1 files changed, 2 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 1aebb3f4f20a..1908b338e8d2 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -272,7 +272,8 @@ static struct gpio_led gpio_leds[];
 static int beagle_twl_gpio_setup(struct device *dev,
                 unsigned gpio, unsigned ngpio)
 {
-        if (system_rev >= 0x20 && system_rev <= 0x34301000) {
+        if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
+                (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C4)) {
                 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
                 mmc[0].gpio_wp = 23;
         } else {