diff options
author | Paul Mundt <lethal@linux-sh.org> | 2012-01-09 11:12:55 +0900 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2012-01-09 11:12:55 +0900 |
commit | ca371d2854d48c0c22e7aa031df182f96dc85820 (patch) | |
tree | 1c62be8b4da0bfc82fa7ffa1ad5b0e958266cbd1 /arch/arm/mach-tegra/timer.c | |
parent | 0d376945d0bc0a8f8e00861d506b10e42e8af372 (diff) | |
parent | a0e86bd4252519321b0d102dc4ed90557aa7bee9 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Conflicts:
arch/arm/mach-shmobile/clock-sh73a0.c
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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 e2272d263a83..732c724008b1 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); } /* @@ -218,8 +201,7 @@ 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)) { |