diff options
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/config.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/hub.c | 7 | ||||
| -rw-r--r-- | drivers/usb/core/quirks.c | 6 |
3 files changed, 14 insertions, 2 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 85756bd36746..9b05e88d6220 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -117,7 +117,8 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno, USB_SS_MULT(desc->bmAttributes) > 3) { dev_warn(ddev, "Isoc endpoint has Mult of %d in " "config %d interface %d altsetting %d ep %d: " - "setting to 3\n", desc->bmAttributes + 1, + "setting to 3\n", + USB_SS_MULT(desc->bmAttributes), cfgno, inum, asnum, ep->desc.bEndpointAddress); ep->ss_ep_comp.bmAttributes = 2; } diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 11a073cda1d6..92873f2773fc 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -137,6 +137,10 @@ struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev) static int usb_device_supports_lpm(struct usb_device *udev) { + /* Some devices have trouble with LPM */ + if (udev->quirks & USB_QUIRK_NO_LPM) + return 0; + /* USB 2.1 (and greater) devices indicate LPM support through * their USB 2.0 Extended Capabilities BOS descriptor. */ @@ -4289,6 +4293,8 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, goto fail; } + usb_detect_quirks(udev); + if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) { retval = usb_get_bos_descriptor(udev); if (!retval) { @@ -4530,7 +4536,6 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, if (status < 0) goto loop; - usb_detect_quirks(udev); if (udev->quirks & USB_QUIRK_DELAY_INIT) msleep(1000); diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d4db4ea4a92d..94e9cddc05c1 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -182,6 +182,12 @@ static const struct usb_device_id usb_interface_quirk_list[] = { { USB_DEVICE(0x0b05, 0x17e0), .driver_info = USB_QUIRK_IGNORE_REMOTE_WAKEUP }, + /* Blackmagic Design Intensity Shuttle */ + { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM }, + + /* Blackmagic Design UltraStudio SDI */ + { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM }, + { } /* terminating entry must be last */ }; |