sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remov

sys: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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

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

sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

arm64: xilinx: gpio: Add support for ZynqMP SoC

Add support for the gpio controller found in the ZynqMP SoC.
The registers are the same as the Zynq 7000, just the number of
banks/pins per banks diff

arm64: xilinx: gpio: Add support for ZynqMP SoC

Add support for the gpio controller found in the ZynqMP SoC.
The registers are the same as the Zynq 7000, just the number of
banks/pins per banks differs.

Sponsored by: Beckhoff Automation GmbH & Co. KG
MFC after: 2 weeks

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arm: xilinx: gpio: Make the driver more generic

All other Zynq SoCs have the same GPIO controller, the only difference
is the number of banks/pins so make this driver more generic to add
other SoCs

arm: xilinx: gpio: Make the driver more generic

All other Zynq SoCs have the same GPIO controller, the only difference
is the number of banks/pins so make this driver more generic to add
other SoCs more easily.
No functional changes intended.

Sponsored by: Beckhoff Automation GmbH & Co. KG
MFC after: 2 weeks

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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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

arm: clean up empty lines in .c and .h files

Fix accidental USB port resets by GPIO on Zynq/Zedboard boards

The Zynq/Zedboard GPIO driver attempts to tri-state all GPIO pins on
boot up but the order in which I reset the hardware can cause the

Fix accidental USB port resets by GPIO on Zynq/Zedboard boards

The Zynq/Zedboard GPIO driver attempts to tri-state all GPIO pins on
boot up but the order in which I reset the hardware can cause the pins
to be briefly held low before being tri-stated. This is a problem on
boards that use GPIO pins to reset devices.

In particular, the Zybo and ZC-706 boards use a GPIO pin as a USB PHY
reset. If U-boot enables the USB port before booting the kernel, the
GPIO driver attach causes a glitch on the USB PHY reset and the USB
port loses power. My fix is to have the GPIO driver leave the pins in
whatever configuration U-boot placed them.

PR: 225713
Submitted by: Thomas Skibo <thoma555-bsd@yahoo.com>
MFC after: 1 week

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sys/arm: 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/arm: 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 r308491 through r308841.

Stop including fdt_common.h from the arm code when it's unneeded.

Sponsored by: ABT Systems Ltd

Merge sync of head

Merge from HEAD

Merge ^/head r277975 through r277998.

Implement GPIO_GET_BUS() method for all GPIO drivers.

Add helper routines to deal with attach and detach of gpiobus and gpioc
devices that are common to all drivers.

Merge ^/head r277861 through r277895.

Rename the avila, cambria and zynq GPIO driver names to match the expected
string.

With this change it is not necessary redeclare the driver relations with
gpiobus and gpioc.

This also prevents red

Rename the avila, cambria and zynq GPIO driver names to match the expected
string.

With this change it is not necessary redeclare the driver relations with
gpiobus and gpioc.

This also prevents redundant declarations when gpiobusvar.h is included
(which is going to happen soon).

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Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

Merge from head@274682

Sync to HEAD@r274095.

Make the GPIO children attach to the first unit available and not only to
unit 0.

It seems that this 'simplification' was copied to all GPIO drivers in tree.

This fix a bug where a GPIO controller

Make the GPIO children attach to the first unit available and not only to
unit 0.

It seems that this 'simplification' was copied to all GPIO drivers in tree.

This fix a bug where a GPIO controller could fail to attach its children
(gpioc and gpiobus) if another GPIO driver attach first.

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MFC @ r266724

An SVM update will follow this.

Merge head

IFC @264767