1 files changed, 27 insertions, 1 deletions

diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index bb8d965f96c6..affba7052fb6 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -86,7 +86,7 @@ extern unsigned long pci_dram_offset;
  */
 
 #ifdef CONFIG_PPC64
-#define IO_SET_SYNC_FLAG()      do { get_paca()->io_sync = 1; } while(0)
+#define IO_SET_SYNC_FLAG()      do { local_paca->io_sync = 1; } while(0)
 #else
 #define IO_SET_SYNC_FLAG()
 #endif
@@ -734,6 +734,32 @@ static inline void * bus_to_virt(unsigned long address)
 #define setbits16(_addr, _v) out_be16((_addr), in_be16(_addr) |  (_v))
 #define clrbits16(_addr, _v) out_be16((_addr), in_be16(_addr) & ~(_v))
 
+#define setbits8(_addr, _v) out_8((_addr), in_8(_addr) |  (_v))
+#define clrbits8(_addr, _v) out_8((_addr), in_8(_addr) & ~(_v))
+
+/* Clear and set bits in one shot.  These macros can be used to clear and
+ * set multiple bits in a register using a single read-modify-write.  These
+ * macros can also be used to set a multiple-bit bit pattern using a mask,
+ * by specifying the mask in the 'clear' parameter and the new bit pattern
+ * in the 'set' parameter.
+ */
+
+#define clrsetbits(type, addr, clear, set) \
+        out_##type((addr), (in_##type(addr) & ~(clear)) | (set))
+
+#ifdef __powerpc64__
+#define clrsetbits_be64(addr, clear, set) clrsetbits(be64, addr, clear, set)
+#define clrsetbits_le64(addr, clear, set) clrsetbits(le64, addr, clear, set)
+#endif
+
+#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
+#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
+
+#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
+#define clrsetbits_le16(addr, clear, set) clrsetbits(le32, addr, clear, set)
+
+#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_POWERPC_IO_H */