From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:52712 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754484AbbFBBuv (ORCPT ); Mon, 1 Jun 2015 21:50:51 -0400 Subject: patch "usb: dwc3: gadget: return error if command sent to DGCMD 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 10:47:44 +0900 Message-ID: <143320966423666@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 DGCMD 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 891b1dc022955d36cf4c0f42d383226a930db7ed Mon Sep 17 00:00:00 2001 From: Subbaraya Sundeep Bhatta Date: Thu, 21 May 2015 15:46:47 +0530 Subject: usb: dwc3: gadget: return error if command sent to DGCMD register fails We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Cc: #v3.5+ 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 8946c32047e9..fcbe120ba8ce 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; } -- 2.4.2