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Thu, 5 Aug 2021 00:55:07 -0700 Envelope-to: git@xilinx.com, saikrishna12468@gmail.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, gregkh@linuxfoundation.org, linus.walleij@linaro.org, robh@kernel.org Received: from [172.30.17.109] (port=57428) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1mBYBA-0003Ic-Jk; Thu, 05 Aug 2021 00:52:36 -0700 Subject: Re: [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with 'power-source' property To: Rob Herring , Michal Simek CC: Sai Krishna Potthuri , "Linus Walleij" , Greg Kroah-Hartman , linux-arm-kernel , "linux-kernel@vger.kernel.org" , , "open list:GPIO SUBSYSTEM" , git , References: <1626868353-96475-1-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com> <1626868353-96475-5-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com> From: Michal Simek Message-ID: Date: Thu, 5 Aug 2021 09:52:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2a6a3665-0c17-4d43-e2ec-08d957e65b70 X-MS-TrafficTypeDiagnostic: DM6PR02MB7034: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.62.198;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:xsj-pvapexch01.xlnx.xilinx.com;PTR:unknown-62-198.xilinx.com;CAT:NONE;SFS:(4636009)(46966006)(36840700001)(70206006)(31696002)(4326008)(356005)(2906002)(36756003)(7636003)(26005)(70586007)(53546011)(6666004)(2616005)(9786002)(5660300002)(426003)(44832011)(186003)(316002)(110136005)(8936002)(82310400003)(36860700001)(336012)(8676002)(31686004)(47076005)(36906005)(54906003)(83380400001)(508600001)(50156003)(43740500002);DIR:OUT;SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 05 Aug 2021 07:55:13.6525 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2a6a3665-0c17-4d43-e2ec-08d957e65b70 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: BN1NAM02FT036.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB7034 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/2/21 7:29 PM, Rob Herring wrote: > On Thu, Jul 29, 2021 at 10:59 PM Michal Simek wrote: >> >> >> >> On 7/29/21 9:59 PM, Rob Herring wrote: >>> On Wed, Jul 21, 2021 at 05:22:33PM +0530, Sai Krishna Potthuri wrote: >>>> Replace 'io-standard' property with 'power-source' property in all zynq dts >>>> files to be in sync with Zynq pinctrl driver. >>>> >>>> Signed-off-by: Sai Krishna Potthuri >>>> --- >>>> arch/arm/boot/dts/zynq-ebaz4205.dts | 8 ++++---- >>>> arch/arm/boot/dts/zynq-microzed.dts | 2 +- >>>> arch/arm/boot/dts/zynq-zc702.dts | 20 ++++++++++---------- >>>> arch/arm/boot/dts/zynq-zc706.dts | 18 +++++++++--------- >>>> 4 files changed, 24 insertions(+), 24 deletions(-) >>>> >>>> diff --git a/arch/arm/boot/dts/zynq-ebaz4205.dts b/arch/arm/boot/dts/zynq-ebaz4205.dts >>>> index b0b836aedd76..be7eae611fb7 100644 >>>> --- a/arch/arm/boot/dts/zynq-ebaz4205.dts >>>> +++ b/arch/arm/boot/dts/zynq-ebaz4205.dts >>>> @@ -57,7 +57,7 @@ >>>> >>>> conf { >>>> groups = "gpio0_20_grp", "gpio0_32_grp"; >>>> - io-standard = <3>; >>>> + power-source = <3>; >>> >>> This will break using a new DT with a kernel without patch 3. >>> >> >> What do you suggest? Not to update any old DT? > > Your options are don't change the dts files, patch 3 needs to go to > stable kernels, or you document the breakage (if you don't care). There is no intention to go to stable kernel and I don't think this is stable material. Linus has applied 3 patches and this one should go via my tree. It means I will make sure that this DT change will be in the tree when pinctrl changes are applied. Thanks, Michal