linux-kernel - Re: [PATCH 1/7] ARM: dts: s3c2410: use local header for pinctrl register values

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Message-ID: <89cc9ef4-7a6c-4dd0-3aac-8ad22d8ada2e@linaro.org>
Date:   Sun, 29 May 2022 10:07:56 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Chanho Park <chanho61.park@...sung.com>,
        'Rob Herring' <robh+dt@...nel.org>,
        'Krzysztof Kozlowski' <krzysztof.kozlowski+dt@...aro.org>,
        'Alim Akhtar' <alim.akhtar@...sung.com>,
        'Tomasz Figa' <tomasz.figa@...il.com>,
        'Sylwester Nawrocki' <s.nawrocki@...sung.com>,
        'Linus Walleij' <linus.walleij@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org
Subject: Re: [PATCH 1/7] ARM: dts: s3c2410: use local header for pinctrl
 register values

On 27/05/2022 06:22, Chanho Park wrote:
>> Subject: [PATCH 1/7] ARM: dts: s3c2410: use local header for pinctrl
>> register values
>>
>> The DTS uses hardware register values directly in pin controller pin
>> configuration.  These are not some IDs or other abstraction layer but raw
>> numbers used in the registers.
>>
>> These numbers were previously put in the bindings header to avoid code
>> duplication and to provide some context meaning (name), but they do not
>> fit the purpose of bindings.  It is also quite confusing to use constants
>> prefixed with Exynos for other SoC, because there is actually nothing here
>> in common, except the actual value.
>>
>> Store the constants in a header next to DTS and use them instead of
>> bindings.
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> ---
>>  arch/arm/boot/dts/s3c2410-pinctrl.h    | 19 +++++++++++++
>>  arch/arm/boot/dts/s3c2416-pinctrl.dtsi | 38 +++++++++++++-------------
>>  2 files changed, 38 insertions(+), 19 deletions(-)  create mode 100644
>> arch/arm/boot/dts/s3c2410-pinctrl.h
>>
>> diff --git a/arch/arm/boot/dts/s3c2410-pinctrl.h
>> b/arch/arm/boot/dts/s3c2410-pinctrl.h
>> new file mode 100644
>> index 000000000000..71cb0ac815b3
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/s3c2410-pinctrl.h
>> @@ -0,0 +1,19 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
>> +/*
>> + * Samsung's Exynos pinctrl bindings
> 
> "Exynos" -> "s3c2410"
> 

Thanks, I need to fix it also in other files.

Best regards,
Krzysztof