[ARM] replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-orion/gpio.c b/arch/arm/mach-orion/gpio.c
index d5f00c8..f713818c 100644
--- a/arch/arm/mach-orion/gpio.c
+++ b/arch/arm/mach-orion/gpio.c
@@ -36,7 +36,7 @@
 	unsigned long flags;
 
 	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
-		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		pr_debug("%s: invalid GPIO %d\n", __func__, pin);
 		return -EINVAL;
 	}
 
@@ -62,7 +62,7 @@
 	int mask;
 
 	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
-		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		pr_debug("%s: invalid GPIO %d\n", __func__, pin);
 		return -EINVAL;
 	}
 
@@ -141,7 +141,7 @@
 	unsigned long flags;
 
 	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
-		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		pr_debug("%s: invalid GPIO %d\n", __func__, pin);
 		return -EINVAL;
 	}
 
@@ -149,7 +149,7 @@
 
 	if (gpio_label[pin]) {
 		pr_debug("%s: GPIO %d already used as %s\n",
-			 __FUNCTION__, pin, gpio_label[pin]);
+			 __func__, pin, gpio_label[pin]);
 		ret = -EBUSY;
 	} else
 		gpio_label[pin] = label ? label : "?";
@@ -162,12 +162,12 @@
 void gpio_free(unsigned pin)
 {
 	if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
-		pr_debug("%s: invalid GPIO %d\n", __FUNCTION__, pin);
+		pr_debug("%s: invalid GPIO %d\n", __func__, pin);
 		return;
 	}
 
 	if (!gpio_label[pin])
-		pr_warning("%s: GPIO %d already freed\n", __FUNCTION__, pin);
+		pr_warning("%s: GPIO %d already freed\n", __func__, pin);
 	else
 		gpio_label[pin] = NULL;
 }