From: Ravishankar Karkala Mallikarjunayya <[email protected]>

Added #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt.
Converted printks to pr_<level> and dev_printk.
Removed unnecessary printks.

Signed-off-by: Ravishankar Karkala Mallikarjunayya 
<[email protected]>
---
 drivers/staging/comedi/drivers/dt3000.c |   51 +++++++++++++++----------------
 1 files changed, 25 insertions(+), 26 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt3000.c 
b/drivers/staging/comedi/drivers/dt3000.c
index 6170f7b..1d2c1a1 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -57,6 +57,9 @@ AO commands are not supported.
    you the docs without one, also.
 */
 
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #define DEBUG 1
 
 #include <linux/interrupt.h>
@@ -161,7 +164,7 @@ static const struct dt3k_boardtype dt3k_boardtypes[] = {
         },
 };
 
-#define n_dt3k_boards sizeof(dt3k_boardtypes)/sizeof(struct dt3k_boardtype)
+#define n_dt3k_boards (sizeof(dt3k_boardtypes)/sizeof(struct dt3k_boardtype))
 #define this_board ((const struct dt3k_boardtype *)dev->board_ptr)
 
 static DEFINE_PCI_DEVICE_TABLE(dt3k_pci_table) = {
@@ -352,7 +355,7 @@ static int dt3k_send_cmd(struct comedi_device *dev, 
unsigned int cmd)
        if ((status & DT3000_COMPLETION_MASK) == DT3000_NOERROR)
                return 0;
 
-       printk("dt3k_send_cmd() timeout/error status=0x%04x\n", status);
+       pr_err("%s: timeout/error status=0x%04x\n", __func__, status);
 
        return -ETIME;
 }
@@ -383,7 +386,7 @@ static void dt3k_writesingle(struct comedi_device *dev, 
unsigned int subsys,
        dt3k_send_cmd(dev, CMD_WRITESINGLE);
 }
 
-static int debug_n_ints = 0;
+static int debug_n_ints;
 
 /* FIXME! Assumes shared interrupt is for this card. */
 /* What's this debug_n_ints stuff? Obviously needs some work... */
@@ -420,7 +423,6 @@ static irqreturn_t dt3k_interrupt(int irq, void *d)
        return IRQ_HANDLED;
 }
 
-#ifdef DEBUG
 static char *intr_flags[] = {
        "AdFull", "AdSwError", "AdHwError", "DaEmpty",
        "DaSwError", "DaHwError", "CtDone", "CmDone",
@@ -429,14 +431,12 @@ static char *intr_flags[] = {
 static void debug_intr_flags(unsigned int flags)
 {
        int i;
-       printk("dt3k: intr_flags:");
+       pr_debug("intr_flags:\n");
        for (i = 0; i < 8; i++) {
                if (flags & (1 << i))
-                       printk(" %s", intr_flags[i]);
+                       pr_debug("%s\n", intr_flags[i]);
        }
-       printk("\n");
 }
-#endif
 
 static void dt3k_ai_empty_fifo(struct comedi_device *dev,
                               struct comedi_subdevice *s)
@@ -452,7 +452,7 @@ static void dt3k_ai_empty_fifo(struct comedi_device *dev,
        if (count < 0)
                count += AI_FIFO_DEPTH;
 
-       printk("reading %d samples\n", count);
+       pr_debug("reading %d samples\n", count);
 
        rear = devpriv->ai_rear;
 
@@ -504,7 +504,9 @@ static int dt3k_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
+        */
 
        if (err)
                return 2;
@@ -640,7 +642,7 @@ static int dt3k_ai_cmd(struct comedi_device *dev, struct 
comedi_subdevice *s)
        int ret;
        unsigned int mode;
 
-       printk("dt3k_ai_cmd:\n");
+       dev_dbg(dev->hw_dev, "dt3k_ai_cmd:\n");
        for (i = 0; i < cmd->chanlist_len; i++) {
                chan = CR_CHAN(cmd->chanlist[i]);
                range = CR_RANGE(cmd->chanlist[i]);
@@ -651,15 +653,15 @@ static int dt3k_ai_cmd(struct comedi_device *dev, struct 
comedi_subdevice *s)
        aref = CR_AREF(cmd->chanlist[0]);
 
        writew(cmd->scan_end_arg, devpriv->io_addr + DPR_Params(0));
-       printk("param[0]=0x%04x\n", cmd->scan_end_arg);
+       dev_dbg(dev->hw_dev, "param[0]=0x%04x\n", cmd->scan_end_arg);
 
        if (cmd->convert_src == TRIG_TIMER) {
                divider = dt3k_ns_to_timer(50, &cmd->convert_arg,
                                           cmd->flags & TRIG_ROUND_MASK);
                writew((divider >> 16), devpriv->io_addr + DPR_Params(1));
-               printk("param[1]=0x%04x\n", divider >> 16);
+               dev_dbg(dev->hw_dev, "param[1]=0x%04x\n", divider >> 16);
                writew((divider & 0xffff), devpriv->io_addr + DPR_Params(2));
-               printk("param[2]=0x%04x\n", divider & 0xffff);
+               dev_dbg(dev->hw_dev, "param[2]=0x%04x\n", divider & 0xffff);
        } else {
                /* not supported */
        }
@@ -668,21 +670,21 @@ static int dt3k_ai_cmd(struct comedi_device *dev, struct 
comedi_subdevice *s)
                tscandiv = dt3k_ns_to_timer(100, &cmd->scan_begin_arg,
                                            cmd->flags & TRIG_ROUND_MASK);
                writew((tscandiv >> 16), devpriv->io_addr + DPR_Params(3));
-               printk("param[3]=0x%04x\n", tscandiv >> 16);
+               dev_dbg(dev->hw_dev, "param[3]=0x%04x\n", tscandiv >> 16);
                writew((tscandiv & 0xffff), devpriv->io_addr + DPR_Params(4));
-               printk("param[4]=0x%04x\n", tscandiv & 0xffff);
+               dev_dbg(dev->hw_dev, "param[4]=0x%04x\n", tscandiv & 0xffff);
        } else {
                /* not supported */
        }
 
        mode = DT3000_AD_RETRIG_INTERNAL | 0 | 0;
        writew(mode, devpriv->io_addr + DPR_Params(5));
-       printk("param[5]=0x%04x\n", mode);
+       dev_dbg(dev->hw_dev, "param[5]=0x%04x\n", mode);
        writew(aref == AREF_DIFF, devpriv->io_addr + DPR_Params(6));
-       printk("param[6]=0x%04x\n", aref == AREF_DIFF);
+       dev_dbg(dev->hw_dev, "param[6]=0x%04x\n", aref == AREF_DIFF);
 
        writew(AI_FIFO_DEPTH / 2, devpriv->io_addr + DPR_Params(7));
-       printk("param[7]=0x%04x\n", AI_FIFO_DEPTH / 2);
+       dev_dbg(dev->hw_dev, "param[7]=0x%04x\n", AI_FIFO_DEPTH / 2);
 
        writew(SUBS_AI, devpriv->io_addr + DPR_SubSys);
        ret = dt3k_send_cmd(dev, CMD_CONFIG);
@@ -848,7 +850,6 @@ static int dt3000_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        int bus, slot;
        int ret = 0;
 
-       printk("dt3000:");
        bus = it->options[0];
        slot = it->options[1];
 
@@ -860,7 +861,7 @@ static int dt3000_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
        if (ret < 0)
                return ret;
        if (ret == 0) {
-               printk(" no DT board found\n");
+               pr_err("no DT board found\n");
                return -ENODEV;
        }
 
@@ -868,7 +869,7 @@ static int dt3000_attach(struct comedi_device *dev, struct 
comedi_devconfig *it)
 
        if (request_irq(devpriv->pci_dev->irq, dt3k_interrupt, IRQF_SHARED,
                        "dt3000", dev)) {
-               printk(" unable to allocate IRQ %u\n", devpriv->pci_dev->irq);
+               pr_err("unable to allocate IRQ %u\n", devpriv->pci_dev->irq);
                return -EINVAL;
        }
        dev->irq = devpriv->pci_dev->irq;
@@ -998,10 +999,8 @@ static int setup_pci(struct comedi_device *dev)
        devpriv->io_addr = ioremap(devpriv->phys_addr, DT3000_SIZE);
        if (!devpriv->io_addr)
                return -ENOMEM;
-#if DEBUG
-       printk("0x%08llx mapped to %p, ",
-              (unsigned long long)devpriv->phys_addr, devpriv->io_addr);
-#endif
+       pr_debug("0x%08llx mapped to %p,\n",
+               (unsigned long long)devpriv->phys_addr, devpriv->io_addr);
 
        return 0;
 }
-- 
1.7.6.4

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