Re: [PATCH v3 3/3] clocksource: exynos_mct: Only use 32-bits where possible

2014-06-23 Thread Vincent Guittot
Hi Doug, Acked-by Vincent Guittot vincent.guit...@linaro.org Vincent On 20 June 2014 19:47, Doug Anderson diand...@chromium.org wrote: The MCT has a nice 64-bit counter. That means that we _can_ register as a 64-bit clocksource and sched_clock. ...but that doesn't mean we should. The 64

Re: [PATCH 2/3] clocksource: exynos_mct: cache mct upper count

2014-06-05 Thread Vincent Guittot
On 4 June 2014 19:30, Doug Anderson diand...@chromium.org wrote: From: Mandeep Singh Baines m...@chromium.org Saves one register read. Note that the upper count only changes every ~178 seconds with a 24MHz source clock, so it's likely it hasn't changed from call to call. Hi Doug, Have you

Re: [PATCH] arm: dts: exynos5: Remove multi core timer

2014-05-29 Thread Vincent Guittot
On 28 May 2014 19:37, Doug Anderson diand...@chromium.org wrote: Tomasz, On Thu, May 15, 2014 at 3:44 PM, Doug Anderson diand...@chromium.org wrote: Tomasz, On Thu, May 15, 2014 at 3:13 PM, Tomasz Figa tomasz.f...@gmail.com wrote: NOTE: if for some reason we need to keep the MCT around,

[PATCH] ARM: exynos: register sched_clock callback

2014-04-24 Thread Vincent Guittot
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