From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:52727 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754509AbbFBBvF (ORCPT ); Mon, 1 Jun 2015 21:51:05 -0400 Subject: patch "usb: dwc3: gadget: return error if command sent to DEPCMD register" added to usb-next To: subbaraya.sundeep.bhatta@xilinx.com, balbi@ti.com, sbhatta@xilinx.com, stable@vger.kernel.org From: Date: Tue, 02 Jun 2015 10:47:45 +0900 Message-ID: <14332096659443@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 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 to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >>From 76e838c9f7765f9a6205b4d558d75a66104bc60d Mon Sep 17 00:00:00 2001 From: Subbaraya Sundeep Bhatta Date: Thu, 21 May 2015 15:46:48 +0530 Subject: usb: dwc3: gadget: return error if command sent to DEPCMD register fails We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta Fixes: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver) Cc: Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index fcbe120ba8ce..55b5edc19119 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -330,6 +330,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, dwc3_trace(trace_dwc3_gadget, "Command Complete --> %d", DWC3_DEPCMD_STATUS(reg)); + if (DWC3_DEPCMD_STATUS(reg)) + return -EINVAL; return 0; } -- 2.4.2