[PATCH v4 3/3] ARM: OMAP: Beagle: no gpio_wp pin connection on xM

[Robert Nelson <robertcnelson@gmail.com>]

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

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
 arch/arm/mach-omap2/board-omap3beagle.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 08fa68f..449a776 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -244,7 +244,9 @@ static struct gpio_led gpio_leds[];
 static int beagle_twl_gpio_setup(struct device *dev,
 		unsigned gpio, unsigned ngpio)
 {
-	if ((get_omap3_beagle_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
+	if (get_omap3_beagle_rev() == OMAP3BEAGLE_BOARD_XM) {
+		mmc[0].gpio_wp = -EINVAL;
+	} else if ((get_omap3_beagle_rev() == OMAP3BEAGLE_BOARD_C1_3) ||
 		(get_omap3_beagle_rev() == OMAP3BEAGLE_BOARD_C4)) {
 		omap_mux_init_gpio(23, OMAP_PIN_INPUT);
 		mmc[0].gpio_wp = 23;
-- 
1.7.0.4