Re: [PATCH] ARM: exynos: register sched_clock callback
On 04/24/2014 11:21 AM, Vincent Guittot wrote: Use the clocksource mct-frc for sched_clock Signed-off-by: Vincent Guittot vincent.guit...@linaro.org Acked-by: Daniel Lezcano daniel.lezc...@linaro.org [ ... ] -- http://www.linaro.org/ Linaro.org │ 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-samsung-soc in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] ARM: exynos: register sched_clock callback
On 05/02/14 17:30, Daniel Lezcano wrote: On 04/24/2014 11:21 AM, Vincent Guittot wrote: Use the clocksource mct-frc for sched_clock Signed-off-by: Vincent Guittot vincent.guit...@linaro.org Acked-by: Daniel Lezcano daniel.lezc...@linaro.org [ ... ] Applied, thanks. - Kukjin -- To unsubscribe from this list: send the line unsubscribe linux-samsung-soc in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH] ARM: exynos: register sched_clock callback
Hi Vincent,
On 24.04.2014 11:21, Vincent Guittot wrote:
Use the clocksource mct-frc for sched_clock
Signed-off-by: Vincent Guittot vincent.guit...@linaro.org
---
drivers/clocksource/exynos_mct.c | 8
1 file changed, 8 insertions(+)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index a6ee6d7..61b0577 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -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)
Thanks for this patch.
Reviewed-by: Tomasz Figa t.f...@samsung.com
Best regards,
Tomasz
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[PATCH] ARM: exynos: register sched_clock callback
Use the clocksource mct-frc for sched_clock
Signed-off-by: Vincent Guittot vincent.guit...@linaro.org
---
drivers/clocksource/exynos_mct.c | 8
1 file changed, 8 insertions(+)
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index a6ee6d7..61b0577 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -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_LEXYNOS4_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)
--
1.9.1
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