From mboxrd@z Thu Jan 1 00:00:00 1970 From: rtatiya@codeaurora.org Subject: [PATCH] usb: Enable LPM for USB 2.01+ full-speed devices Date: Wed, 25 Mar 2015 12:23:19 +0530 Message-ID: <1427266399-19124-1-git-send-email-rtatiya@codeaurora.org> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: sarah.a.sharp@linux.intel.com, linux-usb@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rupesh Tatiya List-Id: linux-arm-msm@vger.kernel.org From: Rupesh Tatiya USB 2.01+ full-speed devices can have extended descriptor as well and can support LPM. Change-Id: Ic055d51c02651810d3eb7141bab20a090fe8453b Signed-off-by: Rupesh Tatiya --- 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