diff options
Diffstat (limited to 'arch/arm/plat-iop/time.c')
| -rw-r--r-- | arch/arm/plat-iop/time.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c index 5730a0d7ed6..bed20f3669f 100644 --- a/arch/arm/plat-iop/time.c +++ b/arch/arm/plat-iop/time.c @@ -51,7 +51,9 @@ iop3xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) { write_seqlock(&xtime_lock); + iop3xx_cp6_enable(); asm volatile("mcr p6, 0, %0, c6, c1, 0" : : "r" (1)); + iop3xx_cp6_disable(); while ((signed long)(next_jiffy_time - *IOP3XX_TU_TCR1) >= ticks_per_jiffy) { @@ -85,10 +87,12 @@ void __init iop3xx_init_time(unsigned long tick_rate) * We use timer 0 for our timer interrupt, and timer 1 as * monotonic counter for tracking missed jiffies. */ + iop3xx_cp6_enable(); asm volatile("mcr p6, 0, %0, c4, c1, 0" : : "r" (ticks_per_jiffy - 1)); asm volatile("mcr p6, 0, %0, c0, c1, 0" : : "r" (timer_ctl)); asm volatile("mcr p6, 0, %0, c5, c1, 0" : : "r" (0xffffffff)); asm volatile("mcr p6, 0, %0, c1, c1, 0" : : "r" (timer_ctl)); + iop3xx_cp6_disable(); setup_irq(IRQ_IOP3XX_TIMER0, &iop3xx_timer_irq); } |