summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorH Hartley Sweeten2012-08-17 04:50:19 +0200
committerGreg Kroah-Hartman2012-08-17 17:17:34 +0200
commite070c6a949c4b7f0ebe73a08ff4df422b0d95216 (patch)
treead474763fdf9542b30c5ebdcf1c7fa8987f2078b
parentstaging: comedi: cb_pcimdda: cleanup the 8255 subdevice init (diff)
downloadkernel-qcow2-linux-e070c6a949c4b7f0ebe73a08ff4df422b0d95216.tar.gz
kernel-qcow2-linux-e070c6a949c4b7f0ebe73a08ff4df422b0d95216.tar.xz
kernel-qcow2-linux-e070c6a949c4b7f0ebe73a08ff4df422b0d95216.zip
staging: comedi: cb_pcimdda: remove the DIO_METHODS
The digital i/o on this card is handled by an 8255 compatible device. There are not other options. Remove the DIO_METHODS enum as well as the dio_method variable in the boardinfo and the code dealing with it. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/comedi/drivers/cb_pcimdda.c27
1 files changed, 5 insertions, 22 deletions
diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index b4d1f8b6136f..f658cff19f40 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -102,7 +102,6 @@ struct cb_pcimdda_board {
int ao_chans;
int ao_bits;
int dio_chans;
- int dio_method;
/* how many bytes into the BADR are the DIO ports */
int dio_offset;
int regs_badrindex; /* IO Region for the control, analog output,
@@ -110,12 +109,6 @@ struct cb_pcimdda_board {
int reg_sz; /* number of bytes of registers in io region */
};
-enum DIO_METHODS {
- DIO_NONE = 0,
- DIO_8255,
- DIO_INTERNAL /* unimplemented */
-};
-
static const struct cb_pcimdda_board cb_pcimdda_boards[] = {
{
.name = "cb_pcimdda06-16",
@@ -123,7 +116,6 @@ static const struct cb_pcimdda_board cb_pcimdda_boards[] = {
.ao_chans = 6,
.ao_bits = 16,
.dio_chans = 24,
- .dio_method = DIO_8255,
.dio_offset = 12,
.regs_badrindex = 3,
.reg_sz = 16,
@@ -283,20 +275,11 @@ static int cb_pcimdda_attach(struct comedi_device *dev,
s = dev->subdevices + 1;
/* digital i/o subdevice */
if (thisboard->dio_chans) {
- switch (thisboard->dio_method) {
- case DIO_8255:
- ret = subdev_8255_init(dev, s, NULL,
- dev->iobase + thisboard->dio_offset);
- if (ret)
- return ret;
- devpriv->attached_to_8255 = 1;
- break;
- case DIO_INTERNAL:
- default:
- printk("DIO_INTERNAL not implemented yet!\n");
- return -ENXIO;
- break;
- }
+ ret = subdev_8255_init(dev, s, NULL,
+ dev->iobase + thisboard->dio_offset);
+ if (ret)
+ return ret;
+ devpriv->attached_to_8255 = 1;
} else {
s->type = COMEDI_SUBD_UNUSED;
}