All the comedi drivers that use memory mapped io currently have a
void __iomem * member in their private data for the driver. For
some of the drivers this is actually the only member in that data.
For convienence, add a new member to the comedi_device for this
void __iomem *.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/comedidev.h | 1 +
drivers/staging/comedi/drivers.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h
index f3999f5..58e58a3 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -253,6 +253,7 @@ struct comedi_device {
struct comedi_subdevice *subdevices;
/* dumb */
+ void __iomem *mmio;
unsigned long iobase;
unsigned long iolen;
unsigned int irq;
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 42ddf13..9ada130 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -121,6 +121,7 @@ static void comedi_device_detach_cleanup(struct comedi_device *dev)
dev->driver = NULL;
dev->board_name = NULL;
dev->board_ptr = NULL;
+ dev->mmio = NULL;
dev->iobase = 0;
dev->iolen = 0;
dev->ioenabled = false;
--
2.0.3
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