MIPS: Idle: Do address fiddlery in helper functions.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/mips/include/asm/idle.h b/arch/mips/include/asm/idle.h
index 8b26ac5c854e..be6f807c1e3f 100644
--- a/arch/mips/include/asm/idle.h
+++ b/arch/mips/include/asm/idle.h
@@ -8,4 +8,15 @@ 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;
+}
+
 #endif /* __ASM_IDLE_H  */