diff options
Diffstat (limited to 'drivers/usb')
27 files changed, 193 insertions, 106 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index b5abfe89190c..df8812c30640 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -454,9 +454,11 @@ err_clk: imx_disable_unprepare_clks(dev); disable_hsic_regulator: if (data->hsic_pad_regulator) - ret = regulator_disable(data->hsic_pad_regulator); + /* don't overwrite original ret (cf. EPROBE_DEFER) */ + regulator_disable(data->hsic_pad_regulator); if (pdata.flags & CI_HDRC_PMQOS) pm_qos_remove_request(&data->pm_qos_req); + data->ci_pdev = NULL; return ret; } @@ -469,14 +471,17 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); } - ci_hdrc_remove_device(data->ci_pdev); + if (data->ci_pdev) + ci_hdrc_remove_device(data->ci_pdev); if (data->override_phy_control) usb_phy_shutdown(data->phy); - imx_disable_unprepare_clks(&pdev->dev); - if (data->plat_data->flags & CI_HDRC_PMQOS) - pm_qos_remove_request(&data->pm_qos_req); - if (data->hsic_pad_regulator) - regulator_disable(data->hsic_pad_regulator); + if (data->ci_pdev) { + imx_disable_unprepare_clks(&pdev->dev); + if (data->plat_data->flags & CI_HDRC_PMQOS) + pm_qos_remove_request(&data->pm_qos_req); + if (data->hsic_pad_regulator) + regulator_disable(data->hsic_pad_regulator); + } return 0; } diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 6a5ee8e6da10..67ad40b0a05b 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -709,12 +709,6 @@ static int _gadget_stop_activity(struct usb_gadget *gadget) struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); unsigned long flags; - spin_lock_irqsave(&ci->lock, flags); - ci->gadget.speed = USB_SPEED_UNKNOWN; - ci->remote_wakeup = 0; - ci->suspended = 0; - spin_unlock_irqrestore(&ci->lock, flags); - /* flush all endpoints */ gadget_for_each_ep(ep, gadget) { usb_ep_fifo_flush(ep); @@ -732,6 +726,12 @@ static int _gadget_stop_activity(struct usb_gadget *gadget) ci->status = NULL; } + spin_lock_irqsave(&ci->lock, flags); + ci->gadget.speed = USB_SPEED_UNKNOWN; + ci->remote_wakeup = 0; + ci->suspended = 0; + spin_unlock_irqrestore(&ci->lock, flags); + return 0; } @@ -1303,6 +1303,10 @@ static int ep_disable(struct usb_ep *ep) return -EBUSY; spin_lock_irqsave(hwep->lock, flags); + if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { + spin_unlock_irqrestore(hwep->lock, flags); + return 0; + } /* only internal SW should disable ctrl endpts */ @@ -1392,6 +1396,10 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req, return -EINVAL; spin_lock_irqsave(hwep->lock, flags); + if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { + spin_unlock_irqrestore(hwep->lock, flags); + return 0; + } retval = _ep_queue(ep, req, gfp_flags); spin_unlock_irqrestore(hwep->lock, flags); return retval; @@ -1415,8 +1423,8 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) return -EINVAL; spin_lock_irqsave(hwep->lock, flags); - - hw_ep_flush(hwep->ci, hwep->num, hwep->dir); + if (hwep->ci->gadget.speed != USB_SPEED_UNKNOWN) + hw_ep_flush(hwep->ci, hwep->num, hwep->dir); list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) { dma_pool_free(hwep->td_pool, node->ptr, node->dma); @@ -1487,6 +1495,10 @@ static void ep_fifo_flush(struct usb_ep *ep) } spin_lock_irqsave(hwep->lock, flags); + if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) { + spin_unlock_irqrestore(hwep->lock, flags); + return; + } hw_ep_flush(hwep->ci, hwep->num, hwep->dir); @@ -1559,6 +1571,10 @@ static int ci_udc_wakeup(struct usb_gadget *_gadget) int ret = 0; spin_lock_irqsave(&ci->lock, flags); + if (ci->gadget.speed == USB_SPEED_UNKNOWN) { + spin_unlock_irqrestore(&ci->lock, flags); + return 0; + } if (!ci->remote_wakeup) { ret = -EOPNOTSUPP; goto out; diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 183b41753c98..62f4fb9b362f 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1301,10 +1301,6 @@ made_compressed_probe: tty_port_init(&acm->port); acm->port.ops = &acm_port_ops; - minor = acm_alloc_minor(acm); - if (minor < 0) - goto alloc_fail1; - ctrlsize = usb_endpoint_maxp(epctrl); readsize = usb_endpoint_maxp(epread) * (quirks == SINGLE_RX_URB ? 1 : 2); @@ -1312,6 +1308,13 @@ made_compressed_probe: acm->writesize = usb_endpoint_maxp(epwrite) * 20; acm->control = control_interface; acm->data = data_interface; + + usb_get_intf(acm->control); /* undone in destruct() */ + + minor = acm_alloc_minor(acm); + if (minor < 0) + goto alloc_fail1; + acm->minor = minor; acm->dev = usb_dev; if (h.usb_cdc_acm_descriptor) @@ -1458,7 +1461,6 @@ skip_countries: usb_driver_claim_interface(&acm_driver, data_interface, acm); usb_set_intfdata(data_interface, acm); - usb_get_intf(control_interface); tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor, &control_interface->dev); if (IS_ERR(tty_dev)) { diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index a7824a51f86d..70afb2ca1eab 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -587,10 +587,20 @@ static int wdm_flush(struct file *file, fl_owner_t id) { struct wdm_device *desc = file->private_data; - wait_event(desc->wait, !test_bit(WDM_IN_USE, &desc->flags)); + wait_event(desc->wait, + /* + * needs both flags. We cannot do with one + * because resetting it would cause a race + * with write() yet we need to signal + * a disconnect + */ + !test_bit(WDM_IN_USE, &desc->flags) || + test_bit(WDM_DISCONNECTING, &desc->flags)); /* cannot dereference desc->intf if WDM_DISCONNECTING */ - if (desc->werr < 0 && !test_bit(WDM_DISCONNECTING, &desc->flags)) + if (test_bit(WDM_DISCONNECTING, &desc->flags)) + return -ENODEV; + if (desc->werr < 0) dev_err(&desc->intf->dev, "Error in flush path: %d\n", desc->werr); @@ -974,8 +984,6 @@ static void wdm_disconnect(struct usb_interface *intf) spin_lock_irqsave(&desc->iuspin, flags); set_bit(WDM_DISCONNECTING, &desc->flags); set_bit(WDM_READ, &desc->flags); - /* to terminate pending flushes */ - clear_bit(WDM_IN_USE, &desc->flags); spin_unlock_irqrestore(&desc->iuspin, flags); wake_up_all(&desc->wait); mutex_lock(&desc->rlock); diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 4942122b2346..36858ddd8d9b 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -2362,8 +2362,11 @@ static int usbtmc_probe(struct usb_interface *intf, goto err_put; } + retcode = -EINVAL; data->bulk_in = bulk_in->bEndpointAddress; data->wMaxPacketSize = usb_endpoint_maxp(bulk_in); + if (!data->wMaxPacketSize) + goto err_put; dev_dbg(&intf->dev, "Found bulk in endpoint at %u\n", data->bulk_in); data->bulk_out = bulk_out->bEndpointAddress; diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index 1359b78a624e..6cf22c27f2d2 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -66,9 +66,7 @@ int hcd_buffer_create(struct usb_hcd *hcd) char name[16]; int i, size; - if (!IS_ENABLED(CONFIG_HAS_DMA) || - (!is_device_dma_capable(hcd->self.sysdev) && - !hcd->localmem_pool)) + if (hcd->localmem_pool || !hcd_uses_dma(hcd)) return 0; for (i = 0; i < HCD_BUFFER_POOLS; i++) { @@ -129,8 +127,7 @@ void *hcd_buffer_alloc( return gen_pool_dma_alloc(hcd->localmem_pool, size, dma); /* some USB hosts just use PIO */ - if (!IS_ENABLED(CONFIG_HAS_DMA) || - !is_device_dma_capable(bus->sysdev)) { + if (!hcd_uses_dma(hcd)) { *dma = ~(dma_addr_t) 0; return kmalloc(size, mem_flags); } @@ -160,8 +157,7 @@ void hcd_buffer_free( return; } - if (!IS_ENABLED(CONFIG_HAS_DMA) || - !is_device_dma_capable(bus->sysdev)) { + if (!hcd_uses_dma(hcd)) { kfree(addr); return; } diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 65de6f73b672..558890ada0e5 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -193,9 +193,10 @@ int usb_register_dev(struct usb_interface *intf, intf->minor = minor; break; } - up_write(&minor_rwsem); - if (intf->minor < 0) + if (intf->minor < 0) { + up_write(&minor_rwsem); return -EXFULL; + } /* create a usb class device for this usb interface */ snprintf(name, sizeof(name), class_driver->name, minor - minor_base); @@ -203,12 +204,11 @@ int usb_register_dev(struct usb_interface *intf, MKDEV(USB_MAJOR, minor), class_driver, "%s", kbasename(name)); if (IS_ERR(intf->usb_dev)) { - down_write(&minor_rwsem); usb_minors[minor] = NULL; intf->minor = -1; - up_write(&minor_rwsem); retval = PTR_ERR(intf->usb_dev); } + up_write(&minor_rwsem); return retval; } EXPORT_SYMBOL_GPL(usb_register_dev); @@ -234,12 +234,12 @@ void usb_deregister_dev(struct usb_interface *intf, return; dev_dbg(&intf->dev, "removing %d minor\n", intf->minor); + device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor)); down_write(&minor_rwsem); usb_minors[intf->minor] = NULL; up_write(&minor_rwsem); - device_destroy(usb_class->class, MKDEV(USB_MAJOR, intf->minor)); intf->usb_dev = NULL; intf->minor = -1; destroy_usb_class(); diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 03432467b05f..7537681355f6 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -216,17 +216,18 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) /* EHCI, OHCI */ hcd->rsrc_start = pci_resource_start(dev, 0); hcd->rsrc_len = pci_resource_len(dev, 0); - if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, - driver->description)) { + if (!devm_request_mem_region(&dev->dev, hcd->rsrc_start, + hcd->rsrc_len, driver->description)) { dev_dbg(&dev->dev, "controller already in use\n"); retval = -EBUSY; goto put_hcd; } - hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); + hcd->regs = devm_ioremap_nocache(&dev->dev, hcd->rsrc_start, + hcd->rsrc_len); if (hcd->regs == NULL) { dev_dbg(&dev->dev, "error mapping memory\n"); retval = -EFAULT; - goto release_mem_region; + goto put_hcd; } } else { @@ -240,8 +241,8 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) hcd->rsrc_start = pci_resource_start(dev, region); hcd->rsrc_len = pci_resource_len(dev, region); - if (request_region(hcd->rsrc_start, hcd->rsrc_len, - driver->description)) + if (devm_request_region(&dev->dev, hcd->rsrc_start, + hcd->rsrc_len, driver->description)) break; } if (region == PCI_ROM_RESOURCE) { @@ -275,20 +276,13 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) } if (retval != 0) - goto unmap_registers; + goto put_hcd; device_wakeup_enable(hcd->self.controller); if (pci_dev_run_wake(dev)) pm_runtime_put_noidle(&dev->dev); return retval; -unmap_registers: - if (driver->flags & HCD_MEMORY) { - iounmap(hcd->regs); -release_mem_region: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - } else - release_region(hcd->rsrc_start, hcd->rsrc_len); put_hcd: usb_put_hcd(hcd); disable_pci: @@ -347,14 +341,6 @@ void usb_hcd_pci_remove(struct pci_dev *dev) dev_set_drvdata(&dev->dev, NULL); up_read(&companions_rwsem); } - - if (hcd->driver->flags & HCD_MEMORY) { - iounmap(hcd->regs); - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); - } else { - release_region(hcd->rsrc_start, hcd->rsrc_len); - } - usb_put_hcd(hcd); pci_disable_device(dev); } diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 2ccbc2f83570..8592c0344fe8 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1412,7 +1412,7 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, if (usb_endpoint_xfer_control(&urb->ep->desc)) { if (hcd->self.uses_pio_for_control) return ret; - if (IS_ENABLED(CONFIG_HAS_DMA) && hcd->self.uses_dma) { + if (hcd_uses_dma(hcd)) { if (is_vmalloc_addr(urb->setup_packet)) { WARN_ONCE(1, "setup packet is not dma capable\n"); return -EAGAIN; @@ -1446,7 +1446,7 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, dir = usb_urb_dir_in(urb) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; if (urb->transfer_buffer_length != 0 && !(urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP)) { - if (IS_ENABLED(CONFIG_HAS_DMA) && hcd->self.uses_dma) { + if (hcd_uses_dma(hcd)) { if (urb->num_sgs) { int n; diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index e844bb7b5676..5adf489428aa 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -2218,14 +2218,14 @@ int cdc_parse_cdc_header(struct usb_cdc_parsed_header *hdr, (struct usb_cdc_dmm_desc *)buffer; break; case USB_CDC_MDLM_TYPE: - if (elength < sizeof(struct usb_cdc_mdlm_desc *)) + if (elength < sizeof(struct usb_cdc_mdlm_desc)) goto next_desc; if (desc) return -EINVAL; desc = (struct usb_cdc_mdlm_desc *)buffer; break; case USB_CDC_MDLM_DETAIL_TYPE: - if (elength < sizeof(struct usb_cdc_mdlm_detail_desc *)) + if (elength < sizeof(struct usb_cdc_mdlm_detail_desc)) goto next_desc; if (detail) return -EINVAL; diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index ee144ff8af5b..111787a137ee 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -4608,7 +4608,7 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, buf = urb->transfer_buffer; - if (hcd->self.uses_dma) { + if (hcd_uses_dma(hcd)) { if (!buf && (urb->transfer_dma & 3)) { dev_err(hsotg->dev, "%s: unaligned transfer with no transfer_buffer", diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 9118b42c70b6..76883ff4f5bb 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1976,6 +1976,7 @@ void composite_disconnect(struct usb_gadget *gadget) * disconnect callbacks? */ spin_lock_irqsave(&cdev->lock, flags); + cdev->suspended = 0; if (cdev->config) reset_config(cdev); if (cdev->driver->disconnect) diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 29cc5693e05c..7c96c4665178 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -261,7 +261,7 @@ struct fsg_common; struct fsg_common { struct usb_gadget *gadget; struct usb_composite_dev *cdev; - struct fsg_dev *fsg, *new_fsg; + struct fsg_dev *fsg; wait_queue_head_t io_wait; wait_queue_head_t fsg_wait; @@ -290,6 +290,7 @@ struct fsg_common { unsigned int bulk_out_maxpacket; enum fsg_state state; /* For exception handling */ unsigned int exception_req_tag; + void *exception_arg; enum data_direction data_dir; u32 data_size; @@ -391,7 +392,8 @@ static int fsg_set_halt(struct fsg_dev *fsg, struct usb_ep *ep) /* These routines may be called in process context or in_irq */ -static void raise_exception(struct fsg_common *common, enum fsg_state new_state) +static void __raise_exception(struct fsg_common *common, enum fsg_state new_state, + void *arg) { unsigned long flags; @@ -404,6 +406,7 @@ static void raise_exception(struct fsg_common *common, enum fsg_state new_state) if (common->state <= new_state) { common->exception_req_tag = common->ep0_req_tag; common->state = new_state; + common->exception_arg = arg; if (common->thread_task) send_sig_info(SIGUSR1, SEND_SIG_PRIV, common->thread_task); @@ -411,6 +414,10 @@ static void raise_exception(struct fsg_common *common, enum fsg_state new_state) spin_unlock_irqrestore(&common->lock, flags); } +static void raise_exception(struct fsg_common *common, enum fsg_state new_state) +{ + __raise_exception(common, new_state, NULL); +} /*-------------------------------------------------------------------------*/ @@ -2285,16 +2292,16 @@ reset: static int fsg_set_alt(struct usb_function *f, unsigned intf, unsigned alt) { struct fsg_dev *fsg = fsg_from_func(f); - fsg->common->new_fsg = fsg; - raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE); + + __raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE, fsg); return USB_GADGET_DELAYED_STATUS; } static void fsg_disable(struct usb_function *f) { struct fsg_dev *fsg = fsg_from_func(f); - fsg->common->new_fsg = NULL; - raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE); + + __raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE, NULL); } @@ -2307,6 +2314,7 @@ static void handle_exception(struct fsg_common *common) enum fsg_state old_state; struct fsg_lun *curlun; unsigned int exception_req_tag; + struct fsg_dev *new_fsg; /* * Clear the existing signals. Anything but SIGUSR1 is converted @@ -2360,6 +2368,7 @@ static void handle_exception(struct fsg_common *common) common->next_buffhd_to_fill = &common->buffhds[0]; common->next_buffhd_to_drain = &common->buffhds[0]; exception_req_tag = common->exception_req_tag; + new_fsg = common->exception_arg; old_state = common->state; common->state = FSG_STATE_NORMAL; @@ -2413,8 +2422,8 @@ static void handle_exception(struct fsg_common *common) break; case FSG_STATE_CONFIG_CHANGE: - do_set_interface(common, common->new_fsg); - if (common->new_fsg) + do_set_interface(common, new_fsg); + if (new_fsg) usb_composite_setup_continue(common->cdev); break; @@ -2989,8 +2998,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f) DBG(fsg, "unbind\n"); if (fsg->common->fsg == fsg) { - fsg->common->new_fsg = NULL; - raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE); + __raise_exception(fsg->common, FSG_STATE_CONFIG_CHANGE, NULL); /* FIXME: make interruptible or killable somehow? */ wait_event(common->fsg_wait, common->fsg != fsg); } diff --git a/drivers/usb/gadget/udc/Kconfig b/drivers/usb/gadget/udc/Kconfig index ef0259a950ba..d7e611645533 100644 --- a/drivers/usb/gadget/udc/Kconfig +++ b/drivers/usb/gadget/udc/Kconfig @@ -45,7 +45,8 @@ config USB_AT91 config USB_LPC32XX tristate "LPC32XX USB Peripheral Controller" - depends on ARCH_LPC32XX && I2C + depends on ARCH_LPC32XX + depends on I2C select USB_ISP1301 help This option selects the USB device controller in the LPC32xx SoC. diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index 5f1b14f3e5a0..c65aed3e84c7 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/platform_device.h> +#include <linux/prefetch.h> #include <linux/proc_fs.h> #include <linux/slab.h> #include <linux/usb/ch9.h> @@ -35,8 +36,6 @@ #include <linux/seq_file.h> #endif -#include <mach/hardware.h> - /* * USB device configuration structure */ @@ -2265,7 +2264,7 @@ static void udc_handle_ep0_setup(struct lpc32xx_udc *udc) default: break; } - + break; case USB_REQ_SET_ADDRESS: if (reqtype == (USB_TYPE_STANDARD | USB_RECIP_DEVICE)) { diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 87062d22134d..1f4c3fbd1df8 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -19,6 +19,7 @@ #include <linux/pm_runtime.h> #include <linux/sizes.h> #include <linux/slab.h> +#include <linux/string.h> #include <linux/sys_soc.h> #include <linux/uaccess.h> #include <linux/usb/ch9.h> @@ -2450,9 +2451,9 @@ static ssize_t role_store(struct device *dev, struct device_attribute *attr, if (usb3->forced_b_device) return -EBUSY; - if (!strncmp(buf, "host", strlen("host"))) + if (sysfs_streq(buf, "host")) new_mode_is_host = true; - else if (!strncmp(buf, "peripheral", strlen("peripheral"))) + else if (sysfs_streq(buf, "peripheral")) new_mode_is_host = false; else return -EINVAL; diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 40b5de597112..73d233d3bf4d 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -441,7 +441,8 @@ config USB_OHCI_HCD_S3C2410 config USB_OHCI_HCD_LPC32XX tristate "Support for LPC on-chip OHCI USB controller" - depends on USB_OHCI_HCD && ARCH_LPC32XX + depends on USB_OHCI_HCD + depends on ARCH_LPC32XX || COMPILE_TEST depends on USB_ISP1301 default y ---help--- diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 77cc36efae95..0dbfa5c10703 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1629,6 +1629,10 @@ static int fotg210_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, /* see what we found out */ temp = check_reset_complete(fotg210, wIndex, status_reg, fotg210_readl(fotg210, status_reg)); + + /* restart schedule */ + fotg210->command |= CMD_RUN; + fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); } if (!(temp & (PORT_RESUME|PORT_RESET))) { diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index b457fdaff297..1fe3deec35cf 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -419,8 +419,7 @@ static void ohci_usb_reset (struct ohci_hcd *ohci) * other cases where the next software may expect clean state from the * "firmware". this is bus-neutral, unlike shutdown() methods. */ -static void -ohci_shutdown (struct usb_hcd *hcd) +static void _ohci_shutdown(struct usb_hcd *hcd) { struct ohci_hcd *ohci; @@ -436,6 +435,16 @@ ohci_shutdown (struct usb_hcd *hcd) ohci->rh_state = OHCI_RH_HALTED; } +static void ohci_shutdown(struct usb_hcd *hcd) +{ + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + unsigned long flags; + + spin_lock_irqsave(&ohci->lock, flags); + _ohci_shutdown(hcd); + spin_unlock_irqrestore(&ohci->lock, flags); +} + /*-------------------------------------------------------------------------* * HC functions *-------------------------------------------------------------------------*/ @@ -760,7 +769,7 @@ static void io_watchdog_func(struct timer_list *t) died: usb_hc_died(ohci_to_hcd(ohci)); ohci_dump(ohci); - ohci_shutdown(ohci_to_hcd(ohci)); + _ohci_shutdown(ohci_to_hcd(ohci)); goto done; } else { /* No write back because the done queue was empty */ diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index f5f532601092..c561881d0e79 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -29,10 +29,7 @@ #include "ohci.h" -#include <mach/hardware.h> - #define USB_CONFIG_BASE 0x31020000 -#define USB_OTG_STAT_CONTROL IO_ADDRESS(USB_CONFIG_BASE + 0x110) /* USB_OTG_STAT_CONTROL bit defines */ #define TRANSPARENT_I2C_EN (1 << 7) @@ -122,19 +119,33 @@ static inline void isp1301_vbus_off(void) static void ohci_nxp_start_hc(void) { - unsigned long tmp = __raw_readl(USB_OTG_STAT_CONTROL) | HOST_EN; + void __iomem *usb_otg_stat_control = ioremap(USB_CONFIG_BASE + 0x110, 4); + unsigned long tmp; + + if (WARN_ON(!usb_otg_stat_control)) + return; + + tmp = __raw_readl(usb_otg_stat_control) | HOST_EN; - __raw_writel(tmp, USB_OTG_STAT_CONTROL); + __raw_writel(tmp, usb_otg_stat_control); isp1301_vbus_on(); + + iounmap(usb_otg_stat_control); } static void ohci_nxp_stop_hc(void) { + void __iomem *usb_otg_stat_control = ioremap(USB_CONFIG_BASE + 0x110, 4); unsigned long tmp; + if (WARN_ON(!usb_otg_stat_control)) + return; + isp1301_vbus_off(); - tmp = __raw_readl(USB_OTG_STAT_CONTROL) & ~HOST_EN; - __raw_writel(tmp, USB_OTG_STAT_CONTROL); + tmp = __raw_readl(usb_otg_stat_control) & ~HOST_EN; + __raw_writel(tmp, usb_otg_stat_control); + + iounmap(usb_otg_stat_control); } static int ohci_hcd_nxp_probe(struct platform_device *pdev) diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 8616c52849c6..2b0ccd150209 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -104,7 +104,7 @@ static int xhci_rcar_is_gen2(struct device *dev) return of_device_is_compatible(node, "renesas,xhci-r8a7790") || of_device_is_compatible(node, "renesas,xhci-r8a7791") || of_device_is_compatible(node, "renesas,xhci-r8a7793") || - of_device_is_compatible(node, "renensas,rcar-gen2-xhci"); + of_device_is_compatible(node, "renesas,rcar-gen2-xhci"); } static int xhci_rcar_is_gen3(struct device *dev) diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c index dafc65911fc0..2ff7c911fbd0 100644 --- a/drivers/usb/host/xhci-tegra.c +++ b/drivers/usb/host/xhci-tegra.c @@ -1194,6 +1194,16 @@ static int tegra_xusb_probe(struct platform_device *pdev) tegra_xusb_config(tegra, regs); + /* + * The XUSB Falcon microcontroller can only address 40 bits, so set + * the DMA mask accordingly. + */ + err = dma_set_mask_and_coherent(tegra->dev, DMA_BIT_MASK(40)); + if (err < 0) { + dev_err(&pdev->dev, "failed to set DMA mask: %d\n", err); + goto put_rpm; + } + err = tegra_xusb_load_firmware(tegra); if (err < 0) { dev_err(&pdev->dev, "failed to load firmware: %d\n", err); diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c b/drivers/usb/roles/intel-xhci-usb-role-switch.c index 277de96181f9..7325a84dd1c8 100644 --- a/drivers/usb/roles/intel-xhci-usb-role-switch.c +++ b/drivers/usb/roles/intel-xhci-usb-role-switch.c @@ -39,6 +39,10 @@ struct intel_xhci_usb_data { void __iomem *base; }; +static const struct software_node intel_xhci_usb_node = { + "intel-xhci-usb-sw", +}; + static int intel_xhci_usb_set_role(struct device *dev, enum usb_role role) { struct intel_xhci_usb_data *data = dev_get_drvdata(dev); @@ -122,17 +126,13 @@ static enum usb_role intel_xhci_usb_get_role(struct device *dev) return role; } -static const struct usb_role_switch_desc sw_desc = { - .set = intel_xhci_usb_set_role, - .get = intel_xhci_usb_get_role, - .allow_userspace_control = true, -}; - static int intel_xhci_usb_probe(struct platform_device *pdev) { + struct usb_role_switch_desc sw_desc = { }; struct device *dev = &pdev->dev; struct intel_xhci_usb_data *data; struct resource *res; + int ret; data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) @@ -147,9 +147,20 @@ static int intel_xhci_usb_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); + ret = software_node_register(&intel_xhci_usb_node); + if (ret) + return ret; + + sw_desc.set = intel_xhci_usb_set_role, + sw_desc.get = intel_xhci_usb_get_role, + sw_desc.allow_userspace_control = true, + sw_desc.fwnode = software_node_fwnode(&intel_xhci_usb_node); + data->role_sw = usb_role_switch_register(dev, &sw_desc); - if (IS_ERR(data->role_sw)) + if (IS_ERR(data->role_sw)) { + fwnode_handle_put(sw_desc.fwnode); return PTR_ERR(data->role_sw); + } pm_runtime_set_active(dev); pm_runtime_enable(dev); @@ -164,6 +175,8 @@ static int intel_xhci_usb_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); usb_role_switch_unregister(data->role_sw); + fwnode_handle_put(software_node_fwnode(&intel_xhci_usb_node)); + return 0; } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index c1582fbd1150..38e920ac7f82 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -968,6 +968,11 @@ static const struct usb_device_id option_ids[] = { { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7B) }, { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0xff, 0x06, 0x7C) }, + /* Motorola devices */ + { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x2a70, 0xff, 0xff, 0xff) }, /* mdm6600 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x2e0a, 0xff, 0xff, 0xff) }, /* mdm9600 */ + { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x4281, 0x0a, 0x00, 0xfc) }, /* mdm ram dl */ + { USB_DEVICE_AND_INTERFACE_INFO(0x22b8, 0x900e, 0xff, 0xff, 0xff) }, /* mdm qc dl */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, @@ -1549,6 +1554,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G v2 */ .driver_info = RSVD(2) }, { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) }, /* GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */ + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1481, 0xff, 0x00, 0x00) }, /* ZTE MF871A */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) }, @@ -1952,11 +1958,15 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */ .driver_info = RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e3d, 0xff), /* D-Link DWM-222 A2 */ + .driver_info = RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2031, 0xff), /* Olicard 600 */ .driver_info = RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x2060, 0xff), /* BroadMobi BM818 */ + .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index cc794e25a0b6..1d9ce9cbc831 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -38,7 +38,7 @@ MODULE_LICENSE("GPL"); static int auto_delink_en = 1; module_param(auto_delink_en, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(auto_delink_en, "enable auto delink"); +MODULE_PARM_DESC(auto_delink_en, "auto delink mode (0=firmware, 1=software [default])"); #ifdef CONFIG_REALTEK_AUTOPM static int ss_en = 1; @@ -996,12 +996,15 @@ static int init_realtek_cr(struct us_data *us) goto INIT_FAIL; } - if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || - CHECK_FW_VER(chip, 0x5901)) - SET_AUTO_DELINK(chip); - if (STATUS_LEN(chip) == 16) { - if (SUPPORT_AUTO_DELINK(chip)) + if (CHECK_PID(chip, 0x0138) || CHECK_PID(chip, 0x0158) || + CHECK_PID(chip, 0x0159)) { + if (CHECK_FW_VER(chip, 0x5888) || CHECK_FW_VER(chip, 0x5889) || + CHECK_FW_VER(chip, 0x5901)) SET_AUTO_DELINK(chip); + if (STATUS_LEN(chip) == 16) { + if (SUPPORT_AUTO_DELINK(chip)) + SET_AUTO_DELINK(chip); + } } #ifdef CONFIG_REALTEK_AUTOPM if (ss_en) diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index ea0d27a94afe..1cd9b6305b06 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2100,7 +2100,7 @@ UNUSUAL_DEV( 0x14cd, 0x6600, 0x0201, 0x0201, US_FL_IGNORE_RESIDUE ), /* Reported by Michael Büsch <m@bues.ch> */ -UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0116, +UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0117, "JMicron", "USB to ATA/ATAPI Bridge", USB_SC_DEVICE, USB_PR_DEVICE, NULL, diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 15abe1d9958f..bcfdb55fd198 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -1446,7 +1446,7 @@ static enum pdo_err tcpm_caps_err(struct tcpm_port *port, const u32 *pdo, else if ((pdo_min_voltage(pdo[i]) == pdo_min_voltage(pdo[i - 1])) && (pdo_max_voltage(pdo[i]) == - pdo_min_voltage(pdo[i - 1]))) + pdo_max_voltage(pdo[i - 1]))) return PDO_ERR_DUPE_PDO; break; /* |