The `settling_time_0` member of `struct comedi_subdevice` can be set by
a low-level comedi driver and will be copied to user-space as part of
the information provided by the `COMEDI_SUBDINFO` ioctl.  No comedi
driver has ever set it; it's just been left at its initial value of 0.
Remove it to save a bit of space, and behave as though it is 0.

Signed-off-by: Ian Abbott <abbo...@mev.co.uk>
---
 drivers/staging/comedi/comedi_fops.c | 2 --
 drivers/staging/comedi/comedidev.h   | 2 --
 2 files changed, 4 deletions(-)

diff --git a/drivers/staging/comedi/comedi_fops.c 
b/drivers/staging/comedi/comedi_fops.c
index ff0e46d..3594bd4 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -826,8 +826,6 @@ static int do_subdinfo_ioctl(struct comedi_device *dev,
                        us->insn_bits_support = COMEDI_SUPPORTED;
                else
                        us->insn_bits_support = COMEDI_UNSUPPORTED;
-
-               us->settling_time_0 = s->settling_time_0;
        }
 
        ret = copy_to_user(arg, tmp, dev->n_subdevices * sizeof(*tmp));
diff --git a/drivers/staging/comedi/comedidev.h 
b/drivers/staging/comedi/comedidev.h
index 7fa1341..9a854b1 100644
--- a/drivers/staging/comedi/comedidev.h
+++ b/drivers/staging/comedi/comedidev.h
@@ -57,8 +57,6 @@ struct comedi_subdevice {
        unsigned int maxdata;   /* if maxdata==0, use list */
        const unsigned int *maxdata_list;       /* list is channel specific */
 
-       unsigned int settling_time_0;
-
        const struct comedi_lrange *range_table;
        const struct comedi_lrange *const *range_table_list;
 
-- 
1.8.3.2

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