Use bus_generic_detach instead of device_delete_children in detach

While here, check for errors from bus_generic_detach and move it to
the start of detach if necessary.

Differential Revision: https

Use bus_generic_detach instead of device_delete_children in detach

While here, check for errors from bus_generic_detach and move it to
the start of detach if necessary.

Differential Revision: https://reviews.freebsd.org/D47969

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newbus: globally replace device_add_child(..., -1) with DEVICE_UNIT_ANY

Sponsored by: Netflix

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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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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usb: Remove unused devclass arguments to DRIVER_MODULE.

ehci_imx: Remove unused variable.

arm: Fix duplicate ehci DRIVER_MODULE

Name each ehci driver uniquely.
This remove the warning printed at each arm boot :
module_register: cannot register simplebus/ehci from kernel; already loaded f

arm: Fix duplicate ehci DRIVER_MODULE

Name each ehci driver uniquely.
This remove the warning printed at each arm boot :
module_register: cannot register simplebus/ehci from kernel; already loaded from kernel

A similar fix was done in r333074 but imx_ehci wasn't renamed and generic_ehci wasn't
present at that time.

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Detach all children before beginning to tear down the hardware, instead of
doing it last. Also, remove the local tracking of whether usb's busdma
memory allocation got done, because it's safe to cal

Detach all children before beginning to tear down the hardware, instead of
doing it last. Also, remove the local tracking of whether usb's busdma
memory allocation got done, because it's safe to call the free_all
function even if it wasn't.

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Do not try to deallocate memory that wasn't allocated (you'd think that
would be safe, but the function also tries to destroy mutexes that never
got created).

I guess this can only happen when imx_e

Do not try to deallocate memory that wasn't allocated (you'd think that
would be safe, but the function also tries to destroy mutexes that never
got created).

I guess this can only happen when imx_ehci_detach() is called on the
error-exit path from imx_ehci_attach(), and that path never got exercised
before today.

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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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MFhead@r320180

Merge ^/head r319973 through 321382.

Merge ^/head r320573 through r320970.

Put an #ifdef notyet wrapper around a function that's not being used yet,
to avoid compile warnings.

Support the "disable-over-current" property for imx ehci controllers.

It turns out that this is more than a power optization. The OTG port
won't work on boards that have this property unless this s

Support the "disable-over-current" property for imx ehci controllers.

It turns out that this is more than a power optization. The OTG port
won't work on boards that have this property unless this setting is honored.

Also ensure that the usb phy device attaches before ehci.

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Merge ^/head r313644 through r313895.

Enable usb low and full speed devices connected to the imx6 root hubs.

This enables the PHY circuitry for UTMI+ level 2 and 3, and sets the
flag to tell the ehci code that the root hub has a transac

Enable usb low and full speed devices connected to the imx6 root hubs.

This enables the PHY circuitry for UTMI+ level 2 and 3, and sets the
flag to tell the ehci code that the root hub has a transaction translator
in it. For imx6 we can use the standard ehci_get_port_speed_portsc()
function to find out what speed device is connected to the port.

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Merge ^/head r311812 through r311939.

Use the post-reset hook to force the controller to host mode. This will
make both usb ports work on imx6 systems (the OTG port of course will only
work in host mode).

MFH

Sponsored by: The FreeBSD Foundation

ehci_interrupt is MPSAFE code. Most drivers in tree calls bus_setup_intr
with MPSAFE, some are not. Fix those.

Submitted by: Howard Su <howard0su@gmail.com>
Differential Revision: https://reviews.fr

ehci_interrupt is MPSAFE code. Most drivers in tree calls bus_setup_intr
with MPSAFE, some are not. Fix those.

Submitted by: Howard Su <howard0su@gmail.com>
Differential Revision: https://reviews.freebsd.org/D5755

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Merge sync of head

MFhead @ r277403

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation