omap: init the gpio pinmux for mmc

There is two gpio for mmc use, one is for card detecting, another is
used for checking write protect. Intialize its pinmux in case the bootloader
doesn't set it.

Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 10f3a3c58cc0f2f284b59ba131d827244b4ae3e6..3d30f22c4c8802a1ebfad174554ffbf5fb29f27f 100644 (file)
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -591,6 +591,15 @@ static inline void omap_hsmmc_reset(void) {}
 static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
                        int controller_nr)
 {
+       if ((mmc_controller->slots[0].switch_pin > 0) && \
+               (mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
+               omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
+                                       OMAP_PIN_INPUT_PULLUP);
+       if ((mmc_controller->slots[0].gpio_wp > 0) && \
+               (mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
+               omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
+                                       OMAP_PIN_INPUT_PULLUP);
+
        if (cpu_is_omap2420() && controller_nr == 0) {
                omap_cfg_reg(H18_24XX_MMC_CMD);
                omap_cfg_reg(H15_24XX_MMC_CLKI);