[3.16.y-ckt stable] Patch "usb: gadget: composite: enable BESL support" has been added to staging queue
Luis Henriques
luis.henriques at canonical.com
Wed May 6 09:49:12 UTC 2015
This is a note to let you know that I have just added a patch titled
usb: gadget: composite: enable BESL support
to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree
which can be found at:
http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue
This patch is scheduled to be released in version 3.16.7-ckt11.
If you, or anyone else, feels it should not be added to this tree, please
reply to this email.
For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
Thanks.
-Luis
------
>From 879666dfc2ae527286d46c41a6dbfb83da2d524d Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi at ti.com>
Date: Tue, 30 Sep 2014 16:08:03 -0500
Subject: 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 <balbi at ti.com>
Cc: Du, Changbin <changbin.du at intel.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
drivers/usb/gadget/composite.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index f80151932053..9536b6abf65b 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -560,7 +560,7 @@ 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
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