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From: Linus Walleij <linus.walleij@linaro.org>
To: Rob Herring <robh@kernel.org>
Cc: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>,
	Michal Simek <michal.simek@xilinx.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	git <git@xilinx.com>,
	saikrishna12468@gmail.com
Subject: Re: [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with 'power-source' property
Date: Fri, 30 Jul 2021 14:43:57 +0200	[thread overview]
Message-ID: <CACRpkdYrHTMLL_CQi0BoNZsXV3=2dBK38pkvd+EEkuPrzoG_Cw@mail.gmail.com> (raw)
In-Reply-To: <YQMIhBPwcNw1YqMq@robh.at.kernel.org>

On Thu, Jul 29, 2021 at 9:59 PM Rob Herring <robh@kernel.org> 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@xilinx.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.

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?

Yours,
Linus Walleij

  parent reply	other threads:[~2021-07-30 12:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-21 11:52 [PATCH 0/4] pinctrl: pinctrl-zynq: yaml conversion and minor driver updates Sai Krishna Potthuri
2021-07-21 11:52 ` [PATCH 1/4] dt-bindings: pinctrl: pinctrl-zynq: Convert to yaml Sai Krishna Potthuri
2021-07-29 19:56   ` Rob Herring
2021-07-21 11:52 ` [PATCH 2/4] dt-bindings: pinctrl-zynq: Replace 'io-standard' with 'power-source' Sai Krishna Potthuri
2021-07-21 11:52 ` [PATCH 3/4] pinctrl: pinctrl-zynq: Add support for 'power-source' parameter Sai Krishna Potthuri
2021-07-21 11:52 ` [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with 'power-source' property Sai Krishna Potthuri
2021-07-29 19:59   ` Rob Herring
2021-07-30  4:59     ` Michal Simek
2021-08-02 17:29       ` Rob Herring
2021-08-05  7:52         ` Michal Simek
2021-08-16  9:08           ` Michal Simek
2021-07-30 12:43     ` Linus Walleij [this message]
2021-07-30 12:46       ` Michal Simek
2021-08-02 13:19         ` Linus Walleij
2021-08-02 17:21           ` Michal Simek
2021-07-30 12:41 ` [PATCH 0/4] pinctrl: pinctrl-zynq: yaml conversion and minor driver updates Linus Walleij

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