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staging: comedi: icp_multi: remove interrupt support

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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: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten
2015-10-07 14:52:41 -07:00
committed by Greg Kroah-Hartman
parent f940565502
commit dd61ceddfe
1 changed files with 0 additions and 44 deletions
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44
drivers/staging/comedi/drivers/icp_multi.c
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@@ -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;