Re: [PATCH] clocksource: sh_tmu: Set cpu_possible_mask to fix SMP broadcast

From: Daniel Lezcano
Date: Tue Dec 16 2014 - 06:14:47 EST


On 12/16/2014 10:48 AM, Magnus Damm wrote:
From: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>

Update the TMU driver to use cpu_possible_mask as cpumask to make
r8a7779 SMP work as expected with or without the ARM TWD timer.

Signed-off-by: Magnus Damm <damm+renesas@xxxxxxxxxxxxx>

Applied as a 3.18 fix.

Thanks !

-- Daniel

ps: May I suggest to use the CLOCK_EVT_FEAT_DYNIRQ flag for this driver ?

---

drivers/clocksource/sh_tmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 0001/drivers/clocksource/sh_tmu.c
+++ work/drivers/clocksource/sh_tmu.c 2014-12-16 17:49:49.000000000 +0900
@@ -428,7 +428,7 @@ static void sh_tmu_register_clockevent(s
ced->features = CLOCK_EVT_FEAT_PERIODIC;
ced->features |= CLOCK_EVT_FEAT_ONESHOT;
ced->rating = 200;
- ced->cpumask = cpumask_of(0);
+ ced->cpumask = cpu_possible_mask;
ced->set_next_event = sh_tmu_clock_event_next;
ced->set_mode = sh_tmu_clock_event_mode;
ced->suspend = sh_tmu_clock_event_suspend;



--
<http://www.linaro.org/> Linaro.org â Open source software for ARM SoCs

Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook |
<http://twitter.com/#!/linaroorg> Twitter |
<http://www.linaro.org/linaro-blog/> Blog

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/