diff options
| -rw-r--r-- | arch/arm/include/asm/system.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 78ca8e0a6d..1918492eae 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -61,6 +61,12 @@ #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t"); +#ifdef __ARM_ARCH_7A__ +#define wfi() __asm__ __volatile__ ("wfi" : : : "memory") +#else +#define wfi() +#endif + static inline unsigned int get_cr(void) { unsigned int val; |