diff options
Diffstat (limited to 'arch/blackfin/kernel/time.c')
| -rw-r--r-- | arch/blackfin/kernel/time.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/blackfin/kernel/time.c b/arch/blackfin/kernel/time.c index c9113619029..3126b920a4a 100644 --- a/arch/blackfin/kernel/time.c +++ b/arch/blackfin/kernel/time.c @@ -25,7 +25,6 @@ static struct irqaction bfin_timer_irq = { .name = "Blackfin Timer Tick", - .flags = IRQF_DISABLED }; #if defined(CONFIG_IPIPE) @@ -51,7 +50,7 @@ void __init setup_core_timer(void) u32 tcount; /* power up the timer, but don't enable it just yet */ - bfin_write_TCNTL(1); + bfin_write_TCNTL(TMPWR); CSYNC(); /* the TSCALE prescaler counter */ @@ -64,7 +63,7 @@ void __init setup_core_timer(void) /* now enable the timer */ CSYNC(); - bfin_write_TCNTL(7); + bfin_write_TCNTL(TAUTORLD | TMREN | TMPWR); } #endif @@ -86,7 +85,7 @@ time_sched_init(irqreturn_t(*timer_routine) (int, void *)) /* * Should return useconds since last timer tick */ -u32 arch_gettimeoffset(void) +static u32 blackfin_gettimeoffset(void) { unsigned long offset; unsigned long clocks_per_jiffy; @@ -114,16 +113,14 @@ u32 arch_gettimeoffset(void) /* * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick + * as well as call the "xtime_update()" routine every clocktick */ #ifdef CONFIG_CORE_TIMER_IRQ_L1 __attribute__((l1_text)) #endif irqreturn_t timer_interrupt(int irq, void *dummy) { - write_seqlock(&xtime_lock); - do_timer(1); - write_sequnlock(&xtime_lock); + xtime_update(1); #ifdef CONFIG_IPIPE update_root_process_times(get_irq_regs()); @@ -144,6 +141,10 @@ void read_persistent_clock(struct timespec *ts) void __init time_init(void) { +#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET + arch_gettimeoffset = blackfin_gettimeoffset; +#endif + #ifdef CONFIG_RTC_DRV_BFIN /* [#2663] hack to filter junk RTC values that would cause * userspace to have to deal with time values greater than |