Commit 6daf1e05 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by Greg Kroah-Hartman
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staging: comedi: das_08: remove the 8254 'logic2phys' usage



The three 8254 timers have a 1:1 relationship to the comedi
channels. The 'logic2phys' usage just makes the driver more
complex.
Signed-off-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent cba9d4aa
......@@ -448,7 +448,7 @@ static int das08_counter_read(struct comedi_device *dev,
{
struct das08_private_struct *devpriv = dev->private;
struct i8254_struct *st = &devpriv->i8254;
int chan = st->logic2phys[insn->chanspec];
int chan = insn->chanspec;
data[0] = i8254_read(st->iobase, 0, chan);
return 1;
......@@ -460,7 +460,7 @@ static int das08_counter_write(struct comedi_device *dev,
{
struct das08_private_struct *devpriv = dev->private;
struct i8254_struct *st = &devpriv->i8254;
int chan = st->logic2phys[insn->chanspec];
int chan = insn->chanspec;
i8254_write(st->iobase, 0, chan, data[0]);
return 1;
......@@ -472,7 +472,7 @@ static int das08_counter_config(struct comedi_device *dev,
{
struct das08_private_struct *devpriv = dev->private;
struct i8254_struct *st = &devpriv->i8254;
int chan = st->logic2phys[insn->chanspec];
int chan = insn->chanspec;
if (insn->n != 2)
return -EINVAL;
......@@ -848,9 +848,6 @@ int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
s->insn_config = das08_counter_config;
/* Set-up the 8254 structure */
devpriv->i8254.channels = 3;
devpriv->i8254.logic2phys[0] = 0;
devpriv->i8254.logic2phys[1] = 1;
devpriv->i8254.logic2phys[2] = 2;
devpriv->i8254.iobase = iobase + thisboard->i8254_offset;
i8254_initialize(&devpriv->i8254);
} else {
......
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