Commit 01163176 authored Mar 10, 2016 by Bhaktipriya Shridhar Committed by Greg Kroah-Hartman Mar 10, 2016

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>

parent 7f9d2b1c

drivers/staging/comedi/drivers/rtd520.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -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;

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