From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757290AbcCCPdA (ORCPT ); Thu, 3 Mar 2016 10:33:00 -0500 Received: from mga09.intel.com ([134.134.136.24]:21990 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752727AbcCCPc6 (ORCPT ); Thu, 3 Mar 2016 10:32:58 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.22,532,1449561600"; d="scan'208";a="928883230" Date: Thu, 3 Mar 2016 21:07:02 +0530 From: Vinod Koul To: Robert Jarzmik 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 Message-ID: <20160303153702.GO11154@localhost> References: <1455659642-7746-1-git-send-email-robert.jarzmik@free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1455659642-7746-1-git-send-email-robert.jarzmik@free.fr> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 -- ~Vinod