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

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Date:   Mon, 2 Aug 2021 19:21:58 +0200
From:   Michal Simek <monstr@...str.eu>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Rob Herring <robh@...nel.org>,
        Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@...inx.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        git <git@...inx.com>, saikrishna12468@...il.com
Subject: Re: [PATCH 4/4] arm: dts: zynq: Replace 'io-standard' with
 'power-source' property

po 2. 8. 2021 v 15:20 odesílatel Linus Walleij
<linus.walleij@...aro.org> napsal:
>
> On Fri, Jul 30, 2021 at 2:46 PM Michal Simek <michal.simek@...inx.com> wrote:
>
> > Linux Zynq pinctrl driver and in tree dts files are using io-standard
> > properties at least from 2015.
>
> Ooops my wrong.
>
> What about supporting both the new property and io-standard as
> a fallback, simply?

That's exactly what I have Sai to do and PIN_CONFIG_IOSTANDARD is still there.

https://lore.kernel.org/linux-arm-kernel/1626868353-96475-1-git-send-email-lakshmi.sai.krishna.potthuri@xilinx.com/T/#md7d304d9d8f746e51d909237b9073f2ae8930543

But IIRC I have also asked to show any warning message when io
standard property is used to convert to new property.

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs