Re: linux-next: build warning after merge of the arm-soc tree

Arnd Bergmann
2019-05-03T12:57:35Z

On Fri, May 3, 2019 at 2:49 AM Linus Walleij <linus.walleij@linaro.org> wrote:
>
> On Tue, Apr 30, 2019 at 12:28 AM Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> > After merging the arm-soc tree, today's linux-next build
> > (x86_64 allmodconfig) produced this warning:
> >
> > drivers/clocksource/timer-ixp4xx.c:78:20: warning: 'ixp4xx_read_sched_clock' defined but not used [-Wunused-function]
> > static u64 notrace ixp4xx_read_sched_clock(void)
> > ^~~~~~~~~~~~~~~~~~~~~~~
>
> This is kind of normal for timer drivers, as the sched_clock() call is #ifdef:ed
> for CONFIG_ARM, it is not uniformly available on all archs. This appears
> as a side effect of COMPILE_TEST which I think is fair to produce
> things like this.

Could you send a fixup patch to mark the function __maybe_unused or
move it into the #ifdef?

Arnd