[PATCH 5/9] staging: comedi: adv_pci1710: use sample manipulation helpers
H Hartley Sweeten
hsweeten at visionengravers.com
Fri Oct 31 19:04:32 UTC 2014
Use the recently added sample manipulation helpers to remove the hardcoded
assumption of the sample size.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
drivers/staging/comedi/drivers/adv_pci1710.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 420554f7..107a0f1 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -823,7 +823,8 @@ static void pci1710_handle_fifo(struct comedi_device *dev,
const struct boardtype *this_board = dev->board_ptr;
struct pci1710_private *devpriv = dev->private;
struct comedi_cmd *cmd = &s->async->cmd;
- int m, samplesinbuf;
+ unsigned int nsamples;
+ unsigned int m;
m = inw(dev->iobase + PCI171x_STATUS);
if (!(m & Status_FH)) {
@@ -840,16 +841,16 @@ static void pci1710_handle_fifo(struct comedi_device *dev,
return;
}
- samplesinbuf = this_board->fifo_half_size;
- if (samplesinbuf * sizeof(short) >= s->async->prealloc_bufsz) {
- m = s->async->prealloc_bufsz / sizeof(short);
+ nsamples = this_board->fifo_half_size;
+ if (comedi_samples_to_bytes(s, nsamples) >= s->async->prealloc_bufsz) {
+ m = comedi_bytes_to_samples(s, s->async->prealloc_bufsz);
if (move_block_from_fifo(dev, s, m, 0))
return;
- samplesinbuf -= m;
+ nsamples -= m;
}
- if (samplesinbuf) {
- if (move_block_from_fifo(dev, s, samplesinbuf, 1))
+ if (nsamples) {
+ if (move_block_from_fifo(dev, s, nsamples, 1))
return;
}
--
2.0.3
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