diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 73ce92a0cdb256ddcd484afd41a66e0f952bb65e..52a515017fe709ac0e62781e61f13aa849c7ce34 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -64,7 +64,6 @@ config ARCH_EXYNOS4
 	select CLKSRC_SAMSUNG_PWM if CPU_EXYNOS4210
 	select CPU_EXYNOS4210
 	select GIC_NON_BANKED
-	select MIGHT_HAVE_CACHE_L2X0
 	help
 	  Samsung Exynos4 (Cortex-A9) SoC based systems
 
diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c
index 29f9b345a5311ffe8879b98f15e1c401a7adf203..03d8f27cdc32fc6205accebb5eaeba8884677717 100644
--- a/arch/arm/mach-s3c24xx/mach-rx1950.c
+++ b/arch/arm/mach-s3c24xx/mach-rx1950.c
@@ -377,6 +377,7 @@ static struct pwm_lookup rx1950_pwm_lookup[] = {
 };
 
 static struct pwm_device *lcd_pwm;
+static struct pwm_state lcd_pwm_state;
 
 static void rx1950_lcd_power(int enable)
 {
@@ -429,15 +430,16 @@ static void rx1950_lcd_power(int enable)
 
 		/* GPB1->OUTPUT, GPB1->0 */
 		gpio_direction_output(S3C2410_GPB(1), 0);
-		pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
-		pwm_disable(lcd_pwm);
+
+		lcd_pwm_state.enabled = false;
+		pwm_apply_state(lcd_pwm, &lcd_pwm_state);
 
 		/* GPC0->0, GPC10->0 */
 		gpio_direction_output(S3C2410_GPC(0), 0);
 		gpio_direction_output(S3C2410_GPC(10), 0);
 	} else {
-		pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
-		pwm_enable(lcd_pwm);
+		lcd_pwm_state.enabled = true;
+		pwm_apply_state(lcd_pwm, &lcd_pwm_state);
 
 		gpio_direction_output(S3C2410_GPC(0), 1);
 		gpio_direction_output(S3C2410_GPC(5), 1);
@@ -493,10 +495,13 @@ static int rx1950_backlight_init(struct device *dev)
 	}
 
 	/*
-	 * FIXME: pwm_apply_args() should be removed when switching to
-	 * the atomic PWM API.
+	 * This is only required to initialize .polarity; all other values are
+	 * fixed in this driver.
 	 */
-	pwm_apply_args(lcd_pwm);
+	pwm_init_state(lcd_pwm, &lcd_pwm_state);
+
+	lcd_pwm_state.period = LCD_PWM_PERIOD;
+	lcd_pwm_state.duty_cycle = LCD_PWM_DUTY;
 
 	rx1950_lcd_power(1);
 	rx1950_bl_power(1);
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 5700822e3c74b8e4902bcfc4e5c44d966ce5e957..ac3e3563487fc6f9de75272419a2d0be323ad42a 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -336,7 +336,6 @@ config MACH_WLF_CRAGG_6410
 
 config MACH_S3C64XX_DT
 	bool "Samsung S3C6400/S3C6410 machine using Device Tree"
-	select TIMER_OF
 	select CPU_S3C6400
 	select CPU_S3C6410
 	select PINCTRL