powerpc/mp: add support for discontiguous cores

[u-boot] / arch / powerpc / include / asm / io.h

diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 4ddad26e8180aba7f9052a13c08699588b902d32..56ac9fe6c534b2f08d69ac0b3610252bd8b60a7b 100644 (file)
--- 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)