stable.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: <gregkh@linuxfoundation.org>
To: subbaraya.sundeep.bhatta@xilinx.com, balbi@ti.com,
	gregkh@linuxfoundation.org, sbhatta@xilinx.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "usb: dwc3: gadget: return error if command sent to DEPCMD register fails" has been added to the 3.10-stable tree
Date: Wed, 29 Jul 2015 18:49:13 -0700	[thread overview]
Message-ID: <1438220953455@kroah.com> (raw)


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@vger.kernel.org> know about it.


>From 76e838c9f7765f9a6205b4d558d75a66104bc60d Mon Sep 17 00:00:00 2001
From: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com>
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@xilinx.com>

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@xilinx.com>
Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver)
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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@xilinx.com 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

                 reply	other threads:[~2015-07-30  1:49 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1438220953455@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=balbi@ti.com \
    --cc=sbhatta@xilinx.com \
    --cc=stable-commits@vger.kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=subbaraya.sundeep.bhatta@xilinx.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).