[PATCH 21/24] Staging: comedi: fix warning issue in cb_das16_cs.c

[Ravishankar Karkala Mallikarjunayya]

Added #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt.
converted printks to dev_printk.
Removed unnecessary printk statements.
Fixed line over 80 character and NULL initilization issue.

Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankar.km@xxxxxxxxxxxxxxx>
---
 drivers/staging/comedi/drivers/cb_das16_cs.c |   26 ++++++++++++--------------
 1 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_das16_cs.c b/drivers/staging/comedi/drivers/cb_das16_cs.c
index 8a1b8a7..71676d8 100644
--- a/drivers/staging/comedi/drivers/cb_das16_cs.c
+++ b/drivers/staging/comedi/drivers/cb_das16_cs.c
@@ -31,6 +31,8 @@ Status: experimental
 
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/interrupt.h>
 #include <linux/slab.h>
 #include "../comedidev.h"
@@ -99,7 +101,7 @@ static struct comedi_driver driver_das16cs = {
 	.detach = das16cs_detach,
 };
 
-static struct pcmcia_device *cur_dev = NULL;
+static struct pcmcia_device *cur_dev;
 
 static const struct comedi_lrange das16cs_ai_range = { 4, {
 							   RANGE(-10, 10),
@@ -150,7 +152,7 @@ static const struct das16cs_board *das16cs_probe(struct comedi_device *dev,
 			return das16cs_boards + i;
 	}
 
-	printk("unknown board!\n");
+	dev_dbg(dev->hw_dev, "unknown board!\n");
 
 	return NULL;
 }
@@ -163,20 +165,17 @@ static int das16cs_attach(struct comedi_device *dev,
 	int ret;
 	int i;
 
-	printk("comedi%d: cb_das16_cs: ", dev->minor);
 
 	link = cur_dev;		/* XXX hack */
 	if (!link)
 		return -EIO;
 
 	dev->iobase = link->resource[0]->start;
-	printk("I/O base=0x%04lx ", dev->iobase);
+	dev_dbg(dev->hw_dev, "I/O base=0x%04lx\n", dev->iobase);
 
-	printk("fingerprint:\n");
+	dev_dbg(dev->hw_dev, "fingerprint:\n");
 	for (i = 0; i < 48; i += 2)
-		printk("%04x ", inw(dev->iobase + i));
-
-	printk("\n");
+		dev_dbg(dev->hw_dev, "%04x\n", inw(dev->iobase + i));
 
 	ret = request_irq(link->irq, das16cs_interrupt,
 			  IRQF_SHARED, "cb_das16_cs", dev);
@@ -185,7 +184,7 @@ static int das16cs_attach(struct comedi_device *dev,
 
 	dev->irq = link->irq;
 
-	printk("irq=%u ", dev->irq);
+	dev_dbg(dev->hw_dev, "irq=%u\n", dev->irq);
 
 	dev->board_ptr = das16cs_probe(dev, link);
 	if (!dev->board_ptr)
@@ -252,14 +251,11 @@ static int das16cs_attach(struct comedi_device *dev,
 		s->type = COMEDI_SUBD_UNUSED;
 	}
 
-	printk("attached\n");
-
 	return 1;
 }
 
 static int das16cs_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: das16cs: remove\n", dev->minor);
 
 	if (dev->irq)
 		free_irq(dev->irq, dev);
@@ -312,7 +308,7 @@ static int das16cs_ai_rinsn(struct comedi_device *dev,
 				break;
 		}
 		if (to == TIMEOUT) {
-			printk("cb_das16_cs: ai timeout\n");
+			dev_err(dev->hw_dev, "ai timeout\n");
 			return -ETIME;
 		}
 		data[i] = (unsigned short)inw(dev->iobase + 0);
@@ -370,7 +366,9 @@ static int das16cs_ai_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/*
+	 * step 2: make sure trigger sources are unique and mutually compatible
+	 */
 
 	/* note that mutual compatibility is not an issue here */
 	if (cmd->scan_begin_src != TRIG_TIMER &&
-- 
1.7.6.4

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