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From: Michal Simek <michal.simek@xilinx.com>
To: Linus Walleij <linus.walleij@linaro.org>, 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 14:46:24 +0200	[thread overview]
Message-ID: <2f5d9197-4a5e-08b5-7e47-595d337478d2@xilinx.com> (raw)
In-Reply-To: <CACRpkdYrHTMLL_CQi0BoNZsXV3=2dBK38pkvd+EEkuPrzoG_Cw@mail.gmail.com>



On 7/30/21 2:43 PM, Linus Walleij wrote:
> 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?

Linux Zynq pinctrl driver and in tree dts files are using io-standard
properties at least from 2015.

M


  reply	other threads:[~2021-07-30 12:47 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
2021-07-30 12:46       ` Michal Simek [this message]
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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