From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755609AbbBPLOk (ORCPT ); Mon, 16 Feb 2015 06:14:40 -0500 Received: from mail-ob0-f182.google.com ([209.85.214.182]:37658 "EHLO mail-ob0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755445AbbBPLOi (ORCPT ); Mon, 16 Feb 2015 06:14:38 -0500 MIME-Version: 1.0 In-Reply-To: <1423954053-21760-3-git-send-email-robert.jarzmik@free.fr> References: <1423954053-21760-1-git-send-email-robert.jarzmik@free.fr> <1423954053-21760-3-git-send-email-robert.jarzmik@free.fr> From: Vasily Khoruzhick Date: Mon, 16 Feb 2015 14:14:18 +0300 Message-ID: Subject: Re: [PATCH RFC 2/2] ARM: pxa: transition to dmaengine phase 1 To: Robert Jarzmik Cc: Vinod Koul , Arnd Bergmann , Olof Johansson , Daniel Mack , Haojian Zhuang , dmaengine@vger.kernel.org, "linux-kernel@vger.kernel.org" , arm-linux Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 15, 2015 at 1:47 AM, Robert Jarzmik wrote: > In order to slowly transition pxa to dmaengine, the legacy code will now > rely on dmaengine to request a channel. Hi Robert, What about dropping old PXA DMA code completely? Daniel Mack did port for most of PXA drivers to dma engine, I've rebased his patches against 3.17 several months ago and fixed oopses in pxamci and asoc drivers, but I didn't resubmit whole series due to lack of time. My 3.17 tree is at [1], I've tested it on pxa270 machine (Zipit Z2), and everything works fine so far. I guess it won't be too much work to rebase it against linux-3.20. Regards, Vasily [1] https://github.com/anarsoul/linux-2.6/tree/v3.17-pxa-dmaengine-wip From mboxrd@z Thu Jan 1 00:00:00 1970 From: anarsoul@gmail.com (Vasily Khoruzhick) Date: Mon, 16 Feb 2015 14:14:18 +0300 Subject: [PATCH RFC 2/2] ARM: pxa: transition to dmaengine phase 1 In-Reply-To: <1423954053-21760-3-git-send-email-robert.jarzmik@free.fr> References: <1423954053-21760-1-git-send-email-robert.jarzmik@free.fr> <1423954053-21760-3-git-send-email-robert.jarzmik@free.fr> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sun, Feb 15, 2015 at 1:47 AM, Robert Jarzmik wrote: > In order to slowly transition pxa to dmaengine, the legacy code will now > rely on dmaengine to request a channel. Hi Robert, What about dropping old PXA DMA code completely? Daniel Mack did port for most of PXA drivers to dma engine, I've rebased his patches against 3.17 several months ago and fixed oopses in pxamci and asoc drivers, but I didn't resubmit whole series due to lack of time. My 3.17 tree is at [1], I've tested it on pxa270 machine (Zipit Z2), and everything works fine so far. I guess it won't be too much work to rebase it against linux-3.20. Regards, Vasily [1] https://github.com/anarsoul/linux-2.6/tree/v3.17-pxa-dmaengine-wip