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USB devices permanently connected to USB ports may be described in ACPI tables and share ACPI devices with ports they are connected to. See [1] for details. This will allow us to describe sideband resources for devices, such as, for example, hard reset line for BT USB controllers. [1] https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/other-acpi-namespace-objects#acpi-namespace-hierarchy-and-adr-for-embedded-usb-devices Signed-off-by: Dmitry Torokhov <dtor@chromium.org> Signed-off-by: Rajat Jain <rajatja@google.com> (changed how we get the usb_port) Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tested-by: Sukumar Ghorai <sukumar.ghorai@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.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.