From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758116AbcCCRTg (ORCPT ); Thu, 3 Mar 2016 12:19:36 -0500 Received: from smtp07.smtpout.orange.fr ([80.12.242.129]:47503 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755039AbcCCRTf (ORCPT ); Thu, 3 Mar 2016 12:19:35 -0500 X-ME-Helo: belgarion X-ME-Auth: amFyem1pay5yb2JlcnRAb3JhbmdlLmZy X-ME-Date: Thu, 03 Mar 2016 18:19:33 +0100 X-ME-IP: 92.149.62.249 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 v2] dmaengine: pxa_dma: fix cyclic transfers References: <1455659642-7746-1-git-send-email-robert.jarzmik@free.fr> <20160303153702.GO11154@localhost> X-URL: http://belgarath.falguerolles.org/ Date: Thu, 03 Mar 2016 18:19:29 +0100 In-Reply-To: <20160303153702.GO11154@localhost> (Vinod Koul's message of "Thu, 3 Mar 2016 21:07:02 +0530") Message-ID: <871t7rqy1q.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 Tue, Feb 16, 2016 at 10:54:02PM +0100, Robert Jarzmik wrote: >> While testing audio with pxa2xx-ac97, underrun were happening while the >> user application was correctly feeding the music. Debug proved that the >> cyclic transfer is not cyclic, ie. the last descriptor did not loop on >> the first. >> >> Another issue is that the descriptor length was always set to 8192, >> because of an trivial operator issue. >> >> This was tested on a pxa27x platform. > > Applied, thanks Thanks Vinod ! Cheers. -- Robert