Re: [PATCH] clocksource/drivers/timer-ti-dm: Fix compile test warning

From: Tony Lindgren
Date: Mon Aug 15 2022 - 09:03:45 EST


* Arnd Bergmann <arnd@xxxxxxxx> [220815 12:48]:
> On Mon, Aug 15, 2022 at 2:03 PM Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> >
> > We can get a warning with COMPILE_TEST enabled for omap_timer_match
> > for 'omap_timer_match' defined but not used.
> >
> > Fixes: ab0bbef3ae0f ("clocksource/drivers/timer-ti-dm: Make timer selectable for ARCH_K3")
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
> > ---
> > drivers/clocksource/timer-ti-dm.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
> > --- a/drivers/clocksource/timer-ti-dm.c
> > +++ b/drivers/clocksource/timer-ti-dm.c
> > @@ -1040,7 +1040,7 @@ static const struct dmtimer_platform_data am6_pdata = {
> > .timer_ops = &dmtimer_ops,
> > };
> >
> > -static const struct of_device_id omap_timer_match[] = {
> > +static const __maybe_unused struct of_device_id omap_timer_match[] = {
> > {
> > .compatible = "ti,omap2420-timer",
> > },
>
> I think a better way to address this is to remove the of_match_ptr()
> usage from the driver. The only reason to use of_match_ptr() is to save
> a few bytes on machines that don't have CONFIG_OF enabled, but this
> driver is not used on such machines any more.

OK makes sense, will send v2 patch.

Thanks,

Tony