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Mon, 16 Aug 2021 02:08:11 -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=54076) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1mFYbJ-0000uK-QX; Mon, 16 Aug 2021 02:08:10 -0700 Subject: Re: [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with 'power-source' property From: Michal Simek 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> Message-ID: Date: Mon, 16 Aug 2021 11:08:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 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: 896ecd0b-b81a-4bfd-fcbf-08d9609562e1 X-MS-TrafficTypeDiagnostic: BN6PR02MB2289: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:5516; 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)(376002)(346002)(396003)(39850400004)(136003)(36840700001)(46966006)(9786002)(53546011)(426003)(82740400003)(44832011)(31696002)(4326008)(336012)(478600001)(8676002)(186003)(2616005)(8936002)(7636003)(356005)(26005)(36860700001)(2906002)(31686004)(5660300002)(47076005)(36906005)(316002)(110136005)(83380400001)(54906003)(70206006)(82310400003)(70586007)(36756003)(6666004)(50156003)(43740500002);DIR:OUT;SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Aug 2021 09:08:17.3677 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 896ecd0b-b81a-4bfd-fcbf-08d9609562e1 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: BN1NAM02FT027.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR02MB2289 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Rob, On 8/5/21 9:52 AM, Michal Simek wrote: > > > 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. Any issue with this patch? Or can I apply it to my tree? Thanks, Michal