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

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On 8/2/21 7:29 PM, Rob Herring wrote:
> On Thu, Jul 29, 2021 at 10:59 PM Michal Simek <michal.simek@xxxxxxxxxx> 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 <lakshmi.sai.krishna.potthuri@xxxxxxxxxx>
>>>> ---
>>>>  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



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