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@@ -24,6 +24,7 @@
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#include <linux/of_irq.h>
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#include <linux/of_address.h>
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#include <linux/clocksource.h>
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+#include <linux/sched_clock.h>
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#define EXYNOS4_MCTREG(x) (x)
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#define EXYNOS4_MCT_G_CNT_L EXYNOS4_MCTREG(0x100)
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@@ -192,12 +193,19 @@ struct clocksource mct_frc = {
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.resume = exynos4_frc_resume,
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};
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+static u64 notrace exynos4_read_sched_clock(void)
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+{
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+ return exynos4_frc_read(&mct_frc);
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+}
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+
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static void __init exynos4_clocksource_init(void)
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{
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exynos4_mct_frc_start(0, 0);
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if (clocksource_register_hz(&mct_frc, clk_rate))
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panic("%s: can't register clocksource\n", mct_frc.name);
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+
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+ sched_clock_register(exynos4_read_sched_clock, 64, clk_rate);
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}
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static void exynos4_mct_comp0_stop(void)
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