Re: [PATCH] gpio: aspeed: fix compile testing warning

From: Linus Walleij
Date: Fri Jul 13 2018 - 03:07:08 EST


On Tue, Jul 10, 2018 at 1:53 AM Benjamin Herrenschmidt
<benh@xxxxxxxxxxxxxxxxxxx> wrote:

> On Mon, 2018-07-09 at 16:56 +0200, Arnd Bergmann wrote:
> > Gcc cannot always see that BUG_ON(1) is guaranteed to not
> > return, so we get a warning message in some configurations:
> >
> > drivers/gpio/gpio-aspeed.c: In function 'bank_reg':
> > drivers/gpio/gpio-aspeed.c:244:1: error: control reaches end of non-void function [-Werror=return-type]
> >
> > Using a plain BUG() is easier here and avoids the problem.
> >
> > Fixes: 44ddf559d579 ("gpio: aspeed: Rework register type accessors")
> > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>
> Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
>
> Linus, can you plonk that on top of the patches in that topic branch
> you created ?

I put it on top of my devel branch where I merged in the topic
branch.

As it's a fringe thing anyways I don't think we need to recreate the
topic branch for this.

Yours,
Linus Walleij