From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v2 1/2] dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier Date: Fri, 22 Feb 2019 14:42:12 -0600 Message-ID: <20190222204212.GA26859@bogus> References: <652a8ef9554890c254823ec39858b8d7413fd561.1550719757.git.baolin.wang@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <652a8ef9554890c254823ec39858b8d7413fd561.1550719757.git.baolin.wang@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Cc: vkoul@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de, orsonzhai@gmail.com, zhang.lyra@gmail.com, dan.j.williams@intel.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, eric.long@unisoc.com, broonie@kernel.org, baolin.wang@linaro.org List-Id: devicetree@vger.kernel.org On Thu, 21 Feb 2019 13:34:40 +0800, Baolin Wang wrote: > For Spreadtrum DMA engine, all channels are equal, which means slave can > request any channels with setting a unique slave id to trigger this channel. > > Thus we can remove the channel id from device tree to assign the channel > dynamically, moreover we should add the slave id in device tree. > > Signed-off-by: Baolin Wang > --- > Changes from v1: > - Remove channel id from DT. > --- > Documentation/devicetree/bindings/dma/sprd-dma.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Rob Herring