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When a USB gadget is configured through configfs with 1 or more f_fs functions, then the logic setting up the gadget configuration has to wait until the user space code (typically separate applications) responsible for those functions have written their descriptors before the gadget can be activated. The f_fs instance already knows if this has been done, so expose it through a "ready" attribute in configfs for easier synchronization. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Link: https://lore.kernel.org/r/20240126203208.2482573-1-peter@korsgaard.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 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.