1#ifndef ASM_EDAC_H
2#define ASM_EDAC_H
3
4/* ECC atomic, DMA, SMP and interrupt safe scrub function */
5
6static __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
19