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| author |   H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-10-07 14:52:41 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-12 22:56:42 -0700 |
| commit | dd61ceddfe31da38c564a587f26164c33962a5cb (patch) | |
| tree | c123c22abd3aecd86cd1c88c3830abe49c0b2e77 /drivers/staging/comedi/drivers/icp_multi.c | |
| parent | staging: comedi: icp_multi: absorb setup_channel_list() (diff) | |
| download | linux-dev-dd61ceddfe31da38c564a587f26164c33962a5cb.tar.xz linux-dev-dd61ceddfe31da38c564a587f26164c33962a5cb.zip | |
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: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/comedi/drivers/icp_multi.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/icp_multi.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/drivers/staging/comedi/drivers/icp_multi.c b/drivers/staging/comedi/drivers/icp_multi.c index d3c37d581ce1..b37ed42db75b 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; |