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-rw-r--r--arch/arm/plat-iop/time.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index 5730a0d7ed67..bed20f3669f4 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);
}