1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_IDLE_H 3 #define __ASM_IDLE_H 4 5 #include <linux/cpuidle.h> 6 #include <linux/linkage.h> 7 8 extern void (*cpu_wait)(void); 9 extern void r4k_wait(void); 10 extern asmlinkage void __r4k_wait(void); 11 extern void r4k_wait_irqoff(void); 12 using_rollback_handler(void)13 static inline int using_rollback_handler(void) 14 { 15 return cpu_wait == r4k_wait; 16 } 17 18 extern void __init check_wait(void); 19 20 extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev, 21 struct cpuidle_driver *drv, int index); 22 23 #define MIPS_CPUIDLE_WAIT_STATE {\ 24 .enter = mips_cpuidle_wait_enter,\ 25 .exit_latency = 1,\ 26 .target_residency = 1,\ 27 .power_usage = UINT_MAX,\ 28 .name = "wait",\ 29 .desc = "MIPS wait",\ 30 } 31 32 #endif /* __ASM_IDLE_H */ 33