diff options
Diffstat (limited to 'arch/arm/mach-iop13xx/time.c')
| -rw-r--r-- | arch/arm/mach-iop13xx/time.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/arm/mach-iop13xx/time.c b/arch/arm/mach-iop13xx/time.c index 8b21365f653..fc9d9d9a842 100644 --- a/arch/arm/mach-iop13xx/time.c +++ b/arch/arm/mach-iop13xx/time.c @@ -38,11 +38,8 @@ static inline u32 read_tcr1(void) unsigned long iop13xx_gettimeoffset(void) { unsigned long offset; - u32 cp_flags; - cp_flags = iop13xx_cp6_save(); offset = next_jiffy_time - read_tcr1(); - iop13xx_cp6_restore(cp_flags); return offset / ticks_per_usec; } @@ -50,8 +47,6 @@ unsigned long iop13xx_gettimeoffset(void) static irqreturn_t iop13xx_timer_interrupt(int irq, void *dev_id) { - u32 cp_flags = iop13xx_cp6_save(); - write_seqlock(&xtime_lock); asm volatile("mcr p6, 0, %0, c6, c9, 0" : : "r" (1)); @@ -64,8 +59,6 @@ iop13xx_timer_interrupt(int irq, void *dev_id) write_sequnlock(&xtime_lock); - iop13xx_cp6_restore(cp_flags); - return IRQ_HANDLED; } @@ -78,7 +71,6 @@ static struct irqaction iop13xx_timer_irq = { void __init iop13xx_init_time(unsigned long tick_rate) { u32 timer_ctl; - u32 cp_flags; ticks_per_jiffy = (tick_rate + HZ/2) / HZ; ticks_per_usec = tick_rate / 1000000; @@ -91,12 +83,10 @@ void __init iop13xx_init_time(unsigned long tick_rate) * We use timer 0 for our timer interrupt, and timer 1 as * monotonic counter for tracking missed jiffies. */ - cp_flags = iop13xx_cp6_save(); asm volatile("mcr p6, 0, %0, c4, c9, 0" : : "r" (ticks_per_jiffy - 1)); asm volatile("mcr p6, 0, %0, c0, c9, 0" : : "r" (timer_ctl)); asm volatile("mcr p6, 0, %0, c5, c9, 0" : : "r" (0xffffffff)); asm volatile("mcr p6, 0, %0, c1, c9, 0" : : "r" (timer_ctl)); - iop13xx_cp6_restore(cp_flags); setup_irq(IRQ_IOP13XX_TIMER0, &iop13xx_timer_irq); } |