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 DGCMD register fails
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-dwc3-gadget-return-error-if-command-sent-to-dgcmd-register-fails.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 <[email protected]> know about it.
>From 891b1dc022955d36cf4c0f42d383226a930db7ed Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep Bhatta <[email protected]>
Date: Thu, 21 May 2015 15:46:47 +0530
Subject: usb: dwc3: gadget: return error if command sent to DGCMD register fails
From: Subbaraya Sundeep Bhatta <[email protected]>
commit 891b1dc022955d36cf4c0f42d383226a930db7ed upstream.
We need to return error to caller if command is not sent to
controller succesfully.
Signed-off-by: Subbaraya Sundeep Bhatta <[email protected]>
Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support)
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/usb/dwc3/gadget.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -299,6 +299,8 @@ int dwc3_send_gadget_generic_command(str
if (!(reg & DWC3_DGCMD_CMDACT)) {
dev_vdbg(dwc->dev, "Command Complete --> %d\n",
DWC3_DGCMD_STATUS(reg));
+ if (DWC3_DGCMD_STATUS(reg))
+ return -EINVAL;
return 0;
}
Patches currently in stable-queue which might be from
[email protected] are
queue-3.14/usb-dwc3-reset-the-transfer-resource-index-on-set_interface.patch
queue-3.14/usb-dwc3-gadget-return-error-if-command-sent-to-depcmd-register-fails.patch
queue-3.14/usb-dwc3-gadget-return-error-if-command-sent-to-dgcmd-register-fails.patch
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