[Blackfin] arch: __FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index b54dad5..7e8ceea 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -821,7 +821,7 @@
 		dump_stack();
 		printk(KERN_ERR
 		    "%s: Peripheral %d is already reserved as GPIO by %s !\n",
-		       __FUNCTION__, ident, get_label(ident));
+		       __func__, ident, get_label(ident));
 		local_irq_restore(flags);
 		return -EBUSY;
 	}
@@ -848,7 +848,7 @@
 			dump_stack();
 			printk(KERN_ERR
 			       "%s: Peripheral %d function %d is already reserved by %s !\n",
-			       __FUNCTION__, ident, P_FUNCT2MUX(per), get_label(ident));
+			       __func__, ident, P_FUNCT2MUX(per), get_label(ident));
 			local_irq_restore(flags);
 			return -EBUSY;
 		}
@@ -891,7 +891,7 @@
 			dump_stack();
 			printk(KERN_ERR
 			       "%s: Peripheral %d is already reserved as GPIO by %s !\n",
-			       __FUNCTION__, ident, get_label(ident));
+			       __func__, ident, get_label(ident));
 			local_irq_restore(flags);
 			return -EBUSY;
 		}
@@ -919,7 +919,7 @@
 			printk(KERN_ERR
 			       "%s: Peripheral %d function %d is already"
 			       " reserved by %s !\n",
-			       __FUNCTION__, ident, P_FUNCT2MUX(per),
+			       __func__, ident, P_FUNCT2MUX(per),
 				get_label(ident));
 			local_irq_restore(flags);
 			return -EBUSY;