diff options
| -rw-r--r-- | include/asm-powerpc/io.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h index 3baff8b0fd5..c2c5f14b5f5 100644 --- a/include/asm-powerpc/io.h +++ b/include/asm-powerpc/io.h @@ -163,8 +163,11 @@ extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, long count); static inline void mmiowb(void) { - __asm__ __volatile__ ("sync" : : : "memory"); - get_paca()->io_sync = 0; + unsigned long tmp; + + __asm__ __volatile__("sync; li %0,0; stb %0,%1(13)" + : "=&r" (tmp) : "i" (offsetof(struct paca_struct, io_sync)) + : "memory"); } /* |