uts(4): Use config_detach_children.

uhidev(9): Make uhidev state opaque.

This makes the API simpler and clearer and gives us more latitude to
fix bugs in the state management without breaking the ABI.

XXX kernel ABI change to signatu

uhidev(9): Make uhidev state opaque.

This makes the API simpler and clearer and gives us more latitude to
fix bugs in the state management without breaking the ABI.

XXX kernel ABI change to signature of uhidev_get_report_desc and
uhidev_open, and to struct uhidev_attach_arg, requires bump for
uhidev driver modules

show more ...

Merge thorpej-cfargs2.

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 a

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?).

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revert the 0x% -> %# change for fixed width formats pointed out by uwe.

PR/55068: sc.dying: Fix printf formats:
- no %s/%p for kernel log
- 0x% -> %#
- always %j for kernel log

remove explicit 'extern struct cfdriver <my>_cd;' and use ioconf.h

Add extra newline for normal message from uts(4)

Factor out bus-independant HID code so that it can be shared by USB, bluetooth
and i2c.
dev/usb/ukbdmap.c is renamed to dev/hid/hidkbdmap.c
dev/usb/hid.[ch] moved to dev/hid/
usage pages moved from d

Factor out bus-independant HID code so that it can be shared by USB, bluetooth
and i2c.
dev/usb/ukbdmap.c is renamed to dev/hid/hidkbdmap.c
dev/usb/hid.[ch] moved to dev/hid/
usage pages moved from dev/usb/usbhid.h moved to dev/hid/hid.h,
and updated with OpenBSD entries.
bus-independant code moved from dev/usb/ums.c to dev/hid/hidms.c
(the same should be done for keyboard and touchpad drivers)

Needed for the upcoming HID over I2C support, proposed on tech-kern@
on Dec, 1.

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fix tpyo

add bug workaround for ELAN touchscreens

Pull in opt_usb.h in _KERNEL_OPT case for various *_DEBUG options.
Makes various driver-specific debugging options work again.

XXX more to fix in dev/usb

Merge nick-nhusb

- API / infrastructure changes to support memory management changes.
- Memory management improvements and bug fixes.
- HCDs should now be MP safe
- conversion to KERNHIST based debu

Merge nick-nhusb

- API / infrastructure changes to support memory management changes.
- Memory management improvements and bug fixes.
- HCDs should now be MP safe
- conversion to KERNHIST based debug
- FS/LS isoc support on ehci(4).
- conversion to kmem(9)
- Some USB 3 support - mostly from Takahiro HAYASHI (t-hash).
- interrupt transfers now get proper DMA operations
- general bug fixes
- kern/48308
- uhub status notification improvements
- umass(4) probe fix (applied to HEAD already)
- ohci(4) short transfer fix

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fix debug variables.
- include opt_usb.h in usb.h so that USB_DEBUG gets set properly in it.
- normalize and sort debugging variables

- need opt_usb.h if depending on USB_DEBUG
- remove trailing whitespace
- add missing KERNEL_RCSID

PR/45850: Pierre Pronchery: USB multi-touch panels are not supported