diff options
Diffstat (limited to 'arch/arm/mach-omap1/time.c')
| -rw-r--r-- | arch/arm/mach-omap1/time.c | 58 |
1 files changed, 4 insertions, 54 deletions
diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c index 485a21d31004..b8faffa44f9e 100644 --- a/arch/arm/mach-omap1/time.c +++ b/arch/arm/mach-omap1/time.c @@ -37,7 +37,6 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/interrupt.h> -#include <linux/sched.h> #include <linux/spinlock.h> #include <linux/clk.h> #include <linux/err.h> @@ -190,30 +189,9 @@ static __init void omap_init_mpu_timer(unsigned long rate) * --------------------------------------------------------------------------- */ -static DEFINE_CLOCK_DATA(cd); - -static inline unsigned long long notrace _omap_mpu_sched_clock(void) -{ - u32 cyc = ~omap_mpu_timer_read(1); - return cyc_to_sched_clock(&cd, cyc, (u32)~0); -} - -#ifndef CONFIG_OMAP_32K_TIMER -unsigned long long notrace sched_clock(void) -{ - return _omap_mpu_sched_clock(); -} -#else -static unsigned long long notrace omap_mpu_sched_clock(void) -{ - return _omap_mpu_sched_clock(); -} -#endif - -static void notrace mpu_update_sched_clock(void) +static u32 notrace omap_mpu_read_sched_clock(void) { - u32 cyc = ~omap_mpu_timer_read(1); - update_sched_clock(&cd, cyc, (u32)~0); + return ~omap_mpu_timer_read(1); } static void __init omap_init_clocksource(unsigned long rate) @@ -223,7 +201,7 @@ static void __init omap_init_clocksource(unsigned long rate) "%s: can't register clocksource!\n"; omap_mpu_timer_start(1, ~0, 1); - init_sched_clock(&cd, mpu_update_sched_clock, 32, rate); + setup_sched_clock(omap_mpu_read_sched_clock, 32, rate); if (clocksource_mmio_init(&timer->read_tim, "mpu_timer2", rate, 300, 32, clocksource_mmio_readl_down)) @@ -254,30 +232,6 @@ static inline void omap_mpu_timer_init(void) } #endif /* CONFIG_OMAP_MPU_TIMER */ -#if defined(CONFIG_OMAP_MPU_TIMER) && defined(CONFIG_OMAP_32K_TIMER) -static unsigned long long (*preferred_sched_clock)(void); - -unsigned long long notrace sched_clock(void) -{ - if (!preferred_sched_clock) - return 0; - - return preferred_sched_clock(); -} - -static inline void preferred_sched_clock_init(bool use_32k_sched_clock) -{ - if (use_32k_sched_clock) - preferred_sched_clock = omap_32k_sched_clock; - else - preferred_sched_clock = omap_mpu_sched_clock; -} -#else -static inline void preferred_sched_clock_init(bool use_32k_sched_clcok) -{ -} -#endif - static inline int omap_32k_timer_usable(void) { int res = false; @@ -299,12 +253,8 @@ static inline int omap_32k_timer_usable(void) */ static void __init omap1_timer_init(void) { - if (omap_32k_timer_usable()) { - preferred_sched_clock_init(1); - } else { + if (!omap_32k_timer_usable()) omap_mpu_timer_init(); - preferred_sched_clock_init(0); - } } struct sys_timer omap1_timer = { |