diff options
Diffstat (limited to 'drivers')
27 files changed, 130 insertions, 139 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 7862d17976b..49791273256 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -53,6 +53,7 @@ enum { AHCI_PCI_BAR_STA2X11 = 0, + AHCI_PCI_BAR_ENMOTUS = 2, AHCI_PCI_BAR_STANDARD = 5, }; @@ -410,6 +411,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */ + /* Enmotus */ + { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, + /* Generic, PCI class code for AHCI */ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci }, @@ -1098,9 +1102,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev_info(&pdev->dev, "PDC42819 can only drive SATA devices with this driver\n"); - /* The Connext uses non-standard BAR */ + /* Both Connext and Enmotus devices use non-standard BARs */ if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06) ahci_pci_bar = AHCI_PCI_BAR_STA2X11; + else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000) + ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS; /* acquire resources */ rc = pcim_enable_device(pdev); diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 320712a7b9e..6cd7805e47c 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1951,13 +1951,13 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep) /* Use the nominal value 10 ms if the read MDAT is zero, * the nominal value of DETO is 20 ms. */ - if (dev->sata_settings[ATA_LOG_DEVSLP_VALID] & + if (dev->devslp_timing[ATA_LOG_DEVSLP_VALID] & ATA_LOG_DEVSLP_VALID_MASK) { - mdat = dev->sata_settings[ATA_LOG_DEVSLP_MDAT] & + mdat = dev->devslp_timing[ATA_LOG_DEVSLP_MDAT] & ATA_LOG_DEVSLP_MDAT_MASK; if (!mdat) mdat = 10; - deto = dev->sata_settings[ATA_LOG_DEVSLP_DETO]; + deto = dev->devslp_timing[ATA_LOG_DEVSLP_DETO]; if (!deto) deto = 20; } else { diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 9e8b99af400..46cd3f4c6aa 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2325,24 +2325,28 @@ int ata_dev_configure(struct ata_device *dev) } } - /* check and mark DevSlp capability */ - if (ata_id_has_devslp(dev->id)) - dev->flags |= ATA_DFLAG_DEVSLP; - - /* Obtain SATA Settings page from Identify Device Data Log, - * which contains DevSlp timing variables etc. - * Exclude old devices with ata_id_has_ncq() + /* Check and mark DevSlp capability. Get DevSlp timing variables + * from SATA Settings page of Identify Device Data Log. */ - if (ata_id_has_ncq(dev->id)) { + if (ata_id_has_devslp(dev->id)) { + u8 sata_setting[ATA_SECT_SIZE]; + int i, j; + + dev->flags |= ATA_DFLAG_DEVSLP; err_mask = ata_read_log_page(dev, ATA_LOG_SATA_ID_DEV_DATA, ATA_LOG_SATA_SETTINGS, - dev->sata_settings, + sata_setting, 1); if (err_mask) ata_dev_dbg(dev, "failed to get Identify Device Data, Emask 0x%x\n", err_mask); + else + for (i = 0; i < ATA_LOG_DEVSLP_SIZE; i++) { + j = ATA_LOG_DEVSLP_OFFSET + i; + dev->devslp_timing[i] = sata_setting[j]; + } } dev->cdb_len = 16; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index bf039b0e97b..bcf4437214f 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2094,7 +2094,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev, */ static inline int ata_eh_worth_retry(struct ata_queued_cmd *qc) { - if (qc->flags & AC_ERR_MEDIA) + if (qc->err_mask & AC_ERR_MEDIA) return 0; /* don't retry media errors */ if (qc->flags & ATA_QCFLAG_IO) return 1; /* otherwise retry anything from fs stack */ diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7d9bd94be8d..6819d63cb16 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -547,7 +547,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->membase = devm_request_and_ioremap(&pdev->dev, res); if (! mvchip->membase) { dev_err(&pdev->dev, "Cannot ioremap\n"); - kfree(mvchip->chip.label); return -ENOMEM; } @@ -557,14 +556,12 @@ static int mvebu_gpio_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (! res) { dev_err(&pdev->dev, "Cannot get memory resource\n"); - kfree(mvchip->chip.label); return -ENODEV; } mvchip->percpu_membase = devm_request_and_ioremap(&pdev->dev, res); if (! mvchip->percpu_membase) { dev_err(&pdev->dev, "Cannot ioremap\n"); - kfree(mvchip->chip.label); return -ENOMEM; } } @@ -625,7 +622,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1); if (mvchip->irqbase < 0) { dev_err(&pdev->dev, "no irqs\n"); - kfree(mvchip->chip.label); return -ENOMEM; } @@ -633,7 +629,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->membase, handle_level_irq); if (! gc) { dev_err(&pdev->dev, "Cannot allocate generic irq_chip\n"); - kfree(mvchip->chip.label); return -ENOMEM; } @@ -668,7 +663,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) irq_remove_generic_chip(gc, IRQ_MSK(ngpios), IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); kfree(gc); - kfree(mvchip->chip.label); return -ENODEV; } diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index 01f7fe95559..76be7eed79d 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -32,7 +32,6 @@ #include <mach/hardware.h> #include <mach/map.h> -#include <mach/regs-clock.h> #include <mach/regs-gpio.h> #include <plat/cpu.h> @@ -446,7 +445,7 @@ static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = { }; #endif -#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_ARCH_EXYNOS5) +#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_SOC_EXYNOS5250) static struct samsung_gpio_cfg exynos_gpio_cfg = { .set_pull = exynos_gpio_setpull, .get_pull = exynos_gpio_getpull, @@ -2446,7 +2445,7 @@ static struct samsung_gpio_chip exynos4_gpios_3[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_1[] = { { .chip = { @@ -2614,7 +2613,7 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_2[] = { { .chip = { @@ -2675,7 +2674,7 @@ static struct samsung_gpio_chip exynos5_gpios_2[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_3[] = { { .chip = { @@ -2711,7 +2710,7 @@ static struct samsung_gpio_chip exynos5_gpios_3[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_4[] = { { .chip = { @@ -3010,7 +3009,7 @@ static __init int samsung_gpiolib_init(void) int i, nr_chips; int group = 0; -#ifdef CONFIG_PINCTRL_SAMSUNG +#if defined(CONFIG_PINCTRL_EXYNOS) || defined(CONFIG_PINCTRL_EXYNOS5440) /* * This gpio driver includes support for device tree support and there * are platforms using it. In order to maintain compatibility with those @@ -3026,6 +3025,7 @@ static __init int samsung_gpiolib_init(void) static const struct of_device_id exynos_pinctrl_ids[] = { { .compatible = "samsung,pinctrl-exynos4210", }, { .compatible = "samsung,pinctrl-exynos4x12", }, + { .compatible = "samsung,pinctrl-exynos5440", }, }; for_each_matching_node(pctrl_np, exynos_pinctrl_ids) if (pctrl_np && of_device_is_available(pctrl_np)) diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c index 8a8d42fe263..d4e7567b367 100644 --- a/drivers/media/i2c/m5mols/m5mols_core.c +++ b/drivers/media/i2c/m5mols/m5mols_core.c @@ -556,7 +556,7 @@ static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, mutex_lock(&info->lock); format = __find_format(info, fh, fmt->which, info->res_type); - if (!format) + if (format) fmt->format = *format; else ret = -EINVAL; diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index e0d73a64218..8dac17511e6 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -35,9 +35,6 @@ #include <linux/vmalloc.h> #include <media/v4l2-dev.h> #include <media/v4l2-ioctl.h> -#include <plat/iommu.h> -#include <plat/iovmm.h> -#include <plat/omap-pm.h> #include "ispvideo.h" #include "isp.h" diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index 4ab99f3a7b0..b4a68ecf0ca 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -593,7 +593,7 @@ static int __fimc_md_create_flite_source_links(struct fimc_md *fmd) { struct media_entity *source, *sink; unsigned int flags = MEDIA_LNK_FL_ENABLED; - int i, ret; + int i, ret = 0; for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) { struct fimc_lite *fimc = fmd->fimc_lite[i]; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 379f5743371..681bc6ba149 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -412,62 +412,48 @@ leave_handle_frame: } /* Error handling for interrupt */ -static void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx, - unsigned int reason, unsigned int err) +static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev, + struct s5p_mfc_ctx *ctx, unsigned int reason, unsigned int err) { - struct s5p_mfc_dev *dev; unsigned long flags; - /* If no context is available then all necessary - * processing has been done. */ - if (ctx == NULL) - return; - - dev = ctx->dev; mfc_err("Interrupt Error: %08x\n", err); - s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev); - wake_up_dev(dev, reason, err); - /* Error recovery is dependent on the state of context */ - switch (ctx->state) { - case MFCINST_INIT: - /* This error had to happen while acquireing instance */ - case MFCINST_GOT_INST: - /* This error had to happen while parsing the header */ - case MFCINST_HEAD_PARSED: - /* This error had to happen while setting dst buffers */ - case MFCINST_RETURN_INST: - /* This error had to happen while releasing instance */ - clear_work_bit(ctx); - wake_up_ctx(ctx, reason, err); - if (test_and_clear_bit(0, &dev->hw_lock) == 0) - BUG(); - s5p_mfc_clock_off(); - ctx->state = MFCINST_ERROR; - break; - case MFCINST_FINISHING: - case MFCINST_FINISHED: - case MFCINST_RUNNING: - /* It is higly probable that an error occured - * while decoding a frame */ - clear_work_bit(ctx); - ctx->state = MFCINST_ERROR; - /* Mark all dst buffers as having an error */ - spin_lock_irqsave(&dev->irqlock, flags); - s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, - &ctx->vq_dst); - /* Mark all src buffers as having an error */ - s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, - &ctx->vq_src); - spin_unlock_irqrestore(&dev->irqlock, flags); - if (test_and_clear_bit(0, &dev->hw_lock) == 0) - BUG(); - s5p_mfc_clock_off(); - break; - default: - mfc_err("Encountered an error interrupt which had not been handled\n"); - break; + if (ctx != NULL) { + /* Error recovery is dependent on the state of context */ + switch (ctx->state) { + case MFCINST_RES_CHANGE_INIT: + case MFCINST_RES_CHANGE_FLUSH: + case MFCINST_RES_CHANGE_END: + case MFCINST_FINISHING: + case MFCINST_FINISHED: + case MFCINST_RUNNING: + /* It is higly probable that an error occured + * while decoding a frame */ + clear_work_bit(ctx); + ctx->state = MFCINST_ERROR; + /* Mark all dst buffers as having an error */ + spin_lock_irqsave(&dev->irqlock, flags); + s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, + &ctx->dst_queue, &ctx->vq_dst); + /* Mark all src buffers as having an error */ + s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, + &ctx->src_queue, &ctx->vq_src); + spin_unlock_irqrestore(&dev->irqlock, flags); + wake_up_ctx(ctx, reason, err); + break; + default: + clear_work_bit(ctx); + ctx->state = MFCINST_ERROR; + wake_up_ctx(ctx, reason, err); + break; + } } + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev); + s5p_mfc_clock_off(); + wake_up_dev(dev, reason, err); return; } @@ -632,7 +618,7 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv) dev->warn_start) s5p_mfc_handle_frame(ctx, reason, err); else - s5p_mfc_handle_error(ctx, reason, err); + s5p_mfc_handle_error(dev, ctx, reason, err); clear_bit(0, &dev->enter_suspend); break; diff --git a/drivers/media/usb/gspca/kinect.c b/drivers/media/usb/gspca/kinect.c index 40ad6687ee5..3773a8a745d 100644 --- a/drivers/media/usb/gspca/kinect.c +++ b/drivers/media/usb/gspca/kinect.c @@ -381,6 +381,7 @@ static const struct sd_desc sd_desc = { /* -- module initialisation -- */ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x045e, 0x02ae)}, + {USB_DEVICE(0x045e, 0x02bf)}, {} }; diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c index 70511d5f953..1220340e760 100644 --- a/drivers/media/usb/gspca/sonixb.c +++ b/drivers/media/usb/gspca/sonixb.c @@ -496,7 +496,7 @@ static void reg_w(struct gspca_dev *gspca_dev, } } -static void i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer) +static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buf) { int retry = 60; @@ -504,16 +504,19 @@ static void i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer) return; /* is i2c ready */ - reg_w(gspca_dev, 0x08, buffer, 8); + reg_w(gspca_dev, 0x08, buf, 8); while (retry--) { if (gspca_dev->usb_err < 0) return; - msleep(10); + msleep(1); reg_r(gspca_dev, 0x08); if (gspca_dev->usb_buf[0] & 0x04) { if (gspca_dev->usb_buf[0] & 0x08) { dev_err(gspca_dev->v4l2_dev.dev, - "i2c write error\n"); + "i2c error writing %02x %02x %02x %02x" + " %02x %02x %02x %02x\n", + buf[0], buf[1], buf[2], buf[3], + buf[4], buf[5], buf[6], buf[7]); gspca_dev->usb_err = -EIO; } return; @@ -530,7 +533,7 @@ static void i2c_w_vector(struct gspca_dev *gspca_dev, for (;;) { if (gspca_dev->usb_err < 0) return; - reg_w(gspca_dev, 0x08, *buffer, 8); + i2c_w(gspca_dev, *buffer); len -= 8; if (len <= 0) break; diff --git a/drivers/media/usb/gspca/sonixj.c b/drivers/media/usb/gspca/sonixj.c index 5a86047b846..36307a9028a 100644 --- a/drivers/media/usb/gspca/sonixj.c +++ b/drivers/media/usb/gspca/sonixj.c @@ -1550,6 +1550,7 @@ static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val) 0, gspca_dev->usb_buf, 8, 500); + msleep(2); if (ret < 0) { pr_err("i2c_w1 err %d\n", ret); gspca_dev->usb_err = ret; diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 2bb7613ddeb..d5baab17a5e 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1431,8 +1431,10 @@ int uvc_ctrl_set(struct uvc_video_chain *chain, int ret; ctrl = uvc_find_control(chain, xctrl->id, &mapping); - if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0) + if (ctrl == NULL) return -EINVAL; + if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR)) + return -EACCES; /* Clamp out of range values. */ switch (mapping->v4l2_type) { diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index f2ee8c6b0d8..68d59b52749 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -657,8 +657,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_get(chain, ctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - ctrls->error_idx = ret == -ENOENT - ? ctrls->count : i; + ctrls->error_idx = i; return ret; } } @@ -686,8 +685,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_set(chain, ctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - ctrls->error_idx = (ret == -ENOENT && - cmd == VIDIOC_S_EXT_CTRLS) + ctrls->error_idx = cmd == VIDIOC_S_EXT_CTRLS ? ctrls->count : i; return ret; } diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 9f81be23a81..e02c4797b1c 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -921,8 +921,10 @@ static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b * In videobuf we use our internal V4l2_planes struct for * single-planar buffers as well, for simplicity. */ - if (V4L2_TYPE_IS_OUTPUT(b->type)) + if (V4L2_TYPE_IS_OUTPUT(b->type)) { v4l2_planes[0].bytesused = b->bytesused; + v4l2_planes[0].data_offset = 0; + } if (b->memory == V4L2_MEMORY_USERPTR) { v4l2_planes[0].m.userptr = b->m.userptr; diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 26ffd3e3fb7..2c113de9432 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -44,7 +44,6 @@ extern bool pciehp_poll_mode; extern int pciehp_poll_time; extern bool pciehp_debug; extern bool pciehp_force; -extern struct workqueue_struct *pciehp_wq; #define dbg(format, arg...) \ do { \ @@ -78,6 +77,7 @@ struct slot { struct hotplug_slot *hotplug_slot; struct delayed_work work; /* work for button event */ struct mutex lock; + struct workqueue_struct *wq; }; struct event_info { diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 916bf4f53ab..939bd1d4b5b 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -42,7 +42,6 @@ bool pciehp_debug; bool pciehp_poll_mode; int pciehp_poll_time; bool pciehp_force; -struct workqueue_struct *pciehp_wq; #define DRIVER_VERSION "0.4" #define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>" @@ -340,18 +339,13 @@ static int __init pcied_init(void) { int retval = 0; - pciehp_wq = alloc_workqueue("pciehp", 0, 0); - if (!pciehp_wq) - return -ENOMEM; - pciehp_firmware_init(); retval = pcie_port_service_register(&hpdriver_portdrv); dbg("pcie_port_service_register = %d\n", retval); info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); - if (retval) { - destroy_workqueue(pciehp_wq); + if (retval) dbg("Failure to register service\n"); - } + return retval; } @@ -359,7 +353,6 @@ static void __exit pcied_cleanup(void) { dbg("unload_pciehpd()\n"); pcie_port_service_unregister(&hpdriver_portdrv); - destroy_workqueue(pciehp_wq); info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n"); } diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 27f44295a65..38f01867917 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -49,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type) info->p_slot = p_slot; INIT_WORK(&info->work, interrupt_event_handler); - queue_work(pciehp_wq, &info->work); + queue_work(p_slot->wq, &info->work); return 0; } @@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work) kfree(info); goto out; } - queue_work(pciehp_wq, &info->work); + queue_work(p_slot->wq, &info->work); out: mutex_unlock(&p_slot->lock); } @@ -377,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot) if (ATTN_LED(ctrl)) pciehp_set_attention_status(p_slot, 0); - queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ); + queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ); break; case BLINKINGOFF_STATE: case BLINKINGON_STATE: @@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot) else p_slot->state = POWERON_STATE; - queue_work(pciehp_wq, &info->work); + queue_work(p_slot->wq, &info->work); } static void interrupt_event_handler(struct work_struct *work) diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 13b2eaf7ba4..5127f3f4182 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -773,23 +773,32 @@ static void pcie_shutdown_notification(struct controller *ctrl) static int pcie_init_slot(struct controller *ctrl) { struct slot *slot; + char name[32]; slot = kzalloc(sizeof(*slot), GFP_KERNEL); if (!slot) return -ENOMEM; + snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl)); + slot->wq = alloc_workqueue(name, 0, 0); + if (!slot->wq) + goto abort; + slot->ctrl = ctrl; mutex_init(&slot->lock); INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work); ctrl->slot = slot; return 0; +abort: + kfree(slot); + return -ENOMEM; } static void pcie_cleanup_slot(struct controller *ctrl) { struct slot *slot = ctrl->slot; cancel_delayed_work(&slot->work); - flush_workqueue(pciehp_wq); + destroy_workqueue(slot->wq); kfree(slot); } diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h index ca64932e658..b849f995075 100644 --- a/drivers/pci/hotplug/shpchp.h +++ b/drivers/pci/hotplug/shpchp.h @@ -46,8 +46,6 @@ extern bool shpchp_poll_mode; extern int shpchp_poll_time; extern bool shpchp_debug; -extern struct workqueue_struct *shpchp_wq; -extern struct workqueue_struct *shpchp_ordered_wq; #define dbg(format, arg...) \ do { \ @@ -91,6 +89,7 @@ struct slot { struct list_head slot_list; struct delayed_work work; /* work for button event */ struct mutex lock; + struct workqueue_struct *wq; u8 hp_slot; }; diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index b6de307248e..3100c52c837 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -39,8 +39,6 @@ bool shpchp_debug; bool shpchp_poll_mode; int shpchp_poll_time; -struct workqueue_struct *shpchp_wq; -struct workqueue_struct *shpchp_ordered_wq; #define DRIVER_VERSION "0.4" #define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>" @@ -129,6 +127,14 @@ static int init_slots(struct controller *ctrl) slot->device = ctrl->slot_device_offset + i; slot->hpc_ops = ctrl->hpc_ops; slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i); + + snprintf(name, sizeof(name), "shpchp-%d", slot->number); + slot->wq = alloc_workqueue(name, 0, 0); + if (!slot->wq) { + retval = -ENOMEM; + goto error_info; + } + mutex_init(&slot->lock); INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work); @@ -148,7 +154,7 @@ static int init_slots(struct controller *ctrl) if (retval) { ctrl_err(ctrl, "pci_hp_register failed with error %d\n", retval); - goto error_info; + goto error_slotwq; } get_power_status(hotplug_slot, &info->power_status); @@ -160,6 +166,8 @@ static int init_slots(struct controller *ctrl) } return 0; +error_slotwq: + destroy_workqueue(slot->wq); error_info: kfree(info); error_hpslot: @@ -180,8 +188,7 @@ void cleanup_slots(struct controller *ctrl) slot = list_entry(tmp, struct slot, slot_list); list_del(&slot->slot_list); cancel_delayed_work(&slot->work); - flush_workqueue(shpchp_wq); - flush_workqueue(shpchp_ordered_wq); + destroy_workqueue(slot->wq); pci_hp_deregister(slot->hotplug_slot); } } @@ -364,25 +371,12 @@ static struct pci_driver shpc_driver = { static int __init shpcd_init(void) { - int retval = 0; - - shpchp_wq = alloc_ordered_workqueue("shpchp", 0); - if (!shpchp_wq) - return -ENOMEM; - - shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0); - if (!shpchp_ordered_wq) { - destroy_workqueue(shpchp_wq); - return -ENOMEM; - } + int retval; retval = pci_register_driver(&shpc_driver); dbg("%s: pci_register_driver = %d\n", __func__, retval); info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); - if (retval) { - destroy_workqueue(shpchp_ordered_wq); - destroy_workqueue(shpchp_wq); - } + return retval; } @@ -390,8 +384,6 @@ static void __exit shpcd_cleanup(void) { dbg("unload_shpchpd()\n"); pci_unregister_driver(&shpc_driver); - destroy_workqueue(shpchp_ordered_wq); - destroy_workqueue(shpchp_wq); info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n"); } diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index f9b5a52e411..58499277903 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -51,7 +51,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type) info->p_slot = p_slot; INIT_WORK(&info->work, interrupt_event_handler); - queue_work(shpchp_wq, &info->work); + queue_work(p_slot->wq, &info->work); return 0; } @@ -453,7 +453,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work) kfree(info); goto out; } - queue_work(shpchp_ordered_wq, &info->work); + queue_work(p_slot->wq, &info->work); out: mutex_unlock(&p_slot->lock); } @@ -501,7 +501,7 @@ static void handle_button_press_event(struct slot *p_slot) p_slot->hpc_ops->green_led_blink(p_slot); p_slot->hpc_ops->set_attention_status(p_slot, 0); - queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ); + queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ); break; case BLINKINGOFF_STATE: case BLINKINGON_STATE: diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index 6c8bc580978..fde4a32a029 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -82,4 +82,4 @@ endchoice config PCIE_PME def_bool y - depends on PCIEPORTBUS && PM_RUNTIME && EXPERIMENTAL && ACPI + depends on PCIEPORTBUS && PM_RUNTIME && ACPI diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 421bbc5fee3..564d97f94b6 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -630,6 +630,7 @@ static void aer_recover_work_func(struct work_struct *work) continue; } do_recovery(pdev, entry.severity); + pci_dev_put(pdev); } } #endif diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index b52630b8ead..8474b6a4fc9 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -771,6 +771,9 @@ void pcie_clear_aspm(struct pci_bus *bus) { struct pci_dev *child; + if (aspm_force) + return; + /* * Clear any ASPM setup that the firmware has carried out on this bus */ diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c index 4362d9e7baa..f72323ef618 100644 --- a/drivers/vfio/pci/vfio_pci_rdwr.c +++ b/drivers/vfio/pci/vfio_pci_rdwr.c @@ -240,17 +240,17 @@ ssize_t vfio_pci_mem_readwrite(struct vfio_pci_device *vdev, char __user *buf, filled = 1; } else { /* Drop writes, fill reads with FF */ + filled = min((size_t)(x_end - pos), count); if (!iswrite) { char val = 0xFF; size_t i; - for (i = 0; i < x_end - pos; i++) { + for (i = 0; i < filled; i++) { if (put_user(val, buf + i)) goto out; } } - filled = x_end - pos; } count -= filled; |