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87191ca9f9
This patch adds a udc_async_callbacks handler to the net2272 UDC driver, which will prevent a theoretical race during gadget unbinding. The net2272 driver is sufficiently complicated that I didn't want to mess around with IRQ settings. Instead, the patch simply adds a new flag to control async callbacks, and checks the flag before issuing any of them. Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20210520202206.GF1216852@rowland.harvard.edu 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.