From: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com>
To: <balbi@ti.com>
Cc: <gregkh@linuxfoundation.org>, <linux-usb@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <stable@vger.kernel.org>,
"Subbaraya Sundeep Bhatta" <sbhatta@xilinx.com>
Subject: [PATCH v2 2/3] usb: dwc3: gadget: return error if command sent to DGCMD register fails
Date: Thu, 21 May 2015 15:46:47 +0530 [thread overview]
Message-ID: <1432203408-5482-2-git-send-email-sbhatta@xilinx.com> (raw)
In-Reply-To: <1432203408-5482-1-git-send-email-sbhatta@xilinx.com>
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: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support)
Cc: <stable@vger.kernel.org> #v3.5+
---
v2 changes:
Added Fixes and Cc in commit message.
drivers/usb/dwc3/gadget.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 8946c32..fcbe120 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -291,6 +291,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param)
dwc3_trace(trace_dwc3_gadget,
"Command Complete --> %d",
DWC3_DGCMD_STATUS(reg));
+ if (DWC3_DGCMD_STATUS(reg))
+ return -EINVAL;
return 0;
}
--
1.7.4
next prev parent reply other threads:[~2015-05-21 10:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-21 10:16 [PATCH v2 1/3] usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros Subbaraya Sundeep Bhatta
2015-05-21 10:16 ` Subbaraya Sundeep Bhatta [this message]
2015-05-21 10:16 ` [PATCH v2 3/3] usb: dwc3: gadget: return error if command sent to DEPCMD register fails Subbaraya Sundeep Bhatta
2015-06-29 21:47 ` Felipe Balbi
2015-06-29 21:48 ` Felipe Balbi
2015-06-29 23:59 ` John Youn
2015-06-30 0:34 ` Felipe Balbi
2015-07-02 2:03 ` John Youn
2015-07-02 3:00 ` Felipe Balbi
2015-07-07 2:10 ` John Youn
2015-07-07 3:24 ` Felipe Balbi
[not found] ` <F1B223389110CE49B4CF055ABA2E5D3D7825118A@XAP-PVEXMBX02.xlnx.xilinx.com>
2015-07-11 19:29 ` Felipe Balbi
2015-07-13 17:50 ` John Youn
2015-07-13 18:58 ` Felipe Balbi
2015-07-15 9:49 ` Subbaraya Sundeep Bhatta
2015-07-20 17:51 ` Felipe Balbi
2015-07-20 18:16 ` John Youn
2015-07-20 18:37 ` Felipe Balbi
2015-07-01 7:29 ` Subbaraya Sundeep Bhatta
2015-07-06 17:07 ` Felipe Balbi
2015-07-07 5:01 ` Subbaraya Sundeep Bhatta
2015-07-08 9:50 ` Subbaraya Sundeep Bhatta
2015-07-08 18:16 ` Felipe Balbi
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=1432203408-5482-2-git-send-email-sbhatta@xilinx.com \
--to=subbaraya.sundeep.bhatta@xilinx.com \
--cc=balbi@ti.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=sbhatta@xilinx.com \
--cc=stable@vger.kernel.org \
/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