diff --git a/arch/arm/plat-s3c/gpio-config.c b/arch/arm/plat-s3c/gpio-config.c
index 08044de..456969b 100644
--- a/arch/arm/plat-s3c/gpio-config.c
+++ b/arch/arm/plat-s3c/gpio-config.c
@@ -119,7 +119,7 @@
 	unsigned int shift = (off & 7) * 4;
 	u32 con;
 
-	if (off < 8 && chip->chip.ngpio >= 8)
+	if (off < 8 && chip->chip.ngpio > 8)
 		reg -= 4;
 
 	if (s3c_gpio_is_cfg_special(cfg)) {
diff --git a/arch/arm/plat-s3c64xx/clock.c b/arch/arm/plat-s3c64xx/clock.c
index 0bc2fa1..7a36e89 100644
--- a/arch/arm/plat-s3c64xx/clock.c
+++ b/arch/arm/plat-s3c64xx/clock.c
@@ -191,7 +191,7 @@
 		.id		= -1,
 		.parent		= &clk_h,
 		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_SCLK_UHOST,
+		.ctrlbit	= S3C_CLKCON_HCLK_UHOST,
 	}, {
 		.name		= "hsmmc",
 		.id		= 0,
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c
index da7b60e..9285929 100644
--- a/arch/arm/plat-s3c64xx/gpiolib.c
+++ b/arch/arm/plat-s3c64xx/gpiolib.c
@@ -321,6 +321,11 @@
 	.get_pull	= s3c_gpio_getpull_updown,
 };
 
+int s3c64xx_gpio2int_gpn(struct gpio_chip *chip, unsigned pin)
+{
+	return IRQ_EINT(0) + pin;
+}
+
 static struct s3c_gpio_chip gpio_2bit[] = {
 	{
 		.base	= S3C64XX_GPF_BASE,
@@ -353,6 +358,7 @@
 			.base	= S3C64XX_GPN(0),
 			.ngpio	= S3C64XX_GPIO_N_NR,
 			.label	= "GPN",
+			.to_irq = s3c64xx_gpio2int_gpn,
 		},
 	}, {
 		.base	= S3C64XX_GPO_BASE,
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
index 52836d4..a8777a75 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
+++ b/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
@@ -88,11 +88,11 @@
 #define S3C6400_CLKDIV2_SPI0_SHIFT	(0)
 
 /* HCLK GATE Registers */
-#define S3C_CLKCON_HCLK_BUS	(1<<30)
-#define S3C_CLKCON_HCLK_SECUR	(1<<29)
-#define S3C_CLKCON_HCLK_SDMA1	(1<<28)
-#define S3C_CLKCON_HCLK_SDMA2	(1<<27)
-#define S3C_CLKCON_HCLK_UHOST	(1<<26)
+#define S3C_CLKCON_HCLK_3DSE	(1<<31)
+#define S3C_CLKCON_HCLK_UHOST	(1<<29)
+#define S3C_CLKCON_HCLK_SECUR	(1<<28)
+#define S3C_CLKCON_HCLK_SDMA1	(1<<27)
+#define S3C_CLKCON_HCLK_SDMA0	(1<<26)
 #define S3C_CLKCON_HCLK_IROM	(1<<25)
 #define S3C_CLKCON_HCLK_DDR1	(1<<24)
 #define S3C_CLKCON_HCLK_DDR0	(1<<23)