[S390] 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: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h
index 0e94852..5c6e222 100644
--- a/drivers/s390/crypto/zcrypt_api.h
+++ b/drivers/s390/crypto/zcrypt_api.h
@@ -43,17 +43,17 @@
 #define DEV_NAME	"zcrypt"
 
 #define PRINTK(fmt, args...) \
-	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __func__ , ## args)
 #define PRINTKN(fmt, args...) \
 	printk(KERN_DEBUG DEV_NAME ": " fmt, ## args)
 #define PRINTKW(fmt, args...) \
-	printk(KERN_WARNING DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_WARNING DEV_NAME ": %s -> " fmt, __func__ , ## args)
 #define PRINTKC(fmt, args...) \
-	printk(KERN_CRIT DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_CRIT DEV_NAME ": %s -> " fmt, __func__ , ## args)
 
 #ifdef ZCRYPT_DEBUG
 #define PDEBUG(fmt, args...) \
-	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __FUNCTION__ , ## args)
+	printk(KERN_DEBUG DEV_NAME ": %s -> " fmt, __func__ , ## args)
 #else
 #define PDEBUG(fmt, args...) do {} while (0)
 #endif