CVS log for src/sys/dev/spi/oj6sh.c

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Pass the device_t into spi_configure(), and make the API contract that
spi_configure() will print errors if they occur; the driver is off the
hook.

Probe / match routines should not have side-effects: do the spi_configure()
calls in the attach routines.

Port over the changes from thorpej-i2c-spi-conf to thorpej-i2c-spi-conf2,
which is based on a newer HEAD revision.

Merge thorpej-cfargs2.

Adapt to CFARGS().

match/probe routines should not have side-effects; call spi_configure()
from the attach routine.

Merge thorpej-cfargs branch:

Simplify and make extensible the config_search() / config_found() /
config_attach() interfaces: rather than having different variants for
which arguments you want pass along, just have a single call that
takes a variadic list of tag-value arguments.

Adjust all call sites:
- Simplify wherever possible; don't pass along arguments that aren't
  actually needed.
- Don't be explicit about what interface attribute is attaching if
  the device only has one.  (More simplification.)
- Add a config_probe() function to be used in indirect configuiration
  situations, making is visibly easier to see when indirect config is
  in play, and allowing for future change in semantics.  (As of now,
  this is just a wrapper around config_match(), but that is an
  implementation detail.)

Remove unnecessary or redundant interface attributes where they're not
needed.

There are currently 5 "cfargs" defined:
- CFARG_SUBMATCH (submatch function for direct config)
- CFARG_SEARCH (search function for indirect config)
- CFARG_IATTR (interface attribte)
- CFARG_LOCATORS (locators array)
- CFARG_DEVHANDLE (devhandle_t - wraps OFW, ACPI, etc. handles)

...and a sentinel value CFARG_EOL.

Add some extra sanity checking to ensure that interface attributes
aren't ambiguous.

Use CFARG_DEVHANDLE in MI FDT, OFW, and ACPI code, and macppc and shark
ports to associate those device handles with device_t instance.  This
will trickle trough to more places over time (need back-end for pre-OFW
Sun OBP; any others?).

Sync with HEAD.

Give config_found() the same variadic arguments treatment as
config_search().  This commit only adds the CFARG_EOL sentinel
to the existing config_found() calls.  Conversion of config_found_sm_loc()
and config_found_ia() call sites will be in subsequent commits.

Use DEVICE_COMPAT_EOL.

Use designated initializers and a consistent termination style in
compat_data[].

Mostly merge changes from HEAD upto 20200411

Make this at least compile - I have no way to test.

Fix typo.

Avoid workqueue_check_duplication().

update from HEAD

Sync with HEAD (as of 26th Dec)

use workqueue(9)

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

sync with head

file oj6sh.c was added on branch tls-maxphys on 2014-08-20 00:03:50 +0000

file oj6sh.c was added on branch yamt-pagecache on 2014-05-22 11:40:36 +0000

file oj6sh.c was added on branch rmind-smpnet on 2014-05-18 17:45:47 +0000

Add optical joystick support for NetWalker.
+ OJ6SH-T25 (Sharp "Optical TOUCH CRUISER" sensor)
+ 2 Mouse buttons (GPIO)