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Diffstat (limited to 'arch/powerpc/include/asm/processor.h')
-rw-r--r--arch/powerpc/include/asm/processor.h30
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 1189d04..fab7ff8 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);
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