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ARM: EXYNOS4: restart clocksource while system resumes 

System resume can't be completed because mct-frc isn't restarted
after system suspends. This patch restarts mct-frc during system
resume.

Reported-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Changhwan Youn 2011-09-02 14:10:52 +09:00 committed by Kukjin Kim
parent 4bd0fe1c78
commit aa421c13a9
1 changed files with 6 additions and 0 deletions
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6
arch/arm/mach-exynos4/mct.c
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@ -132,12 +132,18 @@ static cycle_t exynos4_frc_read(struct clocksource *cs)
return ((cycle_t)hi << 32) | lo; return ((cycle_t)hi << 32) | lo;
} }
static void exynos4_frc_resume(struct clocksource *cs)
{
exynos4_mct_frc_start(0, 0);
}
struct clocksource mct_frc = { struct clocksource mct_frc = {
.name = "mct-frc", .name = "mct-frc",
.rating = 400, .rating = 400,
.read = exynos4_frc_read, .read = exynos4_frc_read,
.mask = CLOCKSOURCE_MASK(64), .mask = CLOCKSOURCE_MASK(64),
.flags = CLOCK_SOURCE_IS_CONTINUOUS, .flags = CLOCK_SOURCE_IS_CONTINUOUS,
.resume = exynos4_frc_resume,
}; };
static void __init exynos4_clocksource_init(void) static void __init exynos4_clocksource_init(void)