diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-08-13 14:42:55 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-08-13 14:42:55 +0200 |
| commit | 5f6f02cd49d61e9856ff2c337578316a1a1b3f88 (patch) | |
| tree | fd2e6961e8f609af41dd4a282008e1bc52cfa7c7 /drivers/usb/core/hcd.c | |
| parent | 3afa129a9de0957d72165cf08a54e5c69938011c (diff) | |
| parent | cbfe8fa6cd672011c755c3cd85c9ffd4e2d10a6f (diff) | |
| download | talos-obmc-linux-5f6f02cd49d61e9856ff2c337578316a1a1b3f88.tar.gz talos-obmc-linux-5f6f02cd49d61e9856ff2c337578316a1a1b3f88.zip | |
Merge tag 'v4.2-rc4' into devel
Linux 4.2-rc4
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index be5b2074f906..cbcd0920fb51 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1022,9 +1022,12 @@ static int register_root_hub(struct usb_hcd *hcd) dev_name(&usb_dev->dev), retval); return (retval < 0) ? retval : -EMSGSIZE; } - if (usb_dev->speed == USB_SPEED_SUPER) { + + if (le16_to_cpu(usb_dev->descriptor.bcdUSB) >= 0x0201) { retval = usb_get_bos_descriptor(usb_dev); - if (retval < 0) { + if (!retval) { + usb_dev->lpm_capable = usb_device_supports_lpm(usb_dev); + } else if (usb_dev->speed == USB_SPEED_SUPER) { mutex_unlock(&usb_bus_list_lock); dev_dbg(parent_dev, "can't read %s bos descriptor %d\n", dev_name(&usb_dev->dev), retval); |
