Re: [PATCH v2] gpio: just plain warning when nonexisting gpio requested

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On Wed, Dec 2, 2020 at 2:37 PM Enrico Weigelt, metux IT consult
<info@xxxxxxxxx> wrote:

> From: Enrico Weigelt <info@xxxxxxxxx>
>
> When trying to export an nonexisting gpio ID, the kernel prints out a
> big warning w/ stacktrace, sounding like a huge problem. In fact it's
> a pretty normal situation, like file or device not found.
>
> So, just print a more relaxed warning instead.
>
> changes v2: drop defining pr_fmt()
>
> Signed-off-by: Enrico Weigelt <info@xxxxxxxxx>

Hm hm. It would mainly happen if someone was using the sysfs
ABI right? I don't mind if sysfs feels scary to use.

But I see it can happen for other code using the old GPIO
symbols so OK I applied it.

Yours,
Linus Walleij



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