From 0116317636ad2cf99918679517fb62d7c1c40f77 Mon Sep 17 00:00:00 2001 From: Bhaktipriya Shridhar Date: Thu, 10 Mar 2016 00:19:38 +0530 Subject: 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 Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/rtd520.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/staging/comedi') 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; -- cgit v1.2.3-59-g8ed1b