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-rw-r--r--include/asm-ia64/io.h2
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 */
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