2012-08-17 02:50:56

by Hartley Sweeten

[permalink] [raw]
Subject: [PATCH 23/35] staging: comedi: cb_pcimdda: remove dio_chans from the private data

The cards supported by this driver always have 8255 compatible
device. Remove the dio_chans variable from the private data and
always initialize the 8255 subdevice.

Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
drivers/staging/comedi/drivers/cb_pcimdda.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index f658cff..bf98af4 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -101,7 +101,6 @@ struct cb_pcimdda_board {
unsigned short device_id;
int ao_chans;
int ao_bits;
- int dio_chans;
/* how many bytes into the BADR are the DIO ports */
int dio_offset;
int regs_badrindex; /* IO Region for the control, analog output,
@@ -115,7 +114,6 @@ static const struct cb_pcimdda_board cb_pcimdda_boards[] = {
.device_id = PCI_ID_PCIM_DDA06_16,
.ao_chans = 6,
.ao_bits = 16,
- .dio_chans = 24,
.dio_offset = 12,
.regs_badrindex = 3,
.reg_sz = 16,
@@ -274,15 +272,11 @@ static int cb_pcimdda_attach(struct comedi_device *dev,

s = dev->subdevices + 1;
/* digital i/o subdevice */
- if (thisboard->dio_chans) {
- 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;
- }
+ ret = subdev_8255_init(dev, s, NULL,
+ dev->iobase + thisboard->dio_offset);
+ if (ret)
+ return ret;
+ devpriv->attached_to_8255 = 1;

dev_info(dev->class_dev, "%s attached\n", dev->board_name);

--
1.7.11