linux-kernel - Re: [PATCH v2 2/4] gpio: Add a valid

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Message-ID: <CACRpkdZ=64sgZuyb9sEF6+kOVxPcBdiVvkGgQSio2wO3kpeChg@mail.gmail.com>
Date: Tue, 4 Mar 2025 08:56:51 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Matti Vaittinen <mazziesaccount@...il.com>
Cc: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>, Bartosz Golaszewski <brgl@...ev.pl>, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Biju Das <biju.das.jz@...renesas.com>, Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH v2 2/4] gpio: Add a valid_mask getter

On Fri, Feb 28, 2025 at 1:35 PM Matti Vaittinen
<mazziesaccount@...il.com> wrote:

> The valid_mask member of the struct gpio_chip is unconditionally written
> by the GPIO core at driver registration. It shouldn't be directly
> populated by drivers. This can be prevented by moving it from the struct
> gpio_chip to struct gpio_device, which is internal to the GPIO core.
>
> As a preparatory step, provide a getter function which can be used by
> those drivers which need the valid_mask information.
>
> Signed-off-by: Matti Vaittinen <mazziesaccount@...il.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij