diff options
Diffstat (limited to 'drivers/usb')
28 files changed, 230 insertions, 120 deletions
diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index 4a851e1..77b47d8 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -1,6 +1,6 @@ config USB_CHIPIDEA tristate "ChipIdea Highspeed Dual Role Controller" - depends on (USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET) + depends on ((USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET)) && HAS_DMA help Say Y here if your system has a dual role high speed USB controller based on ChipIdea silicon IP. Currently, only the diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 74d998d..be822a2 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -131,7 +131,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "usbmisc init failed, ret=%d\n", ret); - goto err_clk; + goto err_phy; } } @@ -143,7 +143,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Can't register ci_hdrc platform device, err=%d\n", ret); - goto err_clk; + goto err_phy; } if (data->usbmisc_data) { @@ -164,6 +164,9 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) disable_device: ci_hdrc_remove_device(data->ci_pdev); +err_phy: + if (data->phy) + usb_phy_shutdown(data->phy); err_clk: clk_disable_unprepare(data->clk); return ret; diff --git a/drivers/usb/chipidea/ci_hdrc_pci.c b/drivers/usb/chipidea/ci_hdrc_pci.c index 042320a..d514332 100644 --- a/drivers/usb/chipidea/ci_hdrc_pci.c +++ b/drivers/usb/chipidea/ci_hdrc_pci.c @@ -129,7 +129,12 @@ static DEFINE_PCI_DEVICE_TABLE(ci_hdrc_pci_id_table) = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829), .driver_data = (kernel_ulong_t)&penwell_pci_platdata, }, - { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ } + { + /* Intel Clovertrail */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe006), + .driver_data = (kernel_ulong_t)&penwell_pci_platdata, + }, + { 0 } /* end: all zeroes */ }; MODULE_DEVICE_TABLE(pci, ci_hdrc_pci_id_table); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 9462640..23763dc 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -605,6 +605,7 @@ static int ci_hdrc_remove(struct platform_device *pdev) dbg_remove_files(ci); free_irq(ci->irq, ci); ci_role_destroy(ci); + kfree(ci->hw_bank.regmap); return 0; } diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 6b4c2f2..9333083 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1600,6 +1600,8 @@ static void destroy_eps(struct ci_hdrc *ci) for (i = 0; i < ci->hw_ep_max; i++) { struct ci_hw_ep *hwep = &ci->ci_hw_ep[i]; + if (hwep->pending_td) + free_pending_td(hwep); dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma); } } @@ -1667,13 +1669,13 @@ static int ci_udc_stop(struct usb_gadget *gadget, if (ci->platdata->notify_event) ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_STOPPED_EVENT); - ci->driver = NULL; spin_unlock_irqrestore(&ci->lock, flags); _gadget_stop_activity(&ci->gadget); spin_lock_irqsave(&ci->lock, flags); pm_runtime_put(&ci->gadget.dev); } + ci->driver = NULL; spin_unlock_irqrestore(&ci->lock, flags); return 0; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 737e3c1..71dc5d7 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -742,6 +742,22 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, if ((index & ~USB_DIR_IN) == 0) return 0; ret = findintfep(ps->dev, index); + if (ret < 0) { + /* + * Some not fully compliant Win apps seem to get + * index wrong and have the endpoint number here + * rather than the endpoint address (with the + * correct direction). Win does let this through, + * so we'll not reject it here but leave it to + * the device to not break KVM. But we warn. + */ + ret = findintfep(ps->dev, index ^ 0x80); + if (ret >= 0) + dev_info(&ps->dev->dev, + "%s: process %i (%s) requesting ep %02x but needs %02x\n", + __func__, task_pid_nr(current), + current->comm, index, index ^ 0x80); + } if (ret >= 0) ret = checkintf(ps, ret); break; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index dde4c83..e6b682c 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -3426,6 +3426,9 @@ static int usb_req_set_sel(struct usb_device *udev, enum usb3_link_state state) unsigned long long u2_pel; int ret; + if (udev->state != USB_STATE_CONFIGURED) + return 0; + /* Convert SEL and PEL stored in ns to us */ u1_sel = DIV_ROUND_UP(udev->u1_params.sel, 1000); u1_pel = DIV_ROUND_UP(udev->u1_params.pel, 1000); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 997ebe4..2e252aa 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -29,6 +29,7 @@ #define PCI_VENDOR_ID_SYNOPSYS 0x16c3 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd #define PCI_DEVICE_ID_INTEL_BYT 0x0f37 +#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e struct dwc3_pci { struct device *dev; @@ -189,6 +190,7 @@ static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = { PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), }, { } /* Terminating Entry */ }; MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 1a66c5b..44cf775 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1034,37 +1034,19 @@ struct ffs_sb_fill_data { struct ffs_file_perms perms; umode_t root_mode; const char *dev_name; - union { - /* set by ffs_fs_mount(), read by ffs_sb_fill() */ - void *private_data; - /* set by ffs_sb_fill(), read by ffs_fs_mount */ - struct ffs_data *ffs_data; - }; + struct ffs_data *ffs_data; }; static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) { struct ffs_sb_fill_data *data = _data; struct inode *inode; - struct ffs_data *ffs; + struct ffs_data *ffs = data->ffs_data; ENTER(); - /* Initialise data */ - ffs = ffs_data_new(); - if (unlikely(!ffs)) - goto Enomem; - ffs->sb = sb; - ffs->dev_name = kstrdup(data->dev_name, GFP_KERNEL); - if (unlikely(!ffs->dev_name)) - goto Enomem; - ffs->file_perms = data->perms; - ffs->private_data = data->private_data; - - /* used by the caller of this function */ - data->ffs_data = ffs; - + data->ffs_data = NULL; sb->s_fs_info = ffs; sb->s_blocksize = PAGE_CACHE_SIZE; sb->s_blocksize_bits = PAGE_CACHE_SHIFT; @@ -1080,17 +1062,14 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) &data->perms); sb->s_root = d_make_root(inode); if (unlikely(!sb->s_root)) - goto Enomem; + return -ENOMEM; /* EP0 file */ if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs, &ffs_ep0_operations, NULL))) - goto Enomem; + return -ENOMEM; return 0; - -Enomem: - return -ENOMEM; } static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts) @@ -1193,6 +1172,7 @@ ffs_fs_mount(struct file_system_type *t, int flags, struct dentry *rv; int ret; void *ffs_dev; + struct ffs_data *ffs; ENTER(); @@ -1200,18 +1180,30 @@ ffs_fs_mount(struct file_system_type *t, int flags, if (unlikely(ret < 0)) return ERR_PTR(ret); + ffs = ffs_data_new(); + if (unlikely(!ffs)) + return ERR_PTR(-ENOMEM); + ffs->file_perms = data.perms; + + ffs->dev_name = kstrdup(dev_name, GFP_KERNEL); + if (unlikely(!ffs->dev_name)) { + ffs_data_put(ffs); + return ERR_PTR(-ENOMEM); + } + ffs_dev = functionfs_acquire_dev_callback(dev_name); - if (IS_ERR(ffs_dev)) - return ffs_dev; + if (IS_ERR(ffs_dev)) { + ffs_data_put(ffs); + return ERR_CAST(ffs_dev); + } + ffs->private_data = ffs_dev; + data.ffs_data = ffs; - data.dev_name = dev_name; - data.private_data = ffs_dev; rv = mount_nodev(t, flags, &data, ffs_sb_fill); - - /* data.ffs_data is set by ffs_sb_fill */ - if (IS_ERR(rv)) + if (IS_ERR(rv) && data.ffs_data) { functionfs_release_dev_callback(data.ffs_data); - + ffs_data_put(data.ffs_data); + } return rv; } @@ -2264,6 +2256,8 @@ static int ffs_func_bind(struct usb_configuration *c, data->raw_descs + ret, (sizeof data->raw_descs) - ret, __ffs_func_bind_do_descs, func); + if (unlikely(ret < 0)) + goto error; } /* diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index cc92074..0ac6064 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -2054,7 +2054,7 @@ static struct pxa25x_udc memory = { /* * probe - binds to the platform device */ -static int __init pxa25x_udc_probe(struct platform_device *pdev) +static int pxa25x_udc_probe(struct platform_device *pdev) { struct pxa25x_udc *dev = &memory; int retval, irq; @@ -2203,7 +2203,7 @@ static void pxa25x_udc_shutdown(struct platform_device *_dev) pullup_off(); } -static int __exit pxa25x_udc_remove(struct platform_device *pdev) +static int pxa25x_udc_remove(struct platform_device *pdev) { struct pxa25x_udc *dev = platform_get_drvdata(pdev); @@ -2294,7 +2294,8 @@ static int pxa25x_udc_resume(struct platform_device *dev) static struct platform_driver udc_driver = { .shutdown = pxa25x_udc_shutdown, - .remove = __exit_p(pxa25x_udc_remove), + .probe = pxa25x_udc_probe, + .remove = pxa25x_udc_remove, .suspend = pxa25x_udc_suspend, .resume = pxa25x_udc_resume, .driver = { @@ -2303,7 +2304,7 @@ static struct platform_driver udc_driver = { }, }; -module_platform_driver_probe(udc_driver, pxa25x_udc_probe); +module_platform_driver(udc_driver); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell"); diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 6bddf1a..a8a99e4 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -543,7 +543,7 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, * FIFO, requests of >512 cause the endpoint to get stuck with a * fragment of the end of the transfer in it. */ - if (can_write > 512) + if (can_write > 512 && !periodic) can_write = 512; /* diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 4449f56..f2407b2 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -130,7 +130,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver, } /* Enable USB controller, 83xx or 8536 */ - if (pdata->have_sysif_regs) + if (pdata->have_sysif_regs && pdata->controller_ver < FSL_USB_VER_1_6) setbits32(hcd->regs + FSL_SOC_USB_CTRL, 0x4); /* Don't need to set host mode here. It will be done by tdi_reset() */ @@ -232,15 +232,9 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd, case FSL_USB2_PHY_ULPI: if (pdata->have_sysif_regs && pdata->controller_ver) { /* controller version 1.6 or above */ + clrbits32(non_ehci + FSL_SOC_USB_CTRL, UTMI_PHY_EN); setbits32(non_ehci + FSL_SOC_USB_CTRL, - ULPI_PHY_CLK_SEL); - /* - * Due to controller issue of PHY_CLK_VALID in ULPI - * mode, we set USB_CTRL_USB_EN before checking - * PHY_CLK_VALID, otherwise PHY_CLK_VALID doesn't work. - */ - clrsetbits_be32(non_ehci + FSL_SOC_USB_CTRL, - UTMI_PHY_EN, USB_CTRL_USB_EN); + ULPI_PHY_CLK_SEL | USB_CTRL_USB_EN); } portsc |= PORT_PTS_ULPI; break; @@ -270,8 +264,9 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd, if (pdata->have_sysif_regs && pdata->controller_ver && (phy_mode == FSL_USB2_PHY_ULPI)) { /* check PHY_CLK_VALID to get phy clk valid */ - if (!spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) & - PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0)) { + if (!(spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) & + PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0) || + in_be32(non_ehci + FSL_SOC_USB_PRICTRL))) { printk(KERN_WARNING "fsl-ehci: USB PHY clock invalid\n"); return -EINVAL; } diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 6bd299e..854c2ec 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -361,7 +361,7 @@ static struct pci_driver ehci_pci_driver = { .remove = usb_hcd_pci_remove, .shutdown = usb_hcd_pci_shutdown, -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM .driver = { .pm = &usb_hcd_pci_pm_ops }, diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index 60a5de5..adb01d9 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -824,13 +824,13 @@ static int imx21_hc_urb_enqueue_isoc(struct usb_hcd *hcd, i = DIV_ROUND_UP(wrap_frame( cur_frame - urb->start_frame), urb->interval); - if (urb->transfer_flags & URB_ISO_ASAP) { + + /* Treat underruns as if URB_ISO_ASAP was set */ + if ((urb->transfer_flags & URB_ISO_ASAP) || + i >= urb->number_of_packets) { urb->start_frame = wrap_frame(urb->start_frame + i * urb->interval); i = 0; - } else if (i >= urb->number_of_packets) { - ret = -EXDEV; - goto alloc_dmem_failed; } } } diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 8f6b695..604cad1 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -216,31 +216,26 @@ static int ohci_urb_enqueue ( frame &= ~(ed->interval - 1); frame |= ed->branch; urb->start_frame = frame; + ed->last_iso = frame + ed->interval * (size - 1); } } else if (ed->type == PIPE_ISOCHRONOUS) { u16 next = ohci_frame_no(ohci) + 1; u16 frame = ed->last_iso + ed->interval; + u16 length = ed->interval * (size - 1); /* Behind the scheduling threshold? */ if (unlikely(tick_before(frame, next))) { - /* USB_ISO_ASAP: Round up to the first available slot */ + /* URB_ISO_ASAP: Round up to the first available slot */ if (urb->transfer_flags & URB_ISO_ASAP) { frame += (next - frame + ed->interval - 1) & -ed->interval; /* - * Not ASAP: Use the next slot in the stream. If - * the entire URB falls before the threshold, fail. + * Not ASAP: Use the next slot in the stream, + * no matter what. */ } else { - if (tick_before(frame + ed->interval * - (urb->number_of_packets - 1), next)) { - retval = -EXDEV; - usb_hcd_unlink_urb_from_ep(hcd, urb); - goto fail; - } - /* * Some OHCI hardware doesn't handle late TDs * correctly. After retiring them it proceeds @@ -251,9 +246,16 @@ static int ohci_urb_enqueue ( urb_priv->td_cnt = DIV_ROUND_UP( (u16) (next - frame), ed->interval); + if (urb_priv->td_cnt >= urb_priv->length) { + ++urb_priv->td_cnt; /* Mark it */ + ohci_dbg(ohci, "iso underrun %p (%u+%u < %u)\n", + urb, frame, length, + next); + } } } urb->start_frame = frame; + ed->last_iso = frame + length; } /* fill the TDs and link them to the ed; and diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index df4a670..e7f577e 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -41,9 +41,13 @@ finish_urb(struct ohci_hcd *ohci, struct urb *urb, int status) __releases(ohci->lock) __acquires(ohci->lock) { - struct device *dev = ohci_to_hcd(ohci)->self.controller; + struct device *dev = ohci_to_hcd(ohci)->self.controller; + struct usb_host_endpoint *ep = urb->ep; + struct urb_priv *urb_priv; + // ASSERT (urb->hcpriv != 0); + restart: urb_free_priv (ohci, urb->hcpriv); urb->hcpriv = NULL; if (likely(status == -EINPROGRESS)) @@ -80,6 +84,21 @@ __acquires(ohci->lock) ohci->hc_control &= ~(OHCI_CTRL_PLE|OHCI_CTRL_IE); ohci_writel (ohci, ohci->hc_control, &ohci->regs->control); } + + /* + * An isochronous URB that is sumitted too late won't have any TDs + * (marked by the fact that the td_cnt value is larger than the + * actual number of TDs). If the next URB on this endpoint is like + * that, give it back now. + */ + if (!list_empty(&ep->urb_list)) { + urb = list_first_entry(&ep->urb_list, struct urb, urb_list); + urb_priv = urb->hcpriv; + if (urb_priv->td_cnt > urb_priv->length) { + status = 0; + goto restart; + } + } } @@ -546,7 +565,6 @@ td_fill (struct ohci_hcd *ohci, u32 info, td->hwCBP = cpu_to_hc32 (ohci, data & 0xFFFFF000); *ohci_hwPSWp(ohci, td, 0) = cpu_to_hc16 (ohci, (data & 0x0FFF) | 0xE000); - td->ed->last_iso = info & 0xffff; } else { td->hwCBP = cpu_to_hc32 (ohci, data); } @@ -996,7 +1014,7 @@ rescan_this: urb_priv->td_cnt++; /* if URB is done, clean up */ - if (urb_priv->td_cnt == urb_priv->length) { + if (urb_priv->td_cnt >= urb_priv->length) { modified = completed = 1; finish_urb(ohci, urb, 0); } @@ -1086,7 +1104,7 @@ static void takeback_td(struct ohci_hcd *ohci, struct td *td) urb_priv->td_cnt++; /* If all this urb's TDs are done, call complete() */ - if (urb_priv->td_cnt == urb_priv->length) + if (urb_priv->td_cnt >= urb_priv->length) finish_urb(ohci, urb, status); /* clean schedule: unlink EDs that are no longer busy */ diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c index c300bd2f7..0f228c4 100644 --- a/drivers/usb/host/uhci-pci.c +++ b/drivers/usb/host/uhci-pci.c @@ -293,7 +293,7 @@ static struct pci_driver uhci_pci_driver = { .remove = usb_hcd_pci_remove, .shutdown = uhci_shutdown, -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM .driver = { .pm = &usb_hcd_pci_pm_ops }, diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index 041c6dd..da6f56d 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1303,7 +1303,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, } /* Fell behind? */ - if (uhci_frame_before_eq(frame, next)) { + if (!uhci_frame_before_eq(next, frame)) { /* USB_ISO_ASAP: Round up to the first available slot */ if (urb->transfer_flags & URB_ISO_ASAP) @@ -1311,13 +1311,17 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, -qh->period; /* - * Not ASAP: Use the next slot in the stream. If - * the entire URB falls before the threshold, fail. + * Not ASAP: Use the next slot in the stream, + * no matter what. */ else if (!uhci_frame_before_eq(next, frame + (urb->number_of_packets - 1) * qh->period)) - return -EXDEV; + dev_dbg(uhci_dev(uhci), "iso underrun %p (%u+%u < %u)\n", + urb, frame, + (urb->number_of_packets - 1) * + qh->period, + next); } } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index fae697e..773a6b2 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -287,7 +287,7 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend) if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue) xhci_queue_stop_endpoint(xhci, slot_id, i, suspend); } - cmd->command_trb = xhci->cmd_ring->enqueue; + cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring); list_add_tail(&cmd->cmd_list, &virt_dev->cmd_list); xhci_queue_stop_endpoint(xhci, slot_id, 0, suspend); xhci_ring_cmd_db(xhci); @@ -552,11 +552,15 @@ void xhci_del_comp_mod_timer(struct xhci_hcd *xhci, u32 status, u16 wIndex) * - Mark a port as being done with device resume, * and ring the endpoint doorbells. * - Stop the Synopsys redriver Compliance Mode polling. + * - Drop and reacquire the xHCI lock, in order to wait for port resume. */ static u32 xhci_get_port_status(struct usb_hcd *hcd, struct xhci_bus_state *bus_state, __le32 __iomem **port_array, - u16 wIndex, u32 raw_port_status) + u16 wIndex, u32 raw_port_status, + unsigned long flags) + __releases(&xhci->lock) + __acquires(&xhci->lock) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); u32 status = 0; @@ -591,21 +595,42 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, return 0xffffffff; if (time_after_eq(jiffies, bus_state->resume_done[wIndex])) { + int time_left; + xhci_dbg(xhci, "Resume USB2 port %d\n", wIndex + 1); bus_state->resume_done[wIndex] = 0; clear_bit(wIndex, &bus_state->resuming_ports); + + set_bit(wIndex, &bus_state->rexit_ports); xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); - xhci_dbg(xhci, "set port %d resume\n", - wIndex + 1); - slot_id = xhci_find_slot_id_by_port(hcd, xhci, - wIndex + 1); - if (!slot_id) { - xhci_dbg(xhci, "slot_id is zero\n"); - return 0xffffffff; + + spin_unlock_irqrestore(&xhci->lock, flags); + time_left = wait_for_completion_timeout( + &bus_state->rexit_done[wIndex], + msecs_to_jiffies( + XHCI_MAX_REXIT_TIMEOUT)); + spin_lock_irqsave(&xhci->lock, flags); + + if (time_left) { + slot_id = xhci_find_slot_id_by_port(hcd, + xhci, wIndex + 1); + if (!slot_id) { + xhci_dbg(xhci, "slot_id is zero\n"); + return 0xffffffff; + } + xhci_ring_device(xhci, slot_id); + } else { + int port_status = xhci_readl(xhci, + port_array[wIndex]); + xhci_warn(xhci, "Port resume took longer than %i msec, port status = 0x%x\n", + XHCI_MAX_REXIT_TIMEOUT, + port_status); + status |= USB_PORT_STAT_SUSPEND; + clear_bit(wIndex, &bus_state->rexit_ports); } - xhci_ring_device(xhci, slot_id); + bus_state->port_c_suspend |= 1 << wIndex; bus_state->suspended_ports &= ~(1 << wIndex); } else { @@ -728,7 +753,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, break; } status = xhci_get_port_status(hcd, bus_state, port_array, - wIndex, temp); + wIndex, temp, flags); if (status == 0xffffffff) goto error; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 53b972c..83bcd13 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2428,6 +2428,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) for (i = 0; i < USB_MAXCHILDREN; ++i) { xhci->bus_state[0].resume_done[i] = 0; xhci->bus_state[1].resume_done[i] = 0; + /* Only the USB 2.0 completions will ever be used. */ + init_completion(&xhci->bus_state[1].rexit_done[i]); } if (scratchpad_alloc(xhci, flags)) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index c2d4950..236c3aa 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -351,7 +351,7 @@ static struct pci_driver xhci_pci_driver = { /* suspend and resume implemented later */ .shutdown = usb_hcd_pci_shutdown, -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM .driver = { .pm = &usb_hcd_pci_pm_ops }, diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 411da1f..6bfbd80 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -123,6 +123,16 @@ static int enqueue_is_link_trb(struct xhci_ring *ring) return TRB_TYPE_LINK_LE32(link->control); } +union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring) +{ + /* Enqueue pointer can be left pointing to the link TRB, + * we must handle that + */ + if (TRB_TYPE_LINK_LE32(ring->enqueue->link.control)) + return ring->enq_seg->next->trbs; + return ring->enqueue; +} + /* Updates trb to point to the next TRB in the ring, and updates seg if the next * TRB is in a new segment. This does not skip over link TRBs, and it does not * effect the ring dequeue or enqueue pointers. @@ -859,8 +869,12 @@ remove_finished_td: /* Otherwise ring the doorbell(s) to restart queued transfers */ ring_doorbell_for_active_rings(xhci, slot_id, ep_index); } - ep->stopped_td = NULL; - ep->stopped_trb = NULL; + + /* Clear stopped_td and stopped_trb if endpoint is not halted */ + if (!(ep->ep_state & EP_HALTED)) { + ep->stopped_td = NULL; + ep->stopped_trb = NULL; + } /* * Drop the lock and complete the URBs in the cancelled TD list. @@ -1414,6 +1428,12 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, inc_deq(xhci, xhci->cmd_ring); return; } + /* There is no command to handle if we get a stop event when the + * command ring is empty, event->cmd_trb points to the next + * unset command + */ + if (xhci->cmd_ring->dequeue == xhci->cmd_ring->enqueue) + return; } switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3]) @@ -1743,6 +1763,19 @@ static void handle_port_status(struct xhci_hcd *xhci, } } + /* + * Check to see if xhci-hub.c is waiting on RExit to U0 transition (or + * RExit to a disconnect state). If so, let the the driver know it's + * out of the RExit state. + */ + if (!DEV_SUPERSPEED(temp) && + test_and_clear_bit(faked_port_index, + &bus_state->rexit_ports)) { + complete(&bus_state->rexit_done[faked_port_index]); + bogus_port_status = true; + goto cleanup; + } + if (hcd->speed != HCD_USB3) xhci_test_and_clear_bit(xhci, port_array, faked_port_index, PORT_PLC); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 49b6edb..1e36dbb 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2598,15 +2598,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, if (command) { cmd_completion = command->completion; cmd_status = &command->status; - command->command_trb = xhci->cmd_ring->enqueue; - - /* Enqueue pointer can be left pointing to the link TRB, - * we must handle that - */ - if (TRB_TYPE_LINK_LE32(command->command_trb->link.control)) - command->command_trb = - xhci->cmd_ring->enq_seg->next->trbs; - + command->command_trb = xhci_find_next_enqueue(xhci->cmd_ring); list_add_tail(&command->cmd_list, &virt_dev->cmd_list); } else { cmd_completion = &virt_dev->cmd_completion; @@ -2614,7 +2606,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, } init_completion(cmd_completion); - cmd_trb = xhci->cmd_ring->dequeue; + cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring); if (!ctx_change) ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma, udev->slot_id, must_succeed); @@ -3439,14 +3431,7 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev) /* Attempt to submit the Reset Device command to the command ring */ spin_lock_irqsave(&xhci->lock, flags); - reset_device_cmd->command_trb = xhci->cmd_ring->enqueue; - - /* Enqueue pointer can be left pointing to the link TRB, - * we must handle that - */ - if (TRB_TYPE_LINK_LE32(reset_device_cmd->command_trb->link.control)) - reset_device_cmd->command_trb = - xhci->cmd_ring->enq_seg->next->trbs; + reset_device_cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring); list_add_tail(&reset_device_cmd->cmd_list, &virt_dev->cmd_list); ret = xhci_queue_reset_device(xhci, slot_id); @@ -3650,7 +3635,7 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) union xhci_trb *cmd_trb; spin_lock_irqsave(&xhci->lock, flags); - cmd_trb = xhci->cmd_ring->dequeue; + cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring); ret = xhci_queue_slot_control(xhci, TRB_ENABLE_SLOT, 0); if (ret) { spin_unlock_irqrestore(&xhci->lock, flags); @@ -3785,7 +3770,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) slot_ctx->dev_info >> 27); spin_lock_irqsave(&xhci->lock, flags); - cmd_trb = xhci->cmd_ring->dequeue; + cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring); ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma, udev->slot_id); if (ret) { diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 46aa148..289fbfb 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1412,8 +1412,18 @@ struct xhci_bus_state { unsigned long resume_done[USB_MAXCHILDREN]; /* which ports have started to resume */ unsigned long resuming_ports; + /* Which ports are waiting on RExit to U0 transition. */ + unsigned long rexit_ports; + struct completion rexit_done[USB_MAXCHILDREN]; }; + +/* + * It can take up to 20 ms to transition from RExit to U0 on the + * Intel Lynx Point LP xHCI host. + */ +#define XHCI_MAX_REXIT_TIMEOUT (20 * 1000) + static inline unsigned int hcd_index(struct usb_hcd *hcd) { if (hcd->speed == HCD_USB3) @@ -1840,6 +1850,7 @@ int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command, union xhci_trb *cmd_trb); void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id); +union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring); /* xHCI roothub code */ void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array, diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 4047cbb..bd4138d 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -535,6 +535,9 @@ static int dsps_probe(struct platform_device *pdev) struct dsps_glue *glue; int ret; + if (!strcmp(pdev->name, "musb-hdrc")) + return -ENODEV; + match = of_match_node(musb_dsps_of_match, pdev->dev.of_node); if (!match) { dev_err(&pdev->dev, "fail to get matching of_match struct\n"); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 9a08679..b19ed21 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1790,6 +1790,10 @@ int musb_gadget_setup(struct musb *musb) musb->g.max_speed = USB_SPEED_HIGH; musb->g.speed = USB_SPEED_UNKNOWN; + MUSB_DEV_MODE(musb); + musb->xceiv->otg->default_a = 0; + musb->xceiv->state = OTG_STATE_B_IDLE; + /* this "gadget" abstracts/virtualizes the controller */ musb->g.name = musb_driver_name; musb->g.is_otg = 1; @@ -1849,7 +1853,6 @@ static int musb_gadget_start(struct usb_gadget *g, musb->gadget_driver = driver; spin_lock_irqsave(&musb->lock, flags); - musb->is_active = 1; otg_set_peripheral(otg, &musb->g); musb->xceiv->state = OTG_STATE_B_IDLE; diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index b2f29c9..02799a5 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -241,7 +241,7 @@ static int gpio_vbus_set_suspend(struct usb_phy *phy, int suspend) /* platform driver interface */ -static int __init gpio_vbus_probe(struct platform_device *pdev) +static int gpio_vbus_probe(struct platform_device *pdev) { struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); struct gpio_vbus_data *gpio_vbus; @@ -349,7 +349,7 @@ err_gpio: return err; } -static int __exit gpio_vbus_remove(struct platform_device *pdev) +static int gpio_vbus_remove(struct platform_device *pdev) { struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev); struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); @@ -398,8 +398,6 @@ static const struct dev_pm_ops gpio_vbus_dev_pm_ops = { }; #endif -/* NOTE: the gpio-vbus device may *NOT* be hotplugged */ - MODULE_ALIAS("platform:gpio-vbus"); static struct platform_driver gpio_vbus_driver = { @@ -410,10 +408,11 @@ static struct platform_driver gpio_vbus_driver = { .pm = &gpio_vbus_dev_pm_ops, #endif }, - .remove = __exit_p(gpio_vbus_remove), + .probe = gpio_vbus_probe, + .remove = gpio_vbus_remove, }; -module_platform_driver_probe(gpio_vbus_driver, gpio_vbus_probe); +module_platform_driver(gpio_vbus_driver); MODULE_DESCRIPTION("simple GPIO controlled OTG transceiver driver"); MODULE_AUTHOR("Philipp Zabel"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 1cf6f12..80a7104 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -81,6 +81,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_VENDOR_ID 0x12D1 #define HUAWEI_PRODUCT_E173 0x140C +#define HUAWEI_PRODUCT_E1750 0x1406 #define HUAWEI_PRODUCT_K4505 0x1464 #define HUAWEI_PRODUCT_K3765 0x1465 #define HUAWEI_PRODUCT_K4605 0x14C6 @@ -567,6 +568,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t) &net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1442, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff), |
