diff options
Diffstat (limited to 'arch/powerpc/include/asm/processor.h')
| -rw-r--r-- | arch/powerpc/include/asm/processor.h | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 1189d04f3bd1..fab7ff877304 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -421,6 +421,26 @@ static inline unsigned long __pack_fe01(unsigned int fpmode) #ifdef CONFIG_PPC64 #define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0) + +#define spin_begin() HMT_low() + +#define spin_cpu_relax() barrier() + +#define spin_cpu_yield() spin_cpu_relax() + +#define spin_end() HMT_medium() + +#define spin_until_cond(cond) \ +do { \ + if (unlikely(!(cond))) { \ + spin_begin(); \ + do { \ + spin_cpu_relax(); \ + } while (!(cond)); \ + spin_end(); \ + } \ +} while (0) + #else #define cpu_relax() barrier() #endif @@ -474,11 +494,11 @@ extern unsigned long cpuidle_disable; enum idle_boot_override {IDLE_NO_OVERRIDE = 0, IDLE_POWERSAVE_OFF}; extern int powersave_nap; /* set if nap mode can be used in idle loop */ -extern unsigned long power7_nap(int check_irq); -extern unsigned long power7_sleep(void); -extern unsigned long power7_winkle(void); -extern unsigned long power9_idle_stop(unsigned long stop_psscr_val, - unsigned long stop_psscr_mask); +extern unsigned long power7_idle_insn(unsigned long type); /* PNV_THREAD_NAP/etc*/ +extern void power7_idle_type(unsigned long type); +extern unsigned long power9_idle_stop(unsigned long psscr_val); +extern void power9_idle_type(unsigned long stop_psscr_val, + unsigned long stop_psscr_mask); extern void flush_instruction_cache(void); extern void hard_reset_now(void); |