diff options
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_labpc.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index ef9a206068fd..94de40b273de 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -1393,8 +1393,7 @@ static int labpc_ao_insn_read(struct comedi_device *dev, return 1; } -static int labpc_dio_mem_callback(int dir, int port, int data, - unsigned long iobase) +static int labpc_8255_mmio(int dir, int port, int data, unsigned long iobase) { if (dir) { writeb(data, (void __iomem *)(iobase + port)); @@ -1802,13 +1801,11 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase, /* 8255 dio */ s = &dev->subdevices[2]; - /* if board uses io memory we have to give a custom callback - * function to the 8255 driver */ - if (board->has_mmio) - subdev_8255_init(dev, s, labpc_dio_mem_callback, - (unsigned long)(dev->iobase + DIO_BASE_REG)); - else - subdev_8255_init(dev, s, NULL, dev->iobase + DIO_BASE_REG); + ret = subdev_8255_init(dev, s, + (board->has_mmio) ? labpc_8255_mmio : NULL, + dev->iobase + DIO_BASE_REG); + if (ret) + return ret; /* calibration subdevices for boards that have one */ s = &dev->subdevices[3]; |
