[media] dvb_usb_v2: use Kernel logging (pr_debug/pr_err/pr_info)

Use Kernel logging insteads of own macros.
Get rid of old debugs and use dynamic debug.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/dvb_usb.h

@@ -20,46 +20,8 @@
 #include "dvb_demux.h"
 #include "dvb_net.h"
 #include "dmxdev.h"
-
-#include "dvb-pll.h"
-
 #include "dvb-usb-ids.h"
 
-/* debug */
-#ifdef CONFIG_DVB_USB_DEBUG
-#define dprintk(var, level, args...) \
-	do { if ((var & level)) { printk(args); } } while (0)
-
-#define debug_dump(b, l, func) {\
-	int loop_; \
-	for (loop_ = 0; loop_ < l; loop_++) \
-		func("%02x ", b[loop_]); \
-	func("\n");\
-}
-#define DVB_USB_DEBUG_STATUS
-#else
-#define dprintk(args...)
-#define debug_dump(b, l, func)
-
-#define DVB_USB_DEBUG_STATUS " (debugging is not enabled)"
-
-#endif
-
-/* generic log methods - taken from usb.h */
-#ifndef DVB_USB_LOG_PREFIX
- #define DVB_USB_LOG_PREFIX "dvb-usb (please define a log prefix)"
-#endif
-
-#undef err
-#define err(format, arg...) \
-	printk(KERN_ERR     DVB_USB_LOG_PREFIX ": " format "\n" , ## arg)
-#undef info
-#define info(format, arg...) \
-	printk(KERN_INFO    DVB_USB_LOG_PREFIX ": " format "\n" , ## arg)
-#undef warn
-#define warn(format, arg...) \
-	printk(KERN_WARNING DVB_USB_LOG_PREFIX ": " format "\n" , ## arg)
-
 struct dvb_usb_driver_info {
 	const char *name;
 	const char *rc_map;

drivers/media/dvb/dvb-usb/dvb_usb_common.h

@@ -9,15 +9,10 @@
 #ifndef DVB_USB_COMMON_H
 #define DVB_USB_COMMON_H
 
-#define DVB_USB_LOG_PREFIX "dvb_usb"
 #include "dvb_usb.h"
 
-extern int dvb_usb_debug;
 extern int dvb_usb_disable_rc_polling;
 
-#define deb_xfer(args...)  dprintk(dvb_usb_debug, 0x002, args)
-#define deb_uxfer(args...) dprintk(dvb_usb_debug, 0x100, args)
-
 /* commonly used  methods */
 extern int dvb_usb_device_power_ctrl(struct dvb_usb_device *d, int onoff);
 

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

@@ -83,7 +83,8 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
 		if (adap->props.streaming_ctrl != NULL) {
 			ret = adap->props.streaming_ctrl(adap, 0);
 			if (ret < 0) {
-				err("error while stopping stream.");
+				pr_err("%s: error while stopping stream",
+						KBUILD_MODNAME);
 				return ret;
 			}
 		}
@@ -150,7 +151,8 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
 			ret = adap->props.pid_filter_ctrl(adap,
 					adap->pid_filtering);
 			if (ret < 0) {
-				err("could not handle pid_parser");
+				pr_err("%s: could not handle pid_parser",
+						KBUILD_MODNAME);
 				return ret;
 			}
 		}
@@ -158,7 +160,8 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
 		if (adap->props.streaming_ctrl != NULL) {
 			ret = adap->props.streaming_ctrl(adap, 1);
 			if (ret < 0) {
-				err("error while enabling fifo.");
+				pr_err("%s: error while enabling fifo",
+						KBUILD_MODNAME);
 				return ret;
 			}
 		}
@@ -172,14 +175,14 @@ static int dvb_usb_ctrl_feed(struct dvb_demux_feed *dvbdmxfeed, int onoff)
 
 static int dvb_usb_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
-	pr_debug("%s: start pid %04x feedtype %d", __func__, dvbdmxfeed->pid,
+	pr_debug("%s: start pid=%04x feedtype=%d\n", __func__, dvbdmxfeed->pid,
 			dvbdmxfeed->type);
 	return dvb_usb_ctrl_feed(dvbdmxfeed, 1);
 }
 
 static int dvb_usb_stop_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
-	pr_debug("%s: stop pid %04x feedtype %d", __func__, dvbdmxfeed->pid,
+	pr_debug("%s: stop pid=%04x feedtype=%d\n", __func__, dvbdmxfeed->pid,
 			dvbdmxfeed->type);
 	return dvb_usb_ctrl_feed(dvbdmxfeed, 0);
 }
@@ -200,9 +203,11 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap)
 	if (adap->dev->props.read_mac_address) {
 		if (adap->dev->props.read_mac_address(adap->dev,
 				adap->dvb_adap.proposed_mac) == 0)
-			info("MAC address: %pM", adap->dvb_adap.proposed_mac);
+			pr_info("%s: MAC address: %pM", KBUILD_MODNAME,
+					adap->dvb_adap.proposed_mac);
 		else
-			err("MAC address reading failed.");
+			pr_err("%s: MAC address reading failed",
+					KBUILD_MODNAME);
 	}
 
 
@@ -218,7 +223,7 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap)
 	adap->demux.write_to_decoder = NULL;
 	ret = dvb_dmx_init(&adap->demux);
 	if (ret < 0) {
-		err("dvb_dmx_init failed: error %d", ret);
+		pr_err("%s: dvb_dmx_init() failed=%d", KBUILD_MODNAME, ret);
 		goto err_dmx;
 	}
 
@@ -227,13 +232,13 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap)
 	adap->dmxdev.capabilities    = 0;
 	ret = dvb_dmxdev_init(&adap->dmxdev, &adap->dvb_adap);
 	if (ret < 0) {
-		err("dvb_dmxdev_init failed: error %d", ret);
+		pr_err("%s: dvb_dmxdev_init failed=%d", KBUILD_MODNAME, ret);
 		goto err_dmx_dev;
 	}
 
 	ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
 	if (ret < 0) {
-		err("dvb_net_init failed: error %d", ret);
+		pr_err("%s: dvb_net_init failed=%d", KBUILD_MODNAME, ret);
 		goto err_net_init;
 	}
 

drivers/media/dvb/dvb-usb/dvb_usb_i2c.c

@@ -23,7 +23,7 @@ int dvb_usb_i2c_init(struct dvb_usb_device *d)
 
 	ret = i2c_add_adapter(&d->i2c_adap);
 	if (ret < 0)
-		err("could not add i2c adapter");
+		pr_err("%s: could not add i2c adapter", KBUILD_MODNAME);
 
 	d->state |= DVB_USB_STATE_I2C;
 

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

@@ -13,13 +13,6 @@
  */
 #include "dvb_usb_common.h"
 
-/* debug */
-int dvb_usb_debug;
-module_param_named(debug, dvb_usb_debug, int, 0644);
-MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,pll=4,ts=8"\
-		",err=16,rc=32,fw=64,mem=128,uxfer=256  (or-able))."
-		DVB_USB_DEBUG_STATUS);
-
 int dvb_usb_disable_rc_polling;
 module_param_named(disable_rc_polling, dvb_usb_disable_rc_polling, int, 0644);
 MODULE_PARM_DESC(disable_rc_polling,
@@ -52,13 +45,15 @@ int dvb_usb_download_firmware(struct dvb_usb_device *d)
 
 	ret = request_firmware(&fw, name, &d->udev->dev);
 	if (ret < 0) {
-		err("did not find the firmware file. (%s) " \
-			"Please see linux/Documentation/dvb/ for more" \
-			" details on firmware-problems. (%d)", name, ret);
+		pr_err("%s: did not find the firmware file. (%s) " \
+				"Please see linux/Documentation/dvb/ for " \
+				"more details on firmware-problems. (%d)",
+				KBUILD_MODNAME, name, ret);
 		goto err;
 	}
 
-	info("downloading firmware from file '%s'", name);
+	pr_info("%s: downloading firmware from file '%s'", KBUILD_MODNAME,
+			name);
 
 	ret = d->props.download_firmware(d, fw);
 
@@ -99,28 +94,31 @@ static int dvb_usb_adapter_init(struct dvb_usb_device *d)
 		/* speed - when running at FULL speed we need a HW PID filter */
 		if (d->udev->speed == USB_SPEED_FULL &&
 				!(adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER)) {
-			err("This USB2.0 device cannot be run on a" \
-				" USB1.1 port. (it lacks a" \
-				" hardware PID filter)");
+			pr_err("%s: this USB2.0 device cannot be run on a " \
+					"USB1.1 port (it lacks a hardware " \
+					"PID filter)", KBUILD_MODNAME);
 			return -ENODEV;
 		} else if ((d->udev->speed == USB_SPEED_FULL &&
 				adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER) ||
 				(adap->props.caps & DVB_USB_ADAP_NEED_PID_FILTERING)) {
-			info("will use the device's hardware PID" \
-				" filter (table count: %d).",
+			pr_info("%s: will use the device's hardware PID " \
+					"filter (table count: %d)",
+					KBUILD_MODNAME,
 					adap->props.pid_filter_count);
 			adap->pid_filtering  = 1;
 			adap->max_feed_count = adap->props.pid_filter_count;
 		} else {
-			info("will pass the complete MPEG2 transport" \
-				" stream to the software demuxer.");
+			pr_info("%s: will pass the complete MPEG2 transport " \
+					"stream to the software demuxer",
+					KBUILD_MODNAME);
 			adap->pid_filtering  = 0;
 			adap->max_feed_count = 255;
 		}
 
 		if (!adap->pid_filtering && dvb_usb_force_pid_filter_usage &&
 				adap->props.caps & DVB_USB_ADAP_HAS_PID_FILTER) {
-				info("pid filter enabled by module option.");
+			pr_info("%s: pid filter enabled by module option",
+					KBUILD_MODNAME);
 			adap->pid_filtering  = 1;
 			adap->max_feed_count = adap->props.pid_filter_count;
 		}
@@ -210,7 +208,8 @@ static int dvb_usb_init(struct dvb_usb_device *d)
 
 	ret = dvb_usb_remote_init(d);
 	if (ret)
-		err("could not initialize remote control.");
+		pr_err("%s: could not initialize remote control\n",
+				KBUILD_MODNAME);
 
 	dvb_usb_device_power_ctrl(d, 0);
 

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

@@ -31,7 +31,8 @@ static void dvb_usb_read_remote_control(struct work_struct *work)
 
 	ret = d->rc.query(d);
 	if (ret < 0)
-		err("error %d while querying for an remote control event", ret);
+		pr_err("%s: error %d while querying for an remote control " \
+				"event", KBUILD_MODNAME, ret);
 
 	schedule_delayed_work(&d->rc_query_work,
 			      msecs_to_jiffies(d->rc.interval));
@@ -89,9 +90,8 @@ int dvb_usb_remote_init(struct dvb_usb_device *d)
 		/* initialize a work queue for handling polling */
 		INIT_DELAYED_WORK(&d->rc_query_work,
 				dvb_usb_read_remote_control);
-
-		info("schedule remote query interval to %d msecs",
-				d->rc.interval);
+		pr_info("%s: schedule remote query interval to %d msecs",
+				KBUILD_MODNAME, d->rc.interval);
 		schedule_delayed_work(&d->rc_query_work,
 				msecs_to_jiffies(d->rc.interval));
 	}

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

@@ -17,7 +17,8 @@ int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 		return -EINVAL;
 
 	if (d->props.generic_bulk_ctrl_endpoint == 0) {
-		err("endpoint for generic control not specified.");
+		pr_err("%s: endpoint for generic control not specified",
+				KBUILD_MODNAME);
 		return -EINVAL;
 	}
 
@@ -25,15 +26,16 @@ int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 	if (ret)
 		return ret;
 
-	deb_xfer(">>> ");
-	debug_dump(wbuf, wlen, deb_xfer);
+	print_hex_dump(KERN_DEBUG, KBUILD_MODNAME ": >>> ", DUMP_PREFIX_NONE,
+			32, 1, wbuf, wlen, 0);
 
 	ret = usb_bulk_msg(d->udev, usb_sndbulkpipe(d->udev,
 			d->props.generic_bulk_ctrl_endpoint), wbuf, wlen,
 			&actlen, 2000);
 
 	if (ret)
-		err("bulk message failed: %d (%d/%d)", ret, wlen, actlen);
+		pr_err("%s: bulk message failed: %d (%d/%d)", KBUILD_MODNAME,
+				ret, wlen, actlen);
 	else
 		ret = actlen != wlen ? -1 : 0;
 
@@ -49,11 +51,11 @@ int dvb_usbv2_generic_rw(struct dvb_usb_device *d, u8 *wbuf, u16 wlen, u8 *rbuf,
 				rbuf, rlen, &actlen, 2000);
 
 		if (ret)
-			err("recv bulk message failed: %d", ret);
-		else {
-			deb_xfer("<<< ");
-			debug_dump(rbuf, actlen, deb_xfer);
-		}
+			pr_err("%s: recv bulk message failed: %d",
+					KBUILD_MODNAME, ret);
+		else
+			print_hex_dump(KERN_DEBUG, KBUILD_MODNAME ": <<< ",
+					DUMP_PREFIX_NONE, 32, 1, wbuf, wlen, 0);
 	}
 
 	mutex_unlock(&d->usb_mutex);

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

@@ -22,10 +22,11 @@ static void usb_urb_complete(struct urb *urb)
 	int i;
 	u8 *b;
 
-	deb_uxfer("'%s' urb completed. status: %d, length: %d/%d," \
-			" pack_num: %d, errors: %d\n",
+	pr_debug("%s: %s urb completed status=%d length=%d/%d" \
+			" pack_num=%d errors=%d\n", __func__,
 			ptype == PIPE_ISOCHRONOUS ? "isoc" : "bulk",
-		urb->status, urb->actual_length, urb->transfer_buffer_length,
+			urb->status, urb->actual_length,
+			urb->transfer_buffer_length,
 			urb->number_of_packets, urb->error_count);
 
 	switch (urb->status) {
@@ -47,8 +48,8 @@ static void usb_urb_complete(struct urb *urb)
 	case PIPE_ISOCHRONOUS:
 		for (i = 0; i < urb->number_of_packets; i++) {
 			if (urb->iso_frame_desc[i].status != 0)
-				pr_debug("%s: iso frame descriptor has an" \
-						" error=%d\n", __func__,
+				pr_debug("%s: iso frame descriptor has an " \
+						"error=%d\n", __func__,
 						urb->iso_frame_desc[i].status);
 			else if (urb->iso_frame_desc[i].actual_length > 0)
 				stream->complete(stream,
@@ -58,14 +59,14 @@ static void usb_urb_complete(struct urb *urb)
 			urb->iso_frame_desc[i].status = 0;
 			urb->iso_frame_desc[i].actual_length = 0;
 		}
-		debug_dump(b, 20, deb_uxfer);
 		break;
 	case PIPE_BULK:
 		if (urb->actual_length > 0)
 			stream->complete(stream, b, urb->actual_length);
 		break;
 	default:
-		err("unknown endpoint type in completition handler.");
+		pr_err("%s: unknown endpoint type in completition handler",
+				KBUILD_MODNAME);
 		return;
 	}
 	usb_submit_urb(urb, GFP_ATOMIC);
@@ -98,8 +99,8 @@ int usb_urb_submit(struct usb_data_stream *stream,
 		pr_debug("%s: submit URB=%d\n", __func__, i);
 		ret = usb_submit_urb(stream->urb_list[i], GFP_ATOMIC);
 		if (ret) {
-			err("could not submit URB no. %d - get them all back",
-					i);
+			pr_err("%s: could not submit URB no. %d - get them " \
+					"all back", KBUILD_MODNAME, i);
 			usb_urb_kill(stream);
 			return ret;
 		}
@@ -263,12 +264,14 @@ int usb_urb_reconfig(struct usb_data_stream *stream,
 	} else if (props->type == USB_ISOC) {
 		buf_size = props->u.isoc.framesize * props->u.isoc.framesperurb;
 	} else {
-		err("invalid endpoint type=%d", props->type);
+		pr_err("%s: invalid endpoint type=%d", KBUILD_MODNAME,
+				props->type);
 		return -EINVAL;
 	}
 
 	if (stream->buf_num < props->count || stream->buf_size < buf_size) {
-		err("cannot reconfigure as allocated buffers are too small");
+		pr_err("%s: cannot reconfigure as allocated buffers are too " \
+				"small", KBUILD_MODNAME);
 		return -EINVAL;
 	}
 
@@ -316,7 +319,8 @@ int usb_urb_init(struct usb_data_stream *stream,
 			stream->props.endpoint));
 
 	if (stream->complete == NULL) {
-		err("there is no data callback - this doesn't make sense.");
+		pr_err("%s: there is no data callback - this doesn't make " \
+				"sense", KBUILD_MODNAME);
 		return -EINVAL;
 	}
 
@@ -337,7 +341,8 @@ int usb_urb_init(struct usb_data_stream *stream,
 
 		return usb_urb_alloc_isoc_urbs(stream);
 	default:
-		err("unknown URB-type for data transfer.");
+		pr_err("%s: unknown URB-type for data transfer",
+				KBUILD_MODNAME);
 		return -EINVAL;
 	}
 }