diff options
Diffstat (limited to 'arch/openrisc/kernel/process.c')
| -rw-r--r-- | arch/openrisc/kernel/process.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index c49350b200e1..6e9d1cb519f2 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -75,6 +75,17 @@ void machine_power_off(void) __asm__("l.nop 1"); } +/* + * Send the doze signal to the cpu if available. + * Make sure, that all interrupts are enabled + */ +void arch_cpu_idle(void) +{ + local_irq_enable(); + if (mfspr(SPR_UPR) & SPR_UPR_PMP) + mtspr(SPR_PMR, mfspr(SPR_PMR) | SPR_PMR_DME); +} + void (*pm_power_off) (void) = machine_power_off; /* |