[media] tda18271: use prefix on all printk messages

Some messages have a hardcoded prefix; others not. Use the
pr_fmt() to ensure that all messages will use the same prefix.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/tuners/tda18271-fe.c

@@ -18,11 +18,12 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
-#include <linux/delay.h>
-#include <linux/videodev2.h>
 #include "tda18271-priv.h"
 #include "tda8290.h"
 
+#include <linux/delay.h>
+#include <linux/videodev2.h>
+
 int tda18271_debug;
 module_param_named(debug, tda18271_debug, int, 0644);
 MODULE_PARM_DESC(debug, "set debug level "
@@ -646,7 +647,7 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
 	unsigned int i;
 	int ret;
 
-	tda_info("tda18271: performing RF tracking filter calibration\n");
+	tda_info("performing RF tracking filter calibration\n");
 
 	/* wait for die temperature stabilization */
 	msleep(200);
@@ -692,12 +693,12 @@ static int tda18271c2_rf_cal_init(struct dvb_frontend *fe)
 	if (tda_fail(ret))
 		goto fail;
 
-	tda_info("tda18271: RF tracking filter calibration complete\n");
+	tda_info("RF tracking filter calibration complete\n");
 
 	priv->cal_initialized = true;
 	goto end;
 fail:
-	tda_info("tda18271: RF tracking filter calibration failed!\n");
+	tda_info("RF tracking filter calibration failed!\n");
 end:
 	return ret;
 }

drivers/media/tuners/tda18271-priv.h

@@ -21,6 +21,8 @@
 #ifndef __TDA18271_PRIV_H__
 #define __TDA18271_PRIV_H__
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/mutex.h>