ARM: imx: use imx_add_gpio_keys to register "gpio-keys" devices

LAKML-Reference: 1302207841-12450-1-git-send-email-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index d7e0d21..7ae43b1 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -27,7 +27,6 @@
 #include <linux/mtd/physmap.h>
 #include <linux/i2c.h>
 #include <linux/i2c/pca953x.h>
-#include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
@@ -130,19 +129,12 @@
 	}
 };
 
-static struct gpio_keys_platform_data visstrim_gpio_keys_platform_data = {
+static const struct gpio_keys_platform_data
+		visstrim_gpio_keys_platform_data __initconst = {
 	.buttons	= visstrim_gpio_keys,
 	.nbuttons	= ARRAY_SIZE(visstrim_gpio_keys),
 };
 
-static struct platform_device visstrim_gpio_keys_device = {
-	.name	= "gpio-keys",
-	.id	= -1,
-	.dev	= {
-		.platform_data	= &visstrim_gpio_keys_platform_data,
-	},
-};
-
 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
 static int visstrim_m10_sdhc1_init(struct device *dev,
 		irq_handler_t detect_irq, void *data)
@@ -186,7 +178,6 @@
 };
 
 static struct platform_device *platform_devices[] __initdata = {
-	&visstrim_gpio_keys_device,
 	&visstrim_m10_nor_mtd_device,
 };
 
@@ -255,6 +246,7 @@
 	imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata);
 	imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata);
 	imx27_add_fec(NULL);
+	imx_add_gpio_keys(&visstrim_gpio_keys_platform_data);
 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 }