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Merge ACPI device object management changes for v5.20-rc1. - Use the facilities provided by the driver core and some additional helpers to handle the children of a given ACPI device object in multiple places instead of using the children and node list heads in struct acpi_device which is error prone (Rafael Wysocki). - Fix ACPI-related device reference counting issue in the hisi_lpc bus driver (Yang Yingliang). - Drop the children and node list heads that are not needed any more from struct acpi_device (Rafael Wysocki). - Drop driver member from struct acpi_device (Uwe Kleine-König). - Drop redundant check from acpi_device_remove() (Uwe Kleine-König). * acpi-bus: ACPI: bus: Drop unused list heads from struct acpi_device hisi_lpc: Use acpi_dev_for_each_child() bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe() ACPI: bus: Drop driver member of struct acpi_device ACPI: bus: Drop redundant check in acpi_device_remove() mfd: core: Use acpi_dev_for_each_child() ACPI / MMC: PM: Unify fixing up device power soundwire: Use acpi_dev_for_each_child() platform/x86/thinkpad_acpi: Use acpi_dev_for_each_child() ACPI: scan: Walk ACPI device's children using driver core ACPI: bus: Introduce acpi_dev_for_each_child_reverse() ACPI: video: Use acpi_dev_for_each_child() ACPI: bus: Export acpi_dev_for_each_child() to modules ACPI: property: Use acpi_dev_for_each_child() for child lookup ACPI: container: Use acpi_dev_for_each_child() USB: ACPI: Replace usb_acpi_find_port() with acpi_find_child_by_adr() thunderbolt: ACPI: Replace tb_acpi_find_port() with acpi_find_child_by_adr() ACPI: glue: Introduce acpi_find_child_by_adr() ACPI: glue: Introduce acpi_dev_has_children() ACPI: glue: Use acpi_dev_for_each_child()
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.