diff options
Diffstat (limited to 'drivers')
43 files changed, 270 insertions, 171 deletions
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c index 07fb2dfaae1..9dcefe40380 100644 --- a/drivers/block/nvme.c +++ b/drivers/block/nvme.c @@ -135,6 +135,7 @@ static inline void _nvme_check_size(void) BUILD_BUG_ON(sizeof(struct nvme_id_ctrl) != 4096); BUILD_BUG_ON(sizeof(struct nvme_id_ns) != 4096); BUILD_BUG_ON(sizeof(struct nvme_lba_range_type) != 64); + BUILD_BUG_ON(sizeof(struct nvme_smart_log) != 512); } typedef void (*nvme_completion_fn)(struct nvme_dev *, void *, @@ -237,7 +238,8 @@ static void *free_cmdid(struct nvme_queue *nvmeq, int cmdid, *fn = special_completion; return CMD_CTX_INVALID; } - *fn = info[cmdid].fn; + if (fn) + *fn = info[cmdid].fn; ctx = info[cmdid].ctx; info[cmdid].fn = special_completion; info[cmdid].ctx = CMD_CTX_COMPLETED; @@ -335,6 +337,7 @@ nvme_alloc_iod(unsigned nseg, unsigned nbytes, gfp_t gfp) iod->offset = offsetof(struct nvme_iod, sg[nseg]); iod->npages = -1; iod->length = nbytes; + iod->nents = 0; } return iod; @@ -375,7 +378,8 @@ static void bio_completion(struct nvme_dev *dev, void *ctx, struct bio *bio = iod->private; u16 status = le16_to_cpup(&cqe->status) >> 1; - dma_unmap_sg(&dev->pci_dev->dev, iod->sg, iod->nents, + if (iod->nents) + dma_unmap_sg(&dev->pci_dev->dev, iod->sg, iod->nents, bio_data_dir(bio) ? DMA_TO_DEVICE : DMA_FROM_DEVICE); nvme_free_iod(dev, iod); if (status) { @@ -589,7 +593,7 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns, result = nvme_map_bio(nvmeq->q_dmadev, iod, bio, dma_dir, psegs); if (result < 0) - goto free_iod; + goto free_cmdid; length = result; cmnd->rw.command_id = cmdid; @@ -609,6 +613,8 @@ static int nvme_submit_bio_queue(struct nvme_queue *nvmeq, struct nvme_ns *ns, return 0; + free_cmdid: + free_cmdid(nvmeq, cmdid, NULL); free_iod: nvme_free_iod(nvmeq->dev, iod); nomem: @@ -835,8 +841,8 @@ static int nvme_identify(struct nvme_dev *dev, unsigned nsid, unsigned cns, return nvme_submit_admin_cmd(dev, &c, NULL); } -static int nvme_get_features(struct nvme_dev *dev, unsigned fid, - unsigned nsid, dma_addr_t dma_addr) +static int nvme_get_features(struct nvme_dev *dev, unsigned fid, unsigned nsid, + dma_addr_t dma_addr, u32 *result) { struct nvme_command c; @@ -846,7 +852,7 @@ static int nvme_get_features(struct nvme_dev *dev, unsigned fid, c.features.prp1 = cpu_to_le64(dma_addr); c.features.fid = cpu_to_le32(fid); - return nvme_submit_admin_cmd(dev, &c, NULL); + return nvme_submit_admin_cmd(dev, &c, result); } static int nvme_set_features(struct nvme_dev *dev, unsigned fid, @@ -906,6 +912,10 @@ static void nvme_free_queue(struct nvme_dev *dev, int qid) spin_lock_irq(&nvmeq->q_lock); nvme_cancel_ios(nvmeq, false); + while (bio_list_peek(&nvmeq->sq_cong)) { + struct bio *bio = bio_list_pop(&nvmeq->sq_cong); + bio_endio(bio, -EIO); + } spin_unlock_irq(&nvmeq->q_lock); irq_set_affinity_hint(vector, NULL); @@ -1230,12 +1240,17 @@ static int nvme_user_admin_cmd(struct nvme_dev *dev, if (length != cmd.data_len) status = -ENOMEM; else - status = nvme_submit_admin_cmd(dev, &c, NULL); + status = nvme_submit_admin_cmd(dev, &c, &cmd.result); if (cmd.data_len) { nvme_unmap_user_pages(dev, cmd.opcode & 1, iod); nvme_free_iod(dev, iod); } + + if (!status && copy_to_user(&ucmd->result, &cmd.result, + sizeof(cmd.result))) + status = -EFAULT; + return status; } @@ -1523,9 +1538,9 @@ static int nvme_dev_add(struct nvme_dev *dev) continue; res = nvme_get_features(dev, NVME_FEAT_LBA_RANGE, i, - dma_addr + 4096); + dma_addr + 4096, NULL); if (res) - continue; + memset(mem + 4096, 0, 4096); ns = nvme_alloc_ns(dev, i, mem, mem + 4096); if (ns) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 910b0116c12..e1d13c463c9 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -2048,12 +2048,18 @@ static int init_csrows(struct mem_ctl_info *mci) edac_dbg(1, "MC node: %d, csrow: %d\n", pvt->mc_node_id, i); - if (row_dct0) + if (row_dct0) { nr_pages = amd64_csrow_nr_pages(pvt, 0, i); + csrow->channels[0]->dimm->nr_pages = nr_pages; + } /* K8 has only one DCT */ - if (boot_cpu_data.x86 != 0xf && row_dct1) - nr_pages += amd64_csrow_nr_pages(pvt, 1, i); + if (boot_cpu_data.x86 != 0xf && row_dct1) { + int row_dct1_pages = amd64_csrow_nr_pages(pvt, 1, i); + + csrow->channels[1]->dimm->nr_pages = row_dct1_pages; + nr_pages += row_dct1_pages; + } mtype = amd64_determine_memory_type(pvt, i); @@ -2072,9 +2078,7 @@ static int init_csrows(struct mem_ctl_info *mci) dimm = csrow->channels[j]->dimm; dimm->mtype = mtype; dimm->edac_mode = edac_mode; - dimm->nr_pages = nr_pages; } - csrow->nr_pages = nr_pages; } return empty; @@ -2419,7 +2423,6 @@ static int amd64_init_one_instance(struct pci_dev *F2) mci->pvt_info = pvt; mci->pdev = &pvt->F2->dev; - mci->csbased = 1; setup_mci_misc_attrs(mci, fam_type); diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index cdb81aa73ab..27e86d93826 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -86,7 +86,7 @@ static void edac_mc_dump_dimm(struct dimm_info *dimm, int number) edac_dimm_info_location(dimm, location, sizeof(location)); edac_dbg(4, "%s%i: %smapped as virtual row %d, chan %d\n", - dimm->mci->mem_is_per_rank ? "rank" : "dimm", + dimm->mci->csbased ? "rank" : "dimm", number, location, dimm->csrow, dimm->cschannel); edac_dbg(4, " dimm = %p\n", dimm); edac_dbg(4, " dimm->label = '%s'\n", dimm->label); @@ -341,7 +341,7 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, memcpy(mci->layers, layers, sizeof(*layer) * n_layers); mci->nr_csrows = tot_csrows; mci->num_cschannel = tot_channels; - mci->mem_is_per_rank = per_rank; + mci->csbased = per_rank; /* * Alocate and fill the csrow/channels structs @@ -1235,7 +1235,7 @@ void edac_mc_handle_error(const enum hw_event_mc_err_type type, * incrementing the compat API counters */ edac_dbg(4, "%s csrows map: (%d,%d)\n", - mci->mem_is_per_rank ? "rank" : "dimm", + mci->csbased ? "rank" : "dimm", dimm->csrow, dimm->cschannel); if (row == -1) row = dimm->csrow; diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c index 4f4b6137d74..5899a76eec3 100644 --- a/drivers/edac/edac_mc_sysfs.c +++ b/drivers/edac/edac_mc_sysfs.c @@ -143,7 +143,7 @@ static const char *edac_caps[] = { * and the per-dimm/per-rank one */ #define DEVICE_ATTR_LEGACY(_name, _mode, _show, _store) \ - struct device_attribute dev_attr_legacy_##_name = __ATTR(_name, _mode, _show, _store) + static struct device_attribute dev_attr_legacy_##_name = __ATTR(_name, _mode, _show, _store) struct dev_ch_attribute { struct device_attribute attr; @@ -180,9 +180,6 @@ static ssize_t csrow_size_show(struct device *dev, int i; u32 nr_pages = 0; - if (csrow->mci->csbased) - return sprintf(data, "%u\n", PAGES_TO_MiB(csrow->nr_pages)); - for (i = 0; i < csrow->nr_channels; i++) nr_pages += csrow->channels[i]->dimm->nr_pages; return sprintf(data, "%u\n", PAGES_TO_MiB(nr_pages)); @@ -612,7 +609,7 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci, device_initialize(&dimm->dev); dimm->dev.parent = &mci->dev; - if (mci->mem_is_per_rank) + if (mci->csbased) dev_set_name(&dimm->dev, "rank%d", index); else dev_set_name(&dimm->dev, "dimm%d", index); @@ -778,14 +775,10 @@ static ssize_t mci_size_mb_show(struct device *dev, for (csrow_idx = 0; csrow_idx < mci->nr_csrows; csrow_idx++) { struct csrow_info *csrow = mci->csrows[csrow_idx]; - if (csrow->mci->csbased) { - total_pages += csrow->nr_pages; - } else { - for (j = 0; j < csrow->nr_channels; j++) { - struct dimm_info *dimm = csrow->channels[j]->dimm; + for (j = 0; j < csrow->nr_channels; j++) { + struct dimm_info *dimm = csrow->channels[j]->dimm; - total_pages += dimm->nr_pages; - } + total_pages += dimm->nr_pages; } } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index c194f4e680a..e2acfdbf7d3 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -1634,7 +1634,7 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo; unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo; unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo; - unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) >> 2 | pt->vsync_offset_pulse_width_lo >> 4; + unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4; unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf); /* ignore tiny modes */ @@ -1715,6 +1715,7 @@ set_size: } mode->type = DRM_MODE_TYPE_DRIVER; + mode->vrefresh = drm_mode_vrefresh(mode); drm_mode_set_name(mode); return mode; diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 434ebc3a99d..0a9f27e094e 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -44,6 +44,7 @@ static DECLARE_COMPLETION(at91_rtc_updated); static unsigned int at91_alarm_year = AT91_RTC_EPOCH; static void __iomem *at91_rtc_regs; static int irq; +static u32 at91_rtc_imr; /* * Decode time/date into rtc_time structure @@ -108,9 +109,11 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm) cr = at91_rtc_read(AT91_RTC_CR); at91_rtc_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM); + at91_rtc_imr |= AT91_RTC_ACKUPD; at91_rtc_write(AT91_RTC_IER, AT91_RTC_ACKUPD); wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */ at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD); + at91_rtc_imr &= ~AT91_RTC_ACKUPD; at91_rtc_write(AT91_RTC_TIMR, bin2bcd(tm->tm_sec) << 0 @@ -142,7 +145,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm) tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year); tm->tm_year = at91_alarm_year - 1900; - alrm->enabled = (at91_rtc_read(AT91_RTC_IMR) & AT91_RTC_ALARM) + alrm->enabled = (at91_rtc_imr & AT91_RTC_ALARM) ? 1 : 0; dev_dbg(dev, "%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__, @@ -168,6 +171,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) tm.tm_sec = alrm->time.tm_sec; at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM); + at91_rtc_imr &= ~AT91_RTC_ALARM; at91_rtc_write(AT91_RTC_TIMALR, bin2bcd(tm.tm_sec) << 0 | bin2bcd(tm.tm_min) << 8 @@ -180,6 +184,7 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) if (alrm->enabled) { at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM); + at91_rtc_imr |= AT91_RTC_ALARM; at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM); } @@ -196,9 +201,12 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) if (enabled) { at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM); + at91_rtc_imr |= AT91_RTC_ALARM; at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM); - } else + } else { at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM); + at91_rtc_imr &= ~AT91_RTC_ALARM; + } return 0; } @@ -207,12 +215,10 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) */ static int at91_rtc_proc(struct device *dev, struct seq_file *seq) { - unsigned long imr = at91_rtc_read(AT91_RTC_IMR); - seq_printf(seq, "update_IRQ\t: %s\n", - (imr & AT91_RTC_ACKUPD) ? "yes" : "no"); + (at91_rtc_imr & AT91_RTC_ACKUPD) ? "yes" : "no"); seq_printf(seq, "periodic_IRQ\t: %s\n", - (imr & AT91_RTC_SECEV) ? "yes" : "no"); + (at91_rtc_imr & AT91_RTC_SECEV) ? "yes" : "no"); return 0; } @@ -227,7 +233,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id) unsigned int rtsr; unsigned long events = 0; - rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_read(AT91_RTC_IMR); + rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_imr; if (rtsr) { /* this interrupt is shared! Is it ours? */ if (rtsr & AT91_RTC_ALARM) events |= (RTC_AF | RTC_IRQF); @@ -291,6 +297,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); + at91_rtc_imr = 0; ret = request_irq(irq, at91_rtc_interrupt, IRQF_SHARED, @@ -329,6 +336,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev) at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM | AT91_RTC_SECEV | AT91_RTC_TIMEV | AT91_RTC_CALEV); + at91_rtc_imr = 0; free_irq(irq, pdev); rtc_device_unregister(rtc); @@ -341,31 +349,35 @@ static int __exit at91_rtc_remove(struct platform_device *pdev) /* AT91RM9200 RTC Power management control */ -static u32 at91_rtc_imr; +static u32 at91_rtc_bkpimr; + static int at91_rtc_suspend(struct device *dev) { /* this IRQ is shared with DBGU and other hardware which isn't * necessarily doing PM like we are... */ - at91_rtc_imr = at91_rtc_read(AT91_RTC_IMR) - & (AT91_RTC_ALARM|AT91_RTC_SECEV); - if (at91_rtc_imr) { - if (device_may_wakeup(dev)) + at91_rtc_bkpimr = at91_rtc_imr & (AT91_RTC_ALARM|AT91_RTC_SECEV); + if (at91_rtc_bkpimr) { + if (device_may_wakeup(dev)) { enable_irq_wake(irq); - else - at91_rtc_write(AT91_RTC_IDR, at91_rtc_imr); - } + } else { + at91_rtc_write(AT91_RTC_IDR, at91_rtc_bkpimr); + at91_rtc_imr &= ~at91_rtc_bkpimr; + } +} return 0; } static int at91_rtc_resume(struct device *dev) { - if (at91_rtc_imr) { - if (device_may_wakeup(dev)) + if (at91_rtc_bkpimr) { + if (device_may_wakeup(dev)) { disable_irq_wake(irq); - else - at91_rtc_write(AT91_RTC_IER, at91_rtc_imr); + } else { + at91_rtc_imr |= at91_rtc_bkpimr; + at91_rtc_write(AT91_RTC_IER, at91_rtc_bkpimr); + } } return 0; } diff --git a/drivers/rtc/rtc-at91rm9200.h b/drivers/rtc/rtc-at91rm9200.h index da1945e5f71..5f940b6844c 100644 --- a/drivers/rtc/rtc-at91rm9200.h +++ b/drivers/rtc/rtc-at91rm9200.h @@ -64,7 +64,6 @@ #define AT91_RTC_SCCR 0x1c /* Status Clear Command Register */ #define AT91_RTC_IER 0x20 /* Interrupt Enable Register */ #define AT91_RTC_IDR 0x24 /* Interrupt Disable Register */ -#define AT91_RTC_IMR 0x28 /* Interrupt Mask Register */ #define AT91_RTC_VER 0x2c /* Valid Entry Register */ #define AT91_RTC_NVTIM (1 << 0) /* Non valid Time */ diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c index 0dde688ca09..969abbad7fe 100644 --- a/drivers/rtc/rtc-da9052.c +++ b/drivers/rtc/rtc-da9052.c @@ -239,11 +239,9 @@ static int da9052_rtc_probe(struct platform_device *pdev) rtc->da9052 = dev_get_drvdata(pdev->dev.parent); platform_set_drvdata(pdev, rtc); - rtc->irq = platform_get_irq_byname(pdev, "ALM"); - ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL, - da9052_rtc_irq, - IRQF_TRIGGER_LOW | IRQF_ONESHOT, - "ALM", rtc); + rtc->irq = DA9052_IRQ_ALARM; + ret = da9052_request_irq(rtc->da9052, rtc->irq, "ALM", + da9052_rtc_irq, rtc); if (ret != 0) { rtc_err(rtc->da9052, "irq registration failed: %d\n", ret); return ret; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 8ac25adf31b..387dc6c8ad2 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -593,7 +593,6 @@ static void acm_port_destruct(struct tty_port *port) dev_dbg(&acm->control->dev, "%s\n", __func__); - tty_unregister_device(acm_tty_driver, acm->minor); acm_release_minor(acm); usb_put_intf(acm->control); kfree(acm->country_codes); @@ -977,6 +976,8 @@ static int acm_probe(struct usb_interface *intf, int num_rx_buf; int i; int combined_interfaces = 0; + struct device *tty_dev; + int rv = -ENOMEM; /* normal quirks */ quirks = (unsigned long)id->driver_info; @@ -1339,11 +1340,24 @@ skip_countries: usb_set_intfdata(data_interface, acm); usb_get_intf(control_interface); - tty_port_register_device(&acm->port, acm_tty_driver, minor, + tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor, &control_interface->dev); + if (IS_ERR(tty_dev)) { + rv = PTR_ERR(tty_dev); + goto alloc_fail8; + } return 0; +alloc_fail8: + if (acm->country_codes) { + device_remove_file(&acm->control->dev, + &dev_attr_wCountryCodes); + device_remove_file(&acm->control->dev, + &dev_attr_iCountryCodeRelDate); + } + device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities); alloc_fail7: + usb_set_intfdata(intf, NULL); for (i = 0; i < ACM_NW; i++) usb_free_urb(acm->wb[i].urb); alloc_fail6: @@ -1359,7 +1373,7 @@ alloc_fail2: acm_release_minor(acm); kfree(acm); alloc_fail: - return -ENOMEM; + return rv; } static void stop_data_traffic(struct acm *acm) @@ -1411,6 +1425,8 @@ static void acm_disconnect(struct usb_interface *intf) stop_data_traffic(acm); + tty_unregister_device(acm_tty_driver, acm->minor); + usb_free_urb(acm->ctrlurb); for (i = 0; i < ACM_NW; i++) usb_free_urb(acm->wb[i].urb); diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 622b4a48e73..2b487d4797b 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -173,6 +173,7 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) struct hc_driver *driver; struct usb_hcd *hcd; int retval; + int hcd_irq = 0; if (usb_disabled()) return -ENODEV; @@ -187,15 +188,19 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) return -ENODEV; dev->current_state = PCI_D0; - /* The xHCI driver supports MSI and MSI-X, - * so don't fail if the BIOS doesn't provide a legacy IRQ. + /* + * The xHCI driver has its own irq management + * make sure irq setup is not touched for xhci in generic hcd code */ - if (!dev->irq && (driver->flags & HCD_MASK) != HCD_USB3) { - dev_err(&dev->dev, - "Found HC with no IRQ. Check BIOS/PCI %s setup!\n", - pci_name(dev)); - retval = -ENODEV; - goto disable_pci; + if ((driver->flags & HCD_MASK) != HCD_USB3) { + if (!dev->irq) { + dev_err(&dev->dev, + "Found HC with no IRQ. Check BIOS/PCI %s setup!\n", + pci_name(dev)); + retval = -ENODEV; + goto disable_pci; + } + hcd_irq = dev->irq; } hcd = usb_create_hcd(driver, &dev->dev, pci_name(dev)); @@ -245,7 +250,7 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) pci_set_master(dev); - retval = usb_add_hcd(hcd, dev->irq, IRQF_SHARED); + retval = usb_add_hcd(hcd, hcd_irq, IRQF_SHARED); if (retval != 0) goto unmap_registers; set_hs_companion(dev, hcd); diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c index 71beeb83355..cc9c49c57c8 100644 --- a/drivers/usb/gadget/f_rndis.c +++ b/drivers/usb/gadget/f_rndis.c @@ -447,14 +447,13 @@ static void rndis_response_complete(struct usb_ep *ep, struct usb_request *req) static void rndis_command_complete(struct usb_ep *ep, struct usb_request *req) { struct f_rndis *rndis = req->context; - struct usb_composite_dev *cdev = rndis->port.func.config->cdev; int status; /* received RNDIS command from USB_CDC_SEND_ENCAPSULATED_COMMAND */ // spin_lock(&dev->lock); status = rndis_msg_parser(rndis->config, (u8 *) req->buf); if (status < 0) - ERROR(cdev, "RNDIS command error %d, %d/%d\n", + pr_err("RNDIS command error %d, %d/%d\n", status, req->actual, req->length); // spin_unlock(&dev->lock); } diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c index 3953dd4d718..3b343b23e4b 100644 --- a/drivers/usb/gadget/g_ffs.c +++ b/drivers/usb/gadget/g_ffs.c @@ -357,7 +357,7 @@ static int gfs_bind(struct usb_composite_dev *cdev) goto error; gfs_dev_desc.iProduct = gfs_strings[USB_GADGET_PRODUCT_IDX].id; - for (i = func_num; --i; ) { + for (i = func_num; i--; ) { ret = functionfs_bind(ffs_tab[i].ffs_data, cdev); if (unlikely(ret < 0)) { while (++i < func_num) @@ -413,7 +413,7 @@ static int gfs_unbind(struct usb_composite_dev *cdev) gether_cleanup(); gfs_ether_setup = false; - for (i = func_num; --i; ) + for (i = func_num; i--; ) if (ffs_tab[i].ffs_data) functionfs_unbind(ffs_tab[i].ffs_data); diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index d226058e3b8..32524b63195 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -59,7 +59,7 @@ static const char * const ep_name[] = { }; #define DMA_ADDR_INVALID (~(dma_addr_t)0) -#ifdef CONFIG_USB_GADGET_NET2272_DMA +#ifdef CONFIG_USB_NET2272_DMA /* * use_dma: the NET2272 can use an external DMA controller. * Note that since there is no generic DMA api, some functions, @@ -1495,6 +1495,13 @@ stop_activity(struct net2272 *dev, struct usb_gadget_driver *driver) for (i = 0; i < 4; ++i) net2272_dequeue_all(&dev->ep[i]); + /* report disconnect; the driver is already quiesced */ + if (driver) { + spin_unlock(&dev->lock); + driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } + net2272_usb_reinit(dev); } diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index a1b650e1133..3bd0f992fb4 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -1924,7 +1924,6 @@ static int net2280_start(struct usb_gadget *_gadget, err_func: device_remove_file (&dev->pdev->dev, &dev_attr_function); err_unbind: - driver->unbind (&dev->gadget); dev->gadget.dev.driver = NULL; dev->driver = NULL; return retval; @@ -1946,6 +1945,13 @@ stop_activity (struct net2280 *dev, struct usb_gadget_driver *driver) for (i = 0; i < 7; i++) nuke (&dev->ep [i]); + /* report disconnect; the driver is already quiesced */ + if (driver) { + spin_unlock(&dev->lock); + driver->disconnect(&dev->gadget); + spin_lock(&dev->lock); + } + usb_reinit (dev); } diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index c5034d9c946..b369292d4b9 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -136,7 +136,7 @@ static struct portmaster { pr_debug(fmt, ##arg) #endif /* pr_vdebug */ #else -#ifndef pr_vdebig +#ifndef pr_vdebug #define pr_vdebug(fmt, arg...) \ ({ if (0) pr_debug(fmt, ##arg); }) #endif /* pr_vdebug */ diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index 2a9cd369f71..f8f62c3ed65 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -216,7 +216,7 @@ static void usb_gadget_remove_driver(struct usb_udc *udc) usb_gadget_disconnect(udc->gadget); udc->driver->disconnect(udc->gadget); udc->driver->unbind(udc->gadget); - usb_gadget_udc_stop(udc->gadget, udc->driver); + usb_gadget_udc_stop(udc->gadget, NULL); udc->driver = NULL; udc->dev.driver = NULL; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 5726cb144ab..416a6dce5e1 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -302,6 +302,7 @@ static void ehci_quiesce (struct ehci_hcd *ehci) static void end_unlink_async(struct ehci_hcd *ehci); static void unlink_empty_async(struct ehci_hcd *ehci); +static void unlink_empty_async_suspended(struct ehci_hcd *ehci); static void ehci_work(struct ehci_hcd *ehci); static void start_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh); static void end_unlink_intr(struct ehci_hcd *ehci, struct ehci_qh *qh); diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 4d3b294f203..7d06e77f6c4 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -328,7 +328,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd) ehci->rh_state = EHCI_RH_SUSPENDED; end_unlink_async(ehci); - unlink_empty_async(ehci); + unlink_empty_async_suspended(ehci); ehci_handle_intr_unlinks(ehci); end_free_itds(ehci); diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 5464665f0b6..23d13690428 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1316,6 +1316,19 @@ static void unlink_empty_async(struct ehci_hcd *ehci) } } +/* The root hub is suspended; unlink all the async QHs */ +static void unlink_empty_async_suspended(struct ehci_hcd *ehci) +{ + struct ehci_qh *qh; + + while (ehci->async->qh_next.qh) { + qh = ehci->async->qh_next.qh; + WARN_ON(!list_empty(&qh->qtd_list)); + single_unlink_async(ehci, qh); + } + start_iaa_cycle(ehci, false); +} + /* makes sure the async qh will become idle */ /* caller must own ehci->lock */ diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c index 20dbdcbe9b0..c3fa1305f83 100644 --- a/drivers/usb/host/ehci-timer.c +++ b/drivers/usb/host/ehci-timer.c @@ -304,7 +304,7 @@ static void ehci_iaa_watchdog(struct ehci_hcd *ehci) * (a) SMP races against real IAA firing and retriggering, and * (b) clean HC shutdown, when IAA watchdog was pending. */ - if (ehci->async_iaa) { + if (1) { u32 cmd, status; /* If we get here, IAA is *REALLY* late. It's barely diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index f1f01a834ba..849470b1883 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -350,7 +350,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) * generate interrupts. Don't even try to enable MSI. */ if (xhci->quirks & XHCI_BROKEN_MSI) - return 0; + goto legacy_irq; /* unregister the legacy interrupt */ if (hcd->irq) @@ -371,6 +371,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd) return -EINVAL; } + legacy_irq: /* fall back to legacy interrupt*/ ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED, hcd->irq_descr, hcd); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index f791bd0aee6..2c510e4a7d4 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -206,8 +206,8 @@ struct xhci_op_regs { /* bits 12:31 are reserved (and should be preserved on writes). */ /* IMAN - Interrupt Management Register */ -#define IMAN_IP (1 << 1) -#define IMAN_IE (1 << 0) +#define IMAN_IE (1 << 1) +#define IMAN_IP (1 << 0) /* USBSTS - USB status - status bitmasks */ /* HC not running - set to 1 when run/stop bit is cleared. */ diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 7c71769d71f..41613a2b35e 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -327,7 +327,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) u8 devctl = musb_readb(mregs, MUSB_DEVCTL); int err; - err = musb->int_usb & USB_INTR_VBUSERROR; + err = musb->int_usb & MUSB_INTR_VBUSERROR; if (err) { /* * The Mentor core doesn't debounce VBUS as needed diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index be18537c5f1..83eddedcd9b 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -141,7 +141,9 @@ static inline void map_dma_buffer(struct musb_request *request, static inline void unmap_dma_buffer(struct musb_request *request, struct musb *musb) { - if (!is_buffer_mapped(request)) + struct musb_ep *musb_ep = request->ep; + + if (!is_buffer_mapped(request) || !musb_ep->dma) return; if (request->request.dma == DMA_ADDR_INVALID) { @@ -195,7 +197,10 @@ __acquires(ep->musb->lock) ep->busy = 1; spin_unlock(&musb->lock); - unmap_dma_buffer(req, musb); + + if (!dma_mapping_error(&musb->g.dev, request->dma)) + unmap_dma_buffer(req, musb); + if (request->status == 0) dev_dbg(musb->controller, "%s done request %p, %d/%d\n", ep->end_point.name, request, diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index cbd904b8fba..4775f8209e5 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -62,7 +62,6 @@ static int is_irda(struct usb_serial *serial) } struct ark3116_private { - wait_queue_head_t delta_msr_wait; struct async_icount icount; int irda; /* 1 for irda device */ @@ -146,7 +145,6 @@ static int ark3116_port_probe(struct usb_serial_port *port) if (!priv) return -ENOMEM; - init_waitqueue_head(&priv->delta_msr_wait); mutex_init(&priv->hw_lock); spin_lock_init(&priv->status_lock); @@ -456,10 +454,14 @@ static int ark3116_ioctl(struct tty_struct *tty, case TIOCMIWAIT: for (;;) { struct async_icount prev = priv->icount; - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + if ((prev.rng == priv->icount.rng) && (prev.dsr == priv->icount.dsr) && (prev.dcd == priv->icount.dcd) && @@ -580,7 +582,7 @@ static void ark3116_update_msr(struct usb_serial_port *port, __u8 msr) priv->icount.dcd++; if (msr & UART_MSR_TERI) priv->icount.rng++; - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } } diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index d255f66e708..07d4650a32a 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -80,7 +80,6 @@ MODULE_DEVICE_TABLE(usb, id_table); struct ch341_private { spinlock_t lock; /* access lock */ - wait_queue_head_t delta_msr_wait; /* wait queue for modem status */ unsigned baud_rate; /* set baud rate */ u8 line_control; /* set line control value RTS/DTR */ u8 line_status; /* active status of modem control inputs */ @@ -252,7 +251,6 @@ static int ch341_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); priv->baud_rate = DEFAULT_BAUD_RATE; priv->line_control = CH341_BIT_RTS | CH341_BIT_DTR; @@ -298,7 +296,7 @@ static void ch341_dtr_rts(struct usb_serial_port *port, int on) priv->line_control &= ~(CH341_BIT_RTS | CH341_BIT_DTR); spin_unlock_irqrestore(&priv->lock, flags); ch341_set_handshake(port->serial->dev, priv->line_control); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } static void ch341_close(struct usb_serial_port *port) @@ -491,7 +489,7 @@ static void ch341_read_int_callback(struct urb *urb) tty_kref_put(tty); } - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } exit: @@ -517,11 +515,14 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (!multi_change) { - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; multi_change = priv->multi_status_change; diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 8efa19d0e9f..ba7352e4187 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -111,7 +111,6 @@ struct cypress_private { int baud_rate; /* stores current baud rate in integer form */ int isthrottled; /* if throttled, discard reads */ - wait_queue_head_t delta_msr_wait; /* used for TIOCMIWAIT */ char prev_status, diff_status; /* used for TIOCMIWAIT */ /* we pass a pointer to this as the argument sent to cypress_set_termios old_termios */ @@ -449,7 +448,6 @@ static int cypress_generic_port_probe(struct usb_serial_port *port) kfree(priv); return -ENOMEM; } - init_waitqueue_head(&priv->delta_msr_wait); usb_reset_configuration(serial->dev); @@ -868,12 +866,16 @@ static int cypress_ioctl(struct tty_struct *tty, switch (cmd) { /* This code comes from drivers/char/serial.c and ftdi_sio.c */ case TIOCMIWAIT: - while (priv != NULL) { - interruptible_sleep_on(&priv->delta_msr_wait); + for (;;) { + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; - else { + + if (port->serial->disconnected) + return -EIO; + + { char diff = priv->diff_status; if (diff == 0) return -EIO; /* no change => error */ @@ -1187,7 +1189,7 @@ static void cypress_read_int_callback(struct urb *urb) if (priv->current_status != priv->prev_status) { priv->diff_status |= priv->current_status ^ priv->prev_status; - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); priv->prev_status = priv->current_status; } spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c index b1b2dc64b50..a172ad5c5ce 100644 --- a/drivers/usb/serial/f81232.c +++ b/drivers/usb/serial/f81232.c @@ -47,7 +47,6 @@ MODULE_DEVICE_TABLE(usb, id_table); struct f81232_private { spinlock_t lock; - wait_queue_head_t delta_msr_wait; u8 line_control; u8 line_status; }; @@ -111,7 +110,7 @@ static void f81232_process_read_urb(struct urb *urb) line_status = priv->line_status; priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); if (!urb->actual_length) return; @@ -256,11 +255,14 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; spin_unlock_irqrestore(&priv->lock, flags); @@ -322,7 +324,6 @@ static int f81232_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); usb_set_serial_port_data(port, priv); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index edd162df49c..d4809d55147 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -69,9 +69,7 @@ struct ftdi_private { int flags; /* some ASYNC_xxxx flags are supported */ unsigned long last_dtr_rts; /* saved modem control outputs */ struct async_icount icount; - wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ char prev_status; /* Used for TIOCMIWAIT */ - bool dev_gone; /* Used to abort TIOCMIWAIT */ char transmit_empty; /* If transmitter is empty or not */ __u16 interface; /* FT2232C, FT2232H or FT4232H port interface (0 for FT232/245) */ @@ -1691,10 +1689,8 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port) kref_init(&priv->kref); mutex_init(&priv->cfg_lock); - init_waitqueue_head(&priv->delta_msr_wait); priv->flags = ASYNC_LOW_LATENCY; - priv->dev_gone = false; if (quirk && quirk->port_probe) quirk->port_probe(priv); @@ -1840,8 +1836,7 @@ static int ftdi_sio_port_remove(struct usb_serial_port *port) { struct ftdi_private *priv = usb_get_serial_port_data(port); - priv->dev_gone = true; - wake_up_interruptible_all(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); remove_sysfs_attrs(port); @@ -1989,7 +1984,7 @@ static int ftdi_process_packet(struct usb_serial_port *port, if (diff_status & FTDI_RS0_RLSD) priv->icount.dcd++; - wake_up_interruptible_all(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); priv->prev_status = status; } @@ -2440,11 +2435,15 @@ static int ftdi_ioctl(struct tty_struct *tty, */ case TIOCMIWAIT: cprev = priv->icount; - while (!priv->dev_gone) { - interruptible_sleep_on(&priv->delta_msr_wait); + for (;;) { + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = priv->icount; if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) || ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) || @@ -2454,8 +2453,6 @@ static int ftdi_ioctl(struct tty_struct *tty, } cprev = cnow; } - return -EIO; - break; case TIOCSERGETLSR: return get_lsr_info(port, (struct serial_struct __user *)arg); break; diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 1a07b12ef34..81caf5623ee 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -956,10 +956,7 @@ static void garmin_close(struct usb_serial_port *port) if (!serial) return; - mutex_lock(&port->serial->disc_mutex); - - if (!port->serial->disconnected) - garmin_clear(garmin_data_p); + garmin_clear(garmin_data_p); /* shutdown our urbs */ usb_kill_urb(port->read_urb); @@ -968,8 +965,6 @@ static void garmin_close(struct usb_serial_port *port) /* keep reset state so we know that we must start a new session */ if (garmin_data_p->state != STATE_RESET) garmin_data_p->state = STATE_DISCONNECTED; - - mutex_unlock(&port->serial->disc_mutex); } diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index b00e5cbf741..efd8b978128 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -110,7 +110,6 @@ struct edgeport_port { wait_queue_head_t wait_chase; /* for handling sleeping while waiting for chase to finish */ wait_queue_head_t wait_open; /* for handling sleeping while waiting for open to finish */ wait_queue_head_t wait_command; /* for handling sleeping while waiting for command to finish */ - wait_queue_head_t delta_msr_wait; /* for handling sleeping while waiting for msr change to happen */ struct async_icount icount; struct usb_serial_port *port; /* loop back to the owner of this object */ @@ -884,7 +883,6 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) /* initialize our wait queues */ init_waitqueue_head(&edge_port->wait_open); init_waitqueue_head(&edge_port->wait_chase); - init_waitqueue_head(&edge_port->delta_msr_wait); init_waitqueue_head(&edge_port->wait_command); /* initialize our icount structure */ @@ -1669,13 +1667,17 @@ static int edge_ioctl(struct tty_struct *tty, dev_dbg(&port->dev, "%s (%d) TIOCMIWAIT\n", __func__, port->number); cprev = edge_port->icount; while (1) { - prepare_to_wait(&edge_port->delta_msr_wait, + prepare_to_wait(&port->delta_msr_wait, &wait, TASK_INTERRUPTIBLE); schedule(); - finish_wait(&edge_port->delta_msr_wait, &wait); + finish_wait(&port->delta_msr_wait, &wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = edge_port->icount; if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) @@ -2051,7 +2053,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 newMsr) icount->dcd++; if (newMsr & EDGEPORT_MSR_DELTA_RI) icount->rng++; - wake_up_interruptible(&edge_port->delta_msr_wait); + wake_up_interruptible(&edge_port->port->delta_msr_wait); } /* Save the new modem status */ diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index c23776679f7..7777172206d 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -87,9 +87,6 @@ struct edgeport_port { int close_pending; int lsr_event; struct async_icount icount; - wait_queue_head_t delta_msr_wait; /* for handling sleeping while - waiting for msr change to - happen */ struct edgeport_serial *edge_serial; struct usb_serial_port *port; __u8 bUartMode; /* Port type, 0: RS232, etc. */ @@ -1459,7 +1456,7 @@ static void handle_new_msr(struct edgeport_port *edge_port, __u8 msr) icount->dcd++; if (msr & EDGEPORT_MSR_DELTA_RI) icount->rng++; - wake_up_interruptible(&edge_port->delta_msr_wait); + wake_up_interruptible(&edge_port->port->delta_msr_wait); } /* Save the new modem status */ @@ -1754,7 +1751,6 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) dev = port->serial->dev; memset(&(edge_port->icount), 0x00, sizeof(edge_port->icount)); - init_waitqueue_head(&edge_port->delta_msr_wait); /* turn off loopback */ status = ti_do_config(edge_port, UMPC_SET_CLR_LOOPBACK, 0); @@ -2434,10 +2430,14 @@ static int edge_ioctl(struct tty_struct *tty, dev_dbg(&port->dev, "%s - TIOCMIWAIT\n", __func__); cprev = edge_port->icount; while (1) { - interruptible_sleep_on(&edge_port->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = edge_port->icount; if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) @@ -2649,6 +2649,7 @@ static struct usb_serial_driver edgeport_2port_device = { .set_termios = edge_set_termios, .tiocmget = edge_tiocmget, .tiocmset = edge_tiocmset, + .get_icount = edge_get_icount, .write = edge_write, .write_room = edge_write_room, .chars_in_buffer = edge_chars_in_buffer, diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index a64d420f687..06d5a60be2c 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -114,8 +114,6 @@ struct mct_u232_private { unsigned char last_msr; /* Modem Status Register */ unsigned int rx_flags; /* Throttling flags */ struct async_icount icount; - wait_queue_head_t msr_wait; /* for handling sleeping while waiting - for msr change to happen */ }; #define THROTTLED 0x01 @@ -409,7 +407,6 @@ static int mct_u232_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->msr_wait); usb_set_serial_port_data(port, priv); @@ -601,7 +598,7 @@ static void mct_u232_read_int_callback(struct urb *urb) tty_kref_put(tty); } #endif - wake_up_interruptible(&priv->msr_wait); + wake_up_interruptible(&port->delta_msr_wait); spin_unlock_irqrestore(&priv->lock, flags); exit: retval = usb_submit_urb(urb, GFP_ATOMIC); @@ -810,13 +807,17 @@ static int mct_u232_ioctl(struct tty_struct *tty, cprev = mct_u232_port->icount; spin_unlock_irqrestore(&mct_u232_port->lock, flags); for ( ; ; ) { - prepare_to_wait(&mct_u232_port->msr_wait, + prepare_to_wait(&port->delta_msr_wait, &wait, TASK_INTERRUPTIBLE); schedule(); - finish_wait(&mct_u232_port->msr_wait, &wait); + finish_wait(&port->delta_msr_wait, &wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&mct_u232_port->lock, flags); cnow = mct_u232_port->icount; spin_unlock_irqrestore(&mct_u232_port->lock, flags); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 809fb329eca..b8051fa6191 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -219,7 +219,6 @@ struct moschip_port { char open; char open_ports; wait_queue_head_t wait_chase; /* for handling sleeping while waiting for chase to finish */ - wait_queue_head_t delta_msr_wait; /* for handling sleeping while waiting for msr change to happen */ int delta_msr_cond; struct async_icount icount; struct usb_serial_port *port; /* loop back to the owner of this object */ @@ -423,6 +422,9 @@ static void mos7840_handle_new_msr(struct moschip_port *port, __u8 new_msr) icount->rng++; smp_wmb(); } + + mos7840_port->delta_msr_cond = 1; + wake_up_interruptible(&port->port->delta_msr_wait); } } @@ -1127,7 +1129,6 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port) /* initialize our wait queues */ init_waitqueue_head(&mos7840_port->wait_chase); - init_waitqueue_head(&mos7840_port->delta_msr_wait); /* initialize our icount structure */ memset(&(mos7840_port->icount), 0x00, sizeof(mos7840_port->icount)); @@ -2017,8 +2018,6 @@ static void mos7840_change_port_settings(struct tty_struct *tty, mos7840_port->read_urb_busy = false; } } - wake_up(&mos7840_port->delta_msr_wait); - mos7840_port->delta_msr_cond = 1; dev_dbg(&port->dev, "%s - mos7840_port->shadowLCR is End %x\n", __func__, mos7840_port->shadowLCR); } @@ -2219,13 +2218,18 @@ static int mos7840_ioctl(struct tty_struct *tty, while (1) { /* interruptible_sleep_on(&mos7840_port->delta_msr_wait); */ mos7840_port->delta_msr_cond = 0; - wait_event_interruptible(mos7840_port->delta_msr_wait, - (mos7840_port-> + wait_event_interruptible(port->delta_msr_wait, + (port->serial->disconnected || + mos7840_port-> delta_msr_cond == 1)); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = mos7840_port->icount; smp_rmb(); if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index a958fd41b5b..87c71ccfee8 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -188,7 +188,6 @@ struct oti6858_private { u8 setup_done; struct delayed_work delayed_setup_work; - wait_queue_head_t intr_wait; struct usb_serial_port *port; /* USB port with which associated */ }; @@ -339,7 +338,6 @@ static int oti6858_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->intr_wait); priv->port = port; INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line); INIT_DELAYED_WORK(&priv->delayed_write_work, send_data); @@ -664,11 +662,15 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - wait_event_interruptible(priv->intr_wait, + wait_event_interruptible(port->delta_msr_wait, + port->serial->disconnected || priv->status.pin_state != prev); if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->status.pin_state & PIN_MASK; spin_unlock_irqrestore(&priv->lock, flags); @@ -763,7 +765,7 @@ static void oti6858_read_int_callback(struct urb *urb) if (!priv->transient) { if (xs->pin_state != priv->status.pin_state) - wake_up_interruptible(&priv->intr_wait); + wake_up_interruptible(&port->delta_msr_wait); memcpy(&priv->status, xs, OTI6858_CTRL_PKT_SIZE); } diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 54adc9125e5..3b10018d89a 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -139,7 +139,6 @@ struct pl2303_serial_private { struct pl2303_private { spinlock_t lock; - wait_queue_head_t delta_msr_wait; u8 line_control; u8 line_status; }; @@ -233,7 +232,6 @@ static int pl2303_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); usb_set_serial_port_data(port, priv); @@ -607,11 +605,14 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; spin_unlock_irqrestore(&priv->lock, flags); @@ -719,7 +720,7 @@ static void pl2303_update_line_status(struct usb_serial_port *port, spin_unlock_irqrestore(&priv->lock, flags); if (priv->line_status & UART_BREAK_ERROR) usb_serial_handle_break(port); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); tty = tty_port_tty_get(&port->port); if (!tty) @@ -783,7 +784,7 @@ static void pl2303_process_read_urb(struct urb *urb) line_status = priv->line_status; priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); if (!urb->actual_length) return; diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index d643a4d4d77..75f125ddb0c 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -128,7 +128,6 @@ struct qt2_port_private { u8 shadowLSR; u8 shadowMSR; - wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ struct async_icount icount; struct usb_serial_port *port; @@ -506,8 +505,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->lock, flags); while (1) { - wait_event_interruptible(priv->delta_msr_wait, - ((priv->icount.rng != prev.rng) || + wait_event_interruptible(port->delta_msr_wait, + (port->serial->disconnected || + (priv->icount.rng != prev.rng) || (priv->icount.dsr != prev.dsr) || (priv->icount.dcd != prev.dcd) || (priv->icount.cts != prev.cts))); @@ -515,6 +515,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); cur = priv->icount; spin_unlock_irqrestore(&priv->lock, flags); @@ -827,7 +830,6 @@ static int qt2_port_probe(struct usb_serial_port *port) spin_lock_init(&port_priv->lock); spin_lock_init(&port_priv->urb_lock); - init_waitqueue_head(&port_priv->delta_msr_wait); port_priv->port = port; port_priv->write_urb = usb_alloc_urb(0, GFP_KERNEL); @@ -970,7 +972,7 @@ static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch) if (newMSR & UART_MSR_TERI) port_priv->icount.rng++; - wake_up_interruptible(&port_priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } } diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 91ff8e3bddb..549ef68ff5f 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -149,7 +149,6 @@ enum spcp8x5_type { struct spcp8x5_private { spinlock_t lock; enum spcp8x5_type type; - wait_queue_head_t delta_msr_wait; u8 line_control; u8 line_status; }; @@ -179,7 +178,6 @@ static int spcp8x5_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->lock); - init_waitqueue_head(&priv->delta_msr_wait); priv->type = type; usb_set_serial_port_data(port , priv); @@ -475,7 +473,7 @@ static void spcp8x5_process_read_urb(struct urb *urb) priv->line_status &= ~UART_STATE_TRANSIENT_MASK; spin_unlock_irqrestore(&priv->lock, flags); /* wake up the wait for termios */ - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); if (!urb->actual_length) return; @@ -526,12 +524,15 @@ static int spcp8x5_wait_modem_info(struct usb_serial_port *port, while (1) { /* wake up in bulk read */ - interruptible_sleep_on(&priv->delta_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); /* see if a signal did it */ if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->lock, flags); status = priv->line_status; spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index b57cf841c5b..4b2a19757b4 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -61,7 +61,6 @@ struct ssu100_port_private { spinlock_t status_lock; u8 shadowLSR; u8 shadowMSR; - wait_queue_head_t delta_msr_wait; /* Used for TIOCMIWAIT */ struct async_icount icount; }; @@ -355,8 +354,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) spin_unlock_irqrestore(&priv->status_lock, flags); while (1) { - wait_event_interruptible(priv->delta_msr_wait, - ((priv->icount.rng != prev.rng) || + wait_event_interruptible(port->delta_msr_wait, + (port->serial->disconnected || + (priv->icount.rng != prev.rng) || (priv->icount.dsr != prev.dsr) || (priv->icount.dcd != prev.dcd) || (priv->icount.cts != prev.cts))); @@ -364,6 +364,9 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg) if (signal_pending(current)) return -ERESTARTSYS; + if (port->serial->disconnected) + return -EIO; + spin_lock_irqsave(&priv->status_lock, flags); cur = priv->icount; spin_unlock_irqrestore(&priv->status_lock, flags); @@ -445,7 +448,6 @@ static int ssu100_port_probe(struct usb_serial_port *port) return -ENOMEM; spin_lock_init(&priv->status_lock); - init_waitqueue_head(&priv->delta_msr_wait); usb_set_serial_port_data(port, priv); @@ -537,7 +539,7 @@ static void ssu100_update_msr(struct usb_serial_port *port, u8 msr) priv->icount.dcd++; if (msr & UART_MSR_TERI) priv->icount.rng++; - wake_up_interruptible(&priv->delta_msr_wait); + wake_up_interruptible(&port->delta_msr_wait); } } diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 39cb9b807c3..73deb029fc0 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -74,7 +74,6 @@ struct ti_port { int tp_flags; int tp_closing_wait;/* in .01 secs */ struct async_icount tp_icount; - wait_queue_head_t tp_msr_wait; /* wait for msr change */ wait_queue_head_t tp_write_wait; struct ti_device *tp_tdev; struct usb_serial_port *tp_port; @@ -432,7 +431,6 @@ static int ti_port_probe(struct usb_serial_port *port) else tport->tp_uart_base_addr = TI_UART2_BASE_ADDR; tport->tp_closing_wait = closing_wait; - init_waitqueue_head(&tport->tp_msr_wait); init_waitqueue_head(&tport->tp_write_wait); if (kfifo_alloc(&tport->write_fifo, TI_WRITE_BUF_SIZE, GFP_KERNEL)) { kfree(tport); @@ -784,9 +782,13 @@ static int ti_ioctl(struct tty_struct *tty, dev_dbg(&port->dev, "%s - TIOCMIWAIT\n", __func__); cprev = tport->tp_icount; while (1) { - interruptible_sleep_on(&tport->tp_msr_wait); + interruptible_sleep_on(&port->delta_msr_wait); if (signal_pending(current)) return -ERESTARTSYS; + + if (port->serial->disconnected) + return -EIO; + cnow = tport->tp_icount; if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr && cnow.dcd == cprev.dcd && cnow.cts == cprev.cts) @@ -1392,7 +1394,7 @@ static void ti_handle_new_msr(struct ti_port *tport, __u8 msr) icount->dcd++; if (msr & TI_MSR_DELTA_RI) icount->rng++; - wake_up_interruptible(&tport->tp_msr_wait); + wake_up_interruptible(&tport->tp_port->delta_msr_wait); spin_unlock_irqrestore(&tport->tp_lock, flags); } diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index a19ed74d770..2e70efa08b7 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -151,6 +151,7 @@ static void destroy_serial(struct kref *kref) } } + usb_put_intf(serial->interface); usb_put_dev(serial->dev); kfree(serial); } @@ -620,7 +621,7 @@ static struct usb_serial *create_serial(struct usb_device *dev, } serial->dev = usb_get_dev(dev); serial->type = driver; - serial->interface = interface; + serial->interface = usb_get_intf(interface); kref_init(&serial->kref); mutex_init(&serial->disc_mutex); serial->minor = SERIAL_TTY_NO_MINOR; diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index da04a074e79..1799335288b 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -496,6 +496,13 @@ UNUSUAL_DEV( 0x04e8, 0x5122, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_MAX_SECTORS_64 | US_FL_BULK_IGNORE_TAG), +/* Added by Dmitry Artamonow <mad_soft@inbox.ru> */ +UNUSUAL_DEV( 0x04e8, 0x5136, 0x0000, 0x9999, + "Samsung", + "YP-Z3", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_MAX_SECTORS_64), + /* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. * Device uses standards-violating 32-byte Bulk Command Block Wrappers and * reports itself as "Proprietary SCSI Bulk." Cf. device entry 0x084d:0x0011. diff --git a/drivers/video/ep93xx-fb.c b/drivers/video/ep93xx-fb.c index 3f2519d3071..e06cd5d90c9 100644 --- a/drivers/video/ep93xx-fb.c +++ b/drivers/video/ep93xx-fb.c @@ -23,6 +23,7 @@ #include <linux/slab.h> #include <linux/clk.h> #include <linux/fb.h> +#include <linux/io.h> #include <linux/platform_data/video-ep93xx.h> |