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Mon, 02 May 2022 00:27:22 -0700 Message-ID: Date: Mon, 2 May 2022 09:27:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCH v2 1/9] ARM: dts: zynq-7000: drop useless 'dma-channels/requests' properties Content-Language: en-US To: Krzysztof Kozlowski , Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Dinh Nguyen , Michal Simek , Liviu Dudau , Sudeep Holla , Lorenzo Pieralisi , Ray Jui , Scott Branden , Broadcom Kernel Team , , , , CC: Rob Herring References: <20220430121902.59895-1-krzysztof.kozlowski@linaro.org> <20220430121902.59895-2-krzysztof.kozlowski@linaro.org> From: Michal Simek In-Reply-To: <20220430121902.59895-2-krzysztof.kozlowski@linaro.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 200947ca-c3f3-4b1c-eeec-08da2c0d3338 X-MS-TrafficTypeDiagnostic: SN6PR02MB5181:EE_ X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 May 2022 07:27:23.1131 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 200947ca-c3f3-4b1c-eeec-08da2c0d3338 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: DM3NAM02FT060.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR02MB5181 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/30/22 14:18, Krzysztof Kozlowski wrote: > The pl330 DMA controller provides number of DMA channels and requests > through its registers, so duplicating this information (with a chance of > mistakes) in DTS is pointless. Additionally the DTS used always wrong > property names which causes DT schema check failures - the bindings > documented 'dma-channels' and 'dma-requests' properties without leading > hash sign. > > Reported-by: Rob Herring > Signed-off-by: Krzysztof Kozlowski > > --- > > Not adding acquired review tag because of significant change. > --- > arch/arm/boot/dts/zynq-7000.dtsi | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi > index 47c2a4b14c06..c193264a86ff 100644 > --- a/arch/arm/boot/dts/zynq-7000.dtsi > +++ b/arch/arm/boot/dts/zynq-7000.dtsi > @@ -343,8 +343,6 @@ dmac_s: dmac@f8003000 { > <0 40 4>, <0 41 4>, > <0 42 4>, <0 43 4>; > #dma-cells = <1>; > - #dma-channels = <8>; > - #dma-requests = <4>; > clocks = <&clkc 27>; > clock-names = "apb_pclk"; > }; Acked-by: Michal Simek If you can take it via your tree that would be great (easier for me than sending pull request with just one patch) but I can also take it. Thanks, Michal