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staging: comedi: rtd520: remove RtdDioStatusWrite 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
'writew'. 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 17:07:23 -07:00 committed by Greg Kroah-Hartman
parent add1b4788e
commit 0bd1164637
1 changed files with 6 additions and 6 deletions
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12
drivers/staging/comedi/drivers/rtd520.c
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@ -406,9 +406,6 @@ struct rtdPrivate {
/* Macros to access registers */
#define RtdDioStatusWrite(dev, v) \
writew((devpriv->dioStatus = (v)), devpriv->las0+LAS0_DIO_STATUS)
#define RtdDio0CtrlRead(dev) \
(readw(devpriv->las0+LAS0_DIO0_CTRL) & 0xff)
#define RtdDio0CtrlWrite(dev, v) \
@ -1689,9 +1686,11 @@ static int rtd_dio_insn_config(struct comedi_device *dev,
DPRINTK("rtd520: port_0_direction=0x%x (1 means out)\n", s->io_bits);
/* TODO support digital match interrupts and strobes */
RtdDioStatusWrite(dev, 0x01); /* make Dio0Ctrl point to direction */
devpriv->dioStatus = 0x01; /* set direction */
writew(devpriv->dioStatus, devpriv->las0 + LAS0_DIO_STATUS);
RtdDio0CtrlWrite(dev, s->io_bits); /* set direction 1 means Out */
RtdDioStatusWrite(dev, 0); /* make Dio0Ctrl clear interrupts */
devpriv->dioStatus = 0x00; /* clear interrupts */
writew(devpriv->dioStatus, devpriv->las0 + LAS0_DIO_STATUS);
/* port1 can only be all input or all output */
@ -1893,7 +1892,8 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
RtdDacClearFifo(dev, 0);
RtdDacClearFifo(dev, 1);
/* clear digital IO fifo */
RtdDioStatusWrite(dev, 0); /* safe state, set shadow */
devpriv->dioStatus = 0;
writew(devpriv->dioStatus, devpriv->las0 + LAS0_DIO_STATUS);
devpriv->utcCtrl[0] = (0 << 6) | 0x30;
devpriv->utcCtrl[1] = (1 << 6) | 0x30;
devpriv->utcCtrl[2] = (2 << 6) | 0x30;