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Commit add873f2 authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
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staging: comedi: amplc_dio200: shrink struct dio200_subdev_intr 



Shave a few bytes off the size of `struct dio200_subdev_intr` by
rearranging members and changing two of them to bit-fields.

Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f7282f05

drivers/staging/comedi/drivers/amplc_dio200.c

+7 −7
Original line number Diff line number Diff line
@@ -581,13 +581,13 @@ struct dio200_subdev_8255 { 
};



struct dio200_subdev_intr {

	unsigned int ofs;

	spinlock_t spinlock;

	int active;

	unsigned int ofs;

	unsigned int valid_isns;

	unsigned int enabled_isns;

	unsigned int stopcount;

	int continuous;

	bool active:1;

	bool continuous:1;

};



static inline const struct dio200_layout *
@@ -723,7 +723,7 @@ static void dio200_stop_intr(struct comedi_device *dev, 
	const struct dio200_layout *layout = dio200_dev_layout(dev);

	struct dio200_subdev_intr *subpriv = s->private;



	subpriv->active = 0;

	subpriv->active = false;

	subpriv->enabled_isns = 0;

	if (layout->has_int_sce)

		dio200_write8(dev, subpriv->ofs, 0);
@@ -745,7 +745,7 @@ static int dio200_start_intr(struct comedi_device *dev, 
	if (!subpriv->continuous && subpriv->stopcount == 0) {

		/* An empty acquisition! */

		s->async->events |= COMEDI_CB_EOA;

		subpriv->active = 0;

		subpriv->active = false;

		retval = 1;

	} else {

		/* Determine interrupt sources to enable. */
@@ -998,12 +998,12 @@ static int dio200_subdev_intr_cmd(struct comedi_device *dev, 
	/* Set up end of acquisition. */

	switch (cmd->stop_src) {

	case TRIG_COUNT:

		subpriv->continuous = 0;

		subpriv->continuous = false;

		subpriv->stopcount = cmd->stop_arg;

		break;

	default:

		/* TRIG_NONE */

		subpriv->continuous = 1;

		subpriv->continuous = true;

		subpriv->stopcount = 0;

		break;

	}