Patchwork [U-Boot] powerpc: fix implementation of out_8 to match the other out_XX functions

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Submitter Timur Tabi
Date Dec. 3, 2010, 7:03 p.m.
Message ID <1291403026-13343-2-git-send-email-timur@freescale.com>
Download mbox | patch
Permalink /patch/74204/
State Accepted
Commit 1fade70203668a62c4024246c23450817f5753be
Delegated to: Kumar Gala
Headers show

Comments

Timur Tabi - Dec. 3, 2010, 7:03 p.m.
Signed-off-by: Timur Tabi <timur@freescale.com>
---
 arch/powerpc/include/asm/io.h |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

Patch

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)