Commit 8383b8c4 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: das16: clarify 8254 timer programming



Refactor the 8254 timer programming to use the i8254_set_mode()
and i8254_write() helpers instead of i8254_load(). This allows
us to use the I8254_MODE* defines to clarify the code.

Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bef74ba8
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+4 −3
Original line number Diff line number Diff line
@@ -740,9 +740,10 @@ static unsigned int das16_set_pacer(struct comedi_device *dev, unsigned int ns,
				  &devpriv->divisor1, &devpriv->divisor2,
				  &ns, rounding_flags);

	/* Write the values of ctr1 and ctr2 into counters 1 and 2 */
	i8254_load(timer_base, 0, 1, devpriv->divisor1, 2);
	i8254_load(timer_base, 0, 2, devpriv->divisor2, 2);
	i8254_set_mode(timer_base, 0, 1, I8254_MODE2 | I8254_BINARY);
	i8254_set_mode(timer_base, 0, 2, I8254_MODE2 | I8254_BINARY);
	i8254_write(timer_base, 0, 1, devpriv->divisor1);
	i8254_write(timer_base, 0, 2, devpriv->divisor2);

	return ns;
}