4 files changed, 8 insertions, 39 deletions

diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index 236bbe187163..205dfed41210 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -247,13 +247,8 @@ static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power)
 
 static int nuri_bl_init(struct device *dev)
 {
-        int ret, gpio = EXYNOS4_GPE2(3);
-
-        ret = gpio_request(gpio, "LCD_LDO_EN");
-        if (!ret)
-                gpio_direction_output(gpio, 0);
-
-        return ret;
+        return gpio_request_one(EXYNOS4_GPE2(3), GPIOF_OUT_INIT_LOW,
+                                "LCD_LD0_EN");
 }
 
 static int nuri_bl_notify(struct device *dev, int brightness)
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index cec2afabe7b4..cbf31bd0e2c9 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -129,9 +129,7 @@ static void lcd_lte480wv_set_power(struct plat_lcd_data *pd,
                 gpio_free(EXYNOS4_GPD0(1));
 #endif
                 /* fire nRESET on power up */
-                gpio_request(EXYNOS4_GPX0(6), "GPX0");
-
-                gpio_direction_output(EXYNOS4_GPX0(6), 1);
+                gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0");
                 mdelay(100);
 
                 gpio_set_value(EXYNOS4_GPX0(6), 0);
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
index a2a177ff4b44..0a04cd643b07 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -608,8 +608,7 @@ static void __init universal_tsp_init(void)
 
         /* TSP_LDO_ON: XMDMADDR_11 */
         gpio = EXYNOS4_GPE2(3);
-        gpio_request(gpio, "TSP_LDO_ON");
-        gpio_direction_output(gpio, 1);
+        gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "TSP_LDO_ON");
         gpio_export(gpio, 0);
 
         /* TSP_INT: XMDMADDR_7 */
@@ -669,8 +668,7 @@ static void __init universal_touchkey_init(void)
         i2c_gpio12_devs[0].irq = gpio_to_irq(gpio);
 
         gpio = EXYNOS4_GPE3(3);                 /* XMDMDATA_3 */
-        gpio_request(gpio, "3_TOUCH_EN");
-        gpio_direction_output(gpio, 1);
+        gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "3_TOUCH_EN");
 }
 
 static struct s3c2410_platform_i2c universal_i2c0_platdata __initdata = {
@@ -1000,9 +998,7 @@ static void __init universal_map_io(void)
 void s5p_tv_setup(void)
 {
         /* direct HPD to HDMI chip */
-        gpio_request(EXYNOS4_GPX3(7), "hpd-plug");
-
-        gpio_direction_input(EXYNOS4_GPX3(7));
+        gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug");
         s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
         s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
 
diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c
index 509a435afd4b..4093fea849c3 100644
--- a/arch/arm/mach-exynos/pm.c
+++ b/arch/arm/mach-exynos/pm.c
@@ -23,6 +23,7 @@
 
 #include <asm/cacheflush.h>
 #include <asm/hardware/cache-l2x0.h>
+#include <asm/smp_scu.h>
 
 #include <plat/cpu.h>
 #include <plat/pm.h>
@@ -213,27 +214,6 @@ static int exynos4_pm_add(struct sys_device *sysdev)
         return 0;
 }
 
-/* This function copy from linux/arch/arm/kernel/smp_scu.c */
-
-void exynos4_scu_enable(void __iomem *scu_base)
-{
-        u32 scu_ctrl;
-
-        scu_ctrl = __raw_readl(scu_base);
-        /* already enabled? */
-        if (scu_ctrl & 1)
-                return;
-
-        scu_ctrl |= 1;
-        __raw_writel(scu_ctrl, scu_base);
-
-        /*
-         * Ensure that the data accessed by CPU0 before the SCU was
-         * initialised is visible to the other CPUs.
-         */
-        flush_cache_all();
-}
-
 static unsigned long pll_base_rate;
 
 static void exynos4_restore_pll(void)
@@ -402,7 +382,7 @@ static void exynos4_pm_resume(void)
 
         exynos4_restore_pll();
 
-        exynos4_scu_enable(S5P_VA_SCU);
+        scu_enable(S5P_VA_SCU);
 
 #ifdef CONFIG_CACHE_L2X0
         s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save));