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@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/icp_multi.c | 44 ------------------------------
1 file changed, 44 deletions(-)
diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c
index d3c37d5..b37ed42 100644
--- a/drivers/staging/comedi/drivers/icp_multi.c
+++ b/drivers/staging/comedi/drivers/icp_multi.c
@@ -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;
--
2.5.1
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