sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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iicbus: Remove unused devclass arguments to DRIVER_MODULE.

icee: allow configuration via hints on FDT-based systems

On-board devices should be configured via the FDT and overlays.
Hints are primarily useful for external and temporarily attached devices.
Add

icee: allow configuration via hints on FDT-based systems

On-board devices should be configured via the FDT and overlays.
Hints are primarily useful for external and temporarily attached devices.
Adding hints is much easier and faster than writing and compiling
an overlay.

MFC after: 2 weeks

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Don't do the busy dance in icee_open/close

We don't need to do the busy dance for this driver. It's handled by
destroy_dev() entirely. Since all we did was busy/unbusy in
open/close, just delete the

Don't do the busy dance in icee_open/close

We don't need to do the busy dance for this driver. It's handled by
destroy_dev() entirely. Since all we did was busy/unbusy in
open/close, just delete them. We therefore don't need to track closes
either.

Reviewed by: ian@
Differential Revision: https://reviews.freebsd.org/D26431

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Regularize my copyright notice

o Remove All Rights Reserved from my notices
o imp@FreeBSD.org everywhere
o regularize punctiation, eliminate date ranges
o Make sure that it's clear that I don't clai

Regularize my copyright notice

o Remove All Rights Reserved from my notices
o imp@FreeBSD.org everywhere
o regularize punctiation, eliminate date ranges
o Make sure that it's clear that I don't claim All Rights reserved by listing
All Rights Reserved on same line as other copyright holders (but not
me). Other such holders are also listed last where it's clear.

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MFHead @348740

Sponsored by: The FreeBSD Foundation

Rename IICBUS_FDT_PNPINFO -> IICBUS_FDT_PNP_INFO because all the other
existing pnpinfo-related macros right now use PNP_INFO, not PNPINFO.

Add pnpinfo for icee(4) on fdt systems.

Merge ^/head r337646 through r338014.

Export the eeprom device size via readonly sysctl. Also export the write
page size and address size, although they are likely to be inherently
less-interesting values outside of the driver.

Use M. Warner Losh everywhere on my copyrights.
Remove 'All Rights Reserved' where I can.

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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Merge ^/head r323559 through r325504.

MFhead@r320180

Give icee(4) a detach() method so it can be used as a module. Add a
module makefile for it.

MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Catch up with head (r291075).

Merge from head

Merge from head

Sponsored by: Gandi.net

Add FDT compatibility to the icee driver.

The FDT bindings for eeprom parts don't include any metadata about the
device other than the part name encoded in the compatible property.
Instead, a driver

Add FDT compatibility to the icee driver.

The FDT bindings for eeprom parts don't include any metadata about the
device other than the part name encoded in the compatible property.
Instead, a driver is required to have a compiled-in table of information
about the various parts (page size, device capacity, addressing scheme). So
much for FDT being an abstract description of hardware characteristics, huh?

In addition to the FDT-specific changes, this also switches to using the
newer iicbus_transfer_excl() mechanism which holds bus ownership for the
duration of the transfer. Previously this code held the bus across all
the transfers needed to complete the user's IO request, which could be
up to 128KB of data which might occupy the bus for 10-20 seconds. Now the
bus will be released and re-aquired between every page-sized (8-256 byte)
transfer, making this driver a much nicer citizen on the i2c bus.

The hint-based configuration mechanism is still in place for non-FDT systems.

Michal Meloun contributed some of the code for these changes.

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Merge from head

Sync up with head up to r289211.

Merge from head

Replace a local sx lock that allowed only one client at a time to access
an eeprom device with iicbus_request/release_bus(), which achieves the
same effect and also keeps other i2c slave drivers from

Replace a local sx lock that allowed only one client at a time to access
an eeprom device with iicbus_request/release_bus(), which achieves the
same effect and also keeps other i2c slave drivers from clashing on the bus.

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