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

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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).

Rob



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