diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/usb/core/config.c | 4 | ||||
| -rw-r--r-- | drivers/usb/core/driver.c | 14 | ||||
| -rw-r--r-- | drivers/usb/core/hcd.c | 110 | ||||
| -rw-r--r-- | drivers/usb/core/hub.c | 87 | ||||
| -rw-r--r-- | drivers/usb/core/message.c | 41 | ||||
| -rw-r--r-- | drivers/usb/core/quirks.c | 13 | ||||
| -rw-r--r-- | drivers/usb/core/sysfs.c | 36 | ||||
| -rw-r--r-- | drivers/usb/core/urb.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/usb.c | 2 | ||||
| -rw-r--r-- | drivers/usb/core/usb.h | 2 |
11 files changed, 241 insertions, 74 deletions
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index a99c89e78126..dd280108758f 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -77,8 +77,7 @@ config USB_OTG_BLACKLIST_HUB config USB_OTG_FSM tristate "USB 2.0 OTG FSM implementation" - depends on USB - select USB_OTG + depends on USB && USB_OTG select USB_PHY help Implements OTG Finite State Machine as specified in On-The-Go diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index b9ddf0c1ffe5..7caff020106e 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -853,6 +853,10 @@ int usb_get_bos_descriptor(struct usb_device *dev) dev->bos->ss_cap = (struct usb_ss_cap_descriptor *)buffer; break; + case USB_SSP_CAP_TYPE: + dev->bos->ssp_cap = + (struct usb_ssp_cap_descriptor *)buffer; + break; case CONTAINER_ID_TYPE: dev->bos->ss_id = (struct usb_ss_container_id_descriptor *)buffer; diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 6b5063e7943f..56593a9a8726 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -296,6 +296,10 @@ static int usb_probe_interface(struct device *dev) if (udev->authorized == 0) { dev_err(&intf->dev, "Device is not authorized for usage\n"); return error; + } else if (intf->authorized == 0) { + dev_err(&intf->dev, "Interface %d is not authorized for usage\n", + intf->altsetting->desc.bInterfaceNumber); + return error; } id = usb_match_dynamic_id(intf, driver); @@ -417,12 +421,10 @@ static int usb_unbind_interface(struct device *dev) if (ep->streams == 0) continue; if (j == 0) { - eps = kmalloc(USB_MAXENDPOINTS * sizeof(void *), + eps = kmalloc_array(USB_MAXENDPOINTS, sizeof(void *), GFP_KERNEL); - if (!eps) { - dev_warn(dev, "oom, leaking streams\n"); + if (!eps) break; - } } eps[j++] = ep; } @@ -508,6 +510,10 @@ int usb_driver_claim_interface(struct usb_driver *driver, if (dev->driver) return -EBUSY; + /* reject claim if interface is not authorized */ + if (!iface->authorized) + return -ENODEV; + udev = interface_to_usbdev(iface); dev->driver = &driver->drvwrap.driver; diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 4d64e5c499e1..1c102d60cd9f 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -131,7 +131,7 @@ static inline int is_root_hub(struct usb_device *udev) /* usb 3.0 root hub device descriptor */ static const u8 usb3_rh_dev_descriptor[18] = { 0x12, /* __u8 bLength; */ - 0x01, /* __u8 bDescriptorType; Device */ + USB_DT_DEVICE, /* __u8 bDescriptorType; Device */ 0x00, 0x03, /* __le16 bcdUSB; v3.0 */ 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ @@ -152,7 +152,7 @@ static const u8 usb3_rh_dev_descriptor[18] = { /* usb 2.5 (wireless USB 1.0) root hub device descriptor */ static const u8 usb25_rh_dev_descriptor[18] = { 0x12, /* __u8 bLength; */ - 0x01, /* __u8 bDescriptorType; Device */ + USB_DT_DEVICE, /* __u8 bDescriptorType; Device */ 0x50, 0x02, /* __le16 bcdUSB; v2.5 */ 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ @@ -173,7 +173,7 @@ static const u8 usb25_rh_dev_descriptor[18] = { /* usb 2.0 root hub device descriptor */ static const u8 usb2_rh_dev_descriptor[18] = { 0x12, /* __u8 bLength; */ - 0x01, /* __u8 bDescriptorType; Device */ + USB_DT_DEVICE, /* __u8 bDescriptorType; Device */ 0x00, 0x02, /* __le16 bcdUSB; v2.0 */ 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ @@ -196,7 +196,7 @@ static const u8 usb2_rh_dev_descriptor[18] = { /* usb 1.1 root hub device descriptor */ static const u8 usb11_rh_dev_descriptor[18] = { 0x12, /* __u8 bLength; */ - 0x01, /* __u8 bDescriptorType; Device */ + USB_DT_DEVICE, /* __u8 bDescriptorType; Device */ 0x10, 0x01, /* __le16 bcdUSB; v1.1 */ 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ @@ -223,7 +223,7 @@ static const u8 fs_rh_config_descriptor[] = { /* one configuration */ 0x09, /* __u8 bLength; */ - 0x02, /* __u8 bDescriptorType; Configuration */ + USB_DT_CONFIG, /* __u8 bDescriptorType; Configuration */ 0x19, 0x00, /* __le16 wTotalLength; */ 0x01, /* __u8 bNumInterfaces; (1) */ 0x01, /* __u8 bConfigurationValue; */ @@ -248,7 +248,7 @@ static const u8 fs_rh_config_descriptor[] = { /* one interface */ 0x09, /* __u8 if_bLength; */ - 0x04, /* __u8 if_bDescriptorType; Interface */ + USB_DT_INTERFACE, /* __u8 if_bDescriptorType; Interface */ 0x00, /* __u8 if_bInterfaceNumber; */ 0x00, /* __u8 if_bAlternateSetting; */ 0x01, /* __u8 if_bNumEndpoints; */ @@ -259,7 +259,7 @@ static const u8 fs_rh_config_descriptor[] = { /* one endpoint (status change endpoint) */ 0x07, /* __u8 ep_bLength; */ - 0x05, /* __u8 ep_bDescriptorType; Endpoint */ + USB_DT_ENDPOINT, /* __u8 ep_bDescriptorType; Endpoint */ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 0x03, /* __u8 ep_bmAttributes; Interrupt */ 0x02, 0x00, /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */ @@ -270,7 +270,7 @@ static const u8 hs_rh_config_descriptor[] = { /* one configuration */ 0x09, /* __u8 bLength; */ - 0x02, /* __u8 bDescriptorType; Configuration */ + USB_DT_CONFIG, /* __u8 bDescriptorType; Configuration */ 0x19, 0x00, /* __le16 wTotalLength; */ 0x01, /* __u8 bNumInterfaces; (1) */ 0x01, /* __u8 bConfigurationValue; */ @@ -295,7 +295,7 @@ static const u8 hs_rh_config_descriptor[] = { /* one interface */ 0x09, /* __u8 if_bLength; */ - 0x04, /* __u8 if_bDescriptorType; Interface */ + USB_DT_INTERFACE, /* __u8 if_bDescriptorType; Interface */ 0x00, /* __u8 if_bInterfaceNumber; */ 0x00, /* __u8 if_bAlternateSetting; */ 0x01, /* __u8 if_bNumEndpoints; */ @@ -306,7 +306,7 @@ static const u8 hs_rh_config_descriptor[] = { /* one endpoint (status change endpoint) */ 0x07, /* __u8 ep_bLength; */ - 0x05, /* __u8 ep_bDescriptorType; Endpoint */ + USB_DT_ENDPOINT, /* __u8 ep_bDescriptorType; Endpoint */ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 0x03, /* __u8 ep_bmAttributes; Interrupt */ /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) @@ -318,7 +318,7 @@ static const u8 hs_rh_config_descriptor[] = { static const u8 ss_rh_config_descriptor[] = { /* one configuration */ 0x09, /* __u8 bLength; */ - 0x02, /* __u8 bDescriptorType; Configuration */ + USB_DT_CONFIG, /* __u8 bDescriptorType; Configuration */ 0x1f, 0x00, /* __le16 wTotalLength; */ 0x01, /* __u8 bNumInterfaces; (1) */ 0x01, /* __u8 bConfigurationValue; */ @@ -332,7 +332,7 @@ static const u8 ss_rh_config_descriptor[] = { /* one interface */ 0x09, /* __u8 if_bLength; */ - 0x04, /* __u8 if_bDescriptorType; Interface */ + USB_DT_INTERFACE, /* __u8 if_bDescriptorType; Interface */ 0x00, /* __u8 if_bInterfaceNumber; */ 0x00, /* __u8 if_bAlternateSetting; */ 0x01, /* __u8 if_bNumEndpoints; */ @@ -343,7 +343,7 @@ static const u8 ss_rh_config_descriptor[] = { /* one endpoint (status change endpoint) */ 0x07, /* __u8 ep_bLength; */ - 0x05, /* __u8 ep_bDescriptorType; Endpoint */ + USB_DT_ENDPOINT, /* __u8 ep_bDescriptorType; Endpoint */ 0x81, /* __u8 ep_bEndpointAddress; IN Endpoint 1 */ 0x03, /* __u8 ep_bmAttributes; Interrupt */ /* __le16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) @@ -353,7 +353,8 @@ static const u8 ss_rh_config_descriptor[] = { /* one SuperSpeed endpoint companion descriptor */ 0x06, /* __u8 ss_bLength */ - 0x30, /* __u8 ss_bDescriptorType; SuperSpeed EP Companion */ + USB_DT_SS_ENDPOINT_COMP, /* __u8 ss_bDescriptorType; SuperSpeed EP */ + /* Companion */ 0x00, /* __u8 ss_bMaxBurst; allows 1 TX between ACKs */ 0x00, /* __u8 ss_bmAttributes; 1 packet per service interval */ 0x02, 0x00 /* __le16 ss_wBytesPerInterval; 15 bits for max 15 ports */ @@ -555,6 +556,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) switch (wValue & 0xff00) { case USB_DT_DEVICE << 8: switch (hcd->speed) { + case HCD_USB31: case HCD_USB3: bufp = usb3_rh_dev_descriptor; break; @@ -576,6 +578,7 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) break; case USB_DT_CONFIG << 8: switch (hcd->speed) { + case HCD_USB31: case HCD_USB3: bufp = ss_rh_config_descriptor; len = sizeof ss_rh_config_descriptor; @@ -854,10 +857,10 @@ static ssize_t authorized_default_show(struct device *dev, { struct usb_device *rh_usb_dev = to_usb_device(dev); struct usb_bus *usb_bus = rh_usb_dev->bus; - struct usb_hcd *usb_hcd; + struct usb_hcd *hcd; - usb_hcd = bus_to_hcd(usb_bus); - return snprintf(buf, PAGE_SIZE, "%u\n", usb_hcd->authorized_default); + hcd = bus_to_hcd(usb_bus); + return snprintf(buf, PAGE_SIZE, "%u\n", !!HCD_DEV_AUTHORIZED(hcd)); } static ssize_t authorized_default_store(struct device *dev, @@ -868,12 +871,16 @@ static ssize_t authorized_default_store(struct device *dev, unsigned val; struct usb_device *rh_usb_dev = to_usb_device(dev); struct usb_bus *usb_bus = rh_usb_dev->bus; - struct usb_hcd *usb_hcd; + struct usb_hcd *hcd; - usb_hcd = bus_to_hcd(usb_bus); + hcd = bus_to_hcd(usb_bus); result = sscanf(buf, "%u\n", &val); if (result == 1) { - usb_hcd->authorized_default = val ? 1 : 0; + if (val) + set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + else + clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + result = size; } else { result = -EINVAL; @@ -882,9 +889,53 @@ static ssize_t authorized_default_store(struct device *dev, } static DEVICE_ATTR_RW(authorized_default); +/* + * interface_authorized_default_show - show default authorization status + * for USB interfaces + * + * note: interface_authorized_default is the default value + * for initializing the authorized attribute of interfaces + */ +static ssize_t interface_authorized_default_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_device *usb_dev = to_usb_device(dev); + struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); + + return sprintf(buf, "%u\n", !!HCD_INTF_AUTHORIZED(hcd)); +} + +/* + * interface_authorized_default_store - store default authorization status + * for USB interfaces + * + * note: interface_authorized_default is the default value + * for initializing the authorized attribute of interfaces + */ +static ssize_t interface_authorized_default_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct usb_device *usb_dev = to_usb_device(dev); + struct usb_hcd *hcd = bus_to_hcd(usb_dev->bus); + int rc = count; + bool val; + + if (strtobool(buf, &val) != 0) + return -EINVAL; + + if (val) + set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + else + clear_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + + return rc; +} +static DEVICE_ATTR_RW(interface_authorized_default); + /* Group all the USB bus attributes */ static struct attribute *usb_bus_attrs[] = { &dev_attr_authorized_default.attr, + &dev_attr_interface_authorized_default.attr, NULL, }; @@ -2676,12 +2727,22 @@ int usb_add_hcd(struct usb_hcd *hcd, dev_info(hcd->self.controller, "%s\n", hcd->product_desc); /* Keep old behaviour if authorized_default is not in [0, 1]. */ - if (authorized_default < 0 || authorized_default > 1) - hcd->authorized_default = hcd->wireless ? 0 : 1; - else - hcd->authorized_default = authorized_default; + if (authorized_default < 0 || authorized_default > 1) { + if (hcd->wireless) + clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + else + set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + } else { + if (authorized_default) + set_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + else + clear_bit(HCD_FLAG_DEV_AUTHORIZED, &hcd->flags); + } set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + /* per default all interfaces are authorized */ + set_bit(HCD_FLAG_INTF_AUTHORIZED, &hcd->flags); + /* HC is in reset state, but accessible. Now do the one-time init, * bottom up so that hcds can customize the root hubs before hub_wq * starts talking to them. (Note, bus id is assigned early too.) @@ -2717,6 +2778,7 @@ int usb_add_hcd(struct usb_hcd *hcd, rhdev->speed = USB_SPEED_WIRELESS; break; case HCD_USB3: + case HCD_USB31: rhdev->speed = USB_SPEED_SUPER; break; default: diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 431839bd291f..bdeadc112d29 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1070,7 +1070,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) * for HUB_POST_RESET, but it's easier not to. */ if (type == HUB_INIT) { - unsigned delay = hub_power_on_good_delay(hub); + delay = hub_power_on_good_delay(hub); hub_power_on(hub, false); INIT_DELAYED_WORK(&hub->init_work, hub_init_func2); @@ -1404,7 +1404,6 @@ static int hub_configure(struct usb_hub *hub, /* FIXME for USB 3.0, skip for now */ if ((wHubCharacteristics & HUB_CHAR_COMPOUND) && !(hub_is_superspeed(hdev))) { - int i; char portstr[USB_MAXCHILDREN + 1]; for (i = 0; i < maxchild; i++) @@ -2240,39 +2239,49 @@ static int usb_enumerate_device_otg(struct usb_device *udev) && udev->parent == udev->bus->root_hub) { struct usb_otg_descriptor *desc = NULL; struct usb_bus *bus = udev->bus; + unsigned port1 = udev->portnum; /* descriptor may appear anywhere in config */ - if (__usb_get_extra_descriptor(udev->rawdescriptors[0], - le16_to_cpu(udev->config[0].desc.wTotalLength), - USB_DT_OTG, (void **) &desc) == 0) { - if (desc->bmAttributes & USB_OTG_HNP) { - unsigned port1 = udev->portnum; + err = __usb_get_extra_descriptor(udev->rawdescriptors[0], + le16_to_cpu(udev->config[0].desc.wTotalLength), + USB_DT_OTG, (void **) &desc); + if (err || !(desc->bmAttributes & USB_OTG_HNP)) + return 0; - dev_info(&udev->dev, - "Dual-Role OTG device on %sHNP port\n", - (port1 == bus->otg_port) - ? "" : "non-"); - - /* enable HNP before suspend, it's simpler */ - if (port1 == bus->otg_port) - bus->b_hnp_enable = 1; - err = usb_control_msg(udev, - usb_sndctrlpipe(udev, 0), - USB_REQ_SET_FEATURE, 0, - bus->b_hnp_enable - ? USB_DEVICE_B_HNP_ENABLE - : USB_DEVICE_A_ALT_HNP_SUPPORT, - 0, NULL, 0, USB_CTRL_SET_TIMEOUT); - if (err < 0) { - /* OTG MESSAGE: report errors here, - * customize to match your product. - */ - dev_info(&udev->dev, - "can't set HNP mode: %d\n", - err); - bus->b_hnp_enable = 0; - } + dev_info(&udev->dev, "Dual-Role OTG device on %sHNP port\n", + (port1 == bus->otg_port) ? "" : "non-"); + + /* enable HNP before suspend, it's simpler */ + if (port1 == bus->otg_port) { + bus->b_hnp_enable = 1; + err = usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + USB_REQ_SET_FEATURE, 0, + USB_DEVICE_B_HNP_ENABLE, + 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); + if (err < 0) { + /* + * OTG MESSAGE: report errors here, + * customize to match your product. + */ + dev_err(&udev->dev, "can't set HNP mode: %d\n", + err); + bus->b_hnp_enable = 0; } + } else if (desc->bLength == sizeof + (struct usb_otg_descriptor)) { + /* Set a_alt_hnp_support for legacy otg device */ + err = usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + USB_REQ_SET_FEATURE, 0, + USB_DEVICE_A_ALT_HNP_SUPPORT, + 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); + if (err < 0) + dev_err(&udev->dev, + "set a_alt_hnp_support failed: %d\n", + err); } } #endif @@ -4222,7 +4231,7 @@ static int hub_enable_device(struct usb_device *udev) * but it is still necessary to lock the port. */ static int -hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, +hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, int retry_counter) { struct usb_device *hdev = hub->hdev; @@ -4526,7 +4535,7 @@ fail: } static void -check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port1) +check_highspeed(struct usb_hub *hub, struct usb_device *udev, int port1) { struct usb_qualifier_descriptor *qual; int status; @@ -4534,11 +4543,11 @@ check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port1) if (udev->quirks & USB_QUIRK_DEVICE_QUALIFIER) return; - qual = kmalloc (sizeof *qual, GFP_KERNEL); + qual = kmalloc(sizeof *qual, GFP_KERNEL); if (qual == NULL) return; - status = usb_get_descriptor (udev, USB_DT_DEVICE_QUALIFIER, 0, + status = usb_get_descriptor(udev, USB_DT_DEVICE_QUALIFIER, 0, qual, sizeof *qual); if (status == sizeof *qual) { dev_info(&udev->dev, "not running at top speed; " @@ -4554,7 +4563,7 @@ check_highspeed (struct usb_hub *hub, struct usb_device *udev, int port1) } static unsigned -hub_power_remaining (struct usb_hub *hub) +hub_power_remaining(struct usb_hub *hub) { struct usb_device *hdev = hub->hdev; int remaining; @@ -4741,7 +4750,7 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, if (le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0200 && udev->speed == USB_SPEED_FULL && highspeed_hubs != 0) - check_highspeed (hub, udev, port1); + check_highspeed(hub, udev, port1); /* Store the parent's children[] pointer. At this point * udev becomes globally accessible, although presumably @@ -5115,7 +5124,7 @@ static const struct usb_device_id hub_id_table[] = { { } /* Terminating entry */ }; -MODULE_DEVICE_TABLE (usb, hub_id_table); +MODULE_DEVICE_TABLE(usb, hub_id_table); static struct usb_driver hub_driver = { .name = "hub", @@ -5227,7 +5236,7 @@ static int descriptors_changed(struct usb_device *udev, changed = 1; break; } - if (memcmp (buf, udev->rawdescriptors[index], old_length) + if (memcmp(buf, udev->rawdescriptors[index], old_length) != 0) { dev_dbg(&udev->dev, "config index %d changed (#%d)\n", index, diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index f368d2053da5..8e641b5893ed 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1387,8 +1387,6 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) * new altsetting. */ if (manual) { - int i; - for (i = 0; i < alt->desc.bNumEndpoints; i++) { epaddr = alt->endpoint[i].desc.bEndpointAddress; pipe = __create_pipe(dev, @@ -1555,6 +1553,44 @@ static void usb_release_interface(struct device *dev) kfree(intf); } +/* + * usb_deauthorize_interface - deauthorize an USB interface + * + * @intf: USB interface structure + */ +void usb_deauthorize_interface(struct usb_interface *intf) +{ + struct device *dev = &intf->dev; + + device_lock(dev->parent); + + if (intf->authorized) { + device_lock(dev); + intf->authorized = 0; + device_unlock(dev); + + usb_forced_unbind_intf(intf); + } + + device_unlock(dev->parent); +} + +/* + * usb_authorize_interface - authorize an USB interface + * + * @intf: USB interface structure + */ +void usb_authorize_interface(struct usb_interface *intf) +{ + struct device *dev = &intf->dev; + + if (!intf->authorized) { + device_lock(dev); + intf->authorized = 1; /* authorize interface */ + device_unlock(dev); + } +} + static int usb_if_uevent(struct device *dev, struct kobj_uevent_env *env) { struct usb_device *usb_dev; @@ -1807,6 +1843,7 @@ free_interfaces: intfc = cp->intf_cache[i]; intf->altsetting = intfc->altsetting; intf->num_altsetting = intfc->num_altsetting; + intf->authorized = !!HCD_INTF_AUTHORIZED(hcd); kref_get(&intfc->ref); alt = usb_altnum_to_altsetting(intf, 0); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d85abfed84cc..f5a381945db2 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -54,6 +54,13 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT }, { USB_DEVICE(0x046d, 0x0843), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Logitech ConferenceCam CC3000e */ + { USB_DEVICE(0x046d, 0x0847), .driver_info = USB_QUIRK_DELAY_INIT }, + { USB_DEVICE(0x046d, 0x0848), .driver_info = USB_QUIRK_DELAY_INIT }, + + /* Logitech PTZ Pro Camera */ + { USB_DEVICE(0x046d, 0x0853), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Logitech Quickcam Fusion */ { USB_DEVICE(0x046d, 0x08c1), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -78,6 +85,12 @@ static const struct usb_device_id usb_quirk_list[] = { /* Philips PSC805 audio device */ { USB_DEVICE(0x0471, 0x0155), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Plantronic Audio 655 DSP */ + { USB_DEVICE(0x047f, 0xc008), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Plantronic Audio 648 USB */ + { USB_DEVICE(0x047f, 0xc013), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Artisman Watchdog Dongle */ { USB_DEVICE(0x04b4, 0x0526), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index cfc68c11c3f5..d9ec2de6c4cf 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -957,6 +957,41 @@ static ssize_t supports_autosuspend_show(struct device *dev, } static DEVICE_ATTR_RO(supports_autosuspend); +/* + * interface_authorized_show - show authorization status of an USB interface + * 1 is authorized, 0 is deauthorized + */ +static ssize_t interface_authorized_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct usb_interface *intf = to_usb_interface(dev); + + return sprintf(buf, "%u\n", intf->authorized); +} + +/* + * interface_authorized_store - authorize or deauthorize an USB interface + */ +static ssize_t interface_authorized_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct usb_interface *intf = to_usb_interface(dev); + bool val; + + if (strtobool(buf, &val) != 0) + return -EINVAL; + + if (val) + usb_authorize_interface(intf); + else + usb_deauthorize_interface(intf); + + return count; +} +static struct device_attribute dev_attr_interface_authorized = + __ATTR(authorized, S_IRUGO | S_IWUSR, + interface_authorized_show, interface_authorized_store); + static struct attribute *intf_attrs[] = { &dev_attr_bInterfaceNumber.attr, &dev_attr_bAlternateSetting.attr, @@ -966,6 +1001,7 @@ static struct attribute *intf_attrs[] = { &dev_attr_bInterfaceProtocol.attr, &dev_attr_modalias.attr, &dev_attr_supports_autosuspend.attr, + &dev_attr_interface_authorized.attr, NULL, }; static struct attribute_group intf_attr_grp = { diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index c9e8ee81b6b7..3d274778caaf 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -129,9 +129,8 @@ void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor) list_add_tail(&urb->anchor_list, &anchor->urb_list); urb->anchor = anchor; - if (unlikely(anchor->poisoned)) { + if (unlikely(anchor->poisoned)) atomic_inc(&urb->reject); - } spin_unlock_irqrestore(&anchor->lock, flags); } diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 8d5b2f4113cd..f8bbd0b6d9fe 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -510,7 +510,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, if (root_hub) /* Root hub always ok [and always wired] */ dev->authorized = 1; else { - dev->authorized = usb_hcd->authorized_default; + dev->authorized = !!HCD_DEV_AUTHORIZED(usb_hcd); dev->wusb = usb_bus_is_wusb(bus) ? 1 : 0; } return dev; diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 457255a3306a..05b5e17abf92 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -27,6 +27,8 @@ extern void usb_release_interface_cache(struct kref *ref); extern void usb_disable_device(struct usb_device *dev, int skip_ep0); extern int usb_deauthorize_device(struct usb_device *); extern int usb_authorize_device(struct usb_device *); +extern void usb_deauthorize_interface(struct usb_interface *); +extern void usb_authorize_interface(struct usb_interface *); extern void usb_detect_quirks(struct usb_device *udev); extern void usb_detect_interface_quirks(struct usb_device *udev); extern int usb_remove_device(struct usb_device *udev); |