diff options
author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-02-28 16:04:46 -0500 |
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committer | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-02-28 16:04:46 -0500 |
commit | 6d4915f4f289e9452d5df136a185ee3edc67c943 (patch) | |
tree | f2b46c700f5a0a3a0c5b7f89c762b7ebcd56d0f8 /arch/arm/mach-omap2/timer-gp.c | |
parent | 9a577aa8d55f8607e6f5ea6fb9d52780930d8373 (diff) | |
parent | 02fa9f0451ac639a687bfc145eefe58703ff220e (diff) |
Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into linaro-2.6.38linaro-linux-2.6.38-upstream-01Mar2011
Diffstat (limited to 'arch/arm/mach-omap2/timer-gp.c')
-rw-r--r-- | arch/arm/mach-omap2/timer-gp.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c index 7b7c2683ae7..0fc550e7e48 100644 --- a/arch/arm/mach-omap2/timer-gp.c +++ b/arch/arm/mach-omap2/timer-gp.c @@ -39,6 +39,7 @@ #include <asm/mach/time.h> #include <plat/dmtimer.h> #include <asm/localtimer.h> +#include <asm/sched_clock.h> #include "timer-gp.h" @@ -190,6 +191,7 @@ static void __init omap2_gp_clocksource_init(void) /* * clocksource */ +static DEFINE_CLOCK_DATA(cd); static struct omap_dm_timer *gpt_clocksource; static cycle_t clocksource_read_cycles(struct clocksource *cs) { @@ -204,6 +206,15 @@ static struct clocksource clocksource_gpt = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; +static void notrace dmtimer_update_sched_clock(void) +{ + u32 cyc; + + cyc = omap_dm_timer_read_counter(gpt_clocksource); + + update_sched_clock(&cd, cyc, (u32)~0); +} + /* Setup free-running counter for clocksource */ static void __init omap2_gp_clocksource_init(void) { @@ -224,6 +235,8 @@ static void __init omap2_gp_clocksource_init(void) omap_dm_timer_set_load_start(gpt, 1, 0); + init_sched_clock(&cd, dmtimer_update_sched_clock, 32, tick_rate); + if (clocksource_register_hz(&clocksource_gpt, tick_rate)) printk(err2, clocksource_gpt.name); } |