diff options
Diffstat (limited to 'arch/arm/include/asm/io.h')
| -rw-r--r-- | arch/arm/include/asm/io.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 214f3ea..6d18eb3 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -136,6 +136,7 @@ extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) * TODO: The kernel offers some more advanced versions of barriers, it might * have some advantages to use them instead of the simple one here. */ +#define mb() asm volatile("dsb sy" : : : "memory") #define dmb() __asm__ __volatile__ ("" : : : "memory") #define __iormb() dmb() #define __iowmb() dmb() |