[media] em28xx: convert the remaining printks to pr_foo

There are still several places with printk's called directly.

Convert them to pr_foo() macros, except for the debug printk's,
as those are enabled via modprobe vars.

While here, realign the pr_foo() arguments to match the
recommended CodingStyle.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/usb/em28xx/em28xx-dvb.c

@@ -935,19 +935,19 @@ static int em28xx_attach_xc3028(u8 addr, struct em28xx *dev)
 	cfg.ctrl  = &ctl;
 
 	if (!dev->dvb->fe[0]) {
-		pr_err("/2: dvb frontend not attached. Can't attach xc3028\n");
+		pr_err("dvb frontend not attached. Can't attach xc3028\n");
 		return -EINVAL;
 	}
 
 	fe = dvb_attach(xc2028_attach, dev->dvb->fe[0], &cfg);
 	if (!fe) {
-		pr_err("/2: xc3028 attach failed\n");
+		pr_err("xc3028 attach failed\n");
 		dvb_frontend_detach(dev->dvb->fe[0]);
 		dev->dvb->fe[0] = NULL;
 		return -EINVAL;
 	}
 
-	pr_info("%s/2: xc3028 attached\n", dev->name);
+	pr_info("xc3028 attached\n");
 
 	return 0;
 }
@@ -966,8 +966,8 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	result = dvb_register_adapter(&dvb->adapter, dev->name, module, device,
 				      adapter_nr);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_register_adapter failed (errno = %d)\n",
-		       dev->name, result);
+		pr_warn("dvb_register_adapter failed (errno = %d)\n",
+			result);
 		goto fail_adapter;
 	}
 #ifdef CONFIG_MEDIA_CONTROLLER_DVB
@@ -984,8 +984,8 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	/* register frontend */
 	result = dvb_register_frontend(&dvb->adapter, dvb->fe[0]);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_register_frontend failed (errno = %d)\n",
-		       dev->name, result);
+		pr_warn("dvb_register_frontend failed (errno = %d)\n",
+			result);
 		goto fail_frontend0;
 	}
 
@@ -993,8 +993,8 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	if (dvb->fe[1]) {
 		result = dvb_register_frontend(&dvb->adapter, dvb->fe[1]);
 		if (result < 0) {
-			printk(KERN_WARNING "%s: 2nd dvb_register_frontend failed (errno = %d)\n",
-			       dev->name, result);
+			pr_warn("2nd dvb_register_frontend failed (errno = %d)\n",
+				result);
 			goto fail_frontend1;
 		}
 	}
@@ -1011,8 +1011,7 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 
 	result = dvb_dmx_init(&dvb->demux);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_dmx_init failed (errno = %d)\n",
-		       dev->name, result);
+		pr_warn("dvb_dmx_init failed (errno = %d)\n", result);
 		goto fail_dmx;
 	}
 
@@ -1021,31 +1020,29 @@ static int em28xx_register_dvb(struct em28xx_dvb *dvb, struct module *module,
 	dvb->dmxdev.capabilities = 0;
 	result = dvb_dmxdev_init(&dvb->dmxdev, &dvb->adapter);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: dvb_dmxdev_init failed (errno = %d)\n",
-		       dev->name, result);
+		pr_warn("dvb_dmxdev_init failed (errno = %d)\n", result);
 		goto fail_dmxdev;
 	}
 
 	dvb->fe_hw.source = DMX_FRONTEND_0;
 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
-		       dev->name, result);
+		pr_warn("add_frontend failed (DMX_FRONTEND_0, errno = %d)\n",
+			result);
 		goto fail_fe_hw;
 	}
 
 	dvb->fe_mem.source = DMX_MEMORY_FE;
 	result = dvb->demux.dmx.add_frontend(&dvb->demux.dmx, &dvb->fe_mem);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
-		       dev->name, result);
+		pr_warn("add_frontend failed (DMX_MEMORY_FE, errno = %d)\n",
+			result);
 		goto fail_fe_mem;
 	}
 
 	result = dvb->demux.dmx.connect_frontend(&dvb->demux.dmx, &dvb->fe_hw);
 	if (result < 0) {
-		printk(KERN_WARNING "%s: connect_frontend failed (errno = %d)\n",
-		       dev->name, result);
+		pr_warn("connect_frontend failed (errno = %d)\n", result);
 		goto fail_fe_conn;
 	}
 
@@ -1936,11 +1933,11 @@ static int em28xx_dvb_init(struct em28xx *dev)
 		}
 		break;
 	default:
-		pr_err("/2: The frontend of your DVB/ATSC card isn't supported yet\n");
+		pr_err("The frontend of your DVB/ATSC card isn't supported yet\n");
 		break;
 	}
 	if (NULL == dvb->fe[0]) {
-		pr_err("/2: frontend initialization failed\n");
+		pr_err("frontend initialization failed\n");
 		result = -EINVAL;
 		goto out_free;
 	}