From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755856Ab2BAHJW (ORCPT ); Wed, 1 Feb 2012 02:09:22 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:41799 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753550Ab2BAHJU (ORCPT ); Wed, 1 Feb 2012 02:09:20 -0500 Date: Tue, 31 Jan 2012 23:09:18 -0800 From: Olof Johansson To: Laxman Dewangan Cc: Stephen Warren , "ccross@android.com" , "linux@arm.linux.org.uk" , "linux-tegra@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH V1] arm: tegra: dma: not required to move requestor when stopping. Message-ID: <20120201070918.GA7399@quad.lixom.net> References: <1327392649-27605-1-git-send-email-ldewangan@nvidia.com> <74CDBE0F657A3D45AFBB94109FB122FF178CB81E5F@HQMAIL01.nvidia.com> <4F27CA58.2020809@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4F27CA58.2020809@nvidia.com> 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, Jan 31, 2012 at 04:32:48PM +0530, Laxman Dewangan wrote: > On Wednesday 25 January 2012 02:27 AM, Stephen Warren wrote: > >Laxman Dewangan wrote at Tuesday, January 24, 2012 1:11 AM: > >>It is not require to move the requestor of dma to INVALID > >>option before stopping dma. > >> > >>Signed-off-by: Laxman Dewangan > >Acked-by: Stephen Warren > >Tested-by: Stephen Warren > > > >I know that Laxman has checked with the HW engineers, and they see no > >reason to do this. I was originally worried about hung FIFOs preventing > >an in-progress DMA from completely without the removed code, but according > >to HW, that isn't a concern. > > > Olaf, > Can it be applied if it is OK to you? Yep, applied. -Olof