diff options
Diffstat (limited to 'drivers/usb')
114 files changed, 1238 insertions, 1107 deletions
diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index a2ae88dbda78..57f3c4bcd598 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -2167,10 +2167,11 @@ resubmit: /* * Start the modem : init the data and start kernel thread */ -static int uea_boot(struct uea_softc *sc) +static int uea_boot(struct uea_softc *sc, struct usb_interface *intf) { - int ret, size; struct intr_pkt *intr; + int ret = -ENOMEM; + int size; uea_enters(INS_TO_USBDEV(sc)); @@ -2195,6 +2196,11 @@ static int uea_boot(struct uea_softc *sc) if (UEA_CHIP_VERSION(sc) == ADI930) load_XILINX_firmware(sc); + if (intf->cur_altsetting->desc.bNumEndpoints < 1) { + ret = -ENODEV; + goto err0; + } + intr = kmalloc(size, GFP_KERNEL); if (!intr) { uea_err(INS_TO_USBDEV(sc), @@ -2211,8 +2217,7 @@ static int uea_boot(struct uea_softc *sc) usb_fill_int_urb(sc->urb_int, sc->usb_dev, usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE), intr, size, uea_intr, sc, - sc->usb_dev->actconfig->interface[0]->altsetting[0]. - endpoint[0].desc.bInterval); + intf->cur_altsetting->endpoint[0].desc.bInterval); ret = usb_submit_urb(sc->urb_int, GFP_KERNEL); if (ret < 0) { @@ -2227,6 +2232,7 @@ static int uea_boot(struct uea_softc *sc) sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm"); if (IS_ERR(sc->kthread)) { uea_err(INS_TO_USBDEV(sc), "failed to create thread\n"); + ret = PTR_ERR(sc->kthread); goto err2; } @@ -2241,7 +2247,7 @@ err1: kfree(intr); err0: uea_leaves(INS_TO_USBDEV(sc)); - return -ENOMEM; + return ret; } /* @@ -2604,7 +2610,7 @@ static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf, if (ret < 0) goto error; - ret = uea_boot(sc); + ret = uea_boot(sc, intf); if (ret < 0) goto error_rm_grp; diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 23d9d3eef3d1..6d62ad74e46b 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -947,8 +947,15 @@ static int ci_hdrc_probe(struct platform_device *pdev) } else if (ci->platdata->usb_phy) { ci->usb_phy = ci->platdata->usb_phy; } else { + ci->usb_phy = devm_usb_get_phy_by_phandle(dev->parent, "phys", + 0); ci->phy = devm_phy_get(dev->parent, "usb-phy"); - ci->usb_phy = devm_usb_get_phy(dev->parent, USB_PHY_TYPE_USB2); + + /* Fallback to grabbing any registered USB2 PHY */ + if (IS_ERR(ci->usb_phy) && + PTR_ERR(ci->usb_phy) != -EPROBE_DEFER) + ci->usb_phy = devm_usb_get_phy(dev->parent, + USB_PHY_TYPE_USB2); /* if both generic PHY and USB PHY layers aren't enabled */ if (PTR_ERR(ci->phy) == -ENOSYS && diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 3d24304405b3..496788584034 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -37,6 +37,7 @@ static int (*orig_bus_suspend)(struct usb_hcd *hcd); struct ehci_ci_priv { struct regulator *reg_vbus; + bool enabled; }; static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) @@ -48,7 +49,7 @@ static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) int ret = 0; int port = HCS_N_PORTS(ehci->hcs_params); - if (priv->reg_vbus) { + if (priv->reg_vbus && enable != priv->enabled) { if (port > 1) { dev_warn(dev, "Not support multi-port regulator control\n"); @@ -64,6 +65,7 @@ static int ehci_ci_portpower(struct usb_hcd *hcd, int portnum, bool enable) enable ? "enable" : "disable", ret); return ret; } + priv->enabled = enable; } if (enable && (ci->platdata->phy_mode == USBPHY_INTERFACE_MODE_HSIC)) { diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index 10236fe71522..8bf4032226ed 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -206,14 +206,17 @@ static void ci_otg_work(struct work_struct *work) } pm_runtime_get_sync(ci->dev); + if (ci->id_event) { ci->id_event = false; ci_handle_id_switch(ci); - } else if (ci->b_sess_valid_event) { + } + + if (ci->b_sess_valid_event) { ci->b_sess_valid_event = false; ci_handle_vbus_change(ci); - } else - dev_err(ci->dev, "unexpected event occurs at %s\n", __func__); + } + pm_runtime_put_sync(ci->dev); enable_irq(ci->irq); diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index aff086ca97e4..6b06efcfd4b2 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1614,6 +1614,25 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) static int ci_udc_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver); static int ci_udc_stop(struct usb_gadget *gadget); + +/* Match ISOC IN from the highest endpoint */ +static struct usb_ep *ci_udc_match_ep(struct usb_gadget *gadget, + struct usb_endpoint_descriptor *desc, + struct usb_ss_ep_comp_descriptor *comp_desc) +{ + struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); + struct usb_ep *ep; + + if (usb_endpoint_xfer_isoc(desc) && usb_endpoint_dir_in(desc)) { + list_for_each_entry_reverse(ep, &ci->gadget.ep_list, ep_list) { + if (ep->caps.dir_in && !ep->claimed) + return ep; + } + } + + return NULL; +} + /** * Device operations part of the API to the USB controller hardware, * which don't involve endpoints (or i/o) @@ -1627,6 +1646,7 @@ static const struct usb_gadget_ops usb_gadget_ops = { .vbus_draw = ci_udc_vbus_draw, .udc_start = ci_udc_start, .udc_stop = ci_udc_stop, + .match_ep = ci_udc_match_ep, }; static int init_eps(struct ci_hdrc *ci) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 736de1021d8b..1930a8ec4b67 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1319,13 +1319,6 @@ made_compressed_probe: if (acm == NULL) goto alloc_fail; - minor = acm_alloc_minor(acm); - if (minor < 0) { - dev_err(&intf->dev, "no more free acm devices\n"); - kfree(acm); - return -ENODEV; - } - ctrlsize = usb_endpoint_maxp(epctrl); readsize = usb_endpoint_maxp(epread) * (quirks == SINGLE_RX_URB ? 1 : 2); @@ -1333,6 +1326,16 @@ 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) { + dev_err(&intf->dev, "no more free acm devices\n"); + kfree(acm); + return -ENODEV; + } + acm->minor = minor; acm->dev = usb_dev; acm->ctrl_caps = ac_management_function; @@ -1474,7 +1477,6 @@ 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 61ea87917433..1a1d1cfc3704 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -577,10 +577,20 @@ 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); @@ -968,8 +978,6 @@ 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); @@ -1090,7 +1098,7 @@ static int wdm_post_reset(struct usb_interface *intf) rv = recover_from_urb_loss(desc); mutex_unlock(&desc->wlock); mutex_unlock(&desc->rlock); - return 0; + return rv; } static struct usb_driver wdm_driver = { diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 071964c7847f..07c3c3449147 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -458,6 +458,7 @@ static void usblp_cleanup(struct usblp *usblp) kfree(usblp->readbuf); kfree(usblp->device_id_string); kfree(usblp->statusbuf); + usb_put_intf(usblp->intf); kfree(usblp); } @@ -474,10 +475,12 @@ static int usblp_release(struct inode *inode, struct file *file) mutex_lock(&usblp_mutex); usblp->used = 0; - if (usblp->present) { + if (usblp->present) usblp_unlink_urbs(usblp); - usb_autopm_put_interface(usblp->intf); - } else /* finish cleanup from disconnect */ + + usb_autopm_put_interface(usblp->intf); + + if (!usblp->present) /* finish cleanup from disconnect */ usblp_cleanup(usblp); mutex_unlock(&usblp_mutex); return 0; @@ -1118,7 +1121,7 @@ static int usblp_probe(struct usb_interface *intf, init_waitqueue_head(&usblp->wwait); init_usb_anchor(&usblp->urbs); usblp->ifnum = intf->cur_altsetting->desc.bInterfaceNumber; - usblp->intf = intf; + usblp->intf = usb_get_intf(intf); /* Malloc device ID string buffer to the largest expected length, * since we can re-query it on an ioctl and a dynamic string @@ -1207,6 +1210,7 @@ abort: kfree(usblp->readbuf); kfree(usblp->statusbuf); kfree(usblp->device_id_string); + usb_put_intf(usblp->intf); kfree(usblp); abort_ret: return retval; diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 6a287c81a7be..570a76d91250 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -169,9 +169,58 @@ static const unsigned short super_speed_maxpacket_maxes[4] = { [USB_ENDPOINT_XFER_INT] = 1024, }; -static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, - int asnum, struct usb_host_interface *ifp, int num_ep, - unsigned char *buffer, int size) +static bool endpoint_is_duplicate(struct usb_endpoint_descriptor *e1, + struct usb_endpoint_descriptor *e2) +{ + if (e1->bEndpointAddress == e2->bEndpointAddress) + return true; + + if (usb_endpoint_xfer_control(e1) || usb_endpoint_xfer_control(e2)) { + if (usb_endpoint_num(e1) == usb_endpoint_num(e2)) + return true; + } + + return false; +} + +/* + * Check for duplicate endpoint addresses in other interfaces and in the + * altsetting currently being parsed. + */ +static bool config_endpoint_is_duplicate(struct usb_host_config *config, + int inum, int asnum, struct usb_endpoint_descriptor *d) +{ + struct usb_endpoint_descriptor *epd; + struct usb_interface_cache *intfc; + struct usb_host_interface *alt; + int i, j, k; + + for (i = 0; i < config->desc.bNumInterfaces; ++i) { + intfc = config->intf_cache[i]; + + for (j = 0; j < intfc->num_altsetting; ++j) { + alt = &intfc->altsetting[j]; + + if (alt->desc.bInterfaceNumber == inum && + alt->desc.bAlternateSetting != asnum) + continue; + + for (k = 0; k < alt->desc.bNumEndpoints; ++k) { + epd = &alt->endpoint[k].desc; + + if (endpoint_is_duplicate(epd, d)) + return true; + } + } + } + + return false; +} + +static int usb_parse_endpoint(struct device *ddev, int cfgno, + struct usb_host_config *config, int inum, int asnum, + struct usb_host_interface *ifp, int num_ep, + unsigned char *buffer, int size) { unsigned char *buffer0 = buffer; struct usb_endpoint_descriptor *d; @@ -208,13 +257,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, goto skip_to_next_endpoint_or_interface_descriptor; /* Check for duplicate endpoint addresses */ - for (i = 0; i < ifp->desc.bNumEndpoints; ++i) { - if (ifp->endpoint[i].desc.bEndpointAddress == - d->bEndpointAddress) { - dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n", - cfgno, inum, asnum, d->bEndpointAddress); - goto skip_to_next_endpoint_or_interface_descriptor; - } + if (config_endpoint_is_duplicate(config, inum, asnum, d)) { + dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n", + cfgno, inum, asnum, d->bEndpointAddress); + goto skip_to_next_endpoint_or_interface_descriptor; } endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints]; @@ -312,8 +358,17 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, endpoint->desc.wMaxPacketSize = cpu_to_le16(8); } - /* Validate the wMaxPacketSize field */ + /* + * Validate the wMaxPacketSize field. + * Some devices have isochronous endpoints in altsetting 0; + * the USB-2 spec requires such endpoints to have wMaxPacketSize = 0 + * (see the end of section 5.6.3), so don't warn about them. + */ maxp = usb_endpoint_maxp(&endpoint->desc); + if (maxp == 0 && !(usb_endpoint_xfer_isoc(d) && asnum == 0)) { + dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid wMaxPacketSize 0\n", + cfgno, inum, asnum, d->bEndpointAddress); + } /* Find the highest legal maxpacket size for this endpoint */ i = 0; /* additional transactions per microframe */ @@ -483,8 +538,8 @@ static int usb_parse_interface(struct device *ddev, int cfgno, if (((struct usb_descriptor_header *) buffer)->bDescriptorType == USB_DT_INTERFACE) break; - retval = usb_parse_endpoint(ddev, cfgno, inum, asnum, alt, - num_ep, buffer, size); + retval = usb_parse_endpoint(ddev, cfgno, config, inum, asnum, + alt, num_ep, buffer, size); if (retval < 0) return retval; ++n; @@ -891,7 +946,7 @@ int usb_get_bos_descriptor(struct usb_device *dev) struct usb_bos_descriptor *bos; struct usb_dev_cap_header *cap; struct usb_ssp_cap_descriptor *ssp_cap; - unsigned char *buffer; + unsigned char *buffer, *buffer0; int length, total_len, num, i, ssac; __u8 cap_type; int ret; @@ -902,8 +957,8 @@ int usb_get_bos_descriptor(struct usb_device *dev) /* Get BOS descriptor */ ret = usb_get_descriptor(dev, USB_DT_BOS, 0, bos, USB_DT_BOS_SIZE); - if (ret < USB_DT_BOS_SIZE) { - dev_err(ddev, "unable to get BOS descriptor\n"); + if (ret < USB_DT_BOS_SIZE || bos->bLength < USB_DT_BOS_SIZE) { + dev_err(ddev, "unable to get BOS descriptor or descriptor too short\n"); if (ret >= 0) ret = -ENOMSG; kfree(bos); @@ -936,10 +991,12 @@ int usb_get_bos_descriptor(struct usb_device *dev) ret = -ENOMSG; goto err; } + + buffer0 = buffer; total_len -= length; + buffer += length; for (i = 0; i < num; i++) { - buffer += length; cap = (struct usb_dev_cap_header *)buffer; if (total_len < sizeof(*cap) || total_len < cap->bLength) { @@ -953,8 +1010,6 @@ int usb_get_bos_descriptor(struct usb_device *dev) break; } - total_len -= length; - if (cap->bDescriptorType != USB_DT_DEVICE_CAPABILITY) { dev_warn(ddev, "descriptor type invalid, skip\n"); continue; @@ -989,7 +1044,11 @@ int usb_get_bos_descriptor(struct usb_device *dev) default: break; } + + total_len -= length; + buffer += length; } + dev->bos->desc->wTotalLength = cpu_to_le16(buffer - buffer0); return 0; diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index e9d6cf146fcc..654199c6a36c 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -470,11 +470,6 @@ static int usb_unbind_interface(struct device *dev) pm_runtime_disable(dev); pm_runtime_set_suspended(dev); - /* Undo any residual pm_autopm_get_interface_* calls */ - for (r = atomic_read(&intf->pm_usage_cnt); r > 0; --r) - usb_autopm_put_interface_no_suspend(intf); - atomic_set(&intf->pm_usage_cnt, 0); - if (!error) usb_autosuspend_device(udev); @@ -1625,7 +1620,6 @@ void usb_autopm_put_interface(struct usb_interface *intf) int status; usb_mark_last_busy(udev); - atomic_dec(&intf->pm_usage_cnt); status = pm_runtime_put_sync(&intf->dev); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), @@ -1654,7 +1648,6 @@ void usb_autopm_put_interface_async(struct usb_interface *intf) int status; usb_mark_last_busy(udev); - atomic_dec(&intf->pm_usage_cnt); status = pm_runtime_put(&intf->dev); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), @@ -1676,7 +1669,6 @@ void usb_autopm_put_interface_no_suspend(struct usb_interface *intf) struct usb_device *udev = interface_to_usbdev(intf); usb_mark_last_busy(udev); - atomic_dec(&intf->pm_usage_cnt); pm_runtime_put_noidle(&intf->dev); } EXPORT_SYMBOL_GPL(usb_autopm_put_interface_no_suspend); @@ -1707,8 +1699,6 @@ int usb_autopm_get_interface(struct usb_interface *intf) status = pm_runtime_get_sync(&intf->dev); if (status < 0) pm_runtime_put_sync(&intf->dev); - else - atomic_inc(&intf->pm_usage_cnt); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), status); @@ -1742,8 +1732,6 @@ int usb_autopm_get_interface_async(struct usb_interface *intf) status = pm_runtime_get(&intf->dev); if (status < 0 && status != -EINPROGRESS) pm_runtime_put_noidle(&intf->dev); - else - atomic_inc(&intf->pm_usage_cnt); dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n", __func__, atomic_read(&intf->dev.power.usage_count), status); @@ -1767,7 +1755,6 @@ void usb_autopm_get_interface_no_resume(struct usb_interface *intf) struct usb_device *udev = interface_to_usbdev(intf); usb_mark_last_busy(udev); - atomic_inc(&intf->pm_usage_cnt); pm_runtime_get_noresume(&intf->dev); } EXPORT_SYMBOL_GPL(usb_autopm_get_interface_no_resume); @@ -1888,14 +1875,11 @@ int usb_runtime_idle(struct device *dev) return -EBUSY; } -int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) +static int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) { struct usb_hcd *hcd = bus_to_hcd(udev->bus); int ret = -EPERM; - if (enable && !udev->usb2_hw_lpm_allowed) - return 0; - if (hcd->driver->set_usb2_hw_lpm) { ret = hcd->driver->set_usb2_hw_lpm(hcd, udev, enable); if (!ret) @@ -1905,6 +1889,24 @@ int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) return ret; } +int usb_enable_usb2_hardware_lpm(struct usb_device *udev) +{ + if (!udev->usb2_hw_lpm_capable || + !udev->usb2_hw_lpm_allowed || + udev->usb2_hw_lpm_enabled) + return 0; + + return usb_set_usb2_hardware_lpm(udev, 1); +} + +int usb_disable_usb2_hardware_lpm(struct usb_device *udev) +{ + if (!udev->usb2_hw_lpm_enabled) + return 0; + + return usb_set_usb2_hardware_lpm(udev, 0); +} + #endif /* CONFIG_PM */ struct bus_type usb_bus_type = { diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index b3de806085f0..097977c0359f 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -191,9 +191,10 @@ 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); @@ -206,12 +207,11 @@ int usb_register_dev(struct usb_interface *intf, MKDEV(USB_MAJOR, minor), class_driver, "%s", temp); 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); @@ -237,12 +237,12 @@ 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.c b/drivers/usb/core/hcd.c index 9c4f9b6e57e2..99c146f4b6b5 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -3007,6 +3007,9 @@ usb_hcd_platform_shutdown(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); + /* No need for pm_runtime_put(), we're shutting down */ + pm_runtime_get_sync(&dev->dev); + if (hcd->driver->shutdown) hcd->driver->shutdown(hcd); } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 3a6978458d95..75a07b73a82b 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -102,6 +102,8 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem); static void hub_release(struct kref *kref); static int usb_reset_and_verify_device(struct usb_device *udev); static int hub_port_disable(struct usb_hub *hub, int port1, int set_state); +static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1, + u16 portstatus); static inline char *portspeed(struct usb_hub *hub, int portstatus) { @@ -1092,6 +1094,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) USB_PORT_FEAT_ENABLE); } + /* Make sure a warm-reset request is handled by port_event */ + if (type == HUB_RESUME && + hub_port_warm_reset_required(hub, port1, portstatus)) + set_bit(port1, hub->event_bits); + /* * Add debounce if USB3 link is in polling/link training state. * Link will automatically transition to Enabled state after @@ -1139,6 +1146,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) * PORT_OVER_CURRENT is not. So check for any of them. */ if (udev || (portstatus & USB_PORT_STAT_CONNECTION) || + (portchange & USB_PORT_STAT_C_CONNECTION) || (portstatus & USB_PORT_STAT_OVERCURRENT) || (portchange & USB_PORT_STAT_C_OVERCURRENT)) set_bit(port1, hub->change_bits); @@ -3116,8 +3124,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) } /* disable USB2 hardware LPM */ - if (udev->usb2_hw_lpm_enabled == 1) - usb_set_usb2_hardware_lpm(udev, 0); + usb_disable_usb2_hardware_lpm(udev); if (usb_disable_ltm(udev)) { dev_err(&udev->dev, "Failed to disable LTM before suspend\n."); @@ -3163,8 +3170,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) usb_enable_ltm(udev); err_ltm: /* Try to enable USB2 hardware LPM again */ - if (udev->usb2_hw_lpm_capable == 1) - usb_set_usb2_hardware_lpm(udev, 1); + usb_enable_usb2_hardware_lpm(udev); if (udev->do_remote_wakeup) (void) usb_disable_remote_wakeup(udev); @@ -3443,8 +3449,7 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg) hub_port_logical_disconnect(hub, port1); } else { /* Try to enable USB2 hardware LPM */ - if (udev->usb2_hw_lpm_capable == 1) - usb_set_usb2_hardware_lpm(udev, 1); + usb_enable_usb2_hardware_lpm(udev); /* Try to enable USB3 LTM and LPM */ usb_enable_ltm(udev); @@ -3482,6 +3487,7 @@ static int hub_handle_remote_wakeup(struct usb_hub *hub, unsigned int port, struct usb_device *hdev; struct usb_device *udev; int connect_change = 0; + u16 link_state; int ret; hdev = hub->hdev; @@ -3491,9 +3497,11 @@ static int hub_handle_remote_wakeup(struct usb_hub *hub, unsigned int port, return 0; usb_clear_port_feature(hdev, port, USB_PORT_FEAT_C_SUSPEND); } else { + link_state = portstatus & USB_PORT_STAT_LINK_STATE; if (!udev || udev->state != USB_STATE_SUSPENDED || - (portstatus & USB_PORT_STAT_LINK_STATE) != - USB_SS_PORT_LS_U0) + (link_state != USB_SS_PORT_LS_U0 && + link_state != USB_SS_PORT_LS_U1 && + link_state != USB_SS_PORT_LS_U2)) return 0; } @@ -3823,6 +3831,9 @@ static int usb_set_lpm_timeout(struct usb_device *udev, * control transfers to set the hub timeout or enable device-initiated U1/U2 * will be successful. * + * If the control transfer to enable device-initiated U1/U2 entry fails, then + * hub-initiated U1/U2 will be disabled. + * * If we cannot set the parent hub U1/U2 timeout, we attempt to let the xHCI * driver know about it. If that call fails, it should be harmless, and just * take up more slightly more bus bandwidth for unnecessary U1/U2 exit latency. @@ -3877,23 +3888,24 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev, * host know that this link state won't be enabled. */ hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); - } else { - /* Only a configured device will accept the Set Feature - * U1/U2_ENABLE - */ - if (udev->actconfig) - usb_set_device_initiated_lpm(udev, state, true); + return; + } - /* As soon as usb_set_lpm_timeout(timeout) returns 0, the - * hub-initiated LPM is enabled. Thus, LPM is enabled no - * matter the result of usb_set_device_initiated_lpm(). - * The only difference is whether device is able to initiate - * LPM. - */ + /* Only a configured device will accept the Set Feature + * U1/U2_ENABLE + */ + if (udev->actconfig && + usb_set_device_initiated_lpm(udev, state, true) == 0) { if (state == USB3_LPM_U1) udev->usb3_lpm_u1_enabled = 1; else if (state == USB3_LPM_U2) udev->usb3_lpm_u2_enabled = 1; + } else { + /* Don't request U1/U2 entry if the device + * cannot transition to U1/U2. + */ + usb_set_lpm_timeout(udev, state, 0); + hcd->driver->disable_usb3_lpm_timeout(hcd, udev, state); } } @@ -4270,7 +4282,7 @@ static void hub_set_initial_usb2_lpm_policy(struct usb_device *udev) if ((udev->bos->ext_cap->bmAttributes & cpu_to_le32(USB_BESL_SUPPORT)) || connect_type == USB_PORT_CONNECT_TYPE_HARD_WIRED) { udev->usb2_hw_lpm_allowed = 1; - usb_set_usb2_hardware_lpm(udev, 1); + usb_enable_usb2_hardware_lpm(udev); } } @@ -5415,8 +5427,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev) /* Disable USB2 hardware LPM. * It will be re-enabled by the enumeration process. */ - if (udev->usb2_hw_lpm_enabled == 1) - usb_set_usb2_hardware_lpm(udev, 0); + usb_disable_usb2_hardware_lpm(udev); /* Disable LPM and LTM while we reset the device and reinstall the alt * settings. Device-initiated LPM settings, and system exit latency @@ -5526,7 +5537,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev) done: /* Now that the alt settings are re-installed, enable LTM and LPM. */ - usb_set_usb2_hardware_lpm(udev, 1); + usb_enable_usb2_hardware_lpm(udev); usb_unlocked_enable_lpm(udev); usb_enable_ltm(udev); usb_release_bos_descriptor(udev); @@ -5544,7 +5555,7 @@ re_enumerate_no_bos: /** * usb_reset_device - warn interface drivers and perform a USB port reset - * @udev: device to reset (not in SUSPENDED or NOTATTACHED state) + * @udev: device to reset (not in NOTATTACHED state) * * Warns all drivers bound to registered interfaces (using their pre_reset * method), performs the port reset, and then lets the drivers know that @@ -5572,8 +5583,7 @@ int usb_reset_device(struct usb_device *udev) struct usb_host_config *config = udev->actconfig; struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent); - if (udev->state == USB_STATE_NOTATTACHED || - udev->state == USB_STATE_SUSPENDED) { + if (udev->state == USB_STATE_NOTATTACHED) { dev_dbg(&udev->dev, "device reset not allowed in state %d\n", udev->state); return -EINVAL; @@ -5641,7 +5651,10 @@ int usb_reset_device(struct usb_device *udev) cintf->needs_binding = 1; } } - usb_unbind_and_rebind_marked_interfaces(udev); + + /* If the reset failed, hub_wq will unbind drivers later */ + if (ret == 0) + usb_unbind_and_rebind_marked_interfaces(udev); } usb_autosuspend_device(udev); diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 08cba309eb78..adc696a76b20 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -820,9 +820,11 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size) if (dev->state == USB_STATE_SUSPENDED) return -EHOSTUNREACH; - if (size <= 0 || !buf || !index) + if (size <= 0 || !buf) return -EINVAL; buf[0] = 0; + if (index <= 0 || index >= 256) + return -EINVAL; tbuf = kmalloc(256, GFP_NOIO); if (!tbuf) return -ENOMEM; @@ -1184,8 +1186,7 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0) dev->actconfig->interface[i] = NULL; } - if (dev->usb2_hw_lpm_enabled == 1) - usb_set_usb2_hardware_lpm(dev, 0); + usb_disable_usb2_hardware_lpm(dev); usb_unlocked_disable_lpm(dev); usb_disable_ltm(dev); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 733479ddf8a7..19e819aa2419 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -64,9 +64,15 @@ static const struct usb_device_id usb_quirk_list[] = { /* Microsoft LifeCam-VX700 v2.0 */ { USB_DEVICE(0x045e, 0x0770), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Microsoft Surface Dock Ethernet (RTL8153 GigE) */ + { USB_DEVICE(0x045e, 0x07c6), .driver_info = USB_QUIRK_NO_LPM }, + /* Cherry Stream G230 2.0 (G85-231) and 3.0 (G85-232) */ { USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech HD Webcam C270 */ + { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech HD Pro Webcams C920, C920-C, C925e and C930e */ { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x0841), .driver_info = USB_QUIRK_DELAY_INIT }, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 65b6e6b84043..6dc0f4e25cf3 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -472,7 +472,10 @@ static ssize_t usb2_hardware_lpm_store(struct device *dev, if (!ret) { udev->usb2_hw_lpm_allowed = value; - ret = usb_set_usb2_hardware_lpm(udev, value); + if (value) + ret = usb_enable_usb2_hardware_lpm(udev); + else + ret = usb_disable_usb2_hardware_lpm(udev); } usb_unlock_device(udev); diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index e43ef7d2d00e..d6fcead91b32 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -40,6 +40,7 @@ void usb_init_urb(struct urb *urb) if (urb) { memset(urb, 0, sizeof(*urb)); kref_init(&urb->kref); + INIT_LIST_HEAD(&urb->urb_list); INIT_LIST_HEAD(&urb->anchor_list); } } diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 53318126ed91..6b2f11544283 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -84,7 +84,8 @@ extern int usb_remote_wakeup(struct usb_device *dev); extern int usb_runtime_suspend(struct device *dev); extern int usb_runtime_resume(struct device *dev); extern int usb_runtime_idle(struct device *dev); -extern int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable); +extern int usb_enable_usb2_hardware_lpm(struct usb_device *udev); +extern int usb_disable_usb2_hardware_lpm(struct usb_device *udev); #else @@ -104,7 +105,12 @@ static inline int usb_autoresume_device(struct usb_device *udev) return 0; } -static inline int usb_set_usb2_hardware_lpm(struct usb_device *udev, int enable) +static inline int usb_enable_usb2_hardware_lpm(struct usb_device *udev) +{ + return 0; +} + +static inline int usb_disable_usb2_hardware_lpm(struct usb_device *udev) { return 0; } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 22b4797383cd..591bc3f7be76 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -801,6 +801,9 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc) /* do nothing */ break; } + + /* de-assert DRVVBUS for HOST and OTG mode */ + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); } #define DWC3_ALIGN_MASK (16 - 1) @@ -867,7 +870,7 @@ static int dwc3_probe(struct platform_device *pdev) dwc->regs_size = resource_size(res); /* default to highest possible threshold */ - lpm_nyet_threshold = 0xff; + lpm_nyet_threshold = 0xf; /* default to -3.5dB de-emphasis */ tx_de_emphasis = 1; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 557f08adf644..5e015631413c 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2894,6 +2894,9 @@ void dwc3_gadget_exit(struct dwc3 *dwc) int dwc3_gadget_suspend(struct dwc3 *dwc) { + if (!dwc->gadget_driver) + return 0; + if (dwc->pullups_connected) { dwc3_gadget_disable_irq(dwc); dwc3_gadget_run_stop(dwc, true, true); @@ -2912,6 +2915,9 @@ int dwc3_gadget_resume(struct dwc3 *dwc) struct dwc3_ep *dep; int ret; + if (!dwc->gadget_driver) + return 0; + /* Start with SuperSpeed Default */ dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 58f5fbdb6959..0f2d1e98481f 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1819,6 +1819,8 @@ unknown: break; case USB_RECIP_ENDPOINT: + if (!cdev->config) + break; endp = ((w_index & 0x80) >> 3) | (w_index & 0x0f); list_for_each_entry(f, &cdev->config->functions, list) { if (test_bit(endp, f->endpoints)) @@ -1887,6 +1889,7 @@ 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) @@ -2065,14 +2068,18 @@ void composite_dev_cleanup(struct usb_composite_dev *cdev) usb_ep_dequeue(cdev->gadget->ep0, cdev->os_desc_req); kfree(cdev->os_desc_req->buf); + cdev->os_desc_req->buf = NULL; usb_ep_free_request(cdev->gadget->ep0, cdev->os_desc_req); + cdev->os_desc_req = NULL; } if (cdev->req) { if (cdev->setup_pending) usb_ep_dequeue(cdev->gadget->ep0, cdev->req); kfree(cdev->req->buf); + cdev->req->buf = NULL; usb_ep_free_request(cdev->gadget->ep0, cdev->req); + cdev->req = NULL; } cdev->next_string_id = 0; device_remove_file(&cdev->gadget->dev, &dev_attr_suspended); diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 41f6f312add0..19b6fd81f1bc 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -62,6 +62,8 @@ struct gadget_info { bool use_os_desc; char b_vendor_code; char qw_sign[OS_STRING_QW_SIGN_LEN]; + spinlock_t spinlock; + bool unbind; }; static inline struct gadget_info *to_gadget_info(struct config_item *item) @@ -1250,6 +1252,7 @@ static int configfs_composite_bind(struct usb_gadget *gadget, int ret; /* the gi->lock is hold by the caller */ + gi->unbind = 0; cdev->gadget = gadget; set_gadget_data(gadget, cdev); ret = composite_dev_prepare(composite, cdev); @@ -1382,31 +1385,128 @@ static void configfs_composite_unbind(struct usb_gadget *gadget) { struct usb_composite_dev *cdev; struct gadget_info *gi; + unsigned long flags; /* the gi->lock is hold by the caller */ cdev = get_gadget_data(gadget); gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + gi->unbind = 1; + spin_unlock_irqrestore(&gi->spinlock, flags); kfree(otg_desc[0]); otg_desc[0] = NULL; purge_configs_funcs(gi); composite_dev_cleanup(cdev); usb_ep_autoconfig_reset(cdev->gadget); + spin_lock_irqsave(&gi->spinlock, flags); cdev->gadget = NULL; set_gadget_data(gadget, NULL); + spin_unlock_irqrestore(&gi->spinlock, flags); +} + +static int configfs_composite_setup(struct usb_gadget *gadget, + const struct usb_ctrlrequest *ctrl) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + int ret; + + cdev = get_gadget_data(gadget); + if (!cdev) + return 0; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return 0; + } + + ret = composite_setup(gadget, ctrl); + spin_unlock_irqrestore(&gi->spinlock, flags); + return ret; +} + +static void configfs_composite_disconnect(struct usb_gadget *gadget) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + + cdev = get_gadget_data(gadget); + if (!cdev) + return; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return; + } + + composite_disconnect(gadget); + spin_unlock_irqrestore(&gi->spinlock, flags); +} + +static void configfs_composite_suspend(struct usb_gadget *gadget) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + + cdev = get_gadget_data(gadget); + if (!cdev) + return; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return; + } + + composite_suspend(gadget); + spin_unlock_irqrestore(&gi->spinlock, flags); +} + +static void configfs_composite_resume(struct usb_gadget *gadget) +{ + struct usb_composite_dev *cdev; + struct gadget_info *gi; + unsigned long flags; + + cdev = get_gadget_data(gadget); + if (!cdev) + return; + + gi = container_of(cdev, struct gadget_info, cdev); + spin_lock_irqsave(&gi->spinlock, flags); + cdev = get_gadget_data(gadget); + if (!cdev || gi->unbind) { + spin_unlock_irqrestore(&gi->spinlock, flags); + return; + } + + composite_resume(gadget); + spin_unlock_irqrestore(&gi->spinlock, flags); } static const struct usb_gadget_driver configfs_driver_template = { .bind = configfs_composite_bind, .unbind = configfs_composite_unbind, - .setup = composite_setup, - .reset = composite_disconnect, - .disconnect = composite_disconnect, + .setup = configfs_composite_setup, + .reset = configfs_composite_disconnect, + .disconnect = configfs_composite_disconnect, - .suspend = composite_suspend, - .resume = composite_resume, + .suspend = configfs_composite_suspend, + .resume = configfs_composite_resume, .max_speed = USB_SPEED_SUPER, .driver = { @@ -1446,6 +1546,7 @@ static struct config_group *gadgets_make( gi->composite.resume = NULL; gi->composite.max_speed = USB_SPEED_SUPER; + spin_lock_init(&gi->spinlock); mutex_init(&gi->lock); INIT_LIST_HEAD(&gi->string_list); INIT_LIST_HEAD(&gi->available_func); @@ -1500,7 +1601,9 @@ void unregister_gadget_item(struct config_item *item) { struct gadget_info *gi = to_gadget_info(item); + mutex_lock(&gi->lock); unregister_gadget(gi); + mutex_unlock(&gi->lock); } EXPORT_SYMBOL_GPL(unregister_gadget_item); diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c index 7ad60ee41914..79b52dce6b9a 100644 --- a/drivers/usb/gadget/function/f_ecm.c +++ b/drivers/usb/gadget/function/f_ecm.c @@ -56,6 +56,7 @@ struct f_ecm { struct usb_ep *notify; struct usb_request *notify_req; u8 notify_state; + atomic_t notify_count; bool is_open; /* FIXME is_open needs some irq-ish locking @@ -384,7 +385,7 @@ static void ecm_do_notify(struct f_ecm *ecm) int status; /* notification already in flight? */ - if (!req) + if (atomic_read(&ecm->notify_count)) return; event = req->buf; @@ -424,10 +425,10 @@ static void ecm_do_notify(struct f_ecm *ecm) event->bmRequestType = 0xA1; event->wIndex = cpu_to_le16(ecm->ctrl_id); - ecm->notify_req = NULL; + atomic_inc(&ecm->notify_count); status = usb_ep_queue(ecm->notify, req, GFP_ATOMIC); if (status < 0) { - ecm->notify_req = req; + atomic_dec(&ecm->notify_count); DBG(cdev, "notify --> %d\n", status); } } @@ -452,17 +453,19 @@ static void ecm_notify_complete(struct usb_ep *ep, struct usb_request *req) switch (req->status) { case 0: /* no fault */ + atomic_dec(&ecm->notify_count); break; case -ECONNRESET: case -ESHUTDOWN: + atomic_set(&ecm->notify_count, 0); ecm->notify_state = ECM_NOTIFY_NONE; break; default: DBG(cdev, "event %02x --> %d\n", event->bNotificationType, req->status); + atomic_dec(&ecm->notify_count); break; } - ecm->notify_req = req; ecm_do_notify(ecm); } @@ -625,8 +628,12 @@ static void ecm_disable(struct usb_function *f) DBG(cdev, "ecm deactivated\n"); - if (ecm->port.in_ep->enabled) + if (ecm->port.in_ep->enabled) { gether_disconnect(&ecm->port); + } else { + ecm->port.in_ep->desc = NULL; + ecm->port.out_ep->desc = NULL; + } usb_ep_disable(ecm->notify); ecm->notify->desc = NULL; @@ -905,6 +912,11 @@ static void ecm_unbind(struct usb_configuration *c, struct usb_function *f) usb_free_all_descriptors(f); + if (atomic_read(&ecm->notify_count)) { + usb_ep_dequeue(ecm->notify, ecm->notify_req); + atomic_set(&ecm->notify_count, 0); + } + kfree(ecm->notify_req->buf); usb_ep_free_request(ecm->notify, ecm->notify_req); } diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 4800bb22cdd6..4cb1355271ec 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -912,11 +912,12 @@ static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from) ENTER(); if (!is_sync_kiocb(kiocb)) { - p = kmalloc(sizeof(io_data), GFP_KERNEL); + p = kzalloc(sizeof(io_data), GFP_KERNEL); if (unlikely(!p)) return -ENOMEM; p->aio = true; } else { + memset(p, 0, sizeof(*p)); p->aio = false; } @@ -948,11 +949,12 @@ static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to) ENTER(); if (!is_sync_kiocb(kiocb)) { - p = kmalloc(sizeof(io_data), GFP_KERNEL); + p = kzalloc(sizeof(io_data), GFP_KERNEL); if (unlikely(!p)) return -ENOMEM; p->aio = true; } else { + memset(p, 0, sizeof(*p)); p->aio = false; } diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 5ead414586a1..8232850f7b80 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -364,9 +364,11 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt) req->complete = f_midi_complete; err = usb_ep_queue(midi->out_ep, req, GFP_ATOMIC); if (err) { - ERROR(midi, "%s queue req: %d\n", + ERROR(midi, "%s: couldn't enqueue request: %d\n", midi->out_ep->name, err); - free_ep_req(midi->out_ep, req); + if (req->buf != NULL) + free_ep_req(midi->out_ep, req); + return err; } } diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 7ad798ace1e5..16908737bff1 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -57,6 +57,7 @@ struct f_ncm { struct usb_ep *notify; struct usb_request *notify_req; u8 notify_state; + atomic_t notify_count; bool is_open; const struct ndp_parser_opts *parser_opts; @@ -480,7 +481,7 @@ static void ncm_do_notify(struct f_ncm *ncm) int status; /* notification already in flight? */ - if (!req) + if (atomic_read(&ncm->notify_count)) return; event = req->buf; @@ -520,7 +521,8 @@ static void ncm_do_notify(struct f_ncm *ncm) event->bmRequestType = 0xA1; event->wIndex = cpu_to_le16(ncm->ctrl_id); - ncm->notify_req = NULL; + atomic_inc(&ncm->notify_count); + /* * In double buffering if there is a space in FIFO, * completion callback can be called right after the call, @@ -530,7 +532,7 @@ static void ncm_do_notify(struct f_ncm *ncm) status = usb_ep_queue(ncm->notify, req, GFP_ATOMIC); spin_lock(&ncm->lock); if (status < 0) { - ncm->notify_req = req; + atomic_dec(&ncm->notify_count); DBG(cdev, "notify --> %d\n", status); } } @@ -565,17 +567,19 @@ static void ncm_notify_complete(struct usb_ep *ep, struct usb_request *req) case 0: VDBG(cdev, "Notification %02x sent\n", event->bNotificationType); + atomic_dec(&ncm->notify_count); break; case -ECONNRESET: case -ESHUTDOWN: + atomic_set(&ncm->notify_count, 0); ncm->notify_state = NCM_NOTIFY_NONE; break; default: DBG(cdev, "event %02x --> %d\n", event->bNotificationType, req->status); + atomic_dec(&ncm->notify_count); break; } - ncm->notify_req = req; ncm_do_notify(ncm); spin_unlock(&ncm->lock); } @@ -1559,6 +1563,11 @@ static void ncm_unbind(struct usb_configuration *c, struct usb_function *f) ncm_string_defs[0].id = 0; usb_free_all_descriptors(f); + if (atomic_read(&ncm->notify_count)) { + usb_ep_dequeue(ncm->notify, ncm->notify_req); + atomic_set(&ncm->notify_count, 0); + } + kfree(ncm->notify_req->buf); usb_ep_free_request(ncm->notify, ncm->notify_req); } diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index e587767e374c..e281af92e084 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -619,6 +619,7 @@ static void rndis_disable(struct usb_function *f) gether_disconnect(&rndis->port); usb_ep_disable(rndis->notify); + rndis->notify->desc = NULL; } /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c index 70d3917cc003..2582db38d6a6 100644 --- a/drivers/usb/gadget/function/rndis.c +++ b/drivers/usb/gadget/function/rndis.c @@ -680,6 +680,12 @@ static int rndis_reset_response(struct rndis_params *params, { rndis_reset_cmplt_type *resp; rndis_resp_t *r; + u8 *xbuf; + u32 length; + + /* drain the response queue */ + while ((xbuf = rndis_get_next_response(params, &length))) + rndis_free_response(params, xbuf); r = rndis_add_response(params, sizeof(rndis_reset_cmplt_type)); if (!r) diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index 7413f89660f7..e69f20b2a3f4 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -207,11 +207,12 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) out = dev->port_usb->out_ep; else out = NULL; - spin_unlock_irqrestore(&dev->lock, flags); if (!out) + { + spin_unlock_irqrestore(&dev->lock, flags); return -ENOTCONN; - + } /* Padding up to RX_EXTRA handles minor disagreements with host. * Normally we use the USB "terminate on short read" convention; @@ -232,6 +233,7 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) if (dev->port_usb->is_fixed) size = max_t(size_t, size, dev->port_usb->fixed_out_len); + spin_unlock_irqrestore(&dev->lock, flags); skb = alloc_skb(size + NET_IP_ALIGN, gfp_flags); if (skb == NULL) { diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 4ea44f7122ee..31e08bb3cb41 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -361,10 +361,15 @@ __acquires(&port->port_lock) */ { struct list_head *pool = &port->write_pool; - struct usb_ep *in = port->port_usb->in; + struct usb_ep *in; int status = 0; bool do_tty_wake = false; + if (!port->port_usb) + return status; + + in = port->port_usb->in; + while (!port->write_busy && !list_empty(pool)) { struct usb_request *req; int len; @@ -1132,8 +1137,10 @@ int gserial_alloc_line(unsigned char *line_num) __func__, port_num, PTR_ERR(tty_dev)); ret = PTR_ERR(tty_dev); + mutex_lock(&ports[port_num].lock); port = ports[port_num].port; ports[port_num].port = NULL; + mutex_unlock(&ports[port_num].lock); gserial_free_port(port); goto err; } diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c index 01656f1c6d65..a49ff1f5c0f9 100644 --- a/drivers/usb/gadget/function/uvc_configfs.c +++ b/drivers/usb/gadget/function/uvc_configfs.c @@ -564,6 +564,7 @@ static int uvcg_control_class_allow_link(struct config_item *src, unlock: mutex_unlock(&opts->lock); out: + config_item_put(header); mutex_unlock(su_mutex); return ret; } @@ -605,6 +606,7 @@ static int uvcg_control_class_drop_link(struct config_item *src, unlock: mutex_unlock(&opts->lock); out: + config_item_put(header); mutex_unlock(su_mutex); return ret; } @@ -805,6 +807,7 @@ static int uvcg_streaming_header_allow_link(struct config_item *src, format_ptr->fmt = target_fmt; list_add_tail(&format_ptr->entry, &src_hdr->formats); ++src_hdr->num_fmt; + ++target_fmt->linked; out: mutex_unlock(&opts->lock); @@ -843,6 +846,8 @@ static int uvcg_streaming_header_drop_link(struct config_item *src, break; } + --target_fmt->linked; + out: mutex_unlock(&opts->lock); mutex_unlock(su_mutex); @@ -2087,6 +2092,7 @@ static int uvcg_streaming_class_allow_link(struct config_item *src, unlock: mutex_unlock(&opts->lock); out: + config_item_put(header); mutex_unlock(su_mutex); return ret; } @@ -2131,6 +2137,7 @@ static int uvcg_streaming_class_drop_link(struct config_item *src, unlock: mutex_unlock(&opts->lock); out: + config_item_put(header); mutex_unlock(su_mutex); return ret; } diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index 0f01c04d7cbd..d6bab12b0b47 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -129,6 +129,21 @@ uvc_video_encode_isoc(struct usb_request *req, struct uvc_video *video, * Request handling */ +static int uvcg_video_ep_queue(struct uvc_video *video, struct usb_request *req) +{ + int ret; + + ret = usb_ep_queue(video->ep, req, GFP_ATOMIC); + if (ret < 0) { + printk(KERN_INFO "Failed to queue request (%d).\n", ret); + /* Isochronous endpoints can't be halted. */ + if (usb_endpoint_xfer_bulk(video->ep->desc)) + usb_ep_set_halt(video->ep); + } + + return ret; +} + /* * I somehow feel that synchronisation won't be easy to achieve here. We have * three events that control USB requests submission: @@ -193,14 +208,13 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req) video->encode(req, video, buf); - if ((ret = usb_ep_queue(ep, req, GFP_ATOMIC)) < 0) { - printk(KERN_INFO "Failed to queue request (%d).\n", ret); - usb_ep_set_halt(ep); - spin_unlock_irqrestore(&video->queue.irqlock, flags); + ret = uvcg_video_ep_queue(video, req); + spin_unlock_irqrestore(&video->queue.irqlock, flags); + + if (ret < 0) { uvcg_queue_cancel(queue, 0); goto requeue; } - spin_unlock_irqrestore(&video->queue.irqlock, flags); return; @@ -320,15 +334,13 @@ int uvcg_video_pump(struct uvc_video *video) video->encode(req, video, buf); /* Queue the USB request */ - ret = usb_ep_queue(video->ep, req, GFP_ATOMIC); + ret = uvcg_video_ep_queue(video, req); + spin_unlock_irqrestore(&queue->irqlock, flags); + if (ret < 0) { - printk(KERN_INFO "Failed to queue request (%d)\n", ret); - usb_ep_set_halt(video->ep); - spin_unlock_irqrestore(&queue->irqlock, flags); uvcg_queue_cancel(queue, 0); break; } - spin_unlock_irqrestore(&queue->irqlock, flags); } spin_lock_irqsave(&video->req_lock, flags); diff --git a/drivers/usb/gadget/legacy/cdc2.c b/drivers/usb/gadget/legacy/cdc2.c index ecd8c8d62f2e..d70e7d43241a 100644 --- a/drivers/usb/gadget/legacy/cdc2.c +++ b/drivers/usb/gadget/legacy/cdc2.c @@ -229,7 +229,7 @@ static struct usb_composite_driver cdc_driver = { .name = "g_cdc", .dev = &device_desc, .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_SUPER, .bind = cdc_bind, .unbind = cdc_unbind, }; diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c index 320a81b2baa6..c0dccc65db3a 100644 --- a/drivers/usb/gadget/legacy/g_ffs.c +++ b/drivers/usb/gadget/legacy/g_ffs.c @@ -153,7 +153,7 @@ static struct usb_composite_driver gfs_driver = { .name = DRIVER_NAME, .dev = &gfs_dev_desc, .strings = gfs_dev_strings, - .max_speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_SUPER, .bind = gfs_bind, .unbind = gfs_unbind, }; diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c index 09c7c28f32f7..612c1608fccf 100644 --- a/drivers/usb/gadget/legacy/multi.c +++ b/drivers/usb/gadget/legacy/multi.c @@ -486,7 +486,7 @@ static struct usb_composite_driver multi_driver = { .name = "g_multi", .dev = &device_desc, .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_SUPER, .bind = multi_bind, .unbind = multi_unbind, .needs_serial = 1, diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c index 2bae4381332d..cc3ffacbade1 100644 --- a/drivers/usb/gadget/legacy/ncm.c +++ b/drivers/usb/gadget/legacy/ncm.c @@ -203,7 +203,7 @@ static struct usb_composite_driver ncm_driver = { .name = "g_ncm", .dev = &device_desc, .strings = dev_strings, - .max_speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_SUPER, .bind = gncm_bind, .unbind = gncm_unbind, }; diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h index 69a1d10df04f..3ee365fbc2e2 100644 --- a/drivers/usb/gadget/u_f.h +++ b/drivers/usb/gadget/u_f.h @@ -65,7 +65,9 @@ struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len) /* Frees a usb_request previously allocated by alloc_ep_req() */ static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req) { + WARN_ON(req->buf == NULL); kfree(req->buf); + req->buf = NULL; usb_ep_free_request(ep, req); } diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 585cb8734f50..668ac5e8681b 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -403,9 +403,11 @@ static void submit_request(struct usba_ep *ep, struct usba_request *req) next_fifo_transaction(ep, req); if (req->last_transaction) { usba_ep_writel(ep, CTL_DIS, USBA_TX_PK_RDY); - usba_ep_writel(ep, CTL_ENB, USBA_TX_COMPLETE); + if (ep_is_control(ep)) + usba_ep_writel(ep, CTL_ENB, USBA_TX_COMPLETE); } else { - usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE); + if (ep_is_control(ep)) + usba_ep_writel(ep, CTL_DIS, USBA_TX_COMPLETE); usba_ep_writel(ep, CTL_ENB, USBA_TX_PK_RDY); } } diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index 85f1f282c1d5..0321b9ce9faf 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -50,6 +50,7 @@ #define DRIVER_VERSION "02 May 2005" #define POWER_BUDGET 500 /* in mA; use 8 for low-power port testing */ +#define POWER_BUDGET_3 900 /* in mA */ static const char driver_name[] = "dummy_hcd"; static const char driver_desc[] = "USB Host+Gadget Emulator"; @@ -2435,7 +2436,7 @@ static int dummy_start_ss(struct dummy_hcd *dum_hcd) dum_hcd->rh_state = DUMMY_RH_RUNNING; dum_hcd->stream_en_ep = 0; INIT_LIST_HEAD(&dum_hcd->urbp_list); - dummy_hcd_to_hcd(dum_hcd)->power_budget = POWER_BUDGET; + dummy_hcd_to_hcd(dum_hcd)->power_budget = POWER_BUDGET_3; dummy_hcd_to_hcd(dum_hcd)->state = HC_STATE_RUNNING; dummy_hcd_to_hcd(dum_hcd)->uses_new_polling = 1; #ifdef CONFIG_USB_OTG diff --git a/drivers/usb/gadget/udc/fotg210-udc.c b/drivers/usb/gadget/udc/fotg210-udc.c index 95df2b3bb6a1..76e991557116 100644 --- a/drivers/usb/gadget/udc/fotg210-udc.c +++ b/drivers/usb/gadget/udc/fotg210-udc.c @@ -744,7 +744,7 @@ static void fotg210_get_status(struct fotg210_udc *fotg210, fotg210->ep0_req->length = 2; spin_unlock(&fotg210->lock); - fotg210_ep_queue(fotg210->gadget.ep0, fotg210->ep0_req, GFP_KERNEL); + fotg210_ep_queue(fotg210->gadget.ep0, fotg210->ep0_req, GFP_ATOMIC); spin_lock(&fotg210->lock); } diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index 8991a4070792..bd98557caa28 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -2570,7 +2570,7 @@ static int fsl_udc_remove(struct platform_device *pdev) dma_pool_destroy(udc_controller->td_pool); free_irq(udc_controller->irq, udc_controller); iounmap(dr_regs); - if (pdata->operating_mode == FSL_USB2_DR_DEVICE) + if (res && (pdata->operating_mode == FSL_USB2_DR_DEVICE)) release_mem_region(res->start, resource_size(res)); /* free udc --wait for the release() finished */ diff --git a/drivers/usb/gadget/udc/fusb300_udc.c b/drivers/usb/gadget/udc/fusb300_udc.c index 948845c90e47..351012c498c5 100644 --- a/drivers/usb/gadget/udc/fusb300_udc.c +++ b/drivers/usb/gadget/udc/fusb300_udc.c @@ -1345,12 +1345,15 @@ static const struct usb_gadget_ops fusb300_gadget_ops = { static int fusb300_remove(struct platform_device *pdev) { struct fusb300 *fusb300 = platform_get_drvdata(pdev); + int i; usb_del_gadget_udc(&fusb300->gadget); iounmap(fusb300->reg); free_irq(platform_get_irq(pdev, 0), fusb300); fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); + for (i = 0; i < FUSB300_MAX_NUM_EP; i++) + kfree(fusb300->ep[i]); kfree(fusb300); return 0; @@ -1494,6 +1497,8 @@ clean_up: if (fusb300->ep0_req) fusb300_free_request(&fusb300->ep[0]->ep, fusb300->ep0_req); + for (i = 0; i < FUSB300_MAX_NUM_EP; i++) + kfree(fusb300->ep[i]); kfree(fusb300); } if (reg) diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index 00b5006baf15..ea43cb74a6f2 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -964,8 +964,7 @@ static struct lpc32xx_usbd_dd_gad *udc_dd_alloc(struct lpc32xx_udc *udc) dma_addr_t dma; struct lpc32xx_usbd_dd_gad *dd; - dd = (struct lpc32xx_usbd_dd_gad *) dma_pool_alloc( - udc->dd_cache, (GFP_KERNEL | GFP_DMA), &dma); + dd = dma_pool_alloc(udc->dd_cache, GFP_ATOMIC | GFP_DMA, &dma); if (dd) dd->this_dma = dma; @@ -1226,11 +1225,11 @@ static void udc_pop_fifo(struct lpc32xx_udc *udc, u8 *data, u32 bytes) tmp = readl(USBD_RXDATA(udc->udp_baseaddr)); bl = bytes - n; - if (bl > 3) - bl = 3; + if (bl > 4) + bl = 4; for (i = 0; i < bl; i++) - data[n + i] = (u8) ((tmp >> (n * 8)) & 0xFF); + data[n + i] = (u8) ((tmp >> (i * 8)) & 0xFF); } break; diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 3b6e34fc032b..553922c3be85 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -962,6 +962,7 @@ net2272_dequeue(struct usb_ep *_ep, struct usb_request *_req) break; } if (&req->req != _req) { + ep->stopped = stopped; spin_unlock_irqrestore(&ep->dev->lock, flags); return -EINVAL; } diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 8efeadf30b4d..3a8d056a5d16 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -870,9 +870,6 @@ static void start_queue(struct net2280_ep *ep, u32 dmactl, u32 td_dma) (void) readl(&ep->dev->pci->pcimstctl); writel(BIT(DMA_START), &dma->dmastat); - - if (!ep->is_in) - stop_out_naking(ep); } static void start_dma(struct net2280_ep *ep, struct net2280_request *req) @@ -911,6 +908,7 @@ static void start_dma(struct net2280_ep *ep, struct net2280_request *req) writel(BIT(DMA_START), &dma->dmastat); return; } + stop_out_naking(ep); } tmp = dmactl_default; @@ -1272,9 +1270,9 @@ static int net2280_dequeue(struct usb_ep *_ep, struct usb_request *_req) break; } if (&req->req != _req) { + ep->stopped = stopped; spin_unlock_irqrestore(&ep->dev->lock, flags); - dev_err(&ep->dev->pdev->dev, "%s: Request mismatch\n", - __func__); + ep_dbg(ep->dev, "%s: Request mismatch\n", __func__); return -EINVAL; } diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 54f5332f814d..230c56d40557 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -40,6 +40,10 @@ /*-------------------------------------------------------------------------*/ +/* PID Codes that are used here, from EHCI specification, Table 3-16. */ +#define PID_CODE_IN 1 +#define PID_CODE_SETUP 2 + /* fill a qtd, returning how much of the buffer we were able to queue up */ static int @@ -199,7 +203,7 @@ static int qtd_copy_status ( int status = -EINPROGRESS; /* count IN/OUT bytes, not SETUP (even short packets) */ - if (likely (QTD_PID (token) != 2)) + if (likely(QTD_PID(token) != PID_CODE_SETUP)) urb->actual_length += length - QTD_LENGTH (token); /* don't modify error codes */ @@ -215,6 +219,13 @@ static int qtd_copy_status ( if (token & QTD_STS_BABBLE) { /* FIXME "must" disable babbling device's port too */ status = -EOVERFLOW; + /* + * When MMF is active and PID Code is IN, queue is halted. + * EHCI Specification, Table 4-13. + */ + } else if ((token & QTD_STS_MMF) && + (QTD_PID(token) == PID_CODE_IN)) { + status = -EPROTO; /* CERR nonzero + halt --> stall */ } else if (QTD_CERR(token)) { status = -EPIPE; diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 2341af4f3490..11b3a8c57eab 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1653,6 +1653,10 @@ 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/hwa-hc.c b/drivers/usb/host/hwa-hc.c index 97750f162f01..c14e4a64b0e8 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -173,7 +173,7 @@ out: return result; error_set_cluster_id: - wusb_cluster_id_put(wusbhc->cluster_id); + wusb_cluster_id_put(addr); error_cluster_id_get: goto out; diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 602c6e42c34d..27bd3e49fe8e 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -415,8 +415,7 @@ 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; @@ -432,6 +431,16 @@ 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 *-------------------------------------------------------------------------*/ @@ -750,7 +759,7 @@ static void io_watchdog_func(unsigned long _ohci) 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/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 89e9494c3245..3ea435c2d1b7 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -178,7 +178,7 @@ int usb_amd_find_chipset_info(void) { unsigned long flags; struct amd_chipset_info info; - int ret; + int need_pll_quirk = 0; spin_lock_irqsave(&amd_lock, flags); @@ -192,21 +192,28 @@ int usb_amd_find_chipset_info(void) spin_unlock_irqrestore(&amd_lock, flags); if (!amd_chipset_sb_type_init(&info)) { - ret = 0; goto commit; } - /* Below chipset generations needn't enable AMD PLL quirk */ - if (info.sb_type.gen == AMD_CHIPSET_UNKNOWN || - info.sb_type.gen == AMD_CHIPSET_SB600 || - info.sb_type.gen == AMD_CHIPSET_YANGTZE || - (info.sb_type.gen == AMD_CHIPSET_SB700 && - info.sb_type.rev > 0x3b)) { + switch (info.sb_type.gen) { + case AMD_CHIPSET_SB700: + need_pll_quirk = info.sb_type.rev <= 0x3B; + break; + case AMD_CHIPSET_SB800: + case AMD_CHIPSET_HUDSON2: + case AMD_CHIPSET_BOLTON: + need_pll_quirk = 1; + break; + default: + need_pll_quirk = 0; + break; + } + + if (!need_pll_quirk) { if (info.smbus_dev) { pci_dev_put(info.smbus_dev); info.smbus_dev = NULL; } - ret = 0; goto commit; } @@ -225,7 +232,7 @@ int usb_amd_find_chipset_info(void) } } - ret = info.probe_result = 1; + need_pll_quirk = info.probe_result = 1; printk(KERN_DEBUG "QUIRK: Enable AMD PLL fix\n"); commit: @@ -236,7 +243,7 @@ commit: /* Mark that we where here */ amd_chipset.probe_count++; - ret = amd_chipset.probe_result; + need_pll_quirk = amd_chipset.probe_result; spin_unlock_irqrestore(&amd_lock, flags); @@ -250,7 +257,7 @@ commit: spin_unlock_irqrestore(&amd_lock, flags); } - return ret; + return need_pll_quirk; } EXPORT_SYMBOL_GPL(usb_amd_find_chipset_info); diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index d5434e7a3b2e..86f9944f337d 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -3214,6 +3214,9 @@ static int __init u132_hcd_init(void) printk(KERN_INFO "driver %s\n", hcd_name); workqueue = create_singlethread_workqueue("u132"); retval = platform_driver_register(&u132_platform_driver); + if (retval) + destroy_workqueue(workqueue); + return retval; } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 421825b44202..3ef80c2c0dcc 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -704,7 +704,7 @@ 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, - unsigned long flags) + unsigned long *flags) __releases(&xhci->lock) __acquires(&xhci->lock) { @@ -736,6 +736,14 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, status |= USB_PORT_STAT_C_BH_RESET << 16; if ((raw_port_status & PORT_CEC)) status |= USB_PORT_STAT_C_CONFIG_ERROR << 16; + + /* USB3 remote wake resume signaling completed */ + if (bus_state->port_remote_wakeup & (1 << wIndex) && + (raw_port_status & PORT_PLS_MASK) != XDEV_RESUME && + (raw_port_status & PORT_PLS_MASK) != XDEV_RECOVERY) { + bus_state->port_remote_wakeup &= ~(1 << wIndex); + usb_hcd_end_port_resume(&hcd->self, wIndex); + } } if (hcd->speed < HCD_USB3) { @@ -786,12 +794,12 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd, xhci_set_link_state(xhci, port_array, wIndex, XDEV_U0); - spin_unlock_irqrestore(&xhci->lock, flags); + spin_unlock_irqrestore(&xhci->lock, *flags); time_left = wait_for_completion_timeout( &bus_state->rexit_done[wIndex], msecs_to_jiffies( XHCI_MAX_REXIT_TIMEOUT_MS)); - spin_lock_irqsave(&xhci->lock, flags); + spin_lock_irqsave(&xhci->lock, *flags); if (time_left) { slot_id = xhci_find_slot_id_by_port(hcd, @@ -937,7 +945,7 @@ 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, flags); + wIndex, temp, &flags); if (status == 0xffffffff) goto error; @@ -957,7 +965,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, } port_li = readl(port_array[wIndex] + PORTLI); status = xhci_get_ext_port_status(temp, port_li); - put_unaligned_le32(cpu_to_le32(status), &buf[4]); + put_unaligned_le32(status, &buf[4]); } break; case SetPortFeature: diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 0ec809a35a3f..f274e7e4e659 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1928,10 +1928,14 @@ no_bw: kfree(xhci->port_array); kfree(xhci->rh_bw); kfree(xhci->ext_caps); + kfree(xhci->usb2_rhub.psi); + kfree(xhci->usb3_rhub.psi); xhci->usb2_ports = NULL; xhci->usb3_ports = NULL; xhci->port_array = NULL; + xhci->usb2_rhub.psi = NULL; + xhci->usb3_rhub.psi = NULL; xhci->rh_bw = NULL; xhci->ext_caps = NULL; diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index d6e2199bcfe5..df86ea308415 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -444,6 +444,18 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated) retval = xhci_resume(xhci, hibernated); return retval; } + +static void xhci_pci_shutdown(struct usb_hcd *hcd) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + struct pci_dev *pdev = to_pci_dev(hcd->self.controller); + + xhci_shutdown(hcd); + + /* Yet another workaround for spurious wakeups at shutdown with HSW */ + if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) + pci_set_power_state(pdev, PCI_D3hot); +} #endif /* CONFIG_PM */ /*-------------------------------------------------------------------------*/ @@ -481,6 +493,7 @@ static int __init xhci_pci_init(void) #ifdef CONFIG_PM xhci_pci_hc_driver.pci_suspend = xhci_pci_suspend; xhci_pci_hc_driver.pci_resume = xhci_pci_resume; + xhci_pci_hc_driver.shutdown = xhci_pci_shutdown; #endif return pci_register_driver(&xhci_pci_driver); } diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 845fa426fa0d..536251c6149d 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1602,9 +1602,6 @@ static void handle_port_status(struct xhci_hcd *xhci, usb_hcd_resume_root_hub(hcd); } - if (hcd->speed >= HCD_USB3 && (temp & PORT_PLS_MASK) == XDEV_INACTIVE) - bus_state->port_remote_wakeup &= ~(1 << faked_port_index); - if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_RESUME) { xhci_dbg(xhci, "port resume event for port %d\n", port_id); @@ -1623,6 +1620,7 @@ static void handle_port_status(struct xhci_hcd *xhci, bus_state->port_remote_wakeup |= 1 << faked_port_index; xhci_test_and_clear_bit(xhci, port_array, faked_port_index, PORT_PLC); + usb_hcd_start_port_resume(&hcd->self, faked_port_index); xhci_set_link_state(xhci, port_array, faked_port_index, XDEV_U0); /* Need to wait until the next link state change @@ -1642,10 +1640,13 @@ static void handle_port_status(struct xhci_hcd *xhci, } } - if ((temp & PORT_PLC) && (temp & PORT_PLS_MASK) == XDEV_U0 && - DEV_SUPERSPEED_ANY(temp)) { + if ((temp & PORT_PLC) && + DEV_SUPERSPEED_ANY(temp) && + ((temp & PORT_PLS_MASK) == XDEV_U0 || + (temp & PORT_PLS_MASK) == XDEV_U1 || + (temp & PORT_PLS_MASK) == XDEV_U2)) { xhci_dbg(xhci, "resume SS port %d finished\n", port_id); - /* We've just brought the device into U0 through either the + /* We've just brought the device into U0/1/2 through either the * Resume state after a device remote wakeup, or through the * U3Exit state after a host-initiated resume. If it's a device * initiated remote wake, don't pass up the link state change, @@ -1657,8 +1658,6 @@ static void handle_port_status(struct xhci_hcd *xhci, if (slot_id && xhci->devs[slot_id]) xhci_ring_device(xhci, slot_id); if (bus_state->port_remote_wakeup & (1 << faked_port_index)) { - bus_state->port_remote_wakeup &= - ~(1 << faked_port_index); xhci_test_and_clear_bit(xhci, port_array, faked_port_index, PORT_PLC); usb_wakeup_notification(hcd->self.root_hub, diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index e3fdc799ad6e..af4e68152776 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -21,6 +21,7 @@ */ #include <linux/pci.h> +#include <linux/iopoll.h> #include <linux/irq.h> #include <linux/log2.h> #include <linux/module.h> @@ -46,7 +47,6 @@ static unsigned int quirks; module_param(quirks, uint, S_IRUGO); MODULE_PARM_DESC(quirks, "Bit flags for quirks to be enabled as default"); -/* TODO: copied from ehci-hcd.c - can this be refactored? */ /* * xhci_handshake - spin reading hc until handshake completes or fails * @ptr: address of hc register to be read @@ -63,18 +63,16 @@ MODULE_PARM_DESC(quirks, "Bit flags for quirks to be enabled as default"); int xhci_handshake(void __iomem *ptr, u32 mask, u32 done, int usec) { u32 result; + int ret; - do { - result = readl(ptr); - if (result == ~(u32)0) /* card removed */ - return -ENODEV; - result &= mask; - if (result == done) - return 0; - udelay(1); - usec--; - } while (usec > 0); - return -ETIMEDOUT; + ret = readl_poll_timeout_atomic(ptr, result, + (result & mask) == done || + result == U32_MAX, + 1, usec); + if (result == U32_MAX) /* card removed */ + return -ENODEV; + + return ret; } /* @@ -756,11 +754,8 @@ void xhci_shutdown(struct usb_hcd *hcd) xhci_dbg_trace(xhci, trace_xhci_dbg_init, "xhci_shutdown completed - status = %x", readl(&xhci->op_regs->status)); - - /* Yet another workaround for spurious wakeups at shutdown with HSW */ - if (xhci->quirks & XHCI_SPURIOUS_WAKEUP) - pci_set_power_state(to_pci_dev(hcd->self.controller), PCI_D3hot); } +EXPORT_SYMBOL_GPL(xhci_shutdown); #ifdef CONFIG_PM static void xhci_save_registers(struct xhci_hcd *xhci) @@ -931,7 +926,7 @@ static bool xhci_pending_portevent(struct xhci_hcd *xhci) int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup) { int rc = 0; - unsigned int delay = XHCI_MAX_HALT_USEC; + unsigned int delay = XHCI_MAX_HALT_USEC * 2; struct usb_hcd *hcd = xhci_to_hcd(xhci); u32 command; @@ -983,7 +978,7 @@ int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup) command |= CMD_CSS; writel(command, &xhci->op_regs->command); if (xhci_handshake(&xhci->op_regs->status, - STS_SAVE, 0, 10 * 1000)) { + STS_SAVE, 0, 20 * 1000)) { xhci_warn(xhci, "WARN: xHC save state timeout\n"); spin_unlock_irq(&xhci->lock); return -ETIMEDOUT; @@ -1043,6 +1038,18 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) hibernated = true; if (!hibernated) { + /* + * Some controllers might lose power during suspend, so wait + * for controller not ready bit to clear, just as in xHC init. + */ + retval = xhci_handshake(&xhci->op_regs->status, + STS_CNR, 0, 10 * 1000 * 1000); + if (retval) { + xhci_warn(xhci, "Controller not ready at resume %d\n", + retval); + spin_unlock_irq(&xhci->lock); + return retval; + } /* step 1: restore register */ xhci_restore_registers(xhci); /* step 2: initialize command ring buffer */ @@ -4193,7 +4200,6 @@ int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, pm_addr = port_array[port_num] + PORTPMSC; pm_val = readl(pm_addr); hlpm_addr = port_array[port_num] + PORTHLPMC; - field = le32_to_cpu(udev->bos->ext_cap->bmAttributes); xhci_dbg(xhci, "%s port %d USB2 hardware LPM\n", enable ? "enable" : "disable", port_num + 1); @@ -4205,6 +4211,7 @@ int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd, * default one which works with mixed HIRD and BESL * systems. See XHCI_DEFAULT_BESL definition in xhci.h */ + field = le32_to_cpu(udev->bos->ext_cap->bmAttributes); if ((field & USB_BESL_SUPPORT) && (field & USB_BESL_BASELINE_VALID)) hird = USB_GET_BESL_BASELINE(field); @@ -4531,12 +4538,12 @@ static int xhci_update_timeout_for_endpoint(struct xhci_hcd *xhci, alt_timeout = xhci_call_host_update_timeout_for_endpoint(xhci, udev, desc, state, timeout); - /* If we found we can't enable hub-initiated LPM, or + /* If we found we can't enable hub-initiated LPM, and * the U1 or U2 exit latency was too high to allow - * device-initiated LPM as well, just stop searching. + * device-initiated LPM as well, then we will disable LPM + * for this device, so stop searching any further. */ - if (alt_timeout == USB3_LPM_DISABLED || - alt_timeout == USB3_LPM_DEVICE_INITIATED) { + if (alt_timeout == USB3_LPM_DISABLED) { *timeout = alt_timeout; return -E2BIG; } @@ -4647,10 +4654,12 @@ static u16 xhci_calculate_lpm_timeout(struct usb_hcd *hcd, if (intf->dev.driver) { driver = to_usb_driver(intf->dev.driver); if (driver && driver->disable_hub_initiated_lpm) { - dev_dbg(&udev->dev, "Hub-initiated %s disabled " - "at request of driver %s\n", - state_name, driver->name); - return xhci_get_timeout_no_hub_lpm(udev, state); + dev_dbg(&udev->dev, "Hub-initiated %s disabled at request of driver %s\n", + state_name, driver->name); + timeout = xhci_get_timeout_no_hub_lpm(udev, + state); + if (timeout == USB3_LPM_DISABLED) + return timeout; } } diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 0635cea42e6f..0a3aa38b3c96 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -309,10 +309,12 @@ struct xhci_op_regs { */ #define PORT_PLS_MASK (0xf << 5) #define XDEV_U0 (0x0 << 5) +#define XDEV_U1 (0x1 << 5) #define XDEV_U2 (0x2 << 5) #define XDEV_U3 (0x3 << 5) #define XDEV_INACTIVE (0x6 << 5) #define XDEV_POLLING (0x7 << 5) +#define XDEV_RECOVERY (0x8 << 5) #define XDEV_COMP_MODE (0xa << 5) #define XDEV_RESUME (0xf << 5) /* true: port has power (see HCC_PPC) */ @@ -1832,6 +1834,7 @@ int xhci_run(struct usb_hcd *hcd); void xhci_stop(struct usb_hcd *hcd); void xhci_shutdown(struct usb_hcd *hcd); int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks); +void xhci_shutdown(struct usb_hcd *hcd); void xhci_init_driver(struct hc_driver *drv, const struct xhci_driver_overrides *over); diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index a4dbb0cd80da..0fecc002fa9f 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -724,6 +724,10 @@ static int mts_usb_probe(struct usb_interface *intf, } + if (ep_in_current != &ep_in_set[2]) { + MTS_WARNING("couldn't find two input bulk endpoints. Bailing out.\n"); + return -ENODEV; + } if ( ep_out == -1 ) { MTS_WARNING( "couldn't find an output bulk endpoint. Bailing out.\n" ); diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index f7a7fc21be8a..c7383c41c90e 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig @@ -46,16 +46,6 @@ config USB_SEVSEG To compile this driver as a module, choose M here: the module will be called usbsevseg. -config USB_RIO500 - tristate "USB Diamond Rio500 support" - help - Say Y here if you want to connect a USB Rio500 mp3 player to your - computer's USB port. Please read <file:Documentation/usb/rio.txt> - for more information. - - To compile this driver as a module, choose M here: the - module will be called rio500. - config USB_LEGOTOWER tristate "USB Lego Infrared Tower support" help diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 45fd4ac39d3e..0cbdd77363f2 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -17,7 +17,6 @@ obj-$(CONFIG_USB_LCD) += usblcd.o obj-$(CONFIG_USB_LD) += ldusb.o obj-$(CONFIG_USB_LED) += usbled.o obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o -obj-$(CONFIG_USB_RIO500) += rio500.o obj-$(CONFIG_USB_TEST) += usbtest.o obj-$(CONFIG_USB_EHSET_TEST_FIXTURE) += ehset.o obj-$(CONFIG_USB_TRANCEVIBRATOR) += trancevibrator.o diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index 3071c0ef909b..ba5c0a4591ac 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -80,6 +80,7 @@ struct adu_device { char serial_number[8]; int open_count; /* number of times this port has been opened */ + unsigned long disconnected:1; char *read_buffer_primary; int read_buffer_length; @@ -121,7 +122,7 @@ static void adu_abort_transfers(struct adu_device *dev) { unsigned long flags; - if (dev->udev == NULL) + if (dev->disconnected) return; /* shutdown transfer */ @@ -151,6 +152,7 @@ static void adu_delete(struct adu_device *dev) kfree(dev->read_buffer_secondary); kfree(dev->interrupt_in_buffer); kfree(dev->interrupt_out_buffer); + usb_put_dev(dev->udev); kfree(dev); } @@ -244,7 +246,7 @@ static int adu_open(struct inode *inode, struct file *file) } dev = usb_get_intfdata(interface); - if (!dev || !dev->udev) { + if (!dev) { retval = -ENODEV; goto exit_no_device; } @@ -327,7 +329,7 @@ static int adu_release(struct inode *inode, struct file *file) } adu_release_internal(dev); - if (dev->udev == NULL) { + if (dev->disconnected) { /* the device was unplugged before the file was released */ if (!dev->open_count) /* ... and we're the last user */ adu_delete(dev); @@ -356,7 +358,7 @@ static ssize_t adu_read(struct file *file, __user char *buffer, size_t count, return -ERESTARTSYS; /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto exit; @@ -525,7 +527,7 @@ static ssize_t adu_write(struct file *file, const __user char *buffer, goto exit_nolock; /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto exit; @@ -680,11 +682,11 @@ static int adu_probe(struct usb_interface *interface, mutex_init(&dev->mtx); spin_lock_init(&dev->buflock); - dev->udev = udev; + dev->udev = usb_get_dev(udev); init_waitqueue_head(&dev->read_wait); init_waitqueue_head(&dev->write_wait); - iface_desc = &interface->altsetting[0]; + iface_desc = &interface->cur_altsetting[0]; /* set up the endpoint information */ for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { @@ -800,19 +802,21 @@ error: static void adu_disconnect(struct usb_interface *interface) { struct adu_device *dev; - int minor; dev = usb_get_intfdata(interface); - mutex_lock(&dev->mtx); /* not interruptible */ - dev->udev = NULL; /* poison */ - minor = dev->minor; usb_deregister_dev(interface, &adu_class); - mutex_unlock(&dev->mtx); + + usb_poison_urb(dev->interrupt_in_urb); + usb_poison_urb(dev->interrupt_out_urb); mutex_lock(&adutux_mutex); usb_set_intfdata(interface, NULL); + mutex_lock(&dev->mtx); /* not interruptible */ + dev->disconnected = 1; + mutex_unlock(&dev->mtx); + /* if the device is not opened, then we clean up right now */ if (!dev->open_count) adu_delete(dev); diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 993f4da065c3..8b7d43c282f8 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -161,8 +161,11 @@ static int appledisplay_bl_update_status(struct backlight_device *bd) pdata->msgdata, 2, ACD_USB_TIMEOUT); mutex_unlock(&pdata->sysfslock); - - return retval; + + if (retval < 0) + return retval; + else + return 0; } static int appledisplay_bl_get_brightness(struct backlight_device *bd) @@ -180,7 +183,12 @@ static int appledisplay_bl_get_brightness(struct backlight_device *bd) 0, pdata->msgdata, 2, ACD_USB_TIMEOUT); - brightness = pdata->msgdata[1]; + if (retval < 2) { + if (retval >= 0) + retval = -EMSGSIZE; + } else { + brightness = pdata->msgdata[1]; + } mutex_unlock(&pdata->sysfslock); if (retval < 0) @@ -326,6 +334,7 @@ error: if (pdata) { if (pdata->urb) { usb_kill_urb(pdata->urb); + cancel_delayed_work_sync(&pdata->work); if (pdata->urbdata) usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN, pdata->urbdata, pdata->urb->transfer_dma); diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c index 23c794813e6a..a3692811248b 100644 --- a/drivers/usb/misc/chaoskey.c +++ b/drivers/usb/misc/chaoskey.c @@ -96,6 +96,7 @@ static void chaoskey_free(struct chaoskey *dev) usb_dbg(dev->interface, "free"); kfree(dev->name); kfree(dev->buf); + usb_put_intf(dev->interface); kfree(dev); } @@ -144,6 +145,8 @@ static int chaoskey_probe(struct usb_interface *interface, if (dev == NULL) return -ENOMEM; + dev->interface = usb_get_intf(interface); + dev->buf = kmalloc(size, GFP_KERNEL); if (dev->buf == NULL) { @@ -169,8 +172,6 @@ static int chaoskey_probe(struct usb_interface *interface, strcat(dev->name, udev->serial); } - dev->interface = interface; - dev->in_ep = in_ep; dev->size = size; diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 6d4e75785710..066dce850cc6 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -342,7 +342,7 @@ static int idmouse_probe(struct usb_interface *interface, int result; /* check if we have gotten the data or the hid interface */ - iface_desc = &interface->altsetting[0]; + iface_desc = interface->cur_altsetting; if (iface_desc->desc.bInterfaceClass != 0x0A) return -ENODEV; diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 5e43fd881a9c..83342e579233 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -89,6 +89,7 @@ struct iowarrior { char chip_serial[9]; /* the serial number string of the chip connected */ int report_size; /* number of bytes in a report */ u16 product_id; + struct usb_anchor submitted; }; /*--------------*/ @@ -248,6 +249,7 @@ static inline void iowarrior_delete(struct iowarrior *dev) kfree(dev->int_in_buffer); usb_free_urb(dev->int_in_urb); kfree(dev->read_queue); + usb_put_intf(dev->interface); kfree(dev); } @@ -436,11 +438,13 @@ static ssize_t iowarrior_write(struct file *file, retval = -EFAULT; goto error; } + usb_anchor_urb(int_out_urb, &dev->submitted); retval = usb_submit_urb(int_out_urb, GFP_KERNEL); if (retval) { dev_dbg(&dev->interface->dev, "submit error %d for urb nr.%d\n", retval, atomic_read(&dev->write_busy)); + usb_unanchor_urb(int_out_urb); goto error; } /* submit was ok */ @@ -782,11 +786,13 @@ static int iowarrior_probe(struct usb_interface *interface, init_waitqueue_head(&dev->write_wait); dev->udev = udev; - dev->interface = interface; + dev->interface = usb_get_intf(interface); iface_desc = interface->cur_altsetting; dev->product_id = le16_to_cpu(udev->descriptor.idProduct); + init_usb_anchor(&dev->submitted); + /* set up the endpoint information */ for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { endpoint = &iface_desc->endpoint[i].desc; @@ -900,8 +906,9 @@ static void iowarrior_disconnect(struct usb_interface *interface) usb_set_intfdata(interface, NULL); minor = dev->minor; + mutex_unlock(&iowarrior_open_disc_lock); + /* give back our minor - this will call close() locks need to be dropped at this point*/ - /* give back our minor */ usb_deregister_dev(interface, &iowarrior_class); mutex_lock(&dev->mutex); @@ -909,19 +916,19 @@ static void iowarrior_disconnect(struct usb_interface *interface) /* prevent device read, write and ioctl */ dev->present = 0; - mutex_unlock(&dev->mutex); - mutex_unlock(&iowarrior_open_disc_lock); - if (dev->opened) { /* There is a process that holds a filedescriptor to the device , so we only shutdown read-/write-ops going on. Deleting the device is postponed until close() was called. */ usb_kill_urb(dev->int_in_urb); + usb_kill_anchored_urbs(&dev->submitted); wake_up_interruptible(&dev->read_wait); wake_up_interruptible(&dev->write_wait); + mutex_unlock(&dev->mutex); } else { /* no process is using the device, cleanup now */ + mutex_unlock(&dev->mutex); iowarrior_delete(dev); } diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index e9113238d9e3..8f5f8ad98632 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -158,6 +158,7 @@ MODULE_PARM_DESC(min_interrupt_out_interval, "Minimum interrupt out interval in struct ld_usb { struct mutex mutex; /* locks this structure */ struct usb_interface* intf; /* save off the usb interface pointer */ + unsigned long disconnected:1; int open_count; /* number of times this port has been opened */ @@ -197,12 +198,10 @@ static void ld_usb_abort_transfers(struct ld_usb *dev) /* shutdown transfer */ if (dev->interrupt_in_running) { dev->interrupt_in_running = 0; - if (dev->intf) - usb_kill_urb(dev->interrupt_in_urb); + usb_kill_urb(dev->interrupt_in_urb); } if (dev->interrupt_out_busy) - if (dev->intf) - usb_kill_urb(dev->interrupt_out_urb); + usb_kill_urb(dev->interrupt_out_urb); } /** @@ -210,8 +209,6 @@ static void ld_usb_abort_transfers(struct ld_usb *dev) */ static void ld_usb_delete(struct ld_usb *dev) { - ld_usb_abort_transfers(dev); - /* free data structures */ usb_free_urb(dev->interrupt_in_urb); usb_free_urb(dev->interrupt_out_urb); @@ -267,7 +264,7 @@ static void ld_usb_interrupt_in_callback(struct urb *urb) resubmit: /* resubmit if we're still running */ - if (dev->interrupt_in_running && !dev->buffer_overflow && dev->intf) { + if (dev->interrupt_in_running && !dev->buffer_overflow) { retval = usb_submit_urb(dev->interrupt_in_urb, GFP_ATOMIC); if (retval) { dev_err(&dev->intf->dev, @@ -387,16 +384,13 @@ static int ld_usb_release(struct inode *inode, struct file *file) goto exit; } - if (mutex_lock_interruptible(&dev->mutex)) { - retval = -ERESTARTSYS; - goto exit; - } + mutex_lock(&dev->mutex); if (dev->open_count != 1) { retval = -ENODEV; goto unlock_exit; } - if (dev->intf == NULL) { + if (dev->disconnected) { /* the device was unplugged before the file was released */ mutex_unlock(&dev->mutex); /* unlock here as ld_usb_delete frees dev */ @@ -427,7 +421,7 @@ static unsigned int ld_usb_poll(struct file *file, poll_table *wait) dev = file->private_data; - if (!dev->intf) + if (dev->disconnected) return POLLERR | POLLHUP; poll_wait(file, &dev->read_wait, wait); @@ -466,7 +460,7 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, } /* verify that the device wasn't unplugged */ - if (dev->intf == NULL) { + if (dev->disconnected) { retval = -ENODEV; printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval); goto unlock_exit; @@ -474,7 +468,7 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, /* wait for data */ spin_lock_irq(&dev->rbsl); - if (dev->ring_head == dev->ring_tail) { + while (dev->ring_head == dev->ring_tail) { dev->interrupt_in_done = 0; spin_unlock_irq(&dev->rbsl); if (file->f_flags & O_NONBLOCK) { @@ -484,12 +478,17 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, retval = wait_event_interruptible(dev->read_wait, dev->interrupt_in_done); if (retval < 0) goto unlock_exit; - } else { - spin_unlock_irq(&dev->rbsl); + + spin_lock_irq(&dev->rbsl); } + spin_unlock_irq(&dev->rbsl); /* actual_buffer contains actual_length + interrupt_in_buffer */ actual_buffer = (size_t*)(dev->ring_buffer + dev->ring_tail*(sizeof(size_t)+dev->interrupt_in_endpoint_size)); + if (*actual_buffer > dev->interrupt_in_endpoint_size) { + retval = -EIO; + goto unlock_exit; + } bytes_to_read = min(count, *actual_buffer); if (bytes_to_read < *actual_buffer) dev_warn(&dev->intf->dev, "Read buffer overflow, %zd bytes dropped\n", @@ -500,11 +499,11 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count, retval = -EFAULT; goto unlock_exit; } - dev->ring_tail = (dev->ring_tail+1) % ring_buffer_size; - retval = bytes_to_read; spin_lock_irq(&dev->rbsl); + dev->ring_tail = (dev->ring_tail + 1) % ring_buffer_size; + if (dev->buffer_overflow) { dev->buffer_overflow = 0; spin_unlock_irq(&dev->rbsl); @@ -546,7 +545,7 @@ static ssize_t ld_usb_write(struct file *file, const char __user *buffer, } /* verify that the device wasn't unplugged */ - if (dev->intf == NULL) { + if (dev->disconnected) { retval = -ENODEV; printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval); goto unlock_exit; @@ -585,7 +584,7 @@ static ssize_t ld_usb_write(struct file *file, const char __user *buffer, 1 << 8, 0, dev->interrupt_out_buffer, bytes_to_write, - USB_CTRL_SET_TIMEOUT * HZ); + USB_CTRL_SET_TIMEOUT); if (retval < 0) dev_err(&dev->intf->dev, "Couldn't submit HID_REQ_SET_REPORT %d\n", @@ -709,7 +708,9 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * dev_warn(&intf->dev, "Interrupt out endpoint not found (using control endpoint instead)\n"); dev->interrupt_in_endpoint_size = usb_endpoint_maxp(dev->interrupt_in_endpoint); - dev->ring_buffer = kmalloc(ring_buffer_size*(sizeof(size_t)+dev->interrupt_in_endpoint_size), GFP_KERNEL); + dev->ring_buffer = kcalloc(ring_buffer_size, + sizeof(size_t) + dev->interrupt_in_endpoint_size, + GFP_KERNEL); if (!dev->ring_buffer) { dev_err(&intf->dev, "Couldn't allocate ring_buffer\n"); goto error; @@ -782,6 +783,9 @@ static void ld_usb_disconnect(struct usb_interface *intf) /* give back our minor */ usb_deregister_dev(intf, &ld_usb_class); + usb_poison_urb(dev->interrupt_in_urb); + usb_poison_urb(dev->interrupt_out_urb); + mutex_lock(&dev->mutex); /* if the device is not opened, then we clean up right now */ @@ -789,7 +793,7 @@ static void ld_usb_disconnect(struct usb_interface *intf) mutex_unlock(&dev->mutex); ld_usb_delete(dev); } else { - dev->intf = NULL; + dev->disconnected = 1; /* wake up pollers */ wake_up_interruptible_all(&dev->read_wait); wake_up_interruptible_all(&dev->write_wait); diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 0ec9ee573ffa..8350ecfbcf21 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -185,7 +185,6 @@ static const struct usb_device_id tower_table[] = { }; MODULE_DEVICE_TABLE (usb, tower_table); -static DEFINE_MUTEX(open_disc_mutex); #define LEGO_USB_TOWER_MINOR_BASE 160 @@ -197,6 +196,7 @@ struct lego_usb_tower { unsigned char minor; /* the starting minor number for this device */ int open_count; /* number of times this port has been opened */ + unsigned long disconnected:1; char* read_buffer; size_t read_buffer_length; /* this much came in */ @@ -296,14 +296,13 @@ static inline void lego_usb_tower_debug_data(struct device *dev, */ static inline void tower_delete (struct lego_usb_tower *dev) { - tower_abort_transfers (dev); - /* free data structures */ usb_free_urb(dev->interrupt_in_urb); usb_free_urb(dev->interrupt_out_urb); kfree (dev->read_buffer); kfree (dev->interrupt_in_buffer); kfree (dev->interrupt_out_buffer); + usb_put_dev(dev->udev); kfree (dev); } @@ -338,18 +337,14 @@ static int tower_open (struct inode *inode, struct file *file) goto exit; } - mutex_lock(&open_disc_mutex); dev = usb_get_intfdata(interface); - if (!dev) { - mutex_unlock(&open_disc_mutex); retval = -ENODEV; goto exit; } /* lock this device */ if (mutex_lock_interruptible(&dev->lock)) { - mutex_unlock(&open_disc_mutex); retval = -ERESTARTSYS; goto exit; } @@ -357,12 +352,9 @@ static int tower_open (struct inode *inode, struct file *file) /* allow opening only once */ if (dev->open_count) { - mutex_unlock(&open_disc_mutex); retval = -EBUSY; goto unlock_exit; } - dev->open_count = 1; - mutex_unlock(&open_disc_mutex); /* reset the tower */ result = usb_control_msg (dev->udev, @@ -402,13 +394,14 @@ static int tower_open (struct inode *inode, struct file *file) dev_err(&dev->udev->dev, "Couldn't submit interrupt_in_urb %d\n", retval); dev->interrupt_in_running = 0; - dev->open_count = 0; goto unlock_exit; } /* save device in the file's private structure */ file->private_data = dev; + dev->open_count = 1; + unlock_exit: mutex_unlock(&dev->lock); @@ -429,22 +422,19 @@ static int tower_release (struct inode *inode, struct file *file) if (dev == NULL) { retval = -ENODEV; - goto exit_nolock; - } - - mutex_lock(&open_disc_mutex); - if (mutex_lock_interruptible(&dev->lock)) { - retval = -ERESTARTSYS; goto exit; } + mutex_lock(&dev->lock); + if (dev->open_count != 1) { dev_dbg(&dev->udev->dev, "%s: device not opened exactly once\n", __func__); retval = -ENODEV; goto unlock_exit; } - if (dev->udev == NULL) { + + if (dev->disconnected) { /* the device was unplugged before the file was released */ /* unlock here as tower_delete frees dev */ @@ -462,10 +452,7 @@ static int tower_release (struct inode *inode, struct file *file) unlock_exit: mutex_unlock(&dev->lock); - exit: - mutex_unlock(&open_disc_mutex); -exit_nolock: return retval; } @@ -483,10 +470,9 @@ static void tower_abort_transfers (struct lego_usb_tower *dev) if (dev->interrupt_in_running) { dev->interrupt_in_running = 0; mb(); - if (dev->udev) - usb_kill_urb (dev->interrupt_in_urb); + usb_kill_urb(dev->interrupt_in_urb); } - if (dev->interrupt_out_busy && dev->udev) + if (dev->interrupt_out_busy) usb_kill_urb(dev->interrupt_out_urb); } @@ -522,7 +508,7 @@ static unsigned int tower_poll (struct file *file, poll_table *wait) dev = file->private_data; - if (!dev->udev) + if (dev->disconnected) return POLLERR | POLLHUP; poll_wait(file, &dev->read_wait, wait); @@ -569,7 +555,7 @@ static ssize_t tower_read (struct file *file, char __user *buffer, size_t count, } /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto unlock_exit; @@ -655,7 +641,7 @@ static ssize_t tower_write (struct file *file, const char __user *buffer, size_t } /* verify that the device wasn't unplugged */ - if (dev->udev == NULL) { + if (dev->disconnected) { retval = -ENODEV; pr_err("No device or device unplugged %d\n", retval); goto unlock_exit; @@ -764,7 +750,7 @@ static void tower_interrupt_in_callback (struct urb *urb) resubmit: /* resubmit if we're still running */ - if (dev->interrupt_in_running && dev->udev) { + if (dev->interrupt_in_running) { retval = usb_submit_urb (dev->interrupt_in_urb, GFP_ATOMIC); if (retval) dev_err(&dev->udev->dev, @@ -832,8 +818,9 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device mutex_init(&dev->lock); - dev->udev = udev; + dev->udev = usb_get_dev(udev); dev->open_count = 0; + dev->disconnected = 0; dev->read_buffer = NULL; dev->read_buffer_length = 0; @@ -923,8 +910,10 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device get_version_reply, sizeof(*get_version_reply), 1000); - if (result < 0) { - dev_err(idev, "LEGO USB Tower get version control request failed\n"); + if (result != sizeof(*get_version_reply)) { + if (result >= 0) + result = -EIO; + dev_err(idev, "get version request failed: %d\n", result); retval = result; goto error; } @@ -942,7 +931,6 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device if (retval) { /* something prevented us from registering this driver */ dev_err(idev, "Not able to get a minor for this device.\n"); - usb_set_intfdata (interface, NULL); goto error; } dev->minor = interface->minor; @@ -974,23 +962,24 @@ static void tower_disconnect (struct usb_interface *interface) int minor; dev = usb_get_intfdata (interface); - mutex_lock(&open_disc_mutex); - usb_set_intfdata (interface, NULL); minor = dev->minor; - /* give back our minor */ + /* give back our minor and prevent further open() */ usb_deregister_dev (interface, &tower_class); + /* stop I/O */ + usb_poison_urb(dev->interrupt_in_urb); + usb_poison_urb(dev->interrupt_out_urb); + mutex_lock(&dev->lock); - mutex_unlock(&open_disc_mutex); /* if the device is not opened, then we clean up right now */ if (!dev->open_count) { mutex_unlock(&dev->lock); tower_delete (dev); } else { - dev->udev = NULL; + dev->disconnected = 1; /* wake up pollers */ wake_up_interruptible_all(&dev->read_wait); wake_up_interruptible_all(&dev->write_wait); diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c deleted file mode 100644 index 13731d512624..000000000000 --- a/drivers/usb/misc/rio500.c +++ /dev/null @@ -1,553 +0,0 @@ -/* -*- linux-c -*- */ - -/* - * Driver for USB Rio 500 - * - * Cesar Miquel (miquel@df.uba.ar) - * - * based on hp_scanner.c by David E. Nelson (dnelson@jump.net) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Based upon mouse.c (Brad Keryan) and printer.c (Michael Gee). - * - * Changelog: - * 30/05/2003 replaced lock/unlock kernel with up/down - * Daniele Bellucci bellucda@tiscali.it - * */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/signal.h> -#include <linux/sched.h> -#include <linux/mutex.h> -#include <linux/errno.h> -#include <linux/random.h> -#include <linux/poll.h> -#include <linux/slab.h> -#include <linux/spinlock.h> -#include <linux/usb.h> -#include <linux/wait.h> - -#include "rio500_usb.h" - -/* - * Version Information - */ -#define DRIVER_VERSION "v1.1" -#define DRIVER_AUTHOR "Cesar Miquel <miquel@df.uba.ar>" -#define DRIVER_DESC "USB Rio 500 driver" - -#define RIO_MINOR 64 - -/* stall/wait timeout for rio */ -#define NAK_TIMEOUT (HZ) - -#define IBUF_SIZE 0x1000 - -/* Size of the rio buffer */ -#define OBUF_SIZE 0x10000 - -struct rio_usb_data { - struct usb_device *rio_dev; /* init: probe_rio */ - unsigned int ifnum; /* Interface number of the USB device */ - int isopen; /* nz if open */ - int present; /* Device is present on the bus */ - char *obuf, *ibuf; /* transfer buffers */ - char bulk_in_ep, bulk_out_ep; /* Endpoint assignments */ - wait_queue_head_t wait_q; /* for timeouts */ - struct mutex lock; /* general race avoidance */ -}; - -static DEFINE_MUTEX(rio500_mutex); -static struct rio_usb_data rio_instance; - -static int open_rio(struct inode *inode, struct file *file) -{ - struct rio_usb_data *rio = &rio_instance; - - /* against disconnect() */ - mutex_lock(&rio500_mutex); - mutex_lock(&(rio->lock)); - - if (rio->isopen || !rio->present) { - mutex_unlock(&(rio->lock)); - mutex_unlock(&rio500_mutex); - return -EBUSY; - } - rio->isopen = 1; - - init_waitqueue_head(&rio->wait_q); - - mutex_unlock(&(rio->lock)); - - dev_info(&rio->rio_dev->dev, "Rio opened.\n"); - mutex_unlock(&rio500_mutex); - - return 0; -} - -static int close_rio(struct inode *inode, struct file *file) -{ - struct rio_usb_data *rio = &rio_instance; - - rio->isopen = 0; - - dev_info(&rio->rio_dev->dev, "Rio closed.\n"); - return 0; -} - -static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg) -{ - struct RioCommand rio_cmd; - struct rio_usb_data *rio = &rio_instance; - void __user *data; - unsigned char *buffer; - int result, requesttype; - int retries; - int retval=0; - - mutex_lock(&(rio->lock)); - /* Sanity check to make sure rio is connected, powered, etc */ - if (rio->present == 0 || rio->rio_dev == NULL) { - retval = -ENODEV; - goto err_out; - } - - switch (cmd) { - case RIO_RECV_COMMAND: - data = (void __user *) arg; - if (data == NULL) - break; - if (copy_from_user(&rio_cmd, data, sizeof(struct RioCommand))) { - retval = -EFAULT; - goto err_out; - } - if (rio_cmd.length < 0 || rio_cmd.length > PAGE_SIZE) { - retval = -EINVAL; - goto err_out; - } - buffer = (unsigned char *) __get_free_page(GFP_KERNEL); - if (buffer == NULL) { - retval = -ENOMEM; - goto err_out; - } - if (copy_from_user(buffer, rio_cmd.buffer, rio_cmd.length)) { - retval = -EFAULT; - free_page((unsigned long) buffer); - goto err_out; - } - - requesttype = rio_cmd.requesttype | USB_DIR_IN | - USB_TYPE_VENDOR | USB_RECIP_DEVICE; - dev_dbg(&rio->rio_dev->dev, - "sending command:reqtype=%0x req=%0x value=%0x index=%0x len=%0x\n", - requesttype, rio_cmd.request, rio_cmd.value, - rio_cmd.index, rio_cmd.length); - /* Send rio control message */ - retries = 3; - while (retries) { - result = usb_control_msg(rio->rio_dev, - usb_rcvctrlpipe(rio-> rio_dev, 0), - rio_cmd.request, - requesttype, - rio_cmd.value, - rio_cmd.index, buffer, - rio_cmd.length, - jiffies_to_msecs(rio_cmd.timeout)); - if (result == -ETIMEDOUT) - retries--; - else if (result < 0) { - dev_err(&rio->rio_dev->dev, - "Error executing ioctrl. code = %d\n", - result); - retries = 0; - } else { - dev_dbg(&rio->rio_dev->dev, - "Executed ioctl. Result = %d (data=%02x)\n", - result, buffer[0]); - if (copy_to_user(rio_cmd.buffer, buffer, - rio_cmd.length)) { - free_page((unsigned long) buffer); - retval = -EFAULT; - goto err_out; - } - retries = 0; - } - - /* rio_cmd.buffer contains a raw stream of single byte - data which has been returned from rio. Data is - interpreted at application level. For data that - will be cast to data types longer than 1 byte, data - will be little_endian and will potentially need to - be swapped at the app level */ - - } - free_page((unsigned long) buffer); - break; - - case RIO_SEND_COMMAND: - data = (void __user *) arg; - if (data == NULL) - break; - if (copy_from_user(&rio_cmd, data, sizeof(struct RioCommand))) { - retval = -EFAULT; - goto err_out; - } - if (rio_cmd.length < 0 || rio_cmd.length > PAGE_SIZE) { - retval = -EINVAL; - goto err_out; - } - buffer = (unsigned char *) __get_free_page(GFP_KERNEL); - if (buffer == NULL) { - retval = -ENOMEM; - goto err_out; - } - if (copy_from_user(buffer, rio_cmd.buffer, rio_cmd.length)) { - free_page((unsigned long)buffer); - retval = -EFAULT; - goto err_out; - } - - requesttype = rio_cmd.requesttype | USB_DIR_OUT | - USB_TYPE_VENDOR | USB_RECIP_DEVICE; - dev_dbg(&rio->rio_dev->dev, - "sending command: reqtype=%0x req=%0x value=%0x index=%0x len=%0x\n", - requesttype, rio_cmd.request, rio_cmd.value, - rio_cmd.index, rio_cmd.length); - /* Send rio control message */ - retries = 3; - while (retries) { - result = usb_control_msg(rio->rio_dev, - usb_sndctrlpipe(rio-> rio_dev, 0), - rio_cmd.request, - requesttype, - rio_cmd.value, - rio_cmd.index, buffer, - rio_cmd.length, - jiffies_to_msecs(rio_cmd.timeout)); - if (result == -ETIMEDOUT) - retries--; - else if (result < 0) { - dev_err(&rio->rio_dev->dev, - "Error executing ioctrl. code = %d\n", - result); - retries = 0; - } else { - dev_dbg(&rio->rio_dev->dev, - "Executed ioctl. Result = %d\n", result); - retries = 0; - - } - - } - free_page((unsigned long) buffer); - break; - - default: - retval = -ENOTTY; - break; - } - - -err_out: - mutex_unlock(&(rio->lock)); - return retval; -} - -static ssize_t -write_rio(struct file *file, const char __user *buffer, - size_t count, loff_t * ppos) -{ - DEFINE_WAIT(wait); - struct rio_usb_data *rio = &rio_instance; - - unsigned long copy_size; - unsigned long bytes_written = 0; - unsigned int partial; - - int result = 0; - int maxretry; - int errn = 0; - int intr; - - intr = mutex_lock_interruptible(&(rio->lock)); - if (intr) - return -EINTR; - /* Sanity check to make sure rio is connected, powered, etc */ - if (rio->present == 0 || rio->rio_dev == NULL) { - mutex_unlock(&(rio->lock)); - return -ENODEV; - } - - - - do { - unsigned long thistime; - char *obuf = rio->obuf; - - thistime = copy_size = - (count >= OBUF_SIZE) ? OBUF_SIZE : count; - if (copy_from_user(rio->obuf, buffer, copy_size)) { - errn = -EFAULT; - goto error; - } - maxretry = 5; - while (thistime) { - if (!rio->rio_dev) { - errn = -ENODEV; - goto error; - } - if (signal_pending(current)) { - mutex_unlock(&(rio->lock)); - return bytes_written ? bytes_written : -EINTR; - } - - result = usb_bulk_msg(rio->rio_dev, - usb_sndbulkpipe(rio->rio_dev, 2), - obuf, thistime, &partial, 5000); - - dev_dbg(&rio->rio_dev->dev, - "write stats: result:%d thistime:%lu partial:%u\n", - result, thistime, partial); - - if (result == -ETIMEDOUT) { /* NAK - so hold for a while */ - if (!maxretry--) { - errn = -ETIME; - goto error; - } - prepare_to_wait(&rio->wait_q, &wait, TASK_INTERRUPTIBLE); - schedule_timeout(NAK_TIMEOUT); - finish_wait(&rio->wait_q, &wait); - continue; - } else if (!result && partial) { - obuf += partial; - thistime -= partial; - } else - break; - } - if (result) { - dev_err(&rio->rio_dev->dev, "Write Whoops - %x\n", - result); - errn = -EIO; - goto error; - } - bytes_written += copy_size; - count -= copy_size; - buffer += copy_size; - } while (count > 0); - - mutex_unlock(&(rio->lock)); - - return bytes_written ? bytes_written : -EIO; - -error: - mutex_unlock(&(rio->lock)); - return errn; -} - -static ssize_t -read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos) -{ - DEFINE_WAIT(wait); - struct rio_usb_data *rio = &rio_instance; - ssize_t read_count; - unsigned int partial; - int this_read; - int result; - int maxretry = 10; - char *ibuf; - int intr; - - intr = mutex_lock_interruptible(&(rio->lock)); - if (intr) - return -EINTR; - /* Sanity check to make sure rio is connected, powered, etc */ - if (rio->present == 0 || rio->rio_dev == NULL) { - mutex_unlock(&(rio->lock)); - return -ENODEV; - } - - ibuf = rio->ibuf; - - read_count = 0; - - - while (count > 0) { - if (signal_pending(current)) { - mutex_unlock(&(rio->lock)); - return read_count ? read_count : -EINTR; - } - if (!rio->rio_dev) { - mutex_unlock(&(rio->lock)); - return -ENODEV; - } - this_read = (count >= IBUF_SIZE) ? IBUF_SIZE : count; - - result = usb_bulk_msg(rio->rio_dev, - usb_rcvbulkpipe(rio->rio_dev, 1), - ibuf, this_read, &partial, - 8000); - - dev_dbg(&rio->rio_dev->dev, - "read stats: result:%d this_read:%u partial:%u\n", - result, this_read, partial); - - if (partial) { - count = this_read = partial; - } else if (result == -ETIMEDOUT || result == 15) { /* FIXME: 15 ??? */ - if (!maxretry--) { - mutex_unlock(&(rio->lock)); - dev_err(&rio->rio_dev->dev, - "read_rio: maxretry timeout\n"); - return -ETIME; - } - prepare_to_wait(&rio->wait_q, &wait, TASK_INTERRUPTIBLE); - schedule_timeout(NAK_TIMEOUT); - finish_wait(&rio->wait_q, &wait); - continue; - } else if (result != -EREMOTEIO) { - mutex_unlock(&(rio->lock)); - dev_err(&rio->rio_dev->dev, - "Read Whoops - result:%u partial:%u this_read:%u\n", - result, partial, this_read); - return -EIO; - } else { - mutex_unlock(&(rio->lock)); - return (0); - } - - if (this_read) { - if (copy_to_user(buffer, ibuf, this_read)) { - mutex_unlock(&(rio->lock)); - return -EFAULT; - } - count -= this_read; - read_count += this_read; - buffer += this_read; - } - } - mutex_unlock(&(rio->lock)); - return read_count; -} - -static const struct file_operations usb_rio_fops = { - .owner = THIS_MODULE, - .read = read_rio, - .write = write_rio, - .unlocked_ioctl = ioctl_rio, - .open = open_rio, - .release = close_rio, - .llseek = noop_llseek, -}; - -static struct usb_class_driver usb_rio_class = { - .name = "rio500%d", - .fops = &usb_rio_fops, - .minor_base = RIO_MINOR, -}; - -static int probe_rio(struct usb_interface *intf, - const struct usb_device_id *id) -{ - struct usb_device *dev = interface_to_usbdev(intf); - struct rio_usb_data *rio = &rio_instance; - int retval; - - dev_info(&intf->dev, "USB Rio found at address %d\n", dev->devnum); - - retval = usb_register_dev(intf, &usb_rio_class); - if (retval) { - dev_err(&dev->dev, - "Not able to get a minor for this device.\n"); - return -ENOMEM; - } - - rio->rio_dev = dev; - - if (!(rio->obuf = kmalloc(OBUF_SIZE, GFP_KERNEL))) { - dev_err(&dev->dev, - "probe_rio: Not enough memory for the output buffer\n"); - usb_deregister_dev(intf, &usb_rio_class); - return -ENOMEM; - } - dev_dbg(&intf->dev, "obuf address:%p\n", rio->obuf); - - if (!(rio->ibuf = kmalloc(IBUF_SIZE, GFP_KERNEL))) { - dev_err(&dev->dev, - "probe_rio: Not enough memory for the input buffer\n"); - usb_deregister_dev(intf, &usb_rio_class); - kfree(rio->obuf); - return -ENOMEM; - } - dev_dbg(&intf->dev, "ibuf address:%p\n", rio->ibuf); - - mutex_init(&(rio->lock)); - - usb_set_intfdata (intf, rio); - rio->present = 1; - - return 0; -} - -static void disconnect_rio(struct usb_interface *intf) -{ - struct rio_usb_data *rio = usb_get_intfdata (intf); - - usb_set_intfdata (intf, NULL); - mutex_lock(&rio500_mutex); - if (rio) { - usb_deregister_dev(intf, &usb_rio_class); - - mutex_lock(&(rio->lock)); - if (rio->isopen) { - rio->isopen = 0; - /* better let it finish - the release will do whats needed */ - rio->rio_dev = NULL; - mutex_unlock(&(rio->lock)); - mutex_unlock(&rio500_mutex); - return; - } - kfree(rio->ibuf); - kfree(rio->obuf); - - dev_info(&intf->dev, "USB Rio disconnected.\n"); - - rio->present = 0; - mutex_unlock(&(rio->lock)); - } - mutex_unlock(&rio500_mutex); -} - -static const struct usb_device_id rio_table[] = { - { USB_DEVICE(0x0841, 1) }, /* Rio 500 */ - { } /* Terminating entry */ -}; - -MODULE_DEVICE_TABLE (usb, rio_table); - -static struct usb_driver rio_driver = { - .name = "rio500", - .probe = probe_rio, - .disconnect = disconnect_rio, - .id_table = rio_table, -}; - -module_usb_driver(rio_driver); - -MODULE_AUTHOR( DRIVER_AUTHOR ); -MODULE_DESCRIPTION( DRIVER_DESC ); -MODULE_LICENSE("GPL"); - diff --git a/drivers/usb/misc/rio500_usb.h b/drivers/usb/misc/rio500_usb.h deleted file mode 100644 index 359abc98e706..000000000000 --- a/drivers/usb/misc/rio500_usb.h +++ /dev/null @@ -1,37 +0,0 @@ -/* ---------------------------------------------------------------------- - - Copyright (C) 2000 Cesar Miquel (miquel@df.uba.ar) - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - - ---------------------------------------------------------------------- */ - - - -#define RIO_SEND_COMMAND 0x1 -#define RIO_RECV_COMMAND 0x2 - -#define RIO_DIR_OUT 0x0 -#define RIO_DIR_IN 0x1 - -struct RioCommand { - short length; - int request; - int requesttype; - int value; - int index; - void __user *buffer; - int timeout; -}; diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 306d6852ebc7..b9d50020c684 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -3103,6 +3103,13 @@ static int sisusb_probe(struct usb_interface *intf, mutex_init(&(sisusb->lock)); + sisusb->sisusb_dev = dev; + sisusb->vrambase = SISUSB_PCI_MEMBASE; + sisusb->mmiobase = SISUSB_PCI_MMIOBASE; + sisusb->mmiosize = SISUSB_PCI_MMIOSIZE; + sisusb->ioportbase = SISUSB_PCI_IOPORTBASE; + /* Everything else is zero */ + /* Register device */ retval = usb_register_dev(intf, &usb_sisusb_class); if (retval) { @@ -3112,13 +3119,7 @@ static int sisusb_probe(struct usb_interface *intf, goto error_1; } - sisusb->sisusb_dev = dev; - sisusb->minor = intf->minor; - sisusb->vrambase = SISUSB_PCI_MEMBASE; - sisusb->mmiobase = SISUSB_PCI_MMIOBASE; - sisusb->mmiosize = SISUSB_PCI_MMIOSIZE; - sisusb->ioportbase = SISUSB_PCI_IOPORTBASE; - /* Everything else is zero */ + sisusb->minor = intf->minor; /* Allocate buffers */ sisusb->ibufsize = SISUSB_IBUF_SIZE; diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c index 1184390508e9..c77974fab29d 100644 --- a/drivers/usb/misc/usblcd.c +++ b/drivers/usb/misc/usblcd.c @@ -17,6 +17,7 @@ #include <linux/slab.h> #include <linux/errno.h> #include <linux/mutex.h> +#include <linux/rwsem.h> #include <linux/uaccess.h> #include <linux/usb.h> @@ -56,6 +57,8 @@ struct usb_lcd { using up all RAM */ struct usb_anchor submitted; /* URBs to wait for before suspend */ + struct rw_semaphore io_rwsem; + unsigned long disconnected:1; }; #define to_lcd_dev(d) container_of(d, struct usb_lcd, kref) @@ -141,6 +144,13 @@ static ssize_t lcd_read(struct file *file, char __user * buffer, dev = file->private_data; + down_read(&dev->io_rwsem); + + if (dev->disconnected) { + retval = -ENODEV; + goto out_up_io; + } + /* do a blocking bulk read to get data from the device */ retval = usb_bulk_msg(dev->udev, usb_rcvbulkpipe(dev->udev, @@ -157,6 +167,9 @@ static ssize_t lcd_read(struct file *file, char __user * buffer, retval = bytes_read; } +out_up_io: + up_read(&dev->io_rwsem); + return retval; } @@ -236,11 +249,18 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, if (r < 0) return -EINTR; + down_read(&dev->io_rwsem); + + if (dev->disconnected) { + retval = -ENODEV; + goto err_up_io; + } + /* create a urb, and a buffer for it, and copy the data to the urb */ urb = usb_alloc_urb(0, GFP_KERNEL); if (!urb) { retval = -ENOMEM; - goto err_no_buf; + goto err_up_io; } buf = usb_alloc_coherent(dev->udev, count, GFP_KERNEL, @@ -277,6 +297,7 @@ static ssize_t lcd_write(struct file *file, const char __user * user_buffer, the USB core will eventually free it entirely */ usb_free_urb(urb); + up_read(&dev->io_rwsem); exit: return count; error_unanchor: @@ -284,7 +305,8 @@ error_unanchor: error: usb_free_coherent(dev->udev, count, buf, urb->transfer_dma); usb_free_urb(urb); -err_no_buf: +err_up_io: + up_read(&dev->io_rwsem); up(&dev->limit_sem); return retval; } @@ -327,6 +349,7 @@ static int lcd_probe(struct usb_interface *interface, } kref_init(&dev->kref); sema_init(&dev->limit_sem, USB_LCD_CONCURRENT_WRITES); + init_rwsem(&dev->io_rwsem); init_usb_anchor(&dev->submitted); dev->udev = usb_get_dev(interface_to_usbdev(interface)); @@ -437,6 +460,12 @@ static void lcd_disconnect(struct usb_interface *interface) /* give back our minor */ usb_deregister_dev(interface, &lcd_class); + down_write(&dev->io_rwsem); + dev->disconnected = 1; + up_write(&dev->io_rwsem); + + usb_kill_anchored_urbs(&dev->submitted); + /* decrement our usage count */ kref_put(&dev->kref, lcd_delete); diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 5594a4a4a83f..44c6ced5d442 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -64,6 +64,7 @@ struct usb_yurex { struct kref kref; struct mutex io_mutex; + unsigned long disconnected:1; struct fasync_struct *async_queue; wait_queue_head_t waitq; @@ -96,7 +97,6 @@ static void yurex_delete(struct kref *kref) dev_dbg(&dev->interface->dev, "%s\n", __func__); - usb_put_dev(dev->udev); if (dev->cntl_urb) { usb_kill_urb(dev->cntl_urb); kfree(dev->cntl_req); @@ -112,6 +112,8 @@ static void yurex_delete(struct kref *kref) dev->int_buffer, dev->urb->transfer_dma); usb_free_urb(dev->urb); } + usb_put_intf(dev->interface); + usb_put_dev(dev->udev); kfree(dev); } @@ -136,6 +138,7 @@ static void yurex_interrupt(struct urb *urb) switch (status) { case 0: /*success*/ break; + /* The device is terminated or messed up, give up */ case -EOVERFLOW: dev_err(&dev->interface->dev, "%s - overflow with length %d, actual length is %d\n", @@ -144,12 +147,13 @@ static void yurex_interrupt(struct urb *urb) case -ENOENT: case -ESHUTDOWN: case -EILSEQ: - /* The device is terminated, clean up */ + case -EPROTO: + case -ETIME: return; default: dev_err(&dev->interface->dev, "%s - unknown status received: %d\n", __func__, status); - goto exit; + return; } /* handle received message */ @@ -181,7 +185,6 @@ static void yurex_interrupt(struct urb *urb) break; } -exit: retval = usb_submit_urb(dev->urb, GFP_ATOMIC); if (retval) { dev_err(&dev->interface->dev, "%s - usb_submit_urb failed: %d\n", @@ -210,7 +213,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_ init_waitqueue_head(&dev->waitq); dev->udev = usb_get_dev(interface_to_usbdev(interface)); - dev->interface = interface; + dev->interface = usb_get_intf(interface); /* set up the endpoint information */ iface_desc = interface->cur_altsetting; @@ -332,8 +335,10 @@ static void yurex_disconnect(struct usb_interface *interface) usb_deregister_dev(interface, &yurex_class); /* prevent more I/O from starting */ + usb_poison_urb(dev->urb); + usb_poison_urb(dev->cntl_urb); mutex_lock(&dev->io_mutex); - dev->interface = NULL; + dev->disconnected = 1; mutex_unlock(&dev->io_mutex); /* wakeup waiters */ @@ -421,7 +426,7 @@ static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count, dev = file->private_data; mutex_lock(&dev->io_mutex); - if (!dev->interface) { /* already disconnected */ + if (dev->disconnected) { /* already disconnected */ mutex_unlock(&dev->io_mutex); return -ENODEV; } @@ -456,7 +461,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, goto error; mutex_lock(&dev->io_mutex); - if (!dev->interface) { /* already disconnected */ + if (dev->disconnected) { /* already disconnected */ mutex_unlock(&dev->io_mutex); retval = -ENODEV; goto error; diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index 251d123d9046..9f0b0bbe5767 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1035,12 +1035,18 @@ static long mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg mutex_lock(&rp->fetch_lock); spin_lock_irqsave(&rp->b_lock, flags); - mon_free_buff(rp->b_vec, rp->b_size/CHUNK_SIZE); - kfree(rp->b_vec); - rp->b_vec = vec; - rp->b_size = size; - rp->b_read = rp->b_in = rp->b_out = rp->b_cnt = 0; - rp->cnt_lost = 0; + if (rp->mmap_active) { + mon_free_buff(vec, size/CHUNK_SIZE); + kfree(vec); + ret = -EBUSY; + } else { + mon_free_buff(rp->b_vec, rp->b_size/CHUNK_SIZE); + kfree(rp->b_vec); + rp->b_vec = vec; + rp->b_size = size; + rp->b_read = rp->b_in = rp->b_out = rp->b_cnt = 0; + rp->cnt_lost = 0; + } spin_unlock_irqrestore(&rp->b_lock, flags); mutex_unlock(&rp->fetch_lock); } @@ -1212,13 +1218,21 @@ mon_bin_poll(struct file *file, struct poll_table_struct *wait) static void mon_bin_vma_open(struct vm_area_struct *vma) { struct mon_reader_bin *rp = vma->vm_private_data; + unsigned long flags; + + spin_lock_irqsave(&rp->b_lock, flags); rp->mmap_active++; + spin_unlock_irqrestore(&rp->b_lock, flags); } static void mon_bin_vma_close(struct vm_area_struct *vma) { + unsigned long flags; + struct mon_reader_bin *rp = vma->vm_private_data; + spin_lock_irqsave(&rp->b_lock, flags); rp->mmap_active--; + spin_unlock_irqrestore(&rp->b_lock, flags); } /* @@ -1230,16 +1244,12 @@ static int mon_bin_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) unsigned long offset, chunk_idx; struct page *pageptr; - mutex_lock(&rp->fetch_lock); offset = vmf->pgoff << PAGE_SHIFT; - if (offset >= rp->b_size) { - mutex_unlock(&rp->fetch_lock); + if (offset >= rp->b_size) return VM_FAULT_SIGBUS; - } chunk_idx = offset / CHUNK_SIZE; pageptr = rp->b_vec[chunk_idx].pg; get_page(pageptr); - mutex_unlock(&rp->fetch_lock); vmf->page = pageptr; return 0; } diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 3a81b4c4d0dd..c4e26f9f4ec5 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2132,6 +2132,9 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) musb_platform_disable(musb); musb_generic_disable(musb); + /* MUSB_POWER_SOFTCONN might be already set, JZ4740 does this. */ + musb_writeb(musb->mregs, MUSB_POWER, 0); + /* Init IRQ workqueue before request_irq */ INIT_WORK(&musb->irq_work, musb_irq_work); INIT_DELAYED_WORK(&musb->deassert_reset_work, musb_deassert_reset); diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index 7539c3188ffc..ffcc704165f7 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -398,7 +398,7 @@ struct dma_controller *musbhs_dma_controller_create(struct musb *musb, controller->controller.channel_abort = dma_channel_abort; if (request_irq(irq, dma_controller_irq, 0, - dev_name(musb->controller), &controller->controller)) { + dev_name(musb->controller), controller)) { dev_err(dev, "request_irq %d failed!\n", irq); musb_dma_controller_destroy(&controller->controller); diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index 8c5fc12ad778..8424c165f732 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -163,11 +163,12 @@ struct usbhs_priv; #define VBSTS (1 << 7) /* VBUS_0 and VBUSIN_0 Input Status */ #define VALID (1 << 3) /* USB Request Receive */ -#define DVSQ_MASK (0x3 << 4) /* Device State */ +#define DVSQ_MASK (0x7 << 4) /* Device State */ #define POWER_STATE (0 << 4) #define DEFAULT_STATE (1 << 4) #define ADDRESS_STATE (2 << 4) #define CONFIGURATION_STATE (3 << 4) +#define SUSPENDED_STATE (4 << 4) #define CTSQ_MASK (0x7) /* Control Transfer Stage */ #define IDLE_SETUP_STAGE 0 /* Idle stage or setup stage */ @@ -213,6 +214,7 @@ struct usbhs_priv; /* DCPCTR */ #define BSTS (1 << 15) /* Buffer Status */ #define SUREQ (1 << 14) /* Sending SETUP Token */ +#define INBUFM (1 << 14) /* (PIPEnCTR) Transfer Buffer Monitor */ #define CSSTS (1 << 12) /* CSSTS Status */ #define ACLRM (1 << 9) /* Buffer Auto-Clear Mode */ #define SQCLR (1 << 8) /* Toggle Bit Clear */ diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 6f37966ea54b..79efb367e5ce 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -98,7 +98,7 @@ static void __usbhsf_pkt_del(struct usbhs_pkt *pkt) list_del_init(&pkt->node); } -static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe) +struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe) { if (list_empty(&pipe->list)) return NULL; @@ -819,9 +819,8 @@ static int __usbhsf_dma_map_ctrl(struct usbhs_pkt *pkt, int map) } static void usbhsf_dma_complete(void *arg); -static void xfer_work(struct work_struct *work) +static void usbhsf_dma_xfer_preparing(struct usbhs_pkt *pkt) { - struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work); struct usbhs_pipe *pipe = pkt->pipe; struct usbhs_fifo *fifo; struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); @@ -829,12 +828,10 @@ static void xfer_work(struct work_struct *work) struct dma_chan *chan; struct device *dev = usbhs_priv_to_dev(priv); enum dma_transfer_direction dir; - unsigned long flags; - usbhs_lock(priv, flags); fifo = usbhs_pipe_to_fifo(pipe); if (!fifo) - goto xfer_work_end; + return; chan = usbhsf_dma_chan_get(fifo, pkt); dir = usbhs_pipe_is_dir_in(pipe) ? DMA_DEV_TO_MEM : DMA_MEM_TO_DEV; @@ -843,7 +840,7 @@ static void xfer_work(struct work_struct *work) pkt->trans, dir, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc) - goto xfer_work_end; + return; desc->callback = usbhsf_dma_complete; desc->callback_param = pipe; @@ -851,7 +848,7 @@ static void xfer_work(struct work_struct *work) pkt->cookie = dmaengine_submit(desc); if (pkt->cookie < 0) { dev_err(dev, "Failed to submit dma descriptor\n"); - goto xfer_work_end; + return; } dev_dbg(dev, " %s %d (%d/ %d)\n", @@ -862,8 +859,17 @@ static void xfer_work(struct work_struct *work) dma_async_issue_pending(chan); usbhsf_dma_start(pipe, fifo); usbhs_pipe_enable(pipe); +} + +static void xfer_work(struct work_struct *work) +{ + struct usbhs_pkt *pkt = container_of(work, struct usbhs_pkt, work); + struct usbhs_pipe *pipe = pkt->pipe; + struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); + unsigned long flags; -xfer_work_end: + usbhs_lock(priv, flags); + usbhsf_dma_xfer_preparing(pkt); usbhs_unlock(priv, flags); } @@ -916,8 +922,13 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) pkt->trans = len; usbhsf_tx_irq_ctrl(pipe, 0); - INIT_WORK(&pkt->work, xfer_work); - schedule_work(&pkt->work); + /* FIXME: Workaound for usb dmac that driver can be used in atomic */ + if (usbhs_get_dparam(priv, has_usb_dmac)) { + usbhsf_dma_xfer_preparing(pkt); + } else { + INIT_WORK(&pkt->work, xfer_work); + schedule_work(&pkt->work); + } return 0; @@ -1023,8 +1034,7 @@ static int usbhsf_dma_prepare_pop_with_usb_dmac(struct usbhs_pkt *pkt, pkt->trans = pkt->length; - INIT_WORK(&pkt->work, xfer_work); - schedule_work(&pkt->work); + usbhsf_dma_xfer_preparing(pkt); return 0; diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index c7d9b86d51bf..3640340e94d6 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -106,5 +106,6 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, void *buf, int len, int zero, int sequence); struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt); void usbhs_pkt_start(struct usbhs_pipe *pipe); +struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe); #endif /* RENESAS_USB_FIFO_H */ diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 8647d2c2a8c4..5731621984c6 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -467,12 +467,18 @@ static int usbhsg_irq_dev_state(struct usbhs_priv *priv, { struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv); struct device *dev = usbhsg_gpriv_to_dev(gpriv); + int state = usbhs_status_get_device_state(irq_state); gpriv->gadget.speed = usbhs_bus_get_speed(priv); - dev_dbg(dev, "state = %x : speed : %d\n", - usbhs_status_get_device_state(irq_state), - gpriv->gadget.speed); + dev_dbg(dev, "state = %x : speed : %d\n", state, gpriv->gadget.speed); + + if (gpriv->gadget.speed != USB_SPEED_UNKNOWN && + (state & SUSPENDED_STATE)) { + if (gpriv->driver && gpriv->driver->suspend) + gpriv->driver->suspend(&gpriv->gadget); + usb_gadget_set_state(&gpriv->gadget, USB_STATE_SUSPENDED); + } return 0; } @@ -641,14 +647,11 @@ static int usbhsg_ep_disable(struct usb_ep *ep) struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep); struct usbhs_pipe *pipe; unsigned long flags; - int ret = 0; spin_lock_irqsave(&uep->lock, flags); pipe = usbhsg_uep_to_pipe(uep); - if (!pipe) { - ret = -EINVAL; + if (!pipe) goto out; - } usbhsg_pipe_disable(uep); usbhs_pipe_free(pipe); @@ -734,8 +737,7 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge) struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv); struct device *dev = usbhsg_gpriv_to_dev(gpriv); unsigned long flags; - - usbhsg_pipe_disable(uep); + int ret = 0; dev_dbg(dev, "set halt %d (pipe %d)\n", halt, usbhs_pipe_number(pipe)); @@ -743,6 +745,18 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge) /******************** spin lock ********************/ usbhs_lock(priv, flags); + /* + * According to usb_ep_set_halt()'s description, this function should + * return -EAGAIN if the IN endpoint has any queue or data. Note + * that the usbhs_pipe_is_dir_in() returns false if the pipe is an + * IN endpoint in the gadget mode. + */ + if (!usbhs_pipe_is_dir_in(pipe) && (__usbhsf_pkt_get(pipe) || + usbhs_pipe_contains_transmittable_data(pipe))) { + ret = -EAGAIN; + goto out; + } + if (halt) usbhs_pipe_stall(pipe); else @@ -753,10 +767,11 @@ static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge) else usbhsg_status_clr(gpriv, USBHSG_STATUS_WEDGE); +out: usbhs_unlock(priv, flags); /******************** spin unlock ******************/ - return 0; + return ret; } static int usbhsg_ep_set_halt(struct usb_ep *ep, int value) diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index 4f9c3356127a..75fb41d4e9fc 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -279,6 +279,21 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe) return -EBUSY; } +bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe) +{ + u16 val; + + /* Do not support for DCP pipe */ + if (usbhs_pipe_is_dcp(pipe)) + return false; + + val = usbhsp_pipectrl_get(pipe); + if (val & INBUFM) + return true; + + return false; +} + /* * PID ctrl */ diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index b0bc7b603016..b7925d363bb4 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -89,6 +89,7 @@ void usbhs_pipe_init(struct usbhs_priv *priv, int usbhs_pipe_get_maxpacket(struct usbhs_pipe *pipe); void usbhs_pipe_clear(struct usbhs_pipe *pipe); int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe); +bool usbhs_pipe_contains_transmittable_data(struct usbhs_pipe *pipe); void usbhs_pipe_enable(struct usbhs_pipe *pipe); void usbhs_pipe_disable(struct usbhs_pipe *pipe); void usbhs_pipe_stall(struct usbhs_pipe *pipe); diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index f73ea14e8173..e8a8c4fa944f 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -555,9 +555,13 @@ static int ch341_tiocmget(struct tty_struct *tty) static int ch341_reset_resume(struct usb_serial *serial) { struct usb_serial_port *port = serial->port[0]; - struct ch341_private *priv = usb_get_serial_port_data(port); + struct ch341_private *priv; int ret; + priv = usb_get_serial_port_data(port); + if (!priv) + return 0; + /* reconfigure ch341 serial port after bus-reset */ ch341_configure(serial->dev, priv); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index b317594a6342..205f31200264 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -76,6 +76,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x804E) }, /* Software Bisque Paramount ME build-in converter */ { USB_DEVICE(0x10C4, 0x8053) }, /* Enfora EDG1228 */ { USB_DEVICE(0x10C4, 0x8054) }, /* Enfora GSM2228 */ + { USB_DEVICE(0x10C4, 0x8056) }, /* Lorenz Messtechnik devices */ { USB_DEVICE(0x10C4, 0x8066) }, /* Argussoft In-System Programmer */ { USB_DEVICE(0x10C4, 0x806F) }, /* IMS USB to RS422 Converter Cable */ { USB_DEVICE(0x10C4, 0x807A) }, /* Crumb128 board */ @@ -120,6 +121,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ { USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */ { USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */ + { USB_DEVICE(0x10C4, 0x83AA) }, /* Mark-10 Digital Force Gauge */ { USB_DEVICE(0x10C4, 0x83D8) }, /* DekTec DTA Plus VHF/UHF Booster/Attenuator */ { USB_DEVICE(0x10C4, 0x8411) }, /* Kyocera GPS Module */ { USB_DEVICE(0x10C4, 0x8418) }, /* IRZ Automation Teleport SG-10 GSM/GPRS Modem */ diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index 244acb1299a9..e92cd1eceefa 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -773,7 +773,7 @@ send: usb_fill_int_urb(port->interrupt_out_urb, port->serial->dev, usb_sndintpipe(port->serial->dev, port->interrupt_out_endpointAddress), - port->interrupt_out_buffer, port->interrupt_out_size, + port->interrupt_out_buffer, actual_size, cypress_write_int_callback, port, priv->write_urb_interval); result = usb_submit_urb(port->interrupt_out_urb, GFP_ATOMIC); if (result) { diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 4287e2b1c175..8388f88ce635 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -604,6 +604,8 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, @@ -1022,6 +1024,13 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(AIRBUS_DS_VID, AIRBUS_DS_P8GR) }, /* EZPrototypes devices */ { USB_DEVICE(EZPROTOTYPES_VID, HJELMSLUND_USB485_ISO_PID) }, + { USB_DEVICE_INTERFACE_NUMBER(UNJO_VID, UNJO_ISODEBUG_V1_PID, 1) }, + /* Sienna devices */ + { USB_DEVICE(FTDI_VID, FTDI_SIENNA_PID) }, + { USB_DEVICE(ECHELON_VID, ECHELON_U20_PID) }, + /* U-Blox devices */ + { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ZED_PID) }, + { USB_DEVICE(UBLOX_VID, UBLOX_C099F9P_ODIN_PID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index ddf5ab983dc9..32a40ab9a385 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -38,6 +38,9 @@ #define FTDI_LUMEL_PD12_PID 0x6002 +/* Sienna Serial Interface by Secyourit GmbH */ +#define FTDI_SIENNA_PID 0x8348 + /* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */ #define CYBER_CORTEX_AV_PID 0x8698 @@ -566,7 +569,9 @@ /* * NovaTech product ids (FTDI_VID) */ -#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ +#define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ +#define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */ +#define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */ /* * Synapse Wireless product ids (FTDI_VID) @@ -686,6 +691,12 @@ #define BANDB_ZZ_PROG1_USB_PID 0xBA02 /* + * Echelon USB Serial Interface + */ +#define ECHELON_VID 0x0920 +#define ECHELON_U20_PID 0x7500 + +/* * Intrepid Control Systems (http://www.intrepidcs.com/) ValueCAN and NeoVI */ #define INTREPID_VID 0x093C @@ -1540,3 +1551,16 @@ #define CHETCO_SEASMART_DISPLAY_PID 0xA5AD /* SeaSmart NMEA2000 Display */ #define CHETCO_SEASMART_LITE_PID 0xA5AE /* SeaSmart Lite USB Adapter */ #define CHETCO_SEASMART_ANALOG_PID 0xA5AF /* SeaSmart Analog Adapter */ + +/* + * Unjo AB + */ +#define UNJO_VID 0x22B7 +#define UNJO_ISODEBUG_V1_PID 0x150D + +/* + * U-Blox products (http://www.u-blox.com). + */ +#define UBLOX_VID 0x1546 +#define UBLOX_C099F9P_ZED_PID 0x0502 +#define UBLOX_C099F9P_ODIN_PID 0x0503 diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 54e170dd3dad..faead4f32b1c 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -350,39 +350,59 @@ void usb_serial_generic_read_bulk_callback(struct urb *urb) struct usb_serial_port *port = urb->context; unsigned char *data = urb->transfer_buffer; unsigned long flags; + bool stopped = false; + int status = urb->status; int i; for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) { if (urb == port->read_urbs[i]) break; } - set_bit(i, &port->read_urbs_free); dev_dbg(&port->dev, "%s - urb %d, len %d\n", __func__, i, urb->actual_length); - switch (urb->status) { + switch (status) { case 0: + usb_serial_debug_data(&port->dev, __func__, urb->actual_length, + data); + port->serial->type->process_read_urb(urb); break; case -ENOENT: case -ECONNRESET: case -ESHUTDOWN: dev_dbg(&port->dev, "%s - urb stopped: %d\n", - __func__, urb->status); - return; + __func__, status); + stopped = true; + break; case -EPIPE: dev_err(&port->dev, "%s - urb stopped: %d\n", - __func__, urb->status); - return; + __func__, status); + stopped = true; + break; default: dev_dbg(&port->dev, "%s - nonzero urb status: %d\n", - __func__, urb->status); - goto resubmit; + __func__, status); + break; } - usb_serial_debug_data(&port->dev, __func__, urb->actual_length, data); - port->serial->type->process_read_urb(urb); + /* + * Make sure URB processing is done before marking as free to avoid + * racing with unthrottle() on another CPU. Matches the barriers + * implied by the test_and_clear_bit() in + * usb_serial_generic_submit_read_urb(). + */ + smp_mb__before_atomic(); + set_bit(i, &port->read_urbs_free); + /* + * Make sure URB is marked as free before checking the throttled flag + * to avoid racing with unthrottle() on another CPU. Matches the + * smp_mb() in unthrottle(). + */ + smp_mb__after_atomic(); + + if (stopped) + return; -resubmit: /* Throttle the device if requested by tty */ spin_lock_irqsave(&port->lock, flags); port->throttled = port->throttle_req; @@ -399,6 +419,7 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb) { unsigned long flags; struct usb_serial_port *port = urb->context; + int status = urb->status; int i; for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) { @@ -410,22 +431,22 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb) set_bit(i, &port->write_urbs_free); spin_unlock_irqrestore(&port->lock, flags); - switch (urb->status) { + switch (status) { case 0: break; case -ENOENT: case -ECONNRESET: case -ESHUTDOWN: dev_dbg(&port->dev, "%s - urb stopped: %d\n", - __func__, urb->status); + __func__, status); return; case -EPIPE: dev_err_console(port, "%s - urb stopped: %d\n", - __func__, urb->status); + __func__, status); return; default: dev_err_console(port, "%s - nonzero urb status: %d\n", - __func__, urb->status); + __func__, status); goto resubmit; } @@ -456,6 +477,12 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty) port->throttled = port->throttle_req = 0; spin_unlock_irq(&port->lock); + /* + * Matches the smp_mb__after_atomic() in + * usb_serial_generic_read_bulk_callback(). + */ + smp_mb(); + if (was_throttled) usb_serial_generic_submit_read_urbs(port, GFP_KERNEL); } diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 6947985ccfb0..75c60e74438d 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -572,6 +572,7 @@ static void edge_interrupt_callback(struct urb *urb) struct usb_serial_port *port; unsigned char *data = urb->transfer_buffer; int length = urb->actual_length; + unsigned long flags; int bytes_avail; int position; int txCredits; @@ -603,7 +604,7 @@ static void edge_interrupt_callback(struct urb *urb) if (length > 1) { bytes_avail = data[0] | (data[1] << 8); if (bytes_avail) { - spin_lock(&edge_serial->es_lock); + spin_lock_irqsave(&edge_serial->es_lock, flags); edge_serial->rxBytesAvail += bytes_avail; dev_dbg(dev, "%s - bytes_avail=%d, rxBytesAvail=%d, read_in_progress=%d\n", @@ -626,7 +627,8 @@ static void edge_interrupt_callback(struct urb *urb) edge_serial->read_in_progress = false; } } - spin_unlock(&edge_serial->es_lock); + spin_unlock_irqrestore(&edge_serial->es_lock, + flags); } } /* grab the txcredits for the ports if available */ @@ -638,10 +640,12 @@ static void edge_interrupt_callback(struct urb *urb) if (txCredits) { port = edge_serial->serial->port[portNumber]; edge_port = usb_get_serial_port_data(port); - if (edge_port->open) { - spin_lock(&edge_port->ep_lock); + if (edge_port && edge_port->open) { + spin_lock_irqsave(&edge_port->ep_lock, + flags); edge_port->txCredits += txCredits; - spin_unlock(&edge_port->ep_lock); + spin_unlock_irqrestore(&edge_port->ep_lock, + flags); dev_dbg(dev, "%s - txcredits for port%d = %d\n", __func__, portNumber, edge_port->txCredits); @@ -682,6 +686,7 @@ static void edge_bulk_in_callback(struct urb *urb) int retval; __u16 raw_data_length; int status = urb->status; + unsigned long flags; if (status) { dev_dbg(&urb->dev->dev, "%s - nonzero read bulk status received: %d\n", @@ -701,7 +706,7 @@ static void edge_bulk_in_callback(struct urb *urb) usb_serial_debug_data(dev, __func__, raw_data_length, data); - spin_lock(&edge_serial->es_lock); + spin_lock_irqsave(&edge_serial->es_lock, flags); /* decrement our rxBytes available by the number that we just got */ edge_serial->rxBytesAvail -= raw_data_length; @@ -725,7 +730,7 @@ static void edge_bulk_in_callback(struct urb *urb) edge_serial->read_in_progress = false; } - spin_unlock(&edge_serial->es_lock); + spin_unlock_irqrestore(&edge_serial->es_lock, flags); } @@ -1666,7 +1671,8 @@ static void edge_break(struct tty_struct *tty, int break_state) static void process_rcvd_data(struct edgeport_serial *edge_serial, unsigned char *buffer, __u16 bufferLength) { - struct device *dev = &edge_serial->serial->dev->dev; + struct usb_serial *serial = edge_serial->serial; + struct device *dev = &serial->dev->dev; struct usb_serial_port *port; struct edgeport_port *edge_port; __u16 lastBufferLength; @@ -1771,11 +1777,10 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial, /* spit this data back into the tty driver if this port is open */ - if (rxLen) { - port = edge_serial->serial->port[ - edge_serial->rxPort]; + if (rxLen && edge_serial->rxPort < serial->num_ports) { + port = serial->port[edge_serial->rxPort]; edge_port = usb_get_serial_port_data(port); - if (edge_port->open) { + if (edge_port && edge_port->open) { dev_dbg(dev, "%s - Sending %d bytes to TTY for port %d\n", __func__, rxLen, edge_serial->rxPort); @@ -1783,8 +1788,8 @@ static void process_rcvd_data(struct edgeport_serial *edge_serial, rxLen); edge_port->port->icount.rx += rxLen; } - buffer += rxLen; } + buffer += rxLen; break; case EXPECT_HDR3: /* Expect 3rd byte of status header */ @@ -1819,6 +1824,8 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial, __u8 code = edge_serial->rxStatusCode; /* switch the port pointer to the one being currently talked about */ + if (edge_serial->rxPort >= edge_serial->serial->num_ports) + return; port = edge_serial->serial->port[edge_serial->rxPort]; edge_port = usb_get_serial_port_data(port); if (edge_port == NULL) { @@ -2859,16 +2866,18 @@ static int edge_startup(struct usb_serial *serial) response = 0; if (edge_serial->is_epic) { + struct usb_host_interface *alt; + + alt = serial->interface->cur_altsetting; + /* EPIC thing, set up our interrupt polling now and our read * urb, so that the device knows it really is connected. */ interrupt_in_found = bulk_in_found = bulk_out_found = false; - for (i = 0; i < serial->interface->altsetting[0] - .desc.bNumEndpoints; ++i) { + for (i = 0; i < alt->desc.bNumEndpoints; ++i) { struct usb_endpoint_descriptor *endpoint; int buffer_size; - endpoint = &serial->interface->altsetting[0]. - endpoint[i].desc; + endpoint = &alt->endpoint[i].desc; buffer_size = usb_endpoint_maxp(endpoint); if (!interrupt_in_found && (usb_endpoint_is_int_in(endpoint))) { diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index 73956d48a0c5..1347c77facd0 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -49,9 +49,10 @@ static int buffer_size; static int xbof = -1; static int ir_startup (struct usb_serial *serial); -static int ir_open(struct tty_struct *tty, struct usb_serial_port *port); -static int ir_prepare_write_buffer(struct usb_serial_port *port, - void *dest, size_t size); +static int ir_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count); +static int ir_write_room(struct tty_struct *tty); +static void ir_write_bulk_callback(struct urb *urb); static void ir_process_read_urb(struct urb *urb); static void ir_set_termios(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old_termios); @@ -81,8 +82,9 @@ static struct usb_serial_driver ir_device = { .num_ports = 1, .set_termios = ir_set_termios, .attach = ir_startup, - .open = ir_open, - .prepare_write_buffer = ir_prepare_write_buffer, + .write = ir_write, + .write_room = ir_write_room, + .write_bulk_callback = ir_write_bulk_callback, .process_read_urb = ir_process_read_urb, }; @@ -198,6 +200,9 @@ static int ir_startup(struct usb_serial *serial) { struct usb_irda_cs_descriptor *irda_desc; + if (serial->num_bulk_in < 1 || serial->num_bulk_out < 1) + return -ENODEV; + irda_desc = irda_usb_find_class_desc(serial, 0); if (!irda_desc) { dev_err(&serial->dev->dev, @@ -252,35 +257,102 @@ static int ir_startup(struct usb_serial *serial) return 0; } -static int ir_open(struct tty_struct *tty, struct usb_serial_port *port) +static int ir_write(struct tty_struct *tty, struct usb_serial_port *port, + const unsigned char *buf, int count) { - int i; + struct urb *urb = NULL; + unsigned long flags; + int ret; - for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) - port->write_urbs[i]->transfer_flags = URB_ZERO_PACKET; + if (port->bulk_out_size == 0) + return -EINVAL; - /* Start reading from the device */ - return usb_serial_generic_open(tty, port); -} + if (count == 0) + return 0; -static int ir_prepare_write_buffer(struct usb_serial_port *port, - void *dest, size_t size) -{ - unsigned char *buf = dest; - int count; + count = min(count, port->bulk_out_size - 1); + + spin_lock_irqsave(&port->lock, flags); + if (__test_and_clear_bit(0, &port->write_urbs_free)) { + urb = port->write_urbs[0]; + port->tx_bytes += count; + } + spin_unlock_irqrestore(&port->lock, flags); + + if (!urb) + return 0; /* * The first byte of the packet we send to the device contains an - * inbound header which indicates an additional number of BOFs and + * outbound header which indicates an additional number of BOFs and * a baud rate change. * * See section 5.4.2.2 of the USB IrDA spec. */ - *buf = ir_xbof | ir_baud; + *(u8 *)urb->transfer_buffer = ir_xbof | ir_baud; + + memcpy(urb->transfer_buffer + 1, buf, count); + + urb->transfer_buffer_length = count + 1; + urb->transfer_flags = URB_ZERO_PACKET; + + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) { + dev_err(&port->dev, "failed to submit write urb: %d\n", ret); + + spin_lock_irqsave(&port->lock, flags); + __set_bit(0, &port->write_urbs_free); + port->tx_bytes -= count; + spin_unlock_irqrestore(&port->lock, flags); + + return ret; + } + + return count; +} + +static void ir_write_bulk_callback(struct urb *urb) +{ + struct usb_serial_port *port = urb->context; + int status = urb->status; + unsigned long flags; + + spin_lock_irqsave(&port->lock, flags); + __set_bit(0, &port->write_urbs_free); + port->tx_bytes -= urb->transfer_buffer_length - 1; + spin_unlock_irqrestore(&port->lock, flags); + + switch (status) { + case 0: + break; + case -ENOENT: + case -ECONNRESET: + case -ESHUTDOWN: + dev_dbg(&port->dev, "write urb stopped: %d\n", status); + return; + case -EPIPE: + dev_err(&port->dev, "write urb stopped: %d\n", status); + return; + default: + dev_err(&port->dev, "nonzero write-urb status: %d\n", status); + break; + } + + usb_serial_port_softint(port); +} + +static int ir_write_room(struct tty_struct *tty) +{ + struct usb_serial_port *port = tty->driver_data; + int count = 0; + + if (port->bulk_out_size == 0) + return 0; + + if (test_bit(0, &port->write_urbs_free)) + count = port->bulk_out_size - 1; - count = kfifo_out_locked(&port->write_fifo, buf + 1, size - 1, - &port->lock); - return count + 1; + return count; } static void ir_process_read_urb(struct urb *urb) @@ -333,34 +405,34 @@ static void ir_set_termios(struct tty_struct *tty, switch (baud) { case 2400: - ir_baud = USB_IRDA_BR_2400; + ir_baud = USB_IRDA_LS_2400; break; case 9600: - ir_baud = USB_IRDA_BR_9600; + ir_baud = USB_IRDA_LS_9600; break; case 19200: - ir_baud = USB_IRDA_BR_19200; + ir_baud = USB_IRDA_LS_19200; break; case 38400: - ir_baud = USB_IRDA_BR_38400; + ir_baud = USB_IRDA_LS_38400; break; case 57600: - ir_baud = USB_IRDA_BR_57600; + ir_baud = USB_IRDA_LS_57600; break; case 115200: - ir_baud = USB_IRDA_BR_115200; + ir_baud = USB_IRDA_LS_115200; break; case 576000: - ir_baud = USB_IRDA_BR_576000; + ir_baud = USB_IRDA_LS_576000; break; case 1152000: - ir_baud = USB_IRDA_BR_1152000; + ir_baud = USB_IRDA_LS_1152000; break; case 4000000: - ir_baud = USB_IRDA_BR_4000000; + ir_baud = USB_IRDA_LS_4000000; break; default: - ir_baud = USB_IRDA_BR_9600; + ir_baud = USB_IRDA_LS_9600; baud = 9600; } diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 7faa901ee47f..a79e9adf4e53 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -565,6 +565,8 @@ static void usa49_glocont_callback(struct urb *urb) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + continue; if (p_priv->resend_cont) { dev_dbg(&port->dev, "%s - sending setup\n", __func__); @@ -962,6 +964,8 @@ static void usa67_glocont_callback(struct urb *urb) for (i = 0; i < serial->num_ports; ++i) { port = serial->port[i]; p_priv = usb_get_serial_port_data(port); + if (!p_priv) + continue; if (p_priv->resend_cont) { dev_dbg(&port->dev, "%s - sending setup\n", __func__); @@ -1249,8 +1253,8 @@ static struct urb *keyspan_setup_urb(struct usb_serial *serial, int endpoint, ep_desc = find_ep(serial, endpoint); if (!ep_desc) { - /* leak the urb, something's wrong and the callers don't care */ - return urb; + usb_free_urb(urb); + return NULL; } if (usb_endpoint_xfer_int(ep_desc)) { ep_type_name = "INT"; diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 4581fa1dec98..1927f41ccafc 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -368,8 +368,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, if (!urbtrack) return -ENOMEM; - kref_get(&mos_parport->ref_count); - urbtrack->mos_parport = mos_parport; urbtrack->urb = usb_alloc_urb(0, GFP_ATOMIC); if (!urbtrack->urb) { kfree(urbtrack); @@ -390,6 +388,8 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, usb_sndctrlpipe(usbdev, 0), (unsigned char *)urbtrack->setup, NULL, 0, async_complete, urbtrack); + kref_get(&mos_parport->ref_count); + urbtrack->mos_parport = mos_parport; kref_init(&urbtrack->ref_count); INIT_LIST_HEAD(&urbtrack->urblist_entry); @@ -1941,10 +1941,6 @@ static int mos7720_startup(struct usb_serial *serial) } } - /* setting configuration feature to one */ - usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5000); - #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT if (product == MOSCHIP_DEVICE_ID_7715) { ret_val = mos7715_parport_init(serial); diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 58ba6904a087..4add6bc38d64 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -131,11 +131,15 @@ /* This driver also supports * ATEN UC2324 device using Moschip MCS7840 * ATEN UC2322 device using Moschip MCS7820 + * MOXA UPort 2210 device using Moschip MCS7820 */ #define USB_VENDOR_ID_ATENINTL 0x0557 #define ATENINTL_DEVICE_ID_UC2324 0x2011 #define ATENINTL_DEVICE_ID_UC2322 0x7820 +#define USB_VENDOR_ID_MOXA 0x110a +#define MOXA_DEVICE_ID_2210 0x2210 + /* Interrupt Routine Defines */ #define SERIAL_IIR_RLS 0x06 @@ -206,6 +210,7 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4)}, {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)}, {USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2322)}, + {USB_DEVICE(USB_VENDOR_ID_MOXA, MOXA_DEVICE_ID_2210)}, {} /* terminating entry */ }; MODULE_DEVICE_TABLE(usb, id_table); @@ -2089,6 +2094,7 @@ static int mos7840_probe(struct usb_serial *serial, const struct usb_device_id *id) { u16 product = le16_to_cpu(serial->dev->descriptor.idProduct); + u16 vid = le16_to_cpu(serial->dev->descriptor.idVendor); u8 *buf; int device_type; @@ -2098,6 +2104,11 @@ static int mos7840_probe(struct usb_serial *serial, goto out; } + if (vid == USB_VENDOR_ID_MOXA && product == MOXA_DEVICE_ID_2210) { + device_type = MOSCHIP_DEVICE_ID_7820; + goto out; + } + buf = kzalloc(VENDOR_READ_LENGTH, GFP_KERNEL); if (!buf) return -ENOMEM; @@ -2350,11 +2361,6 @@ out: goto error; } else dev_dbg(&port->dev, "ZLP_REG5 Writing success status%d\n", status); - - /* setting configuration feature to one */ - usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - 0x03, 0x00, 0x01, 0x00, NULL, 0x00, - MOS_WDR_TIMEOUT); } return 0; error: diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index 64bf258e7e00..9606dde3194c 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -116,7 +116,7 @@ static int send_control_msg(struct usb_serial_port *port, u8 requesttype, retval = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), requesttype, USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, - 0, 0, buffer, 1, 0); + 0, 0, buffer, 1, USB_CTRL_SET_TIMEOUT); kfree(buffer); if (retval < 0) diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index b2b7c12e5c86..5ea4cd10abc7 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -200,6 +200,7 @@ static void option_instat_callback(struct urb *urb); #define DELL_PRODUCT_5804_MINICARD_ATT 0x819b /* Novatel E371 */ #define DELL_PRODUCT_5821E 0x81d7 +#define DELL_PRODUCT_5821E_ESIM 0x81e0 #define KYOCERA_VENDOR_ID 0x0c88 #define KYOCERA_PRODUCT_KPC650 0x17da @@ -421,6 +422,7 @@ static void option_instat_callback(struct urb *urb); #define CINTERION_PRODUCT_PH8_AUDIO 0x0083 #define CINTERION_PRODUCT_AHXX_2RMNET 0x0084 #define CINTERION_PRODUCT_AHXX_AUDIO 0x0085 +#define CINTERION_PRODUCT_CLS8 0x00b0 /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c @@ -564,6 +566,9 @@ static void option_instat_callback(struct urb *urb); /* Interface is reserved */ #define RSVD(ifnum) ((BIT(ifnum) & 0xff) << 0) +/* Device needs ZLP */ +#define ZLP BIT(17) + static const struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, @@ -967,6 +972,11 @@ 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) }, @@ -1037,6 +1047,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5804_MINICARD_ATT, 0xff, 0xff, 0xff) }, { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5821E), .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, + { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5821E_ESIM), + .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */ { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) }, @@ -1066,7 +1078,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(3) }, { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */ - { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ + { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000), /* SIMCom SIM5218 */ + .driver_info = NCTRL(0) | NCTRL(1) | NCTRL(2) | NCTRL(3) | RSVD(4) }, /* Quectel products using Qualcomm vendor ID */ { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)}, { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20), @@ -1143,12 +1156,22 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff), .driver_info = RSVD(0) | RSVD(1) | NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1050, 0xff), /* Telit FN980 (rmnet) */ + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1051, 0xff), /* Telit FN980 (MBIM) */ + .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1052, 0xff), /* Telit FN980 (RNDIS) */ + .driver_info = NCTRL(2) | RSVD(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1053, 0xff), /* Telit FN980 (ECM) */ + .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), .driver_info = NCTRL(0) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1102, 0xff), /* Telit ME910 (ECM) */ .driver_info = NCTRL(0) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x110a, 0xff), /* Telit ME910G1 */ + .driver_info = NCTRL(0) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE910_USBCFG4), @@ -1165,10 +1188,16 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x1260), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x1261), + .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1900), /* Telit LN940 (QMI) */ .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */ .driver_info = NCTRL(0) }, + { USB_DEVICE(TELIT_VENDOR_ID, 0x9010), /* Telit SBL FN980 flashing device */ + .driver_info = NCTRL(0) | ZLP }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = RSVD(1) }, @@ -1333,6 +1362,7 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0601, 0xff) }, /* GosunCn ZTE WeLink ME3630 (RNDIS mode) */ { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0602, 0xff) }, /* GosunCn ZTE WeLink ME3630 (MBIM mode) */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff), .driver_info = RSVD(4) }, @@ -1538,6 +1568,7 @@ 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) }, @@ -1766,6 +1797,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E), .driver_info = RSVD(5) | RSVD(6) }, { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */ + { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9011, 0xff), /* Simcom SIM7500/SIM7600 RNDIS mode */ + .driver_info = RSVD(7) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) }, { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D), @@ -1828,6 +1861,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = RSVD(4) }, { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_2RMNET, 0xff) }, { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) }, + { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_CLS8, 0xff), + .driver_info = RSVD(0) | RSVD(4) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, @@ -1941,10 +1976,16 @@ 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_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, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ + { 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) }, { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) }, @@ -1956,6 +1997,10 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x13) }, { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x14) }, { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x1b) }, + { USB_DEVICE(0x0489, 0xe0b4), /* Foxconn T77W968 */ + .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, + { USB_DEVICE(0x0489, 0xe0b5), /* Foxconn T77W968 ESIM */ + .driver_info = RSVD(0) | RSVD(1) | RSVD(6) }, { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 */ .driver_info = RSVD(4) | RSVD(5) | RSVD(6) }, { USB_DEVICE(0x2cb7, 0x0104), /* Fibocom NL678 series */ @@ -2057,6 +2102,9 @@ static int option_attach(struct usb_serial *serial) if (!(device_flags & NCTRL(iface_desc->bInterfaceNumber))) data->use_send_setup = 1; + if (device_flags & ZLP) + data->use_zlp = 1; + spin_lock_init(&data->susp_lock); usb_set_serial_data(serial, data); diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 9706d214c409..8fd5e19846ef 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -101,6 +101,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, + { USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index d84c3b3d477b..496cbccbf26c 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -159,3 +159,6 @@ #define SMART_VENDOR_ID 0x0b8c #define SMART_PRODUCT_ID 0x2303 +/* Allied Telesis VT-Kit3 */ +#define AT_VENDOR_ID 0x0caa +#define AT_VTKIT3_PRODUCT_ID 0x3001 diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index af0c87276299..82f28192694f 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -872,7 +872,10 @@ static void qt2_update_msr(struct usb_serial_port *port, unsigned char *ch) u8 newMSR = (u8) *ch; unsigned long flags; + /* May be called from qt2_process_read_urb() for an unbound port. */ port_priv = usb_get_serial_port_data(port); + if (!port_priv) + return; spin_lock_irqsave(&port_priv->lock, flags); port_priv->shadowMSR = newMSR; @@ -900,7 +903,10 @@ static void qt2_update_lsr(struct usb_serial_port *port, unsigned char *ch) unsigned long flags; u8 newLSR = (u8) *ch; + /* May be called from qt2_process_read_urb() for an unbound port. */ port_priv = usb_get_serial_port_data(port); + if (!port_priv) + return; if (newLSR & UART_LSR_BI) newLSR &= (u8) (UART_LSR_OE | UART_LSR_BI); diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index fe7f5ace6064..a33acb8c16d3 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -542,7 +542,6 @@ static void ti_close(struct usb_serial_port *port) struct ti_port *tport; int port_number; int status; - int do_unlock; unsigned long flags; tdev = usb_get_serial_data(port->serial); @@ -569,16 +568,13 @@ static void ti_close(struct usb_serial_port *port) "%s - cannot send close port command, %d\n" , __func__, status); - /* if mutex_lock is interrupted, continue anyway */ - do_unlock = !mutex_lock_interruptible(&tdev->td_open_close_lock); + mutex_lock(&tdev->td_open_close_lock); --tport->tp_tdev->td_open_port_count; - if (tport->tp_tdev->td_open_port_count <= 0) { + if (tport->tp_tdev->td_open_port_count == 0) { /* last port is closed, shut down interrupt urb */ usb_kill_urb(port->serial->port[0]->interrupt_in_urb); - tport->tp_tdev->td_open_port_count = 0; } - if (do_unlock) - mutex_unlock(&tdev->td_open_close_lock); + mutex_unlock(&tdev->td_open_close_lock); } diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index 511242111403..15e05ebf37ac 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -89,6 +89,8 @@ DEVICE(moto_modem, MOTO_IDS); #define MOTOROLA_TETRA_IDS() \ { USB_DEVICE(0x0cad, 0x9011) }, /* Motorola Solutions TETRA PEI */ \ { USB_DEVICE(0x0cad, 0x9012) }, /* MTP6550 */ \ + { USB_DEVICE(0x0cad, 0x9013) }, /* MTP3xxx */ \ + { USB_DEVICE(0x0cad, 0x9015) }, /* MTP85xx */ \ { USB_DEVICE(0x0cad, 0x9016) } /* TPG2200 */ DEVICE(motorola_tetra, MOTOROLA_TETRA_IDS); diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index e7e29c797824..25bee7aba690 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -314,10 +314,7 @@ static void serial_cleanup(struct tty_struct *tty) serial = port->serial; owner = serial->type->driver.owner; - mutex_lock(&serial->disc_mutex); - if (!serial->disconnected) - usb_autopm_put_interface(serial->interface); - mutex_unlock(&serial->disc_mutex); + usb_autopm_put_interface(serial->interface); usb_serial_put(serial); module_put(owner); @@ -1353,6 +1350,9 @@ static int usb_serial_register(struct usb_serial_driver *driver) return -EINVAL; } + /* Prevent individual ports from being unbound. */ + driver->driver.suppress_bind_attrs = true; + usb_serial_operations_init(driver); /* Add this device to our list of devices */ diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h index 44b25c08c68a..1d0e28538346 100644 --- a/drivers/usb/serial/usb-wwan.h +++ b/drivers/usb/serial/usb-wwan.h @@ -35,6 +35,7 @@ struct usb_wwan_intf_private { spinlock_t susp_lock; unsigned int suspended:1; unsigned int use_send_setup:1; + unsigned int use_zlp:1; int in_flight; unsigned int open_ports; void *private; diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index be9cb61b4d19..485bad73b6ed 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -495,6 +495,7 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port, void (*callback) (struct urb *)) { struct usb_serial *serial = port->serial; + struct usb_wwan_intf_private *intfdata = usb_get_serial_data(serial); struct urb *urb; urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ @@ -505,6 +506,9 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port, usb_sndbulkpipe(serial->dev, endpoint) | dir, buf, len, callback, ctx); + if (intfdata->use_zlp && dir == USB_DIR_OUT) + urb->transfer_flags |= URB_ZERO_PACKET; + return urb; } diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index d3ea90bef84d..345211f1a491 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -604,6 +604,10 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, command_port = port->serial->port[COMMAND_PORT]; command_info = usb_get_serial_port_data(command_port); + + if (command_port->bulk_out_size < datasize + 1) + return -EIO; + mutex_lock(&command_info->mutex); command_info->command_finished = false; @@ -677,6 +681,7 @@ static void firm_setup_port(struct tty_struct *tty) struct device *dev = &port->dev; struct whiteheat_port_settings port_settings; unsigned int cflag = tty->termios.c_cflag; + speed_t baud; port_settings.port = port->port_number + 1; @@ -737,11 +742,13 @@ static void firm_setup_port(struct tty_struct *tty) dev_dbg(dev, "%s - XON = %2x, XOFF = %2x\n", __func__, port_settings.xon, port_settings.xoff); /* get the baud rate wanted */ - port_settings.baud = tty_get_baud_rate(tty); - dev_dbg(dev, "%s - baud rate = %d\n", __func__, port_settings.baud); + baud = tty_get_baud_rate(tty); + port_settings.baud = cpu_to_le32(baud); + dev_dbg(dev, "%s - baud rate = %u\n", __func__, baud); /* fixme: should set validated settings */ - tty_encode_baud_rate(tty, port_settings.baud, port_settings.baud); + tty_encode_baud_rate(tty, baud, baud); + /* handle any settings that aren't specified in the tty structure */ port_settings.lloop = 0; diff --git a/drivers/usb/serial/whiteheat.h b/drivers/usb/serial/whiteheat.h index 38065df4d2d8..30169c859a74 100644 --- a/drivers/usb/serial/whiteheat.h +++ b/drivers/usb/serial/whiteheat.h @@ -91,7 +91,7 @@ struct whiteheat_simple { struct whiteheat_port_settings { __u8 port; /* port number (1 to N) */ - __u32 baud; /* any value 7 - 460800, firmware calculates + __le32 baud; /* any value 7 - 460800, firmware calculates best fit; arrives little endian */ __u8 bits; /* 5, 6, 7, or 8 */ __u8 stop; /* 1 or 2, default 1 (2 = 1.5 if bits = 5) */ diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 20433563a601..f0ca9feaea1d 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -50,7 +50,7 @@ MODULE_VERSION("1.03"); 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; @@ -772,18 +772,16 @@ static void rts51x_suspend_timer_fn(unsigned long data) break; case RTS51X_STAT_IDLE: case RTS51X_STAT_SS: - usb_stor_dbg(us, "RTS51X_STAT_SS, intf->pm_usage_cnt:%d, power.usage:%d\n", - atomic_read(&us->pusb_intf->pm_usage_cnt), + usb_stor_dbg(us, "RTS51X_STAT_SS, power.usage:%d\n", atomic_read(&us->pusb_intf->dev.power.usage_count)); - if (atomic_read(&us->pusb_intf->pm_usage_cnt) > 0) { + if (atomic_read(&us->pusb_intf->dev.power.usage_count) > 0) { usb_stor_dbg(us, "Ready to enter SS state\n"); rts51x_set_stat(chip, RTS51X_STAT_SS); /* ignore mass storage interface's children */ pm_suspend_ignore_children(&us->pusb_intf->dev, true); usb_autopm_put_interface_async(us->pusb_intf); - usb_stor_dbg(us, "RTS51X_STAT_SS 01, intf->pm_usage_cnt:%d, power.usage:%d\n", - atomic_read(&us->pusb_intf->pm_usage_cnt), + usb_stor_dbg(us, "RTS51X_STAT_SS 01, power.usage:%d\n", atomic_read(&us->pusb_intf->dev.power.usage_count)); } break; @@ -816,11 +814,10 @@ static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) int ret; if (working_scsi(srb)) { - usb_stor_dbg(us, "working scsi, intf->pm_usage_cnt:%d, power.usage:%d\n", - atomic_read(&us->pusb_intf->pm_usage_cnt), + usb_stor_dbg(us, "working scsi, power.usage:%d\n", atomic_read(&us->pusb_intf->dev.power.usage_count)); - if (atomic_read(&us->pusb_intf->pm_usage_cnt) <= 0) { + if (atomic_read(&us->pusb_intf->dev.power.usage_count) <= 0) { ret = usb_autopm_get_interface(us->pusb_intf); usb_stor_dbg(us, "working scsi, ret=%d\n", ret); } @@ -1009,12 +1006,15 @@ 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/uas.c b/drivers/usb/storage/uas.c index 6cac8f26b97a..a7cc0bc68deb 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -775,20 +775,10 @@ static int uas_slave_alloc(struct scsi_device *sdev) sdev->hostdata = devinfo; - /* USB has unusual DMA-alignment requirements: Although the - * starting address of each scatter-gather element doesn't matter, - * the length of each element except the last must be divisible - * by the Bulk maxpacket value. There's currently no way to - * express this by block-layer constraints, so we'll cop out - * and simply require addresses to be aligned at 512-byte - * boundaries. This is okay since most block I/O involves - * hardware sectors that are multiples of 512 bytes in length, - * and since host controllers up through USB 2.0 have maxpacket - * values no larger than 512. - * - * But it doesn't suffice for Wireless USB, where Bulk maxpacket - * values can be as large as 2048. To make that work properly - * will require changes to the block layer. + /* + * The protocol has no requirements on alignment in the strict sense. + * Controllers may or may not have alignment restrictions. + * As this is not exported, we use an extremely conservative guess. */ blk_queue_update_dma_alignment(sdev->request_queue, (512 - 1)); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index d92b974f0635..a98259e136dd 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2006,7 +2006,7 @@ 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/storage/unusual_realtek.h b/drivers/usb/storage/unusual_realtek.h index f5fc3271e19c..e2c5491a411b 100644 --- a/drivers/usb/storage/unusual_realtek.h +++ b/drivers/usb/storage/unusual_realtek.h @@ -28,6 +28,11 @@ UNUSUAL_DEV(0x0bda, 0x0138, 0x0000, 0x9999, "USB Card Reader", USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0), +UNUSUAL_DEV(0x0bda, 0x0153, 0x0000, 0x9999, + "Realtek", + "USB Card Reader", + USB_SC_DEVICE, USB_PR_DEVICE, init_realtek_cr, 0), + UNUSUAL_DEV(0x0bda, 0x0158, 0x0000, 0x9999, "Realtek", "USB Card Reader", diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index 8ed80f28416f..9aad6825947c 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -162,12 +162,15 @@ UNUSUAL_DEV(0x2537, 0x1068, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_UAS), -/* Reported-by: Takeo Nakayama <javhera@gmx.com> */ +/* + * Initially Reported-by: Takeo Nakayama <javhera@gmx.com> + * UAS Ignore Reported by Steven Ellis <sellis@redhat.com> + */ UNUSUAL_DEV(0x357d, 0x7788, 0x0000, 0x9999, "JMicron", "JMS566", USB_SC_DEVICE, USB_PR_DEVICE, NULL, - US_FL_NO_REPORT_OPCODES), + US_FL_NO_REPORT_OPCODES | US_FL_IGNORE_UAS), /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ UNUSUAL_DEV(0x4971, 0x1012, 0x0000, 0x9999, diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index 545d09b8081d..871c366d9229 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -63,6 +63,7 @@ struct usb_skel { spinlock_t err_lock; /* lock for errors */ struct kref kref; struct mutex io_mutex; /* synchronize I/O with disconnect */ + unsigned long disconnected:1; wait_queue_head_t bulk_in_wait; /* to wait for an ongoing read */ }; #define to_skel_dev(d) container_of(d, struct usb_skel, kref) @@ -75,6 +76,7 @@ static void skel_delete(struct kref *kref) struct usb_skel *dev = to_skel_dev(kref); usb_free_urb(dev->bulk_in_urb); + usb_put_intf(dev->interface); usb_put_dev(dev->udev); kfree(dev->bulk_in_buffer); kfree(dev); @@ -126,10 +128,7 @@ static int skel_release(struct inode *inode, struct file *file) return -ENODEV; /* allow the device to be autosuspended */ - mutex_lock(&dev->io_mutex); - if (dev->interface) - usb_autopm_put_interface(dev->interface); - mutex_unlock(&dev->io_mutex); + usb_autopm_put_interface(dev->interface); /* decrement the count on our device */ kref_put(&dev->kref, skel_delete); @@ -241,7 +240,7 @@ static ssize_t skel_read(struct file *file, char *buffer, size_t count, if (rv < 0) return rv; - if (!dev->interface) { /* disconnect() was called */ + if (dev->disconnected) { /* disconnect() was called */ rv = -ENODEV; goto exit; } @@ -422,7 +421,7 @@ static ssize_t skel_write(struct file *file, const char *user_buffer, /* this lock makes sure we don't submit URBs to gone devices */ mutex_lock(&dev->io_mutex); - if (!dev->interface) { /* disconnect() was called */ + if (dev->disconnected) { /* disconnect() was called */ mutex_unlock(&dev->io_mutex); retval = -ENODEV; goto error; @@ -511,7 +510,7 @@ static int skel_probe(struct usb_interface *interface, init_waitqueue_head(&dev->bulk_in_wait); dev->udev = usb_get_dev(interface_to_usbdev(interface)); - dev->interface = interface; + dev->interface = usb_get_intf(interface); /* set up the endpoint information */ /* use only the first bulk-in and bulk-out endpoints */ @@ -590,7 +589,7 @@ static void skel_disconnect(struct usb_interface *interface) /* prevent more I/O from starting */ mutex_lock(&dev->io_mutex); - dev->interface = NULL; + dev->disconnected = 1; mutex_unlock(&dev->io_mutex); usb_kill_anchored_urbs(&dev->submitted); diff --git a/drivers/usb/usbip/stub_rx.c b/drivers/usb/usbip/stub_rx.c index 56cacb68040c..808e3a317954 100644 --- a/drivers/usb/usbip/stub_rx.c +++ b/drivers/usb/usbip/stub_rx.c @@ -380,22 +380,10 @@ static int get_pipe(struct stub_device *sdev, struct usbip_header *pdu) } if (usb_endpoint_xfer_isoc(epd)) { - /* validate packet size and number of packets */ - unsigned int maxp, packets, bytes; - -#define USB_EP_MAXP_MULT_SHIFT 11 -#define USB_EP_MAXP_MULT_MASK (3 << USB_EP_MAXP_MULT_SHIFT) -#define USB_EP_MAXP_MULT(m) \ - (((m) & USB_EP_MAXP_MULT_MASK) >> USB_EP_MAXP_MULT_SHIFT) - - maxp = usb_endpoint_maxp(epd); - maxp *= (USB_EP_MAXP_MULT( - __le16_to_cpu(epd->wMaxPacketSize)) + 1); - bytes = pdu->u.cmd_submit.transfer_buffer_length; - packets = DIV_ROUND_UP(bytes, maxp); - + /* validate number of packets */ if (pdu->u.cmd_submit.number_of_packets < 0 || - pdu->u.cmd_submit.number_of_packets > packets) { + pdu->u.cmd_submit.number_of_packets > + USBIP_MAX_ISO_PACKETS) { dev_err(&sdev->udev->dev, "CMD_SUBMIT: isoc invalid num packets %d\n", pdu->u.cmd_submit.number_of_packets); diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h index 0fc5ace57c0e..af903aa4ad90 100644 --- a/drivers/usb/usbip/usbip_common.h +++ b/drivers/usb/usbip/usbip_common.h @@ -134,6 +134,13 @@ extern struct device_attribute dev_attr_usbip_debug; #define USBIP_DIR_OUT 0x00 #define USBIP_DIR_IN 0x01 +/* + * Arbitrary limit for the maximum number of isochronous packets in an URB, + * compare for example the uhci_submit_isochronous function in + * drivers/usb/host/uhci-q.c + */ +#define USBIP_MAX_ISO_PACKETS 1024 + /** * struct usbip_header_basic - data pertinent to every request * @command: the usbip request type diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 4d68a1e9e878..3476d02967f7 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -303,6 +303,7 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, default: break; } + break; default: usbip_dbg_vhci_rh(" ClearPortFeature: default %x\n", wValue); diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c index 323aa7789989..9c8d936c9009 100644 --- a/drivers/usb/usbip/vhci_rx.c +++ b/drivers/usb/usbip/vhci_rx.c @@ -89,16 +89,21 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev, usbip_pack_pdu(pdu, urb, USBIP_RET_SUBMIT, 0); /* recv transfer buffer */ - if (usbip_recv_xbuff(ud, urb) < 0) - return; + if (usbip_recv_xbuff(ud, urb) < 0) { + urb->status = -EPROTO; + goto error; + } /* recv iso_packet_descriptor */ - if (usbip_recv_iso(ud, urb) < 0) - return; + if (usbip_recv_iso(ud, urb) < 0) { + urb->status = -EPROTO; + goto error; + } /* restore the padding in iso packets */ usbip_pad_iso(ud, urb); +error: if (usbip_dbg_flag_vhci_rx) usbip_dump_urb(urb); |