1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index 5ebf0946c76a..6e5207c81cf4 100644
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -120,7 +120,7 @@ void __init omap_serial_init(void)
                 serial_platform_data[2].uartclk = OMAP1510_BASE_BAUD * 16;
         }
 
-        for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
+        for (i = 0; i < ARRAY_SIZE(serial_platform_data) - 1; i++) {
 
                 /* Static mapping, never released */
                 serial_platform_data[i].membase =