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Commit a8425292 authored by Rupesh Tatiya's avatar Rupesh Tatiya Committed by Greg Kroah-Hartman
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usb: Enable LPM for USB 2.01+ full-speed devices



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

Signed-off-by: default avatarRupesh Tatiya <rtatiya@codeaurora.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7d203a9e
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+1 −1
Original line number Original line Diff line number Diff line
@@ -127,7 +127,7 @@ static int usb_device_supports_lpm(struct usb_device *udev)
	/* USB 2.1 (and greater) devices indicate LPM support through
	/* USB 2.1 (and greater) devices indicate LPM support through
	 * their USB 2.0 Extended Capabilities BOS descriptor.
	 * 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 &&
		if (udev->bos->ext_cap &&
			(USB_LPM_SUPPORT &
			(USB_LPM_SUPPORT &
			 le32_to_cpu(udev->bos->ext_cap->bmAttributes)))
			 le32_to_cpu(udev->bos->ext_cap->bmAttributes)))