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-rw-r--r--arch/powerpc/include/asm/io.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 4ddad26..56ac9fe 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -175,7 +175,10 @@ extern inline int in_8(const volatile unsigned char __iomem *addr)
extern inline void out_8(volatile unsigned char __iomem *addr, int val)
{
- __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync;\n"
+ "stb%U0%X0 %1,%0;\n"
+ : "=m" (*addr)
+ : "r" (val));
}
extern inline int in_le16(const volatile unsigned short __iomem *addr)