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Commit b00b3f76 authored by Ian Abbott's avatar Ian Abbott Committed by Greg Kroah-Hartman
Browse files

staging: comedi: das08: rename DAS08_STATUS 



The `DAS08_STATUS` macro contains the offset to the read-only status
register.  Rename it to `DAS08_STATUS_REG` and add a comment.

Signed-off-by: default avatarIan Abbott <abbotti@mev.co.uk>
Reviewed-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c2ba9e96

drivers/staging/comedi/drivers/das08.c

+3 −3
Original line number Original line Diff line number Diff line
@@ -57,7 +57,7 @@ 
#define DAS08_AI_LSB_REG	0x00	/* (R) AI least significant bits */

#define DAS08_AI_LSB_REG	0x00	/* (R) AI least significant bits */

#define DAS08_AI_MSB_REG	0x01	/* (R) AI most significant bits */

#define DAS08_AI_MSB_REG	0x01	/* (R) AI most significant bits */

#define DAS08_AI_TRIG_REG	0x01	/* (W) AI software trigger */

#define DAS08_AI_TRIG_REG	0x01	/* (W) AI software trigger */

#define DAS08_STATUS		2

#define DAS08_STATUS_REG	0x02	/* (R) status */

#define   DAS08_EOC			(1<<7)

#define   DAS08_EOC			(1<<7)

#define   DAS08_IRQ			(1<<3)

#define   DAS08_IRQ			(1<<3)

#define   DAS08_IP(x)			(((x)>>4)&0x7)

#define   DAS08_IP(x)			(((x)>>4)&0x7)
@@ -205,7 +205,7 @@ static int das08_ai_eoc(struct comedi_device *dev, 
{

{

	unsigned int status;

	unsigned int status;





	status = inb(dev->iobase + DAS08_STATUS);

	status = inb(dev->iobase + DAS08_STATUS_REG);

	if ((status & DAS08_EOC) == 0)

	if ((status & DAS08_EOC) == 0)

		return 0;

		return 0;

	return -EBUSY;

	return -EBUSY;
@@ -282,7 +282,7 @@ static int das08_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s, 
			  struct comedi_insn *insn, unsigned int *data)

			  struct comedi_insn *insn, unsigned int *data)

{

{

	data[0] = 0;

	data[0] = 0;

	data[1] = DAS08_IP(inb(dev->iobase + DAS08_STATUS));

	data[1] = DAS08_IP(inb(dev->iobase + DAS08_STATUS_REG));





	return insn->n;

	return insn->n;

}

}