From a8425292816ceaa8c49e29d2114e85d85a73e080 Mon Sep 17 00:00:00 2001 From: Rupesh Tatiya Date: Tue, 14 Apr 2015 16:36:55 +0530 Subject: [PATCH] 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: Rupesh Tatiya Signed-off-by: Greg Kroah-Hartman --- 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 95041b66b912..52178bc69297 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -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))) -- 2.34.1