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c05ebd0ec9
Introduce a new static function, update_usb_device_state(), to centralize the process of changing a device's state, including the management of active_duration during suspend/resume transitions. This change prepares for adding tracepoints, allowing tracing logic to be added in a single, central location within the new helper function. Signed-off-by: Kuen-Han Tsai <khtsai@google.com> Reviewed-by: Alan Stern <stern@rowland.harvard.edu> Link: https://patch.msgid.link/20251015-usbcore-tracing-v2-1-5a14b5b9d4e0@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 reStructuredText 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.