1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-ia64/io.h b/include/asm-ia64/io.h
index 54e7637a326c..a2f92edd717d 100644
--- a/include/asm-ia64/io.h
+++ b/include/asm-ia64/io.h
@@ -41,7 +41,7 @@
 #define IO_SPACE_BASE(space)            ((space) << IO_SPACE_BITS)
 #define IO_SPACE_PORT(port)             ((port) & (IO_SPACE_SIZE - 1))
 
-#define IO_SPACE_SPARSE_ENCODING(p)     ((((p) >> 2) << 12) | (p & 0xfff))
+#define IO_SPACE_SPARSE_ENCODING(p)     ((((p) >> 2) << 12) | ((p) & 0xfff))
 
 struct io_space {
         unsigned long mmio_base;        /* base in MMIO space */