Hi Daniel, On Mon, Nov 19, 2018 at 11:26 AM Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> wrote: > On 26/10/2018 10:25, Biju Das wrote: > > This patch adds CMT{0|1|2|3} device nodes for r8a7796 SoC. > > > > Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx> > > --- > > This patch is tested against renesas-dev > > > > I have executed on inconsistency-check, nanosleep and clocksource_switch > > selftests on this arm64 SoC. The inconsistency-check and nanosleep tests > > are working fine.The clocksource_switch asynchronous test is failing due > > to inconsistency-check failure on "arch_sys_counter". > > > > But if i skip the clocksource_switching of "arch_sys_counter", the > > asynchronous test is passing for CMT0/1/2/3 timer. > > > > Has any one noticed this issue? > > So now that you mention that, I've been through the clocksource_switch > on another ARM64 platform (hikey960) and disabled the > ARM64_ERRATUM_858921 config option. I can see the same issue. > > Is this option set on your config ? Note that r8a7796 does not have Cortex-A73, but A57/A53. But let's wait for Biju's answer, to see if it makes a difference... Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds