The 8255 driver (*io) callback now includes the comedi_device pointer.
Using this we can get the ioremap'ed base address.
Instead of passing the (cast) mmio address to subdev_8255_init(), pass
the 'iobase' of the 8255 registers (dioP2ExpansionIO8Bit).
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Reviewed-by: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/daqboard2000.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/comedi/drivers/daqboard2000.c
b/drivers/staging/comedi/drivers/daqboard2000.c
index d728fbd..90fbb25 100644
--- a/drivers/staging/comedi/drivers/daqboard2000.c
+++ b/drivers/staging/comedi/drivers/daqboard2000.c
@@ -653,15 +653,13 @@ static void daqboard2000_initializeDac(struct
comedi_device *dev)
static int daqboard2000_8255_cb(struct comedi_device *dev,
int dir, int port, int data,
- unsigned long ioaddr)
+ unsigned long iobase)
{
- void __iomem *mmio_base = (void __iomem *)ioaddr;
-
if (dir) {
- writew(data, mmio_base + port * 2);
+ writew(data, dev->mmio + iobase + port * 2);
return 0;
}
- return readw(mmio_base + port * 2);
+ return readw(dev->mmio + iobase + port * 2);
}
static const void *daqboard2000_find_boardinfo(struct comedi_device *dev,
@@ -745,7 +743,7 @@ static int daqboard2000_auto_attach(struct comedi_device
*dev,
s = &dev->subdevices[2];
result = subdev_8255_init(dev, s, daqboard2000_8255_cb,
- (unsigned long)(dev->mmio + dioP2ExpansionIO8Bit));
+ dioP2ExpansionIO8Bit);
if (result)
return result;
--
2.0.3
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