linux-kernel - Re: [PATCH] pmdomain: mediatek: Use devm_platform_get_and_ioremap_resource() in init

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Message-ID: <8ffda85d-8fc4-4329-ac7c-1afa6c1eaa2e@web.de>
Date: Tue, 6 Feb 2024 07:48:07 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Geert Uytterhoeven <geert@...ux-m68k.org>,
 linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 linux-pm@...r.kernel.org, kernel-janitors@...r.kernel.org,
 Angelo Gioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Heiko Stübner <heiko@...ech.de>,
 Jernej Skrabec <jernej.skrabec@...il.com>,
 Matthias Brugger <matthias.bgg@...il.com>, Rob Herring <robh@...nel.org>,
 Ulf Hansson <ulf.hansson@...aro.org>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pmdomain: mediatek: Use
 devm_platform_get_and_ioremap_resource() in init_scp()

…
>> I got another idea after looking at the implementation of the function
>> “devm_platform_get_and_ioremap_resource” once more.
>> https://elixir.bootlin.com/linux/v6.8-rc3/source/drivers/base/platform.c#L87
…
> Yes, you can pass a NULL pointer as the last parameter.

Would you like to support any approaches which can make interface descriptions clearer
for such an implementation detail?


> And as this is very common, the wrapper devm_platform_ioremap_resource() exists.

I find further collateral evolution interesting for the involved parameter reduction.

Regards,
Markus