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usb: Enable LPM for USB 2.01+ full-speed devices

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USB 2.01+ full-speed devices can have extended descriptor as well
and can support LPM.

Signed-off-by: Rupesh Tatiya <rtatiya@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rupesh Tatiya 2015-04-14 16:36:55 +05:30 committed by Greg Kroah-Hartman
parent 7d203a9e11
commit a842529281
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/core/hub.c
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@ -127,7 +127,7 @@ static int usb_device_supports_lpm(struct usb_device *udev)
/* USB 2.1 (and greater) devices indicate LPM support through
* their USB 2.0 Extended Capabilities BOS descriptor.
*/
if (udev->speed == USB_SPEED_HIGH) {
if (udev->speed == USB_SPEED_HIGH || udev->speed == USB_SPEED_FULL) {
if (udev->bos->ext_cap &&
(USB_LPM_SUPPORT &
le32_to_cpu(udev->bos->ext_cap->bmAttributes)))