[LIBERTAS]: fix oops on the blackfin architecture
[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / asm-i386 / edac.h
1 #ifndef ASM_EDAC_H
2 #define ASM_EDAC_H
3
4 /* ECC atomic, DMA, SMP and interrupt safe scrub function */
5
6 static __inline__ void atomic_scrub(void *va, u32 size)
7 {
8         unsigned long *virt_addr = va;
9         u32 i;
10
11         for (i = 0; i < size / 4; i++, virt_addr++)
12                 /* Very carefully read and write to memory atomically
13                  * so we are interrupt, DMA and SMP safe.
14                  */
15                 __asm__ __volatile__("lock; addl $0, %0"::"m"(*virt_addr));
16 }
17
18 #endif