diff options
Diffstat (limited to 'arch/mips/include/asm/idle.h')
| -rw-r--r-- | arch/mips/include/asm/idle.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h new file mode 100644 index 00000000000..d9f932de80e --- /dev/null +++ b/arch/mips/include/asm/idle.h @@ -0,0 +1,37 @@ +#ifndef __ASM_IDLE_H +#define __ASM_IDLE_H + +#include <linux/cpuidle.h> +#include <linux/linkage.h> + +extern void (*cpu_wait)(void); +extern void r4k_wait(void); +extern asmlinkage void __r4k_wait(void); +extern void r4k_wait_irqoff(void); +extern void __pastwait(void); + +static inline int using_rollback_handler(void) +{ + return cpu_wait == r4k_wait; +} + +static inline int address_is_in_r4k_wait_irqoff(unsigned long addr) +{ + return addr >= (unsigned long)r4k_wait_irqoff && + addr < (unsigned long)__pastwait; +} + +extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int index); + +#define MIPS_CPUIDLE_WAIT_STATE {\ + .enter = mips_cpuidle_wait_enter,\ + .exit_latency = 1,\ + .target_residency = 1,\ + .power_usage = UINT_MAX,\ + .flags = CPUIDLE_FLAG_TIME_VALID,\ + .name = "wait",\ + .desc = "MIPS wait",\ +} + +#endif /* __ASM_IDLE_H */ |