Re: [PATCH v1 1/1] gpiolib: Discourage to use formatting strings in line names

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

On Sun, May 5, 2024 at 4:14 PM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:

> Currently the documentation for line names allows to use %u inside
> the alternative name. This is broken in character device approach
> from day 1 and being in use solely in sysfs.
>
> Character device interface has a line number as a part of its address,
> so the users better rely on it. Hence remove the misleading documentation.
>
> On top of that, there are no in-kernel users (out of 6, if I'm correct)
> for such names and moreover if one exists it won't help in distinguishing
> lines with the same naming as '%u' will also be in them and we will get
> a warning in gpiochip_set_desc_names() for such cases.
>
> Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

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

Yours,
Linus Walleij