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Fri, 30 Jul 2021 05:46:28 -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, robh@kernel.org, linus.walleij@linaro.org Received: from [172.30.17.109] (port=36954) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1m9RuE-0005re-TD; Fri, 30 Jul 2021 05:46:27 -0700 Subject: Re: [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with 'power-source' property To: Linus Walleij , Rob Herring CC: Sai Krishna Potthuri , "Michal Simek" , Greg Kroah-Hartman , Linux ARM , linux-kernel , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "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: <2f5d9197-4a5e-08b5-7e47-595d337478d2@xilinx.com> Date: Fri, 30 Jul 2021 14:46:24 +0200 User-Agent: Mozilla/5.0 (X11; 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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jul 2021 12:46:32.7924 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9cc50e28-05be-458f-b21a-08d953580f4f 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: SN1NAM02FT0014.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB4393 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/30/21 2:43 PM, Linus Walleij wrote: > On Thu, Jul 29, 2021 at 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. > > The old (Linux) kernel never supported the "io-standard" property > anyway. > > Unless someone is running som BSD or Windows with support for > this property it can be merged by the quality of zero real-world > impacts (no-one there to hear the tree fall in the forest). > > Sai Krishna: correct? Linux Zynq pinctrl driver and in tree dts files are using io-standard properties at least from 2015. M