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From: Michal Simek <michal.simek@xilinx.com>
To: Rob Herring <robh@kernel.org>, Michal Simek <michal.simek@xilinx.com>
Cc: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>,
	"Linus Walleij" <linus.walleij@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	<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: Thu, 5 Aug 2021 09:52:33 +0200	[thread overview]
Message-ID: <fd759de0-d74f-3aa1-ad46-e3ee7f7f7e3f@xilinx.com> (raw)
In-Reply-To: <CAL_Jsq+281knebcN--jQgYWtDQO4OV6ZO5CvnYpaYqrAaiGmPQ@mail.gmail.com>



On 8/2/21 7:29 PM, Rob Herring wrote:
> On Thu, Jul 29, 2021 at 10:59 PM Michal Simek <michal.simek@xilinx.com> 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@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.
>>>
>>
>> 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

  reply	other threads:[~2021-08-05  7:55 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 [this message]
2021-08-16  9:08           ` Michal Simek
2021-07-30 12:43     ` Linus Walleij
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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