gpio: s3c2440_gpio: Fix wrong writel arguments

Current code had writel arguments the wrong way around, fix it.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/gpio/s3c2440_gpio.c b/drivers/gpio/s3c2440_gpio.c
index 43bbf11..09b04eb 100644
--- a/drivers/gpio/s3c2440_gpio.c
+++ b/drivers/gpio/s3c2440_gpio.c
@@ -61,7 +61,7 @@
 	else
 		l &= ~bit;
 
-	return writel(port, l);
+	return writel(l, port);
 }
 
 int gpio_get_value(unsigned gpio)
@@ -85,11 +85,11 @@
 
 int gpio_direction_input(unsigned gpio)
 {
-	return writel(GPIO_FULLPORT(gpio), GPIO_INPUT << GPIO_BIT(gpio));
+	return writel(GPIO_INPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
 }
 
 int gpio_direction_output(unsigned gpio, int value)
 {
-	writel(GPIO_FULLPORT(gpio), GPIO_OUTPUT << GPIO_BIT(gpio));
+	writel(GPIO_OUTPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
 	return gpio_set_value(gpio, value);
 }