w1/masters: use pr_* instead of printk

This patch replaces all calls to the "printk" function within the "masters"
subdirectory by calls to the appropriate "pr_*" function thus addressing
the following warning generated by the checkpatch script:

WARNING: Prefer [subsystem eg: netdev]_err([subsystem]dev, ...
        then dev_err(dev, ... then pr_err(...  to printk(KERN_ERR ...
Signed-off-by: Fjodor Schelichow <fjodor.schelichow@hotmail.com>
Signed-off-by: Roman Sommer <romsom2@yahoo.de>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/w1/masters/ds1wm.c

@@ -563,7 +563,7 @@ static struct platform_driver ds1wm_driver = {
 
 static int __init ds1wm_init(void)
 {
-	printk("DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko\n");
+	pr_info("DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko\n");
 	return platform_driver_register(&ds1wm_driver);
 }
 

drivers/w1/masters/ds2482.c

@@ -226,7 +226,7 @@ static int ds2482_wait_1wire_idle(struct ds2482_data *pdev)
 	}
 
 	if (retries >= DS2482_WAIT_IDLE_TIMEOUT)
-		printk(KERN_ERR "%s: timeout on channel %d\n",
+		pr_err("%s: timeout on channel %d\n",
 		       __func__, pdev->channel);
 
 	return temp;

drivers/w1/masters/ds2490.c

@@ -206,7 +206,7 @@ static int ds_send_control_cmd(struct ds_device *dev, u16 value, u16 index)
 	err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
 			CONTROL_CMD, VENDOR, value, index, NULL, 0, 1000);
 	if (err < 0) {
-		printk(KERN_ERR "Failed to send command control message %x.%x: err=%d.\n",
+		pr_err("Failed to send command control message %x.%x: err=%d.\n",
 				value, index, err);
 		return err;
 	}
@@ -221,7 +221,7 @@ static int ds_send_control_mode(struct ds_device *dev, u16 value, u16 index)
 	err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
 			MODE_CMD, VENDOR, value, index, NULL, 0, 1000);
 	if (err < 0) {
-		printk(KERN_ERR "Failed to send mode control message %x.%x: err=%d.\n",
+		pr_err("Failed to send mode control message %x.%x: err=%d.\n",
 				value, index, err);
 		return err;
 	}
@@ -236,7 +236,7 @@ static int ds_send_control(struct ds_device *dev, u16 value, u16 index)
 	err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, dev->ep[EP_CONTROL]),
 			COMM_CMD, VENDOR, value, index, NULL, 0, 1000);
 	if (err < 0) {
-		printk(KERN_ERR "Failed to send control message %x.%x: err=%d.\n",
+		pr_err("Failed to send control message %x.%x: err=%d.\n",
 				value, index, err);
 		return err;
 	}
@@ -255,7 +255,8 @@ static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st,
 	err = usb_interrupt_msg(dev->udev, usb_rcvintpipe(dev->udev,
 		dev->ep[EP_STATUS]), buf, size, &count, 100);
 	if (err < 0) {
-		printk(KERN_ERR "Failed to read 1-wire data from 0x%x: err=%d.\n", dev->ep[EP_STATUS], err);
+		pr_err("Failed to read 1-wire data from 0x%x: err=%d.\n",
+		       dev->ep[EP_STATUS], err);
 		return err;
 	}
 
@@ -267,17 +268,17 @@ static int ds_recv_status_nodump(struct ds_device *dev, struct ds_status *st,
 
 static inline void ds_print_msg(unsigned char *buf, unsigned char *str, int off)
 {
-	printk(KERN_INFO "%45s: %8x\n", str, buf[off]);
+	pr_info("%45s: %8x\n", str, buf[off]);
 }
 
 static void ds_dump_status(struct ds_device *dev, unsigned char *buf, int count)
 {
 	int i;
 
-	printk(KERN_INFO "0x%x: count=%d, status: ", dev->ep[EP_STATUS], count);
+	pr_info("0x%x: count=%d, status: ", dev->ep[EP_STATUS], count);
 	for (i=0; i<count; ++i)
-		printk("%02x ", buf[i]);
-	printk(KERN_INFO "\n");
+		pr_info("%02x ", buf[i]);
+	pr_info("\n");
 
 	if (count >= 16) {
 		ds_print_msg(buf, "enable flag", 0);
@@ -305,21 +306,21 @@ static void ds_dump_status(struct ds_device *dev, unsigned char *buf, int count)
 		}
 		ds_print_msg(buf, "Result Register Value: ", i);
 		if (buf[i] & RR_NRS)
-			printk(KERN_INFO "NRS: Reset no presence or ...\n");
+			pr_info("NRS: Reset no presence or ...\n");
 		if (buf[i] & RR_SH)
-			printk(KERN_INFO "SH: short on reset or set path\n");
+			pr_info("SH: short on reset or set path\n");
 		if (buf[i] & RR_APP)
-			printk(KERN_INFO "APP: alarming presence on reset\n");
+			pr_info("APP: alarming presence on reset\n");
 		if (buf[i] & RR_VPP)
-			printk(KERN_INFO "VPP: 12V expected not seen\n");
+			pr_info("VPP: 12V expected not seen\n");
 		if (buf[i] & RR_CMP)
-			printk(KERN_INFO "CMP: compare error\n");
+			pr_info("CMP: compare error\n");
 		if (buf[i] & RR_CRC)
-			printk(KERN_INFO "CRC: CRC error detected\n");
+			pr_info("CRC: CRC error detected\n");
 		if (buf[i] & RR_RDP)
-			printk(KERN_INFO "RDP: redirected page\n");
+			pr_info("RDP: redirected page\n");
 		if (buf[i] & RR_EOS)
-			printk(KERN_INFO "EOS: end of search error\n");
+			pr_info("EOS: end of search error\n");
 	}
 }
 
@@ -330,15 +331,13 @@ static void ds_reset_device(struct ds_device *dev)
 	 * the strong pullup.
 	 */
 	if (ds_send_control_mode(dev, MOD_PULSE_EN, PULSE_SPUE))
-		printk(KERN_ERR "ds_reset_device: "
-			"Error allowing strong pullup\n");
+		pr_err("ds_reset_device: Error allowing strong pullup\n");
 	/* Chip strong pullup time was cleared. */
 	if (dev->spu_sleep) {
 		/* lower 4 bits are 0, see ds_set_pullup */
 		u8 del = dev->spu_sleep>>4;
 		if (ds_send_control(dev, COMM_SET_DURATION | COMM_IM, del))
-			printk(KERN_ERR "ds_reset_device: "
-				"Error setting duration\n");
+			pr_err("ds_reset_device: Error setting duration\n");
 	}
 }
 
@@ -363,7 +362,7 @@ static int ds_recv_data(struct ds_device *dev, unsigned char *buf, int size)
 		u8 buf[ST_SIZE];
 		int count;
 
-		printk(KERN_INFO "Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]);
+		pr_info("Clearing ep0x%x.\n", dev->ep[EP_DATA_IN]);
 		usb_clear_halt(dev->udev, usb_rcvbulkpipe(dev->udev, dev->ep[EP_DATA_IN]));
 
 		count = ds_recv_status_nodump(dev, &st, buf, sizeof(buf));
@@ -391,7 +390,7 @@ static int ds_send_data(struct ds_device *dev, unsigned char *buf, int len)
 	count = 0;
 	err = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->ep[EP_DATA_OUT]), buf, len, &count, 1000);
 	if (err < 0) {
-		printk(KERN_ERR "Failed to write 1-wire data to ep0x%x: "
+		pr_err("Failed to write 1-wire data to ep0x%x: "
 			"err=%d.\n", dev->ep[EP_DATA_OUT], err);
 		return err;
 	}
@@ -475,7 +474,7 @@ static int ds_wait_status(struct ds_device *dev, struct ds_status *st)
 	} while (!(st->status & ST_IDLE) && !(err < 0) && ++count < 100);
 
 	if (err >= 16 && st->status & ST_EPOF) {
-		printk(KERN_INFO "Resetting device after ST_EPOF.\n");
+		pr_info("Resetting device after ST_EPOF.\n");
 		ds_reset_device(dev);
 		/* Always dump the device status. */
 		count = 101;
@@ -992,7 +991,7 @@ static int ds_probe(struct usb_interface *intf,
 
 	dev = kzalloc(sizeof(struct ds_device), GFP_KERNEL);
 	if (!dev) {
-		printk(KERN_INFO "Failed to allocate new DS9490R structure.\n");
+		pr_info("Failed to allocate new DS9490R structure.\n");
 		return -ENOMEM;
 	}
 	dev->udev = usb_get_dev(udev);
@@ -1024,7 +1023,8 @@ static int ds_probe(struct usb_interface *intf,
 
 	iface_desc = &intf->altsetting[alt];
 	if (iface_desc->desc.bNumEndpoints != NUM_EP-1) {
-		printk(KERN_INFO "Num endpoints=%d. It is not DS9490R.\n", iface_desc->desc.bNumEndpoints);
+		pr_info("Num endpoints=%d. It is not DS9490R.\n",
+			iface_desc->desc.bNumEndpoints);
 		err = -EINVAL;
 		goto err_out_clear;
 	}