This is a note to let you know that I've just added the patch titled
usb: dwc3: gadget: return error if command sent to DEPCMD register fails
to the 3.10-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-dwc3-gadget-return-error-if-command-sent-to-depcmd-register-fails.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 76e838c9f7765f9a6205b4d558d75a66104bc60d Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xxxxxxxxxx>
Date: Thu, 21 May 2015 15:46:48 +0530
Subject: usb: dwc3: gadget: return error if command sent to DEPCMD register fails
From: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xxxxxxxxxx>
commit 76e838c9f7765f9a6205b4d558d75a66104bc60d upstream.
We need to return error to caller if command is not sent to
controller succesfully.
Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xxxxxxxxxx>
Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver)
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/gadget.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -357,6 +357,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3
if (!(reg & DWC3_DEPCMD_CMDACT)) {
dev_vdbg(dwc->dev, "Command Complete --> %d\n",
DWC3_DEPCMD_STATUS(reg));
+ if (DWC3_DEPCMD_STATUS(reg))
+ return -EINVAL;
return 0;
}
Patches currently in stable-queue which might be from subbaraya.sundeep.bhatta@xxxxxxxxxx are
queue-3.10/usb-dwc3-reset-the-transfer-resource-index-on-set_interface.patch
queue-3.10/usb-dwc3-gadget-return-error-if-command-sent-to-depcmd-register-fails.patch
queue-3.10/usb-dwc3-gadget-return-error-if-command-sent-to-dgcmd-register-fails.patch
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