From: H Hartley Sweeten Date: Wed, 21 Jan 2015 22:11:47 +0000 (-0700) Subject: staging: comedi: ni_labpc_common: use DIV_ROUND_UP to round divisor values X-Git-Tag: firefly_0821_release~176^2~2320^2~200 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bcdf8b5d01df2ac5aedf94e750a135c3798e3e93;p=firefly-linux-kernel-4.4.55.git staging: comedi: ni_labpc_common: use DIV_ROUND_UP to round divisor values Use the DIV_ROUND_UP macro to clarify the (((n) + (d) - 1) / (d)) calculations. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/ni_labpc_common.c b/drivers/staging/comedi/drivers/ni_labpc_common.c index 3cd200a6d768..c494c53ef335 100644 --- a/drivers/staging/comedi/drivers/ni_labpc_common.c +++ b/drivers/staging/comedi/drivers/ni_labpc_common.c @@ -406,10 +406,10 @@ static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd, (scan_period + (base_period / 2)) / base_period; break; case CMDF_ROUND_UP: - devpriv->divisor_a0 = - (convert_period + (base_period - 1)) / base_period; - devpriv->divisor_b1 = - (scan_period + (base_period - 1)) / base_period; + devpriv->divisor_a0 = DIV_ROUND_UP(convert_period, + base_period); + devpriv->divisor_b1 = DIV_ROUND_UP(scan_period, + base_period); break; case CMDF_ROUND_DOWN: devpriv->divisor_a0 = convert_period / base_period;