diff options
| author |   Bhaktipriya Shridhar <bhaktipriya96@gmail.com> | 2016-03-10 00:19:38 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-03-10 19:34:22 -0800 |
| commit | 0116317636ad2cf99918679517fb62d7c1c40f77 (patch) | |
| tree | a53a02e00fca5edd4a9017bcf44576f1e35f6848 /drivers/staging/comedi | |
| parent | staging: comedi: drivers: ni_mio_common: Prefer using macro DIV_ROUND_UP (diff) | |
| download | linux-dev-0116317636ad2cf99918679517fb62d7c1c40f77.tar.xz linux-dev-0116317636ad2cf99918679517fb62d7c1c40f77.zip | |
staging: comedi: rtd520: Prefer using macro DIV_ROUND_UP
The macro DIV_ROUND_UP performs the computation
(((n) + (d) - 1) /(d)). It clarifies the divisor calculations.
This was done using the coccinelle script:
@@
expression e1;
expression e2;
@@
(
- ((e1) + e2 - 1) / (e2)
+ DIV_ROUND_UP(e1,e2)
|
- ((e1) + (e2 - 1)) / (e2)
+ DIV_ROUND_UP(e1,e2)
)
Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index 68ac02b68cb2..9b6c56773247 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -892,9 +892,8 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) devpriv->xfer_count = cmd->chanlist_len; } else { /* make a multiple of scan length */ devpriv->xfer_count = - (devpriv->xfer_count + - cmd->chanlist_len - 1) - / cmd->chanlist_len; + DIV_ROUND_UP(devpriv->xfer_count, + cmd->chanlist_len); devpriv->xfer_count *= cmd->chanlist_len; } devpriv->flags |= SEND_EOS; |