linux-kernel - Re: [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with 'power-source' property

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Date:   Fri, 30 Jul 2021 06:59:03 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     Rob Herring <robh@...nel.org>,
        Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@...inx.com>
CC:     Linus Walleij <linus.walleij@...aro.org>,
        Michal Simek <michal.simek@...inx.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-gpio@...r.kernel.org>, <git@...inx.com>,
        <saikrishna12468@...il.com>
Subject: Re: [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with
 'power-source' property



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 <lakshmi.sai.krishna.potthuri@...inx.com>
>> ---
>>  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?

Thanks,
Michal