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| author | Arnd Bergmann <arnd@arndb.de> | 2012-01-07 20:53:13 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-01-07 20:53:13 +0000 |
| commit | 23c4c1c7b0dd2ebeb90bb6851478c0e80fe9e6b8 (patch) | |
| tree | 60ab5e96f1e6e0ddd46eadf34d8a83ae2d8db72a /arch/arm/mach-tegra/timer.c | |
| parent | e195ffbe4573f79d590e63e2ae32dac2a73d5768 (diff) | |
| parent | 7b9dd47136c07ffd883aff6926c7b281e4c1eea4 (diff) | |
| download | linux-23c4c1c7b0dd2ebeb90bb6851478c0e80fe9e6b8.tar.bz2 | |
Merge branch 'depends/rmk/for-linus' into next/soc
Conflicts:
arch/arm/mach-tegra/board-dt-tegra20.c
arch/arm/mach-tegra/common.c
Diffstat (limited to 'arch/arm/mach-tegra/timer.c')
| -rw-r--r-- | arch/arm/mach-tegra/timer.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c index 6366654b54c5..1d1acda4f3e0 100644 --- a/arch/arm/mach-tegra/timer.c +++ b/arch/arm/mach-tegra/timer.c @@ -19,7 +19,6 @@ #include <linux/init.h> #include <linux/err.h> -#include <linux/sched.h> #include <linux/time.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -106,25 +105,9 @@ static struct clock_event_device tegra_clockevent = { .set_mode = tegra_timer_set_mode, }; -static DEFINE_CLOCK_DATA(cd); - -/* - * Constants generated by clocks_calc_mult_shift(m, s, 1MHz, NSEC_PER_SEC, 60). - * This gives a resolution of about 1us and a wrap period of about 1h11min. - */ -#define SC_MULT 4194304000u -#define SC_SHIFT 22 - -unsigned long long notrace sched_clock(void) -{ - u32 cyc = timer_readl(TIMERUS_CNTR_1US); - return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT); -} - -static void notrace tegra_update_sched_clock(void) +static u32 notrace tegra_read_sched_clock(void) { - u32 cyc = timer_readl(TIMERUS_CNTR_1US); - update_sched_clock(&cd, cyc, (u32)~0); + return timer_readl(TIMERUS_CNTR_1US); } /* @@ -226,8 +209,7 @@ static void __init tegra_init_timer(void) WARN(1, "Unknown clock rate"); } - init_fixed_sched_clock(&cd, tegra_update_sched_clock, 32, - 1000000, SC_MULT, SC_SHIFT); + setup_sched_clock(tegra_read_sched_clock, 32, 1000000); if (clocksource_mmio_init(timer_reg_base + TIMERUS_CNTR_1US, "timer_us", 1000000, 300, 32, clocksource_mmio_readl_up)) { |