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6bc779ee05
Get rid of acpi_pci_osc_support() and check for _OSC supported features directly in acpi_pci_osc_control_set(). There is no point in doing an unconditional _OSC query with control=0 even when the kernel later wants to take control over more features. This saves one _OSC query and simplifies the code by getting rid of the acpi_pci_osc_support() function. As a side effect, the !control checks in acpi_pci_query_osc() can also be removed. Link: https://lore.kernel.org/r/20210824122054.29481-5-joro@8bytes.org Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
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.