diff mbox

[v2] usb: Enable LPM for USB 2.01+ full-speed devices

Message ID 1429009615-17354-1-git-send-email-rtatiya@codeaurora.org (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

rtatiya@codeaurora.org April 14, 2015, 11:06 a.m. UTC 
USB 2.01+ full-speed devices can have extended descriptor as well
and can support LPM.

Signed-off-by: Rupesh Tatiya <rtatiya@codeaurora.org>
---
 drivers/usb/core/hub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 9ef2d2c..1ed7b5d 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -140,7 +140,7 @@  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)))