omap4: pandaboard: Fix the init if CONFIG_MMC_OMAP_HS is not set

Avoid possible crash if CONFIG_MMC_OMAP_HS is not set.
Signed-off-by: David Anders <x0132446@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/board-omap4panda.c

@@ -116,7 +116,14 @@ static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 
 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 {
-	struct omap_mmc_platform_data *pdata = dev->platform_data;
+	struct omap_mmc_platform_data *pdata;
+
+	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
+	if (!dev) {
+		pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
+		return;
+	}
+	pdata = dev->platform_data;
 
 	pdata->init =	omap4_twl6030_hsmmc_late_init;
 }