The extra mask used to only update the channels configured as outputs is
not necessary in this driver. Remove it and use comedi_dio_update_state()
to handle the boilerplate code to update the subdevice s->state.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/me_daq.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/comedi/drivers/me_daq.c b/drivers/staging/comedi/drivers/me_daq.c
index 00ebf4d..24ec9ef 100644
--- a/drivers/staging/comedi/drivers/me_daq.c
+++ b/drivers/staging/comedi/drivers/me_daq.c
@@ -222,15 +222,11 @@ static int me_dio_insn_bits(struct comedi_device *dev,
struct me_private_data *dev_private = dev->private;
void __iomem *mmio_porta = dev_private->me_regbase + ME_DIO_PORT_A;
void __iomem *mmio_portb = dev_private->me_regbase + ME_DIO_PORT_B;
- unsigned int mask = data[0];
- unsigned int bits = data[1];
+ unsigned int mask;
unsigned int val;
- mask &= s->io_bits; /* only update the COMEDI_OUTPUT channels */
+ mask = comedi_dio_update_state(s, data);
if (mask) {
- s->state &= ~mask;
- s->state |= (bits & mask);
-
if (mask & 0x0000ffff)
writew((s->state & 0xffff), mmio_porta);
if (mask & 0xffff0000)
--
1.8.3.2
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
