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staging: comedi: ni_mio_common: convert NI_GPCT_SUBDEV to a macro

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The 'counter_index' is always in range (0 to < NUM_GPCT, which is 2).

For aesthetics, convert this inline function into a macro and remove
the BUG() which can never occur.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2016-04-14 09:57:59 -07:00 committed by Greg Kroah-Hartman
parent 73894987d6
commit 0b235d5ce4
1 changed files with 1 additions and 13 deletions
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14
drivers/staging/comedi/drivers/ni_mio_common.c
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@ -214,19 +214,7 @@ enum ni_common_subdevices {
NI_NUM_SUBDEVICES
};
static inline unsigned int NI_GPCT_SUBDEV(unsigned int counter_index)
{
switch (counter_index) {
case 0:
return NI_GPCT0_SUBDEV;
case 1:
return NI_GPCT1_SUBDEV;
default:
break;
}
BUG();
return NI_GPCT0_SUBDEV;
}
#define NI_GPCT_SUBDEV(x) (NI_GPCT0_SUBDEV + (x))
enum timebase_nanoseconds {
TIMEBASE_1_NS = 50,