1 files changed, 34 insertions, 32 deletions

diff --git a/arch/arm/plat-samsung/dev-backlight.c b/arch/arm/plat-samsung/dev-backlight.c
index 5f197dcaf10c..be4ad0b21c08 100644
--- a/arch/arm/plat-samsung/dev-backlight.c
+++ b/arch/arm/plat-samsung/dev-backlight.c
@@ -20,13 +20,18 @@
 #include <plat/gpio-cfg.h>
 #include <plat/backlight.h>
 
+struct samsung_bl_drvdata {
+	struct platform_pwm_backlight_data plat_data;
+	struct samsung_bl_gpio_info *gpio_info;
+};
+
 static int samsung_bl_init(struct device *dev)
 {
 	int ret = 0;
-	struct platform_device *timer_dev =
-			container_of(dev->parent, struct platform_device, dev);
-	struct samsung_bl_gpio_info *bl_gpio_info =
-			timer_dev->dev.platform_data;
+	struct platform_pwm_backlight_data *pdata = dev->platform_data;
+	struct samsung_bl_drvdata *drvdata = container_of(pdata,
+					struct samsung_bl_drvdata, plat_data);
+	struct samsung_bl_gpio_info *bl_gpio_info = drvdata->gpio_info;
 
 	ret = gpio_request(bl_gpio_info->no, "Backlight");
 	if (ret) {
@@ -42,10 +47,10 @@ static int samsung_bl_init(struct device *dev)
 
 static void samsung_bl_exit(struct device *dev)
 {
-	struct platform_device *timer_dev =
-			container_of(dev->parent, struct platform_device, dev);
-	struct samsung_bl_gpio_info *bl_gpio_info =
-			timer_dev->dev.platform_data;
+	struct platform_pwm_backlight_data *pdata = dev->platform_data;
+	struct samsung_bl_drvdata *drvdata = container_of(pdata,
+					struct samsung_bl_drvdata, plat_data);
+	struct samsung_bl_gpio_info *bl_gpio_info = drvdata->gpio_info;
 
 	s3c_gpio_cfgpin(bl_gpio_info->no, S3C_GPIO_OUTPUT);
 	gpio_free(bl_gpio_info->no);
@@ -60,12 +65,15 @@ static void samsung_bl_exit(struct device *dev)
  * for their specific boards
  */
 
-static struct platform_pwm_backlight_data samsung_dfl_bl_data __initdata = {
-	.max_brightness = 255,
-	.dft_brightness = 255,
-	.pwm_period_ns  = 78770,
-	.init           = samsung_bl_init,
-	.exit           = samsung_bl_exit,
+static struct samsung_bl_drvdata samsung_dfl_bl_data __initdata = {
+	.plat_data = {
+		.max_brightness = 255,
+		.dft_brightness = 255,
+		.pwm_period_ns  = 78770,
+		.enable_gpio    = -1,
+		.init           = samsung_bl_init,
+		.exit           = samsung_bl_exit,
+	},
 };
 
 static struct platform_device samsung_dfl_bl_device __initdata = {
@@ -82,6 +90,7 @@ void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
 {
 	int ret = 0;
 	struct platform_device *samsung_bl_device;
+	struct samsung_bl_drvdata *samsung_bl_drvdata;
 	struct platform_pwm_backlight_data *samsung_bl_data;
 
 	samsung_bl_device = kmemdup(&samsung_dfl_bl_device,
@@ -91,17 +100,19 @@ void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
 		return;
 	}
 
-	samsung_bl_data = s3c_set_platdata(&samsung_dfl_bl_data,
-		sizeof(struct platform_pwm_backlight_data), samsung_bl_device);
-	if (!samsung_bl_data) {
+	samsung_bl_drvdata = kmemdup(&samsung_dfl_bl_data,
+				sizeof(samsung_dfl_bl_data), GFP_KERNEL);
+	if (!samsung_bl_drvdata) {
 		printk(KERN_ERR "%s: no memory for platform dev\n", __func__);
 		goto err_data;
 	}
+	samsung_bl_device->dev.platform_data = &samsung_bl_drvdata->plat_data;
+	samsung_bl_drvdata->gpio_info = gpio_info;
+	samsung_bl_data = &samsung_bl_drvdata->plat_data;
 
 	/* Copy board specific data provided by user */
 	samsung_bl_data->pwm_id = bl_data->pwm_id;
-	samsung_bl_device->dev.parent =
-			&s3c_device_timer[samsung_bl_data->pwm_id].dev;
+	samsung_bl_device->dev.parent = &samsung_device_pwm.dev;
 
 	if (bl_data->max_brightness)
 		samsung_bl_data->max_brightness = bl_data->max_brightness;
@@ -111,6 +122,10 @@ void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
 		samsung_bl_data->lth_brightness = bl_data->lth_brightness;
 	if (bl_data->pwm_period_ns)
 		samsung_bl_data->pwm_period_ns = bl_data->pwm_period_ns;
+	if (bl_data->enable_gpio >= 0)
+		samsung_bl_data->enable_gpio = bl_data->enable_gpio;
+	if (bl_data->enable_gpio_flags)
+		samsung_bl_data->enable_gpio_flags = bl_data->enable_gpio_flags;
 	if (bl_data->init)
 		samsung_bl_data->init = bl_data->init;
 	if (bl_data->notify)
@@ -122,17 +137,6 @@ void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
 	if (bl_data->check_fb)
 		samsung_bl_data->check_fb = bl_data->check_fb;
 
-	/* Keep the GPIO info for future use */
-	s3c_device_timer[samsung_bl_data->pwm_id].dev.platform_data = gpio_info;
-
-	/* Register the specific PWM timer dev for Backlight control */
-	ret = platform_device_register(
-			&s3c_device_timer[samsung_bl_data->pwm_id]);
-	if (ret) {
-		printk(KERN_ERR "failed to register pwm timer for backlight: %d\n", ret);
-		goto err_plat_reg1;
-	}
-
 	/* Register the Backlight dev */
 	ret = platform_device_register(samsung_bl_device);
 	if (ret) {
@@ -143,8 +147,6 @@ void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
 	return;
 
 err_plat_reg2:
-	platform_device_unregister(&s3c_device_timer[samsung_bl_data->pwm_id]);
-err_plat_reg1:
 	kfree(samsung_bl_data);
 err_data:
 	kfree(samsung_bl_device);