Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752996AbcDFPF0 (ORCPT ); Wed, 6 Apr 2016 11:05:26 -0400 Received: from mail-wm0-f50.google.com ([74.125.82.50]:35831 "EHLO mail-wm0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751022AbcDFPFX (ORCPT ); Wed, 6 Apr 2016 11:05:23 -0400 Subject: Re: [PATCH v2 3/5] dmaengine: qcom: bam_dma: add controlled remotely dt property To: Vinod Koul , Stanimir Varbanov References: <1459896982-30171-1-git-send-email-stanimir.varbanov@linaro.org> <1459896982-30171-4-git-send-email-stanimir.varbanov@linaro.org> <20160405234425.GD11586@vkoul-mobl.iind.intel.com> Cc: Rob Herring , Mark Rutland , Andy Gross , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, dmaengine@vger.kernel.org, Sinan Kaya , Pramod Gurav From: Stanimir Varbanov Message-ID: <570525AE.7070700@linaro.org> Date: Wed, 6 Apr 2016 18:05:18 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20160405234425.GD11586@vkoul-mobl.iind.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 735 Lines: 25 On 04/06/2016 02:44 AM, Vinod Koul wrote: > On Wed, Apr 06, 2016 at 01:56:20AM +0300, Stanimir Varbanov wrote: >> Documentation/devicetree/bindings/dma/qcom_bam_dma.txt | 2 ++ >> drivers/dma/qcom/bam_dma.c | 7 +++++++ > > The binding should be a separate patch.. I'm not sure, isn't this rule valid only when we introduce the binding document? But if you insist I can make a separate patch. > >> >> + bdev->controlled_remotely = of_property_read_bool(pdev->dev.of_node, >> + "qcom,controlled-remotely"); >> + > > we need some defaults here, how will this work with boards withe older DT. > if the introduced property missing from DT node the driver behavior is preserved. -- regards, Stan