Re: [PATCH 1/1 v2] Staging: comedi: fix printk issue in c6xdigio.c

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On 26/07/11 16:45, Ravishankar wrote:
From: Ravishankar<ravi.shankar@xxxxxxxxxxxxxxx>

This is a patch to the c6xdigio.c file that fixes up a printk warning found by the checkpatch.pl tool

Signed-off-by: Ravishankr<ravishankarkm32@xxxxxxxxx>
---

  drivers/staging/comedi/drivers/c6xdigio.c |   12 ++++++------
  1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/comedi/drivers/c6xdigio.c b/drivers/staging/comedi/drivers/c6xdigio.c
index e0ac825..b0b578c 100644
--- a/drivers/staging/comedi/drivers/c6xdigio.c
+++ b/drivers/staging/comedi/drivers/c6xdigio.c
@@ -343,7 +343,7 @@ static int c6xdigio_pwmo_insn_read(struct comedi_device *dev,
  				   struct comedi_subdevice *s,
  				   struct comedi_insn *insn, unsigned int *data)
  {
-	printk("c6xdigio_pwmo_insn_read %x\n", insn->n);
+	pr_info("%s %x\n", __func__, insn->n);
  	return insn->n;
  }

@@ -439,9 +439,9 @@ static int c6xdigio_attach(struct comedi_device *dev,
  	struct comedi_subdevice *s;

  	iobase = it->options[0];
-	printk("comedi%d: c6xdigio: 0x%04lx\n", dev->minor, iobase);
+	pr_info("comedi%d: c6xdigio: 0x%04lx\n", dev->minor, iobase);
  	if (!request_region(iobase, C6XDIGIO_SIZE, "c6xdigio")) {
-		printk("comedi%d: I/O port conflict\n", dev->minor);
+		pr_err("comedi%d: I/O port conflict\n", dev->minor);
  		return -EIO;
  	}
  	dev->iobase = iobase;
@@ -456,9 +456,9 @@ static int c6xdigio_attach(struct comedi_device *dev,

  	irq = it->options[1];
  	if (irq>  0)
-		printk("comedi%d: irq = %u ignored\n", dev->minor, irq);
+		pr_debug("%s: %x\n", __func__, insn->n);
  	else if (irq == 0)
-		printk("comedi%d: no irq\n", dev->minor);
+		pr_debug("%s: %x\n", __func__, insn->n);

You are doing this without any thought at all. Not only does this replace a useful message with a completely useless one, but it also won't even compile if DEBUG is defined. It is not confidence inspiring.

~Ryan

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