Commit dd61cedd authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
Browse files

staging: comedi: icp_multi: remove interrupt support 



The interrupt handler in this driver doesn't do anything other than
read the interrupt status register. Since I can't locate a datasheet
for the board, remove the useless interrupt support 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 f9405655

drivers/staging/comedi/drivers/icp_multi.c

+0 −44
Original line number Diff line number Diff line
@@ -45,7 +45,6 @@ 


#include <linux/module.h>

#include <linux/delay.h>

#include <linux/interrupt.h>



#include "../comedi_pci.h"
@@ -284,42 +283,6 @@ static int icp_multi_insn_write_ctr(struct comedi_device *dev, 
	return 0;

}



static irqreturn_t interrupt_service_icp_multi(int irq, void *d)

{

	struct comedi_device *dev = d;

	int int_no;



	/*  Is this interrupt from our board? */

	int_no = readw(dev->mmio + ICP_MULTI_INT_STAT) & ICP_MULTI_INT_MASK;

	if (!int_no)

		/*  No, exit */

		return IRQ_NONE;



	/*  Determine which interrupt is active & handle it */

	switch (int_no) {

	case ICP_MULTI_INT_ADC_RDY:

		break;

	case ICP_MULTI_INT_DAC_RDY:

		break;

	case ICP_MULTI_INT_DOUT_ERR:

		break;

	case ICP_MULTI_INT_DIN_STAT:

		break;

	case ICP_MULTI_INT_CIE0:

		break;

	case ICP_MULTI_INT_CIE1:

		break;

	case ICP_MULTI_INT_CIE2:

		break;

	case ICP_MULTI_INT_CIE3:

		break;

	default:

		break;

	}



	return IRQ_HANDLED;

}



#if 0

static int check_channel_list(struct comedi_device *dev,

			      struct comedi_subdevice *s,
@@ -414,13 +377,6 @@ static int icp_multi_auto_attach(struct comedi_device *dev, 


	icp_multi_reset(dev);



	if (pcidev->irq) {

		ret = request_irq(pcidev->irq, interrupt_service_icp_multi,

				  IRQF_SHARED, dev->board_name, dev);

		if (ret == 0)

			dev->irq = pcidev->irq;

	}



	s = &dev->subdevices[0];

	dev->read_subdev = s;

	s->type = COMEDI_SUBD_AI;

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