From: Ravishankar <ravi.shankar@xxxxxxxxxxxxxxx>
This is a patch to the das800.c file that fixes up a warning: line over 80 character found by the checkpatch.pl tool
Signed-off-by: Ravishankar <ravishankarkm32@xxxxxxxxx>
---
drivers/staging/comedi/drivers/das800.c | 62 +++++++++++++++++++++----------
1 files changed, 42 insertions(+), 20 deletions(-)
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index 96d41ad..4973ec0 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -96,7 +96,9 @@ cmd triggers supported:
#define BUSY 0x80
#define DAS800_GAIN 3
#define CIO_FFOV 0x8 /* fifo overflow for cio-das802/16 */
-#define CIO_ENHF 0x90 /* interrupt fifo half full for cio-das802/16 */
+#define CIO_ENHF 0x90 /* interrupt fifo half full for
+ * cio - das802 / 16
+ */
#define CONTROL1 0x80
#define CONV_CONTROL 0xa0
#define SCAN_LIMITS 0xc0
@@ -285,9 +287,12 @@ static int das800_probe(struct comedi_device *dev)
unsigned long irq_flags;
int board;
- /* 'comedi spin lock irqsave' disables even rt interrupts, we use them to protect indirect addressing */
+ /* 'comedi spin lock irqsave' disables even rt interrupts,
+ * we use them to protect indirect addressing
+ */
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(ID, dev->iobase + DAS800_GAIN); /* select base address + 7 to be ID register */
+ /* select base address + 7 to be ID register */
+ outb(ID, dev->iobase + DAS800_GAIN);
id_bits = inb(dev->iobase + DAS800_ID) & 0x3; /* get id bits */
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
@@ -366,11 +371,13 @@ static irqreturn_t das800_interrupt(int irq, void *d)
short i; /* loop index */
short dataPoint = 0;
struct comedi_device *dev = d;
- struct comedi_subdevice *s = dev->read_subdev; /* analog input subdevice */
+ /* analog input subdevice */
+ struct comedi_subdevice *s = dev->read_subdev;
struct comedi_async *async;
int status;
unsigned long irq_flags;
- static const int max_loops = 128; /* half-fifo size for cio-das802/16 */
+ /* half-fifo size for cio-das802/16 */
+ static const int max_loops = 128;
/* flags */
int fifo_empty = 0;
int fifo_overflow = 0;
@@ -389,7 +396,8 @@ static irqreturn_t das800_interrupt(int irq, void *d)
/* if hardware conversions are not enabled, then quit */
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(CONTROL1, dev->iobase + DAS800_GAIN); /* select base address + 7 to be STATUS2 register */
+ /* select base address + 7 to be STATUS2 register */
+ outb(CONTROL1, dev->iobase + DAS800_GAIN);
status = inb(dev->iobase + DAS800_STATUS2) & STATUS2_HCEN;
/* don't release spinlock yet since we want to make sure no one else disables hardware conversions */
if (status == 0) {
@@ -443,14 +451,16 @@ static irqreturn_t das800_interrupt(int irq, void *d)
if (devpriv->count > 0 || devpriv->forever == 1) {
/* Re-enable card's interrupt.
* We already have spinlock, so indirect addressing is safe */
- outb(CONTROL1, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be control register 1 */
+ /* select dev->iobase + 2 to be control register 1 */
+ outb(CONTROL1, dev->iobase + DAS800_GAIN);
outb(CONTROL1_INTE | devpriv->do_bits,
dev->iobase + DAS800_CONTROL1);
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
/* otherwise, stop taking data */
} else {
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
- disable_das800(dev); /* diable hardware triggered conversions */
+ /* diable hardware triggered conversions */
+ disable_das800(dev);
async->events |= COMEDI_CB_EOA;
}
comedi_event(dev, s);
@@ -548,7 +558,8 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* initialize digital out channels */
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(CONTROL1, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be control register 1 */
+ /* select dev->iobase + 2 to be control register 1 */
+ outb(CONTROL1, dev->iobase + DAS800_GAIN);
outb(CONTROL1_INTE | devpriv->do_bits, dev->iobase + DAS800_CONTROL1);
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
@@ -583,10 +594,14 @@ static void enable_das800(struct comedi_device *dev)
/* enable fifo-half full interrupts for cio-das802/16 */
if (thisboard->resolution == 16)
outb(CIO_ENHF, dev->iobase + DAS800_GAIN);
- outb(CONV_CONTROL, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be conversion control register */
- outb(CONV_HCEN, dev->iobase + DAS800_CONV_CONTROL); /* enable hardware triggering */
- outb(CONTROL1, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be control register 1 */
- outb(CONTROL1_INTE | devpriv->do_bits, dev->iobase + DAS800_CONTROL1); /* enable card's interrupt */
+ /* select dev->iobase + 2 to be conversion control register */
+ outb(CONV_CONTROL, dev->iobase + DAS800_GAIN);
+ /* enable hardware triggering */
+ outb(CONV_HCEN, dev->iobase + DAS800_CONV_CONTROL);
+ /* select dev->iobase + 2 to be control register 1 */
+ outb(CONTROL1, dev->iobase + DAS800_GAIN);
+ /* enable card's interrupt */
+ outb(CONTROL1_INTE | devpriv->do_bits, dev->iobase + DAS800_CONTROL1);
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
}
@@ -595,8 +610,10 @@ static void disable_das800(struct comedi_device *dev)
{
unsigned long irq_flags;
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(CONV_CONTROL, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be conversion control register */
- outb(0x0, dev->iobase + DAS800_CONV_CONTROL); /* disable hardware triggering of conversions */
+ /* select dev->iobase + 2 to be conversion control register */
+ outb(CONV_CONTROL, dev->iobase + DAS800_GAIN);
+ /* disable hardware triggering of conversions */
+ outb(0x0, dev->iobase + DAS800_CONV_CONTROL);
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
}
@@ -749,7 +766,8 @@ static int das800_ai_do_cmd(struct comedi_device *dev,
scan = (endChan << 3) | startChan;
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(SCAN_LIMITS, dev->iobase + DAS800_GAIN); /* select base address + 2 to be scan limits register */
+ /* select base address + 2 to be scan limits register */
+ outb(SCAN_LIMITS, dev->iobase + DAS800_GAIN);
outb(scan, dev->iobase + DAS800_SCAN_LIMITS); /* set scan limits */
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
@@ -801,7 +819,8 @@ static int das800_ai_do_cmd(struct comedi_device *dev,
}
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(CONV_CONTROL, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be conversion control register */
+ /* select dev->iobase + 2 to be conversion control register */
+ outb(CONV_CONTROL, dev->iobase + DAS800_GAIN);
outb(conv_bits, dev->iobase + DAS800_CONV_CONTROL);
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
async->events = 0;
@@ -820,13 +839,15 @@ static int das800_ai_rinsn(struct comedi_device *dev,
int timeout = 1000;
unsigned long irq_flags;
- disable_das800(dev); /* disable hardware conversions (enables software conversions) */
+ /* disable hardware conversions (enables software conversions) */
+ disable_das800(dev);
/* set multiplexer */
chan = CR_CHAN(insn->chanspec);
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(CONTROL1, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be control register 1 */
+ /* select dev->iobase + 2 to be control register 1 */
+ outb(CONTROL1, dev->iobase + DAS800_GAIN);
outb(chan | devpriv->do_bits, dev->iobase + DAS800_CONTROL1);
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
@@ -893,7 +914,8 @@ static int das800_do_wbits(struct comedi_device *dev,
devpriv->do_bits = wbits << 4;
spin_lock_irqsave(&dev->spinlock, irq_flags);
- outb(CONTROL1, dev->iobase + DAS800_GAIN); /* select dev->iobase + 2 to be control register 1 */
+ /* select dev->iobase + 2 to be control register 1 */
+ outb(CONTROL1, dev->iobase + DAS800_GAIN);
outb(devpriv->do_bits | CONTROL1_INTE, dev->iobase + DAS800_CONTROL1);
spin_unlock_irqrestore(&dev->spinlock, irq_flags);
--
1.6.5.2
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