diff options
Diffstat (limited to 'arch/arm/kernel/time.c')
| -rw-r--r-- | arch/arm/kernel/time.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c index fc47291..d6bd435 100644 --- a/arch/arm/kernel/time.c +++ b/arch/arm/kernel/time.c @@ -29,9 +29,6 @@ #include <linux/sysdev.h> #include <linux/timer.h> -#include <asm/hardware.h> -#include <asm/io.h> -#include <asm/irq.h> #include <asm/leds.h> #include <asm/thread_info.h> #include <asm/mach/time.h> @@ -425,12 +422,14 @@ static int timer_dyn_tick_disable(void) void timer_dyn_reprogram(void) { struct dyn_tick_timer *dyn_tick = system_timer->dyn_tick; + unsigned long next, seq; - if (dyn_tick) { - write_seqlock(&xtime_lock); - if (dyn_tick->state & DYN_TICK_ENABLED) + if (dyn_tick && (dyn_tick->state & DYN_TICK_ENABLED)) { + next = next_timer_interrupt(); + do { + seq = read_seqbegin(&xtime_lock); dyn_tick->reprogram(next_timer_interrupt() - jiffies); - write_sequnlock(&xtime_lock); + } while (read_seqretry(&xtime_lock, seq)); } } |