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commit4c4e162d9cupstream. Patch puts content of cdnsp_gadget_pullup function inside spin_lock_irqsave and spin_lock_restore section. This construction is required here to keep the data consistency, otherwise some data can be changed e.g. from interrupt context. Fixes:3d82904559("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Reported-by: Ken (Jian) He <jianhe@ambarella.com> cc: <stable@vger.kernel.org> Signed-off-by: Pawel Laszczak <pawell@cadence.com> Reviewed-by: Peter Chen <peter.chen@kernel.org> Link: https://lore.kernel.org/r/20211214045527.26823-1-pawell@gli-login.cadence.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.