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 r309817 through r310168.

Remove a too strict test and instead, just filter the passed flags with the
supported capabilities.

Spotted by: yamori813@yahoo.co.jp (Hiroki Mori)
MFC after: 2 weeks

Merge ^/head r308491 through r308841.

Make gpiobus early driver at BUS_PAS_BUS.

The gpiobus driver is attached explicitly and generally should be
at the same pass as its parent. Making it use BUS_PAS_BUS ensures
that it attaches immedia

Make gpiobus early driver at BUS_PAS_BUS.

The gpiobus driver is attached explicitly and generally should be
at the same pass as its parent. Making it use BUS_PAS_BUS ensures
that it attaches immediately after parent adds it (assuming the
parent itself attached at BUS_PAS_BUS and above).

Submitted by: kan
Sponsored by: DARPA, AFRL

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MFhead @ r304815

Merge ^/head r304236 through r304536.

INTRNG: Rework handling with resources. Partially revert r301453.
- Read interrupt properties at bus enumeration time and store
it into global mapping table.
- At bus_activate_resource() time, g

INTRNG: Rework handling with resources. Partially revert r301453.
- Read interrupt properties at bus enumeration time and store
it into global mapping table.
- At bus_activate_resource() time, given mapping entry is resolved and
connected to real interrupt source. A copy of mapping entry is attached
to given resource.
- At bus_setup_intr() time, mapping entry stored in resource is used
for delivery of requested interrupt configuration.
- For MSI/MSIX interrupts, mapping entry is created within
pci_alloc_msi()/pci_alloc_msix() call.
- For legacy PCI interrupts, mapping entry must be created within
pcib_route_interrupt() by pcib driver itself.

Reviewed by: nwhitehorn, andrew
Differential Revision: https://reviews.freebsd.org/D7493

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INTRNG: As follow up of r301451, implement mapping and configuration
of gpio pin interrupts by new way.

Note: This removes last consumer of intr_ddata machinery and we remove it
in separate commit.

Don't wrap the declaration of gpio_alloc_intr_resource() in #ifdef INTRNG,
wrap the implementation so that it returns an error if INTRNG support is
not available. It should be possible to write a no

Don't wrap the declaration of gpio_alloc_intr_resource() in #ifdef INTRNG,
wrap the implementation so that it returns an error if INTRNG support is
not available. It should be possible to write a non-INTRNG implementation
of this function some day. In the meantime, there is code that contains
calls to this function (so the decl is needed), but have runtime checks to
avoid calling it in the non-INTRNG case.

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Rename gpiobus_map_pin() to gpiobus_acquire_pin(), to better reflect the
fact that the caller is requesting exclusive use of the pin, and also to
better match the inverse operation which is named gpi

Rename gpiobus_map_pin() to gpiobus_acquire_pin(), to better reflect the
fact that the caller is requesting exclusive use of the pin, and also to
better match the inverse operation which is named gpiobus_release_pin().

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Add gpiobus_release_pin function to release mapped pin

Add gpiobus_release_pin as a counterpart for gpiobus_map_pin. Without it
it's impossible to properly release pin so if kernel module is reloade

Add gpiobus_release_pin function to release mapped pin

Add gpiobus_release_pin as a counterpart for gpiobus_map_pin. Without it
it's impossible to properly release pin so if kernel module is reloaded
it can't re-use pins again

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INTRNG: Define 'INTR_IRQ_INVALID' constant and use it consistently
as error indicator.

GPIO: Add support for gpio pin interrupts.
Add new function gpio_alloc_intr_resource(), which allows an allocation
of interrupt resource associated to given gpio pin. It also allows to
specify interr

GPIO: Add support for gpio pin interrupts.
Add new function gpio_alloc_intr_resource(), which allows an allocation
of interrupt resource associated to given gpio pin. It also allows to
specify interrupt configuration.

Note: This functionality is dependent on INTRNG, and must be
implemented in each GPIO controller.

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MFH

Sponsored by: The FreeBSD Foundation

Fix the resource_list_print_type() calls to use uintmax_t.

Missed a bunch from r297000.

MFH

Sponsored by: The FreeBSD Foundation

Merge ^/head r295601 through r295844.

Introduce a RMAN_IS_DEFAULT_RANGE() macro, and use it.

This simplifies checking for default resource range for bus_alloc_resource(),
and improves readability.

This is part of, and related to, the m

Introduce a RMAN_IS_DEFAULT_RANGE() macro, and use it.

This simplifies checking for default resource range for bus_alloc_resource(),
and improves readability.

This is part of, and related to, the migration of rman_res_t from u_long to
uintmax_t.

Discussed with: jhb
Suggested by: marcel

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MfH @r295202

Expect to see panics in routing code at least now.

Merge ^/head r294777 through r294960.

MFH

Sponsored by: The FreeBSD Foundation

Convert rman to use rman_res_t instead of u_long

Summary:
Migrate to using the semi-opaque type rman_res_t to specify rman resources. For
now, this is still compatible with u_long.

This is step on

Convert rman to use rman_res_t instead of u_long

Summary:
Migrate to using the semi-opaque type rman_res_t to specify rman resources. For
now, this is still compatible with u_long.

This is step one in migrating rman to use uintmax_t for resources instead of
u_long.

Going forward, this could feasibly be used to specify architecture-specific
definitions of resource ranges, rather than baking a specific integer type into
the API.

This change has been broken out to facilitate MFC'ing drivers back to 10 without
breaking ABI.

Reviewed By: jhb
Sponsored by: Alex Perez/Inertial Computing
Differential Revision: https://reviews.freebsd.org/D5075

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MFH @r294567

Merge ^/head r293850 through r294089.