Commit 27eeef41 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman

staging: comedi: das16m1: tidy up comments in das16m1_handler()

Fix the checkpatch.pl issue:
WARNING: Block comments use a trailing */ on a separate line
Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 7e573494
...@@ -405,20 +405,24 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status) ...@@ -405,20 +405,24 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
/* figure out how many samples are in fifo */ /* figure out how many samples are in fifo */
hw_counter = comedi_8254_read(devpriv->counter, 1); hw_counter = comedi_8254_read(devpriv->counter, 1);
/* make sure hardware counter reading is not bogus due to initial value /*
* not having been loaded yet */ * Make sure hardware counter reading is not bogus due to initial
* value not having been loaded yet.
*/
if (devpriv->adc_count == 0 && if (devpriv->adc_count == 0 &&
hw_counter == devpriv->initial_hw_count) { hw_counter == devpriv->initial_hw_count) {
num_samples = 0; num_samples = 0;
} else { } else {
/* The calculation of num_samples looks odd, but it uses the /*
* The calculation of num_samples looks odd, but it uses the
* following facts. 16 bit hardware counter is initialized with * following facts. 16 bit hardware counter is initialized with
* value of zero (which really means 0x1000). The counter * value of zero (which really means 0x1000). The counter
* decrements by one on each conversion (when the counter * decrements by one on each conversion (when the counter
* decrements from zero it goes to 0xffff). num_samples is a * decrements from zero it goes to 0xffff). num_samples is a
* 16 bit variable, so it will roll over in a similar fashion * 16 bit variable, so it will roll over in a similar fashion
* to the hardware counter. Work it out, and this is what you * to the hardware counter. Work it out, and this is what you
* get. */ * get.
*/
num_samples = -hw_counter - devpriv->adc_count; num_samples = -hw_counter - devpriv->adc_count;
} }
/* check if we only need some of the points */ /* check if we only need some of the points */
...@@ -441,8 +445,10 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status) ...@@ -441,8 +445,10 @@ static void das16m1_handler(struct comedi_device *dev, unsigned int status)
} }
} }
/* this probably won't catch overruns since the card doesn't generate /*
* overrun interrupts, but we might as well try */ * This probably won't catch overruns since the card doesn't generate
* overrun interrupts, but we might as well try.
*/
if (status & OVRUN) { if (status & OVRUN) {
async->events |= COMEDI_CB_ERROR; async->events |= COMEDI_CB_ERROR;
dev_err(dev->class_dev, "fifo overflow\n"); dev_err(dev->class_dev, "fifo overflow\n");
......
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