The 'this_board' macro depends on having a local variable with
a magic name. The CodingStyle document suggests not doing this
to avoid confusion. Remove the macro and use the comedi_board()
inline helper to get the dev->board_ptr information.
Signed-off-by: H Hartley Sweeten <[email protected]>
Cc: Ian Abbott <[email protected]>
Cc: Mori Hess <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
---
diff --git a/drivers/staging/comedi/drivers/acl7225b.c b/drivers/staging/comedi/drivers/acl7225b.c
index 4e4fc41..c1963ad 100644
--- a/drivers/staging/comedi/drivers/acl7225b.c
+++ b/drivers/staging/comedi/drivers/acl7225b.c
@@ -27,8 +27,6 @@ struct boardtype {
int io_range; /* len of I/O space */
};
-#define this_board ((const struct boardtype *)dev->board_ptr)
-
static int acl7225b_do_insn(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
@@ -67,19 +65,20 @@ static int acl7225b_di_insn(struct comedi_device *dev,
static int acl7225b_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
+ const struct boardtype *board = comedi_board(dev);
struct comedi_subdevice *s;
int iobase, iorange;
iobase = it->options[0];
- iorange = this_board->io_range;
+ iorange = board->io_range;
printk(KERN_INFO "comedi%d: acl7225b: board=%s 0x%04x\n", dev->minor,
- this_board->name, iobase);
+ board->name, iobase);
if (!request_region(iobase, iorange, "acl7225b")) {
printk(KERN_ERR "comedi%d: request_region failed - I/O port conflict\n",
dev->minor);
return -EIO;
}
- dev->board_name = this_board->name;
+ dev->board_name = board->name;
dev->iobase = iobase;
dev->irq = 0;
@@ -121,8 +120,10 @@ static int acl7225b_attach(struct comedi_device *dev,
static void acl7225b_detach(struct comedi_device *dev)
{
+ const struct boardtype *board = comedi_board(dev);
+
if (dev->iobase)
- release_region(dev->iobase, this_board->io_range);
+ release_region(dev->iobase, board->io_range);
}
static const struct boardtype boardtypes[] = {