omap: Beagle: no gpio_wp pin connection on xM

The omap3630 based BeagleBoard xM uses a MicroSD card slot with
no write protection.

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 1908b33..5534841 100644 (file)
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -272,7 +272,9 @@ static struct gpio_led gpio_leds[];
 static int beagle_twl_gpio_setup(struct device *dev,
                unsigned gpio, unsigned ngpio)
 {
-       if ((omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
+       if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
+               mmc[0].gpio_wp = -EINVAL;
+       } else 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;