drivers: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/w1/w1_log.h b/drivers/w1/w1_log.h
index fe6bdf4..e6ab7cf 100644
--- a/drivers/w1/w1_log.h
+++ b/drivers/w1/w1_log.h
@@ -30,7 +30,7 @@
 #  define assert(expr) \
         if(unlikely(!(expr))) {				        \
         printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n",	\
-        #expr,__FILE__,__FUNCTION__,__LINE__);		        \
+	#expr, __FILE__, __func__, __LINE__);		        \
         }
 #endif