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staging: comedi: rtd520: remove RtdDio0Read macro 

This macro uses the 'devpriv' macro which relies on a local variable
having a specific name. Plus it's just a wrapper around a simple
'readw'. Remove the macro.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2012-07-10 17:04:58 -07:00 committed by Greg Kroah-Hartman
parent db1701246d
commit 2b6e6b8042
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/comedi/drivers/rtd520.c
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@ -407,8 +407,6 @@ struct rtdPrivate {
/* Macros to access registers */
/* Digital IO */
#define RtdDio0Read(dev) \
(readw(devpriv->las0+LAS0_DIO0) & 0xff)
#define RtdDio0Write(dev, v) \
writew((v) & 0xff, devpriv->las0+LAS0_DIO0)
@ -1664,7 +1662,7 @@ static int rtd_dio_insn_bits(struct comedi_device *dev,
}
/* on return, data[1] contains the value of the digital
* input lines. */
data[1] = RtdDio0Read(dev);
data[1] = readw(devpriv->las0 + LAS0_DIO0) & 0xff;
/*DPRINTK("rtd520:port_0 wrote: 0x%x read: 0x%x\n", s->state, data[1]); */