From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:49142 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754395AbbG3Bts (ORCPT ); Wed, 29 Jul 2015 21:49:48 -0400 Subject: Patch "usb: dwc3: gadget: return error if command sent to DEPCMD register fails" has been added to the 3.14-stable tree To: subbaraya.sundeep.bhatta@xilinx.com, balbi@ti.com, gregkh@linuxfoundation.org, sbhatta@xilinx.com Cc: , From: Date: Wed, 29 Jul 2015 18:49:47 -0700 Message-ID: <14382209875747@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 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-depcmd-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 know about it. >>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 From: Subbaraya Sundeep Bhatta commit 76e838c9f7765f9a6205b4d558d75a66104bc60d upstream. 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) Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/gadget.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -337,6 +337,8 @@ 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-3.14/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