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6fc250887c
Evaluate _DEP before calling acpi_add_single_object() from acpi_bus_check_add() and do that only for ACPI_BUS_TYPE_DEVICE objects. While at it, rename acpi_device_dep_initialize() to acpi_scan_check_dep(), fix up a memory allocation statement in that function, consistently treat memory allocation failures in there as intermittent errors and make some related janitorial changes in it. This change will help to avoid calling acpi_add_single_object() if there are unmet _DEP dependencies in the future, as that may cause some control methods, potentially depending on the presence of operation regions supplied by other devices, to be evaluated prematurely. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Tested-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
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.