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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

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

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)))
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, 
a Linux Foundation Collaborative Project

--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux