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exynos_mct update for v3.16

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- register sched_clock callback to use clocksource mct-frc
 
 Note that got ack from Daniel
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Merge tag 'samsung-drivers' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers

Merge "Samsung driver update for 3.16" from Kukjin Kim:

exynos_mct update for v3.16

- register sched_clock callback to use clocksource mct-frc

* tag 'samsung-drivers' of http://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  clocksource: exynos_mct: register sched_clock callback

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2014-05-21 22:32:57 -07:00
commit efca0a3e85
1 changed files with 8 additions and 0 deletions
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8
drivers/clocksource/exynos_mct.c
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@ -24,6 +24,7 @@
#include <linux/of_irq.h>
#include <linux/of_address.h>
#include <linux/clocksource.h>
#include <linux/sched_clock.h>
#define EXYNOS4_MCTREG(x) (x)
#define EXYNOS4_MCT_G_CNT_L EXYNOS4_MCTREG(0x100)
@ -192,12 +193,19 @@ struct clocksource mct_frc = {
.resume = exynos4_frc_resume,
};
static u64 notrace exynos4_read_sched_clock(void)
{
return exynos4_frc_read(&mct_frc);
}
static void __init exynos4_clocksource_init(void)
{
exynos4_mct_frc_start(0, 0);
if (clocksource_register_hz(&mct_frc, clk_rate))
panic("%s: can't register clocksource\n", mct_frc.name);
sched_clock_register(exynos4_read_sched_clock, 64, clk_rate);
}
static void exynos4_mct_comp0_stop(void)