diff options
| author |   H Hartley Sweeten <hartleys@visionengravers.com> | 2012-07-10 17:07:23 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-15 16:56:36 -0700 |
| commit | 0bd1164637b14fdd2135494c4b2ee752cc6148f8 (patch) | |
| tree | ca6fe3cf07a53392a6024a30b6ef086201c3d1d9 | |
| parent | staging: comedi: rtd520: remove RtdDioStatusRead macro (diff) | |
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>
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index b7e13224f1fb..bcf15aec1d82 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -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; |