Axel Lin wrote:
> 
> 2013/3/25 Kukjin Kim <[email protected]>:
> > Axel Lin wrote:
> >>
> >> The of_device_id table is supposed to be zero-terminated.
> >>
> >> Signed-off-by: Axel Lin <[email protected]>
> >> ---
> >>  drivers/clocksource/exynos_mct.c |    1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >> diff --git a/drivers/clocksource/exynos_mct.c
> >> b/drivers/clocksource/exynos_mct.c
> >> index 203ac05..3cdafc0 100644
> >> --- a/drivers/clocksource/exynos_mct.c
> >> +++ b/drivers/clocksource/exynos_mct.c
> >> @@ -514,6 +514,7 @@ static void __init exynos4_timer_resources(struct
> >> device_node *np)
> >>  static const struct of_device_id exynos_mct_ids[] = {
> >>       { .compatible = "samsung,exynos4210-mct", .data = (void
> >> *)MCT_INT_SPI },
> >>       { .compatible = "samsung,exynos4412-mct", .data = (void
> >> *)MCT_INT_PPI },
> >> +     { }
> >
> > Thanks for your pointing out. But as I know, it is not mandatory now.
> >
> > Please correct me if I'm wrong.
> 
> of_find_matching_node_and_match()
> -> __of_match_node()
>     while (matches->name[0] || matches->type[0] || matches->compatible[0])
> 
> My understanding is the implementation in _of_match_node() still needs
> zero-terminated entry to break out the while loop.

OK, you're right. In this case, a null entry is required in
__of_match_node().

Thanks, applied.

- Kukjin

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