[PATCH 02/15] staging: comedi: 8255: use pointer to dev->subdevices

From: H Hartley Sweeten
Date: Wed Jun 13 2012 - 18:41:37 EST


Instead of accessing the dev->subdevices directly as an array,
use a pointer. This method is more common in the comedi subsystem.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Frank Mori Hess <fmhess@xxxxxxxxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/8255.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/comedi/drivers/8255.c b/drivers/staging/comedi/drivers/8255.c
index b608a05..23b9acc 100644
--- a/drivers/staging/comedi/drivers/8255.c
+++ b/drivers/staging/comedi/drivers/8255.c
@@ -371,6 +371,7 @@ EXPORT_SYMBOL(subdev_8255_cleanup);
static int dev_8255_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
+ struct comedi_subdevice *s;
int ret;
unsigned long iobase;
int i;
@@ -392,16 +393,16 @@ static int dev_8255_attach(struct comedi_device *dev,
return ret;

for (i = 0; i < dev->n_subdevices; i++) {
+ s = dev->subdevices + i;
iobase = it->options[i];

if (!request_region(iobase, _8255_SIZE, "8255")) {
dev_warn(dev->class_dev,
"0x%04lx (I/O port conflict)\n", iobase);

- dev->subdevices[i].type = COMEDI_SUBD_UNUSED;
+ s->type = COMEDI_SUBD_UNUSED;
} else {
- subdev_8255_init(dev, dev->subdevices + i, NULL,
- iobase);
+ subdev_8255_init(dev, s, NULL, iobase);
dev_info(dev->class_dev, "0x%04lx\n", iobase);
}
}
--
1.7.7

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