotalLength); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 8cfce105c7ee..15b648cbc75c 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -646,6 +646,7 @@ static void ffs_user_copy_worker(struct work_struct *work) work); int ret = io_data->req->status ? io_data->req->status : io_data->req->actual; + bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD; if (io_data->read && ret > 0) { use_mm(io_data->mm); @@ -657,13 +658,11 @@ static void ffs_user_copy_worker(struct work_struct *work) io_data->kiocb->ki_complete(io_data->kiocb, ret, ret); - if (io_data->ffs->ffs_eventfd && - !(io_data->kiocb->ki_flags & IOCB_EVENTFD)) + if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd) eventfd_signal(io_data->ffs->ffs_eventfd, 1); usb_ep_free_request(io_data->ep, io_data->req); - io_data->kiocb->private = NULL; if (io_data->read) kfree(io_data->to_free); kfree(io_data->buf); @@ -1147,8 +1146,8 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) ffs->sb = sb; data->ffs_data = NULL; sb->s_fs_info = ffs; - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; + sb->s_blocksize = PAGE_SIZE; + sb->s_blocksize_bits = PAGE_SHIFT; sb->s_magic = FUNCTIONFS_MAGIC; sb->s_op = &ffs_sb_operations; sb->s_time_gran = 1; diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 84c0ee5ebd1e..58fc199a18ec 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -24,6 +24,7 @@ #include <linux/slab.h> #include <linux/device.h> #include <linux/kfifo.h> +#include <linux/spinlock.h> #include <sound/core.h> #include <sound/initval.h> @@ -89,6 +90,7 @@ struct f_midi { unsigned int buflen, qlen; /* This fifo is used as a buffer ring for pre-allocated IN usb_requests */ DECLARE_KFIFO_PTR(in_req_fifo, struct usb_request *); + spinlock_t transmit_lock; unsigned int in_last_port; struct gmidi_in_port in_ports_array[/* in_ports */]; @@ -358,7 +360,9 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) /* allocate a bunch of read buffers and queue them all at once. */ for (i = 0; i < midi->qlen && err == 0; i++) { struct usb_request *req = - midi_alloc_ep_req(midi->out_ep, midi->buflen); + midi_alloc_ep_req(midi->out_ep, + max_t(unsigned, midi->buflen, + bulk_out_desc.wMaxPacketSize)); if (req == NULL) return -ENOMEM; @@ -597,17 +601,24 @@ static void f_midi_transmit(struct f_midi *midi) { struct usb_ep *ep = midi->in_ep; int ret; + unsigned long flags; /* We only care about USB requests if IN endpoint is enabled */ if (!ep || !ep->enabled) goto drop_out; + spin_lock_irqsave(&midi->transmit_lock, flags); + do { ret = f_midi_do_transmit(midi, ep); - if (ret < 0) + if (ret < 0) { + spin_unlock_irqrestore(&midi->transmit_lock, flags); goto drop_out; + } } while (ret); + spin_unlock_irqrestore(&midi->transmit_lock, flags); + return; drop_out: @@ -1201,6 +1212,8 @@ static struct usb_function *f_midi_alloc(struct usb_function_instance *fi) if (status) goto setup_fail; + spin_lock_init(&midi->transmit_lock); + ++opts->refcnt; mutex_unlock(&opts->lock); diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index 5cdaf0150a4e..e64479f882a5 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1954,8 +1954,8 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) return -ENODEV; /* superblock */ - sb->s_blocksize = PAGE_CACHE_SIZE; - sb->s_blocksize_bits = PAGE_CACHE_SHIFT; + sb->s_blocksize = PAGE_SIZE; + sb->s_blocksize_bits = PAGE_SHIFT; sb->s_magic = GADGETFS_MAGIC; sb->s_op = &gadget_fs_operations; sb->s_time_gran = 1; diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 81d42cce885a..18569de06b04 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1045,20 +1045,6 @@ static void reset_all_endpoints(struct usba_udc *udc) list_del_init(&req->queue); request_complete(ep, req, -ECONNRESET); } - - /* NOTE: normally, the next call to the gadget driver is in - * charge of disabling endpoints... usually disconnect(). - * The exception would be entering a high speed test mode. - * - * FIXME remove this code ... and retest thoroughly. - */ - list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) { - if (ep->ep.desc) { - spin_unlock(&udc->lock); - usba_ep_disable(&ep->ep); - spin_lock(&udc->lock); - } - } } static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex) diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index 4151597e9d28..e4e70e11d0f6 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -371,12 +371,6 @@ int usb_add_gadget_udc_release(struct device *parent, struct usb_gadget *gadget, INIT_WORK(&gadget->work, usb_gadget_state_work); gadget->dev.parent = parent; -#ifdef CONFIG_HAS_DMA - dma_set_coherent_mask(&gadget->dev, parent->coherent_dma_mask); - gadget->dev.dma_parms = parent->dma_parms; - gadget->dev.dma_mask = parent->dma_mask; -#endif - if (release) gadget->dev.release = release; else diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 80c1de239e9a..bad0d1f9a41d 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1861,6 +1861,12 @@ no_bw: kfree(xhci->rh_bw); kfree(xhci->ext_caps); + xhci->usb2_ports = NULL; + xhci->usb3_ports = NULL; + xhci->port_array = NULL; + xhci->rh_bw = NULL; + xhci->ext_caps = NULL; + xhci->page_size = 0; xhci->page_shift = 0; xhci->bus_state[0].bus_suspended = 0; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index f0640b7a1c42..48672fac7ff3 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -48,6 +48,7 @@ #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI 0xa12f #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI 0x9d2f #define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI 0x0aa8 +#define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI 0x1aa8 static const char hcd_name[] = "xhci_hcd"; @@ -155,7 +156,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) (pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI)) { + pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI)) { xhci->quirks |= XHCI_PME_STUCK_QUIRK; } if (pdev->vendor == PCI_VENDOR_ID_INTEL && @@ -302,6 +304,7 @@ static void xhci_pci_remove(struct pci_dev *dev) struct xhci_hcd *xhci; xhci = hcd_to_xhci(pci_get_drvdata(dev)); + xhci->xhc_state |= XHCI_STATE_REMOVING; if (xhci->shared_hcd) { usb_remove_hcd(xhci->shared_hcd); usb_put_hcd(xhci->shared_hcd); diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 5c15e9bc5f7a..474b5fa14900 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -39,12 +39,25 @@ static const struct xhci_driver_overrides xhci_plat_overrides __initconst = { static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci) { + struct usb_hcd *hcd = xhci_to_hcd(xhci); + /* * As of now platform drivers don't provide MSI support so we ensure * here that the generic code does not try to make a pci_dev from our * dev struct in order to setup MSI */ xhci->quirks |= XHCI_PLAT; + + /* + * On R-Car Gen2 and Gen3, the AC64 bit (bit 0) of HCCPARAMS1 is set + * to 1. However, these SoCs don't support 64-bit address memory + * pointers. So, this driver clears the AC64 bit of xhci->hcc_params + * to call dma_set_coherent_mask(dev, DMA_BIT_MASK(32)) in + * xhci_gen_setup(). + */ + if (xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2) || + xhci_plat_type_is(hcd, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3)) + xhci->quirks |= XHCI_NO_64BIT_SUPPORT; } /* called during probe() after chip reset completes */ diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 5a2e2e3936c4..529c3c40f901 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -14,7 +14,7 @@ #include "xhci.h" /* for hcd_to_xhci() */ enum xhci_plat_type { - XHCI_PLAT_TYPE_MARVELL_ARMADA, + XHCI_PLAT_TYPE_MARVELL_ARMADA = 1, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN2, XHCI_PLAT_TYPE_RENESAS_RCAR_GEN3, }; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 7cf66212ceae..99b4ff42f7a0 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -4004,7 +4004,8 @@ static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd, int reserved_trbs = xhci->cmd_ring_reserved_trbs; int ret; - if (xhci->xhc_state) { + if ((xhci->xhc_state & XHCI_STATE_DYING) || + (xhci->xhc_state & XHCI_STATE_HALTED)) { xhci_dbg(xhci, "xHCI dying or halted, can't queue_command\n"); return -ESHUTDOWN; } diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index d51ee0c3cf9f..9e71c96ad74a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -147,7 +147,8 @@ static int xhci_start(struct xhci_hcd *xhci) "waited %u microseconds.\n", XHCI_MAX_HALT_USEC); if (!ret) - xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING); + /* clear state flags. Including dying, halted or removing */ + xhci->xhc_state = 0; return ret; } @@ -1108,8 +1109,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) /* Resume root hubs only when have pending events. */ status = readl(&xhci->op_regs->status); if (status & STS_EINT) { - usb_hcd_resume_root_hub(hcd); usb_hcd_resume_root_hub(xhci->shared_hcd); + usb_hcd_resume_root_hub(hcd); } } @@ -1124,10 +1125,10 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) /* Re-enable port polling. */ xhci_dbg(xhci, "%s: starting port polling.\n", __func__); - set_bit(HCD_FLAG_POLL_RH, &hcd->flags); - usb_hcd_poll_rh_status(hcd); set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags); usb_hcd_poll_rh_status(xhci->shared_hcd); + set_bit(HCD_FLAG_POLL_RH, &hcd->flags); + usb_hcd_poll_rh_status(hcd); return retval; } @@ -2773,7 +2774,8 @@ int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev) if (ret <= 0) return ret; xhci = hcd_to_xhci(hcd); - if (xhci->xhc_state & XHCI_STATE_DYING) + if ((xhci->xhc_state & XHCI_STATE_DYING) || + (xhci->xhc_state & XHCI_STATE_REMOVING)) return -ENODEV; xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev); @@ -3820,7 +3822,7 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, mutex_lock(&xhci->mutex); - if (xhci->xhc_state) /* dying or halted */ + if (xhci->xhc_state) /* dying, removing or halted */ goto out; if (!udev->slot_id) { @@ -4948,6 +4950,16 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) return retval; xhci_dbg(xhci, "Reset complete\n"); + /* + * On some xHCI controllers (e.g. R-Car SoCs), the AC64 bit (bit 0) + * of HCCPARAMS1 is set to 1. However, the xHCs don't support 64-bit + * address memory pointers actually. So, this driver clears the AC64 + * bit of xhci->hcc_params to call dma_set_coherent_mask(dev, + * DMA_BIT_MASK(32)) in this xhci_gen_setup(). + */ + if (xhci->quirks & XHCI_NO_64BIT_SUPPORT) + xhci->hcc_params &= ~BIT(0); + /* Set dma_mask and coherent_dma_mask to 64-bits, * if xHC supports 64-bit addressing */ if (HCC_64BIT_ADDR(xhci->hcc_params) && diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index e293e0974f48..6c629c97f8ad 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1605,6 +1605,7 @@ struct xhci_hcd { */ #define XHCI_STATE_DYING (1 << 0) #define XHCI_STATE_HALTED (1 << 1) +#define XHCI_STATE_REMOVING (1 << 2) /* Statistics */ int error_bitmask; unsigned int quirks; @@ -1641,6 +1642,7 @@ struct xhci_hcd { #define XHCI_PME_STUCK_QUIRK (1 << 20) #define XHCI_MTK_HOST (1 << 21) #define XHCI_SSIC_PORT_UNUSED (1 << 22) +#define XHCI_NO_64BIT_SUPPORT (1 << 23) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c index 5e5a8fa005f8..bc8889956d17 100644 --- a/drivers/usb/musb/jz4740.c +++ b/drivers/usb/musb/jz4740.c @@ -83,9 +83,9 @@ static int jz4740_musb_init(struct musb *musb) { usb_phy_generic_register(); musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2); - if (!musb->xceiv) { + if (IS_ERR(musb->xceiv)) { pr_err("HS UDC: no transceiver configured\n"); - return -ENODEV; + return PTR_ERR(musb->xceiv); } /* Silicon does not implement ConfigData register. diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 87bd578799a8..152865b36522 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1164,12 +1164,12 @@ static int musb_gadget_disable(struct usb_ep *ep) musb_writew(epio, MUSB_RXMAXP, 0); } - musb_ep->desc = NULL; - musb_ep->end_point.desc = NULL; - /* abort all pending DMA and requests */ nuke(musb_ep, -ESHUTDOWN); + musb_ep->desc = NULL; + musb_ep->end_point.desc = NULL; + schedule_work(&musb->irq_work); spin_unlock_irqrestore(&(musb->lock), flags); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 58487a473521..2f8ad7f1f482 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2735,7 +2735,7 @@ static const struct hc_driver musb_hc_driver = { .description = "musb-hcd", .product_desc = "MUSB HDRC host driver", .hcd_priv_size = sizeof(struct musb *), - .flags = HCD_USB2 | HCD_MEMORY | HCD_BH, + .flags = HCD_USB2 | HCD_MEMORY, /* not using irq handler or reset hooks from usbcore, since * those must be shared with peripheral code for OTG configs diff --git a/drivers/usb/phy/phy-qcom-8x16-usb.c b/drivers/usb/phy/phy-qcom-8x16-usb.c index 579587d97217..3d7af85aecb9 100644 --- a/drivers/usb/phy/phy-qcom-8x16-usb.c +++ b/drivers/usb/phy/phy-qcom-8x16-usb.c @@ -65,9 +65,7 @@ struct phy_8x16 { void __iomem *regs; struct clk *core_clk; struct clk *iface_clk; - struct regulator *v3p3; - struct regulator *v1p8; - struct regulator *vdd; + struct regulator_bulk_data regulator[3]; struct reset_control *phy_reset; @@ -78,51 +76,6 @@ struct phy_8x16 { struct notifier_block reboot_notify; }; -static int phy_8x16_regulators_enable(struct phy_8x16 *qphy) -{ - int ret; - - ret = regulator_set_voltage(qphy->vdd, HSPHY_VDD_MIN, HSPHY_VDD_MAX); - if (ret) - return ret; - - ret = regulator_enable(qphy->vdd); - if (ret) - return ret; - - ret = regulator_set_voltage(qphy->v3p3, HSPHY_3P3_MIN, HSPHY_3P3_MAX); - if (ret) - goto off_vdd; - - ret = regulator_enable(qphy->v3p3); - if (ret) - goto off_vdd; - - ret = regulator_set_voltage(qphy->v1p8, HSPHY_1P8_MIN, HSPHY_1P8_MAX); - if (ret) - goto off_3p3; - - ret = regulator_enable(qphy->v1p8); - if (ret) - goto off_3p3; - - return 0; - -off_3p3: - regulator_disable(qphy->v3p3); -off_vdd: - regulator_disable(qphy->vdd); - - return ret; -} - -static void phy_8x16_regulators_disable(struct phy_8x16 *qphy) -{ - regulator_disable(qphy->v1p8); - regulator_disable(qphy->v3p3); - regulator_disable(qphy->vdd); -} - static int phy_8x16_notify_connect(struct usb_phy *phy, enum usb_device_speed speed) { @@ -261,7 +214,6 @@ static void phy_8x16_shutdown(struct usb_phy *phy) static int phy_8x16_read_devicetree(struct phy_8x16 *qphy) { - struct regulator_bulk_data regs[3]; struct device *dev = qphy->phy.dev; int ret; @@ -273,18 +225,15 @@ static int phy_8x16_read_devicetree(struct phy_8x16 *qphy) if (IS_ERR(qphy->iface_clk)) return PTR_ERR(qphy->iface_clk); - regs[0].supply = "v3p3"; - regs[1].supply = "v1p8"; - regs[2].supply = "vddcx"; + qphy->regulator[0].supply = "v3p3"; + qphy->regulator[1].supply = "v1p8"; + qphy->regulator[2].supply = "vddcx"; - ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(regs), regs); + ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(qphy->regulator), + qphy->regulator); if (ret) return ret; - qphy->v3p3 = regs[0].consumer; - qphy->v1p8 = regs[1].consumer; - qphy->vdd = regs[2].consumer; - qphy->phy_reset = devm_reset_control_get(dev, "phy"); if (IS_ERR(qphy->phy_reset)) return PTR_ERR(qphy->phy_reset); @@ -364,8 +313,9 @@ static int phy_8x16_probe(struct platform_device *pdev) if (ret < 0) goto off_core; - ret = phy_8x16_regulators_enable(qphy); - if (0 && ret) + ret = regulator_bulk_enable(ARRAY_SIZE(qphy->regulator), + qphy->regulator); + if (WARN_ON(ret)) goto off_clks; qphy->vbus_notify.notifier_call = phy_8x16_vbus_notify; @@ -387,7 +337,7 @@ off_extcon: extcon_unregister_notifier(qphy->vbus_edev, EXTCON_USB, &qphy->vbus_notify); off_power: - phy_8x16_regulators_disable(qphy); + regulator_bulk_disable(ARRAY_SIZE(qphy->regulator), qphy->regulator); off_clks: clk_disable_unprepare(qphy->iface_clk); off_core: @@ -413,7 +363,7 @@ static int phy_8x16_remove(struct platform_device *pdev) clk_disable_unprepare(qphy->iface_clk); clk_disable_unprepare(qphy->core_clk); - phy_8x16_regulators_disable(qphy); + regulator_bulk_disable(ARRAY_SIZE(qphy->regulator), qphy->regulator); return 0; } diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index b4de70ee16d3..000f9750149f 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -190,7 +190,8 @@ static int usbhsf_pkt_handler(struct usbhs_pipe *pipe, int type) goto __usbhs_pkt_handler_end; } - ret = func(pkt, &is_done); + if (likely(func)) + ret = func(pkt, &is_done); if (is_done) __usbhsf_pkt_del(pkt); @@ -889,6 +890,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; + usbhsf_tx_irq_ctrl(pipe, 0); INIT_WORK(&pkt->work, xfer_work); schedule_work(&pkt->work); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 664b263e4b20..53d104b56ef1 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -158,10 +158,14 @@ static void usbhsg_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) struct usbhs_pipe *pipe = pkt->pipe; struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe); struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt); + unsigned long flags; ureq->req.actual = pkt->actual; - usbhsg_queue_pop(uep, ureq, 0); + usbhs_lock(priv, flags); + if (uep) + __usbhsg_queue_pop(uep, ureq, 0); + usbhs_unlock(priv, flags); } static void usbhsg_queue_push(struct usbhsg_uep *uep, diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fbfe761c7fba..7c9f25e9c422 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -109,6 +109,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demonstration module */ { USB_DEVICE(0x10C4, 0x8281) }, /* Nanotec Plug & Drive */ { USB_DEVICE(0x10C4, 0x8293) }, /* Telegesis ETRX2USB */ + { USB_DEVICE(0x10C4, 0x82F4) }, /* Starizona MicroTouch */ { USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */ { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ { USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */ @@ -118,6 +119,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */ { USB_DEVICE(0x10C4, 0x846E) }, /* BEI USB Sensor Interface (VCP) */ { USB_DEVICE(0x10C4, 0x8477) }, /* Balluff RFID */ + { USB_DEVICE(0x10C4, 0x84B6) }, /* Starizona Hyperion */ { USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */ { USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */ { USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */ @@ -141,6 +143,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */ { USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */ { USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */ + { USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */ + { USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */ { USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */ { USB_DEVICE(0x1555, 0x0004) }, /* Owen AC4 USB-RS485 Converter */ { USB_DEVICE(0x166A, 0x0201) }, /* Clipsal 5500PACA C-Bus Pascal Automation Controller */ @@ -165,6 +169,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */ { USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */ { USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */ + { USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */ { USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index b283eb8b86d6..bbeeb2bd55a8 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -447,6 +447,11 @@ static int cypress_generic_port_probe(struct usb_serial_port *port) struct usb_serial *serial = port->serial; struct cypress_private *priv; + if (!port->interrupt_out_urb || !port->interrupt_in_urb) { + dev_err(&port->dev, "required endpoint is missing\n"); + return -ENODEV; + } + priv = kzalloc(sizeof(struct cypress_private), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -606,12 +611,6 @@ static int cypress_open(struct tty_struct *tty, struct usb_serial_port *port) cypress_set_termios(tty, port, &priv->tmp_termios); /* setup the port and start reading from the device */ - if (!port->interrupt_in_urb) { - dev_err(&port->dev, "%s - interrupt_in_urb is empty!\n", - __func__); - return -1; - } - usb_fill_int_urb(port->interrupt_in_urb, serial->dev, usb_rcvintpipe(serial->dev, port->interrupt_in_endpointAddress), port->interrupt_in_urb->transfer_buffer, diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index 010a42a92688..16e8e37b3b36 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -1251,8 +1251,27 @@ static int digi_port_init(struct usb_serial_port *port, unsigned port_num) static int digi_startup(struct usb_serial *serial) { + struct device *dev = &serial->interface->dev; struct digi_serial *serial_priv; int ret; + int i; + + /* check whether the device has the expected number of endpoints */ + if (serial->num_port_pointers < serial->type->num_ports + 1) { + dev_err(dev, "OOB endpoints missing\n"); + return -ENODEV; + } + + for (i = 0; i < serial->type->num_ports + 1 ; i++) { + if (!serial->port[i]->read_urb) { + dev_err(dev, "bulk-in endpoint missing\n"); + return -ENODEV; + } + if (!serial->port[i]->write_urb) { + dev_err(dev, "bulk-out endpoint missing\n"); + return -ENODEV; + } + } serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL); if (!serial_priv) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 427ae43ee898..3a814e802dee 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1004,6 +1004,10 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) }, { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) }, { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) }, + /* ICP DAS I-756xU devices */ + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7560U_PID) }, + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7561U_PID) }, + { USB_DEVICE(ICPDAS_VID, ICPDAS_I7563U_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index a84df2513994..c5d6c1e73e8e 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -872,6 +872,14 @@ #define NOVITUS_BONO_E_PID 0x6010 /* + * ICPDAS I-756*U devices + */ +#define ICPDAS_VID 0x1b5c +#define ICPDAS_I7560U_PID 0x0103 +#define ICPDAS_I7561U_PID 0x0104 +#define ICPDAS_I7563U_PID 0x0105 + +/* * RT Systems programming cables for various ham radios */ #define RTSYSTEMS_VID 0x2100 /* Vendor ID */ diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index 4446b8d70ac2..885655315de1 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -376,14 +376,21 @@ static void mct_u232_msr_to_state(struct usb_serial_port *port, static int mct_u232_port_probe(struct usb_serial_port *port) { + struct usb_serial *serial = port->serial; struct mct_u232_private *priv; + /* check first to simplify error handling */ + if (!serial->port[1] || !serial->port[1]->interrupt_in_urb) { + dev_err(&port->dev, "expected endpoint missing\n"); + return -ENODEV; + } + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; /* Use second interrupt-in endpoint for reading. */ - priv->read_urb = port->serial->port[1]->interrupt_in_urb; + priv->read_urb = serial->port[1]->interrupt_in_urb; priv->read_urb->context = port; spin_lock_init(&priv->lock); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 348e19834b83..c6f497f16526 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1818,6 +1818,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) }, { USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) }, + { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index dba51362d2e2..90901861bfc0 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -123,7 +123,7 @@ static int slave_configure(struct scsi_device *sdev) unsigned int max_sectors = 64; if (us->fflags & US_FL_MAX_SECTORS_MIN) - max_sectors = PAGE_CACHE_SIZE >> 9; + max_sectors = PAGE_SIZE >> 9; if (queue_max_hw_sectors(sdev->request_queue) > max_sectors) blk_queue_max_hw_sectors(sdev->request_queue, max_sectors); diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 13e4cc31bc79..16bc679dc2fc 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -2,7 +2,7 @@ * USB Attached SCSI * Note that this is not the same as the USB Mass Storage driver * - * Copyright Hans de Goede <hdegoede@redhat.com> for Red Hat, Inc. 2013 - 2014 + * 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 * @@ -781,6 +781,17 @@ static int uas_eh_bus_reset_handler(struct scsi_cmnd *cmnd) return SUCCESS; } +static int uas_target_alloc(struct scsi_target *starget) +{ + struct uas_dev_info *devinfo = (struct uas_dev_info *) + dev_to_shost(starget->dev.parent)->hostdata; + + if (devinfo->flags & US_FL_NO_REPORT_LUNS) + starget->no_report_luns = 1; + + return 0; +} + static int uas_slave_alloc(struct scsi_device *sdev) { struct uas_dev_info *devinfo = @@ -824,7 +835,6 @@ static int uas_slave_configure(struct scsi_device *sdev) if (devinfo->flags & US_FL_BROKEN_FUA) sdev->broken_fua = 1; - scsi_change_queue_depth(sdev, devinfo->qdepth - 2); return 0; } @@ -832,6 +842,7 @@ static struct scsi_host_template uas_host_template = { .module = THIS_MODULE, .name = "uas", .queuecommand = uas_queuecommand, + .target_alloc = uas_target_alloc, .slave_alloc = uas_slave_alloc, .slave_configure = uas_slave_configure, .eh_abort_handler = uas_eh_abort_handler, @@ -956,6 +967,12 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id) if (result) goto set_alt0; + /* + * 1 tag is reserved for untagged commands + + * 1 tag to avoid off by one errors in some bridge firmwares + */ + shost->can_queue = devinfo->qdepth - 2; + usb_set_intfdata(intf, shost); result = scsi_add_host(shost, &intf->dev); if (result) diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index ccc113e83d88..53341a77d89f 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -64,6 +64,13 @@ UNUSUAL_DEV(0x0bc2, 0x3312, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NO_ATA_1X), +/* Reported-by: David Webb <djw@noc.ac.uk> */ +UNUSUAL_DEV(0x0bc2, 0x331a, 0x0000, 0x9999, + "Seagate", + "Expansion Desk", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_LUNS), + /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ UNUSUAL_DEV(0x0bc2, 0x3320, 0x0000, 0x9999, "Seagate", diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 43576ed31ccd..9de988a0f856 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -482,7 +482,7 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags) US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16 | US_FL_INITIAL_READ10 | US_FL_WRITE_CACHE | US_FL_NO_ATA_1X | US_FL_NO_REPORT_OPCODES | - US_FL_MAX_SECTORS_240); + US_FL_MAX_SECTORS_240 | US_FL_NO_REPORT_LUNS); p = quirks; while (*p) { @@ -532,6 +532,9 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags) case 'i': f |= US_FL_IGNORE_DEVICE; break; + case 'j': + f |= US_FL_NO_REPORT_LUNS; + break; case 'l': f |= US_FL_NOT_LOCKABLE; break; diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index facaaf003f19..e40da7759a0e 100644 --- a/drivers/usb/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c @@ -741,6 +741,17 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb) if (!(size > 0)) return 0; + if (size > urb->transfer_buffer_length) { + /* should not happen, probably malicious packet */ + if (ud->side == USBIP_STUB) { + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + return 0; + } else { + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + return -EPIPE; + } + } + ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size); if (ret != size) { dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret); diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index 75b24e93cedb..15a65823aad9 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -407,7 +407,7 @@ static unsigned long vfio_pgsize_bitmap(struct vfio_iommu *iommu) mutex_lock(&iommu->lock); list_for_each_entry(domain, &iommu->domain_list, next) - bitmap &= domain->domain->ops->pgsize_bitmap; + bitmap &= domain->domain->pgsize_bitmap; mutex_unlock(&iommu->lock); /* diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c index fe274b5851c7..93e66a9148b9 100644 --- a/drivers/video/fbdev/amba-clcd.c +++ b/drivers/video/fbdev/amba-clcd.c @@ -440,13 +440,14 @@ static int clcdfb_register(struct clcd_fb *fb) fb->off_ienb = CLCD_PL111_IENB; fb->off_cntl = CLCD_PL111_CNTL; } else { -#ifdef CONFIG_ARCH_VERSATILE - fb->off_ienb = CLCD_PL111_IENB; - fb->off_cntl = CLCD_PL111_CNTL; -#else - fb->off_ienb = CLCD_PL110_IENB; - fb->off_cntl = CLCD_PL110_CNTL; -#endif + if (of_machine_is_compatible("arm,versatile-ab") || + of_machine_is_compatible("arm,versatile-pb")) { + fb->off_ienb = CLCD_PL111_IENB; + fb->off_cntl = CLCD_PL111_CNTL; + } else { + fb->off_ienb = CLCD_PL110_IENB; + fb->off_cntl = CLCD_PL110_CNTL; + } } fb->clk = clk_get(&fb->dev->dev, NULL); diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c index abfd1f6e3327..1954ec913ce5 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-sharp-ls037v7dw01.c @@ -200,20 +200,16 @@ static struct omap_dss_driver sharp_ls_ops = { static int sharp_ls_get_gpio(struct device *dev, int gpio, unsigned long flags, char *desc, struct gpio_desc **gpiod) { - struct gpio_desc *gd; int r; - *gpiod = NULL; - r = devm_gpio_request_one(dev, gpio, flags, desc); - if (r) + if (r) { + *gpiod = NULL; return r == -ENOENT ? 0 : r; + } - gd = gpio_to_desc(gpio); - if (IS_ERR(gd)) - return PTR_ERR(gd) == -ENOENT ? 0 : PTR_ERR(gd); + *gpiod = gpio_to_desc(gpio); - *gpiod = gd; return 0; } diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index 71a923e53f93..3b1ca4411073 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -735,7 +735,7 @@ out: out_unmap: for (i = 0; i < nr_pages; i++) - page_cache_release(pages[i]); + put_page(pages[i]); kfree(pages); diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index f6f28cc7eb45..e76bd91a29da 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -17,6 +17,7 @@ * */ +#include <linux/delay.h> #define VIRTIO_PCI_NO_LEGACY #include "virtio_pci_common.h" @@ -271,9 +272,13 @@ static void vp_reset(struct virtio_device *vdev) struct virtio_pci_device *vp_dev = to_vp_device(vdev); /* 0 status means a reset. */ vp_iowrite8(0, &vp_dev->common->device_status); - /* Flush out the status write, and flush in device writes, - * including MSI-X interrupts, if any. */ - vp_ioread8(&vp_dev->common->device_status); + /* After writing 0 to device_status, the driver MUST wait for a read of + * device_status to return 0 before reinitializing the device. + * This will flush out the status write, and flush in device writes, + * including MSI-X interrupts, if any. + */ + while (vp_ioread8(&vp_dev->common->device_status)) + msleep(1); /* Flush pending VQ/configuration callbacks. */ vp_synchronize_vectors(vdev); } diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5c802d47892c..ca6bfddaacad 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -1006,7 +1006,7 @@ struct virtqueue *vring_create_virtqueue( const char *name) { struct virtqueue *vq; - void *queue; + void *queue = NULL; dma_addr_t dma_addr; size_t queue_size_in_bytes; struct vring vring; diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 9781e0dd59d6..d46839f51e73 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -151,6 +151,8 @@ static DECLARE_WAIT_QUEUE_HEAD(balloon_wq); static void balloon_process(struct work_struct *work); static DECLARE_DELAYED_WORK(balloon_worker, balloon_process); +static void release_memory_resource(struct resource *resource); + /* When ballooning out (allocating memory to return to Xen) we don't really want the kernel to try too hard since that can trigger the oom killer. */ #define GFP_BALLOON \ @@ -267,6 +269,20 @@ static struct resource *additional_memory_resource(phys_addr_t size) return NULL; } +#ifdef CONFIG_SPARSEMEM + { + unsigned long limit = 1UL << (MAX_PHYSMEM_BITS - PAGE_SHIFT); + unsigned long pfn = res->start >> PAGE_SHIFT; + + if (pfn > limit) { + pr_err("New System RAM resource outside addressable RAM (%lu > %lu)\n", + pfn, limit); + release_memory_resource(res); + return NULL; + } + } +#endif + return res; } diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index 488017a0806a..cb7138c97c69 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -484,9 +484,19 @@ static void eoi_pirq(struct irq_data *data) struct physdev_eoi eoi = { .irq = pirq_from_irq(data->irq) }; int rc = 0; - irq_move_irq(data); + if (!VALID_EVTCHN(evtchn)) + return; - if (VALID_EVTCHN(evtchn)) + if (unlikely(irqd_is_setaffinity_pending(data))) { + int masked = test_and_set_mask(evtchn); + + clear_evtchn(evtchn); + + irq_move_masked_irq(data); + + if (!masked) + unmask_evtchn(evtchn); + } else clear_evtchn(evtchn); if (pirq_needs_eoi(data->irq)) { @@ -1357,9 +1367,19 @@ static void ack_dynirq(struct irq_data *data) { int evtchn = evtchn_from_irq(data->irq); - irq_move_irq(data); + if (!VALID_EVTCHN(evtchn)) + return; - if (VALID_EVTCHN(evtchn)) + if (unlikely(irqd_is_setaffinity_pending(data))) { + int masked = test_and_set_mask(evtchn); + + clear_evtchn(evtchn); + + irq_move_masked_irq(data); + + if (!masked) + unmask_evtchn(evtchn); + } else clear_evtchn(evtchn); } diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c index 38272ad24551..f4edd6df3df2 100644 --- a/drivers/xen/evtchn.c +++ b/drivers/xen/evtchn.c @@ -316,7 +316,6 @@ static int evtchn_resize_ring(struct per_user_data *u) { unsigned int new_size; evtchn_port_t *new_ring, *old_ring; - unsigned int p, c; /* * Ensure the ring is large enough to capture all possible @@ -346,20 +345,17 @@ static int evtchn_resize_ring(struct per_user_data *u) /* * Copy the old ring contents to the new ring. * - * If the ring contents crosses the end of the current ring, - * it needs to be copied in two chunks. + * To take care of wrapping, a full ring, and the new index + * pointing into the second half, simply copy the old contents + * twice. * * +---------+ +------------------+ - * |34567 12| -> | 1234567 | - * +-----p-c-+ +------------------+ + * |34567 12| -> |34567 1234567 12| + * +-----p-c-+ +-------c------p---+ */ - p = evtchn_ring_offset(u, u->ring_prod); - c = evtchn_ring_offset(u, u->ring_cons); - if (p < c) { - memcpy(new_ring + c, u->ring + c, (u->ring_size - c) * sizeof(*u->ring)); - memcpy(new_ring + u->ring_size, u->ring, p * sizeof(*u->ring)); - } else - memcpy(new_ring + c, u->ring + c, (p - c) * sizeof(*u->ring)); + memcpy(new_ring, old_ring, u->ring_size * sizeof(*u->ring)); + memcpy(new_ring + u->ring_size, old_ring, + u->ring_size * sizeof(*u->ring)); u->ring = new_ring; u->ring_size = new_size; |