diff options
Diffstat (limited to 'include/asm-ppc/io.h')
| -rw-r--r-- | include/asm-ppc/io.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h index 89c6f1bc3aab..680555be22ec 100644 --- a/include/asm-ppc/io.h +++ b/include/asm-ppc/io.h @@ -63,7 +63,7 @@ extern inline int in_8(const volatile unsigned char __iomem *addr) int ret; __asm__ __volatile__( - "lbz%U1%X1 %0,%1;\n" + "sync; lbz%U1%X1 %0,%1;\n" "twi 0,%0,0;\n" "isync" : "=r" (ret) : "m" (*addr)); return ret; @@ -78,7 +78,7 @@ extern inline int in_le16(const volatile unsigned short __iomem *addr) { int ret; - __asm__ __volatile__("lhbrx %0,0,%1;\n" + __asm__ __volatile__("sync; lhbrx %0,0,%1;\n" "twi 0,%0,0;\n" "isync" : "=r" (ret) : "r" (addr), "m" (*addr)); @@ -89,7 +89,7 @@ extern inline int in_be16(const volatile unsigned short __iomem *addr) { int ret; - __asm__ __volatile__("lhz%U1%X1 %0,%1;\n" + __asm__ __volatile__("sync; lhz%U1%X1 %0,%1;\n" "twi 0,%0,0;\n" "isync" : "=r" (ret) : "m" (*addr)); return ret; @@ -97,20 +97,20 @@ extern inline int in_be16(const volatile unsigned short __iomem *addr) extern inline void out_le16(volatile unsigned short __iomem *addr, int val) { - __asm__ __volatile__("sthbrx %1,0,%2; eieio" : "=m" (*addr) : + __asm__ __volatile__("sync; sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); } extern inline void out_be16(volatile unsigned short __iomem *addr, int val) { - __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); + __asm__ __volatile__("sync; sth%U0%X0 %1,%0" : "=m" (*addr) : "r" (val)); } extern inline unsigned in_le32(const volatile unsigned __iomem *addr) { unsigned ret; - __asm__ __volatile__("lwbrx %0,0,%1;\n" + __asm__ __volatile__("sync; lwbrx %0,0,%1;\n" "twi 0,%0,0;\n" "isync" : "=r" (ret) : "r" (addr), "m" (*addr)); @@ -121,7 +121,7 @@ extern inline unsigned in_be32(const volatile unsigned __iomem *addr) { unsigned ret; - __asm__ __volatile__("lwz%U1%X1 %0,%1;\n" + __asm__ __volatile__("sync; lwz%U1%X1 %0,%1;\n" "twi 0,%0,0;\n" "isync" : "=r" (ret) : "m" (*addr)); return ret; @@ -129,13 +129,13 @@ extern inline unsigned in_be32(const volatile unsigned __iomem *addr) extern inline void out_le32(volatile unsigned __iomem *addr, int val) { - __asm__ __volatile__("stwbrx %1,0,%2; eieio" : "=m" (*addr) : + __asm__ __volatile__("sync; stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr)); } extern inline void out_be32(volatile unsigned __iomem *addr, int val) { - __asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val)); + __asm__ __volatile__("sync; stw%U0%X0 %1,%0" : "=m" (*addr) : "r" (val)); } #if defined (CONFIG_8260_PCI9) #define readb(addr) in_8((volatile u8 *)(addr)) @@ -259,6 +259,7 @@ extern __inline__ unsigned int name(unsigned int port) \ { \ unsigned int x; \ __asm__ __volatile__( \ + "sync\n" \ "0:" op " %0,0,%1\n" \ "1: twi 0,%0,0\n" \ "2: isync\n" \ @@ -284,6 +285,7 @@ extern __inline__ unsigned int name(unsigned int port) \ extern __inline__ void name(unsigned int val, unsigned int port) \ { \ __asm__ __volatile__( \ + "sync\n" \ "0:" op " %0,0,%1\n" \ "1: sync\n" \ "2:\n" \ |
