From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751345AbcDPIJc (ORCPT ); Sat, 16 Apr 2016 04:09:32 -0400 Received: from smtp09.smtpout.orange.fr ([80.12.242.131]:40575 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751256AbcDPIJY (ORCPT ); Sat, 16 Apr 2016 04:09:24 -0400 X-ME-Helo: belgarion X-ME-Auth: amFyem1pay5yb2JlcnRAb3JhbmdlLmZy X-ME-Date: Sat, 16 Apr 2016 10:09:22 +0200 X-ME-IP: 92.156.135.56 From: Robert Jarzmik To: Vinod Koul Cc: Daniel Mack , Haojian Zhuang , linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] dmaengine: pxa: handle bus errors References: <1459200744-13245-1-git-send-email-robert.jarzmik@free.fr> <20160413135324.GQ2274@localhost> <87k2k0t5gh.fsf@belgarion.home> <20160416051834.GY2274@localhost> X-URL: http://belgarath.falguerolles.org/ Date: Sat, 16 Apr 2016 10:09:19 +0200 In-Reply-To: <20160416051834.GY2274@localhost> (Vinod Koul's message of "Sat, 16 Apr 2016 10:48:34 +0530") Message-ID: <87d1pqt1ow.fsf@belgarion.home> User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.4 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vinod Koul writes: > On Thu, Apr 14, 2016 at 08:23:26PM +0200, Robert Jarzmik wrote: >> Vinod Koul writes: >> >> > So what exactly are you trying to fix/achive here? >> Euh you mean the first chapter about the "endless spin" is not clear ? >> This is what I'm trying to fix, the unstoppable endless relauch of a descriptor >> doomed to make the same bus error over and over again. > > Okay so IIUC the patch here essential stops all transfers and abort the > channel, right? That's exactly it, yes, abort the channel, stop all the transfers. Cheers. -- Robert