This is a note to let you know that I've just added the patch titled
usb: gadget: composite: enable BESL support
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-gadget-composite-enable-besl-support.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a6615937bcd9234e6d6bb817c3701fce44d0a84d Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@xxxxxx>
Date: Tue, 30 Sep 2014 16:08:03 -0500
Subject: usb: gadget: composite: enable BESL support
From: Felipe Balbi <balbi@xxxxxx>
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 <balbi@xxxxxx>
Signed-off-by: Du, Changbin <changbin.du@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/composite.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -528,7 +528,7 @@ static int bos_desc(struct usb_composite
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
Patches currently in stable-queue which might be from balbi@xxxxxx are
queue-3.14/usb-gadget-composite-enable-besl-support.patch
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