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staging: comedi: remove thisboard macro in the ssv_dnp driver

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The 'thisboard' 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 <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten
2012-05-22 18:08:36 -07:00
committed by Greg Kroah-Hartman
parent 42caa910f2
commit ad401db668
1 changed files with 2 additions and 11 deletions
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13
drivers/staging/comedi/drivers/ssv_dnp.c
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@@ -59,9 +59,6 @@ struct dnp_board {
int have_dio;
};
/* Useful for shorthand access to the particular board structure ----------- */
#define thisboard ((const struct dnp_board *)dev->board_ptr)
/* This structure is for data unique to the DNP driver --------------------- */
struct dnp_private_data {
@@ -188,18 +185,12 @@ static int dnp_dio_insn_config(struct comedi_device *dev,
static int dnp_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
const struct dnp_board *board = comedi_board(dev);
struct comedi_subdevice *s;
printk(KERN_INFO "comedi%d: dnp: ", dev->minor);
/* Autoprobing: this should find out which board we have. Currently */
/* only the 1486 board is supported and autoprobing is not */
/* implemented :-) */
/* dev->board_ptr = dnp_probe(dev); */
/* Initialize the name of the board. */
/* We can use the "thisboard" macro now. */
dev->board_name = thisboard->name;
dev->board_name = board->name;
/* Allocate the private structure area. alloc_private() is a */
/* convenient macro defined in comedidev.h. */