V4L/DVB (7503): usbvision: rename __PRETTY_FUNCTION__ occurrences

__PRETTY_FUNCTION__ has no sense in C lang context. Rename it as __func__

Signed-off-by: Thierry MERLE <thierry.merle@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index e518d8a..a9c5e5a 100644
--- a/drivers/media/video/usbvision/usbvision-core.c
+++ b/drivers/media/video/usbvision/usbvision-core.c
@@ -84,8 +84,10 @@
 
 
 #ifdef USBVISION_DEBUG
-	#define PDEBUG(level, fmt, args...) \
-		if (core_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args)
+	#define PDEBUG(level, fmt, args...) { \
+		if (core_debug & (level)) \
+			info("[%s:%d] " fmt, __func__, __LINE__ , ## args); \
+	}
 #else
 	#define PDEBUG(level, fmt, args...) do {} while(0)
 #endif
diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c
index a7ed6f2..e2274d7 100644
--- a/drivers/media/video/usbvision/usbvision-i2c.c
+++ b/drivers/media/video/usbvision/usbvision-i2c.c
@@ -45,8 +45,10 @@
 module_param (i2c_debug, int, 0644);			// debug_i2c_usb mode of the device driver
 MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
 
-#define PDEBUG(level, fmt, args...) \
-		if (i2c_debug & (level)) info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ , ## args)
+#define PDEBUG(level, fmt, args...) { \
+		if (i2c_debug & (level)) \
+			info("[%s:%d] " fmt, __func__, __LINE__ , ## args); \
+	}
 
 static int usbvision_i2c_write(struct usb_usbvision *usbvision, unsigned char addr, char *buf,
 			    short len);
diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c
index 13f378c..d97261a 100644
--- a/drivers/media/video/usbvision/usbvision-video.c
+++ b/drivers/media/video/usbvision/usbvision-video.c
@@ -97,10 +97,10 @@
 
 
 #ifdef USBVISION_DEBUG
-	#define PDEBUG(level, fmt, args...) \
+	#define PDEBUG(level, fmt, args...) { \
 		if (video_debug & (level)) \
-			info("[%s:%d] " fmt, __PRETTY_FUNCTION__, __LINE__ ,\
-				## args)
+			info("[%s:%d] " fmt, __func__, __LINE__ , ## args); \
+	}
 #else
 	#define PDEBUG(level, fmt, args...) do {} while(0)
 #endif