diff options
Diffstat (limited to 'arch/arm/kernel/arch_timer.c')
| -rw-r--r-- | arch/arm/kernel/arch_timer.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/arm/kernel/arch_timer.c b/arch/arm/kernel/arch_timer.c index c04c2a6da47..c8ef20747ee 100644 --- a/arch/arm/kernel/arch_timer.c +++ b/arch/arm/kernel/arch_timer.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <asm/cputype.h> +#include <asm/delay.h> #include <asm/localtimer.h> #include <asm/arch_timer.h> #include <asm/system_info.h> @@ -39,8 +40,7 @@ enum ppi_nr { static int arch_timer_ppi[MAX_TIMER_PPI]; static struct clock_event_device __percpu **arch_timer_evt; - -extern void init_current_timer_delay(unsigned long freq); +static struct delay_timer arch_delay_timer; static bool arch_timer_use_virtual = true; @@ -325,12 +325,9 @@ static cycle_t arch_counter_read(struct clocksource *cs) return arch_counter_get_cntpct(); } -int read_current_timer(unsigned long *timer_val) +static unsigned long arch_timer_read_current_timer(void) { - if (!arch_timer_rate) - return -ENXIO; - *timer_val = arch_counter_get_cntpct(); - return 0; + return arch_counter_get_cntpct(); } static cycle_t arch_counter_read_cc(const struct cyclecounter *cc) @@ -441,11 +438,13 @@ static int __init arch_timer_register(void) arch_timer_global_evt.cpumask = cpumask_of(0); err = arch_timer_setup(&arch_timer_global_evt); } - if (err) goto out_free_irq; - init_current_timer_delay(arch_timer_rate); + /* Use the architected timer for the delay loop. */ + arch_delay_timer.read_current_timer = &arch_timer_read_current_timer; + arch_delay_timer.freq = arch_timer_rate; + register_current_timer_delay(&arch_delay_timer); return 0; out_free_irq: |