This is a patch to the ni_at_a2150.c file that fixes up a printk
warning found by the checkpatch.pl tool
converted printks to dev_printk.
Removed unnecessary printk statements.
Fixed brace coding issue.
Signed-off-by: Ravishankar Karkala Mallikarjunayya <ravishankar.km@xxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_at_a2150.c | 43 +++++++++----------------
1 files changed, 16 insertions(+), 27 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_at_a2150.c b/drivers/staging/comedi/drivers/ni_at_a2150.c
index 32e675e..54ddb2b 100644
--- a/drivers/staging/comedi/drivers/ni_at_a2150.c
+++ b/drivers/staging/comedi/drivers/ni_at_a2150.c
@@ -211,17 +211,14 @@ static void __exit driver_a2150_cleanup_module(void)
module_init(driver_a2150_init_module);
module_exit(driver_a2150_cleanup_module);
-#ifdef A2150_DEBUG
-
static void ni_dump_regs(struct comedi_device *dev)
{
- printk("config bits 0x%x\n", devpriv->config_bits);
- printk("irq dma bits 0x%x\n", devpriv->irq_dma_bits);
- printk("status bits 0x%x\n", inw(dev->iobase + STATUS_REG));
+ dev_dbg(dev->hw_dev, "config bits 0x%x\n", devpriv->config_bits);
+ dev_dbg(dev->hw_dev, "irq dma bits 0x%x\n", devpriv->irq_dma_bits);
+ dev_dbg(dev->hw_dev, "status bits 0x%x\n",
+ inw(dev->iobase + STATUS_REG));
}
-#endif
-
/* interrupt service routine */
static irqreturn_t a2150_interrupt(int irq, void *d)
{
@@ -347,8 +344,6 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
static const int timeout = 2000;
int i;
- printk("comedi%d: %s: io 0x%lx", dev->minor, driver_a2150.driver_name,
- iobase);
if (irq) {
printk(", irq %u", irq);
} else {
@@ -359,20 +354,19 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
} else {
printk(", no dma");
}
- printk("\n");
/* allocate and initialize dev->private */
if (alloc_private(dev, sizeof(struct a2150_private)) < 0)
return -ENOMEM;
if (iobase == 0) {
- printk(" io base address required\n");
+ dev_err(dev->hw_dev, "io base address required\n");
return -EINVAL;
}
/* check if io addresses are available */
if (!request_region(iobase, A2150_SIZE, driver_a2150.driver_name)) {
- printk(" I/O port conflict\n");
+ dev_err(dev->hw_dev, "I/O port conflict\n");
return -EIO;
}
dev->iobase = iobase;
@@ -381,12 +375,13 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
if (irq) {
/* check that irq is supported */
if (irq < 3 || irq == 8 || irq == 13 || irq > 15) {
- printk(" invalid irq line %u\n", irq);
+ dev_err(dev->hw_dev, "invalid irq line %u\n", irq);
return -EINVAL;
}
if (request_irq(irq, a2150_interrupt, 0,
driver_a2150.driver_name, dev)) {
- printk("unable to allocate irq %u\n", irq);
+ dev_err(dev->hw_dev, "unable to allocate irq %u\n",
+ irq);
return -EINVAL;
}
devpriv->irq_dma_bits |= IRQ_LVL_BITS(irq);
@@ -395,11 +390,12 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* initialize dma */
if (dma) {
if (dma == 4 || dma > 7) {
- printk(" invalid dma channel %u\n", dma);
+ dev_err(dev->hw_dev, "invalid dma channel %u\n", dma);
return -EINVAL;
}
if (request_dma(dma, driver_a2150.driver_name)) {
- printk(" failed to allocate dma channel %u\n", dma);
+ dev_err(dev->hw_dev, "failed to allocate dma channel %u\n",
+ dma);
return -EINVAL;
}
devpriv->dma = dma;
@@ -466,7 +462,6 @@ static int a2150_attach(struct comedi_device *dev, struct comedi_devconfig *it)
static int a2150_detach(struct comedi_device *dev)
{
- printk("comedi%d: %s: remove\n", dev->minor, driver_a2150.driver_name);
/* only free stuff if it has been allocated by _attach */
if (dev->iobase) {
@@ -731,12 +726,9 @@ static int a2150_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
outw(trigger_bits, dev->iobase + TRIGGER_REG);
/* start acquisition for soft trigger */
- if (cmd->start_src == TRIG_NOW) {
+ if (cmd->start_src == TRIG_NOW)
outw(0, dev->iobase + FIFO_START_REG);
- }
-#ifdef A2150_DEBUG
ni_dump_regs(dev);
-#endif
return 0;
}
@@ -801,9 +793,7 @@ static int a2150_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
ni_dump_regs(dev);
#endif
data[n] = inw(dev->iobase + FIFO_DATA_REG);
-#ifdef A2150_DEBUG
- printk(" data is %i\n", data[n]);
-#endif
+ dev_dbg(dev->hw_dev, "data is %i\n", data[n]);
data[n] ^= 0x8000;
}
@@ -860,11 +850,10 @@ static int a2150_get_timing(struct comedi_device *dev, unsigned int *period,
case TRIG_ROUND_NEAREST:
default:
/* if least upper bound is better approximation */
- if (lub - *period < *period - glb) {
+ if (lub - *period < *period - glb)
*period = lub;
- } else {
+ else
*period = glb;
- }
break;
case TRIG_ROUND_UP:
*period = lub;
--
1.7.6.4
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