From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752539AbaEUPYW (ORCPT ); Wed, 21 May 2014 11:24:22 -0400 Received: from mout.kundenserver.de ([212.227.126.187]:54420 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751023AbaEUPYU (ORCPT ); Wed, 21 May 2014 11:24:20 -0400 From: Arnd Bergmann To: Maxime Ripard Cc: Dan Williams , Vinod Koul , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org, linux-sunxi@googlegroups.com, kevin.z.m.zh@gmail.com, sunny@allwinnertech.com, shuge@allwinnertech.com, zhuzhenhua@allwinnertech.com, andriy.shevchenko@intel.com Subject: Re: [PATCH v8 0/2] Add support for the Allwinner A31 DMA Controller Date: Wed, 21 May 2014 17:23:41 +0200 Message-ID: <4828893.NoTbcUXQEt@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.11.0-18-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: <1400685357-508-1-git-send-email-maxime.ripard@free-electrons.com> References: <1400685357-508-1-git-send-email-maxime.ripard@free-electrons.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V02:K0:c4Pw/QjBmcMrQ2X/dJ6Jdvm1G45WUSFFpO6h6pPiYB2 zmyFwovu0ajhAxbN0/sShkctZBfLVFuiMguqvWFFYmqCy5XIws 9xOVGKkns1+3CU7+f5o3ECaUyTPCa4DuasYWpTPCsvbAdB2ryG 8dbwMow/gEiUSVnyuEyr9o6rHeQIpSFDj7tEF7fbZk+3uSsmgr FVnJL0Yb4LDREGJinrtPWV23T5h8Vfh5tnXkZJ7hhk1iymRyZr 1FPf9d4KSI9TIm3vGHLDddoNES8Svf5qp+GgY2+ffVMZ+g9wxG lfGlgNIUud01jOVOBQtc44i0OmLhh5aYYk4/pRDfaF4y5IoVg2 dw+iypP12oLYKEnkWiRM= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 21 May 2014 17:15:54 Maxime Ripard wrote: > Changes from v7: > - select DMA_OF, since we're only relying on DT > I missed the discussion about this issue, but it seems wrong to me. DMA_OF is currently enabled if we have both DMAENGINE and OF turned on. If OF is disabled but DMA_OF gets selected by DMA_SUN6I, what happens? Arnd