From: Felipe Balbi Date: Tue, 30 Sep 2014 21:08:03 +0000 (-0500) Subject: usb: gadget: composite: enable BESL support X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=3518a2e4bbe8c336d3f59138d1f7bdd628a841b3;p=linux-edison.git usb: gadget: composite: enable BESL support commit a6615937bcd9234e6d6bb817c3701fce44d0a84d upstream. According to USB 2.0 ECN Errata for Link Power Management (USB2-LPM-Errata-final.pdf), BESL must be enabled if LPM is enabled. This helps with USB30CV TD 9.21 LPM L1 Suspend Resume Test. Signed-off-by: Felipe Balbi Signed-off-by: Du, Changbin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 44a292b7501..a660716f933 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -528,7 +528,7 @@ static int bos_desc(struct usb_composite_dev *cdev) usb_ext->bLength = USB_DT_USB_EXT_CAP_SIZE; usb_ext->bDescriptorType = USB_DT_DEVICE_CAPABILITY; usb_ext->bDevCapabilityType = USB_CAP_TYPE_EXT; - usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT); + usb_ext->bmAttributes = cpu_to_le32(USB_LPM_SUPPORT | USB_BESL_SUPPORT); /* * The Superspeed USB Capability descriptor shall be implemented by all