Interrupts are not enabled, or used, in this driver. Remove the
{request,free}_irq() as well as the dummy interrupt function.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/rti800.c | 19 +------------------
1 file changed, 1 insertion(+), 18 deletions(-)
diff --git a/drivers/staging/comedi/drivers/rti800.c b/drivers/staging/comedi/drivers/rti800.c
index eac727e..fdd248e 100644
--- a/drivers/staging/comedi/drivers/rti800.c
+++ b/drivers/staging/comedi/drivers/rti800.c
@@ -30,7 +30,7 @@ Devices: [Analog Devices] RTI-800 (rti800), RTI-815 (rti815)
Configuration options:
[0] - I/O port base address
- [1] - IRQ
+ [1] - IRQ (not supported / unused)
[2] - A/D reference
0 = differential
1 = pseudodifferential (common)
@@ -161,11 +161,6 @@ struct rti800_private {
#define RTI800_TIMEOUT 100
-static irqreturn_t rti800_interrupt(int irq, void *dev)
-{
- return IRQ_HANDLED;
-}
-
/* settling delay times in usec for different gains */
static const int gaindelay[] = { 10, 20, 40, 80 };
@@ -303,7 +298,6 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
const struct rti800_board *board = comedi_board(dev);
struct rti800_private *devpriv;
- unsigned int irq;
unsigned long iobase;
int ret;
struct comedi_subdevice *s;
@@ -317,15 +311,6 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
inb(dev->iobase + RTI800_ADCHI);
outb(0, dev->iobase + RTI800_CLRFLAGS);
- irq = it->options[1];
- if (irq) {
- ret = request_irq(irq, rti800_interrupt, 0, dev->board_name,
- dev);
- if (ret < 0)
- return ret;
- dev->irq = irq;
- }
-
ret = comedi_alloc_subdevices(dev, 4);
if (ret)
return ret;
@@ -425,8 +410,6 @@ static void rti800_detach(struct comedi_device *dev)
{
if (dev->iobase)
release_region(dev->iobase, RTI800_SIZE);
- if (dev->irq)
- free_irq(dev->irq, dev);
}
static struct comedi_driver rti800_driver = {
--
1.8.1.4
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