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commita1383b3537upstream. usb_gadget_deactivate/usb_gadget_activate does not execute the UDC start operation, which may leave EP0 disabled and event IRQs disabled when re-activating the function. Move the enabling/disabling of USB EP0 and device event IRQs to be performed in the pullup routine. Fixes:ae7e86108b("usb: dwc3: Stop active transfers before halting the controller") Tested-by: Michael Tretter <m.tretter@pengutronix.de> Cc: stable <stable@vger.kernel.org> Reported-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Wesley Cheng <wcheng@codeaurora.org> Link: https://lore.kernel.org/r/1609282837-21666-1-git-send-email-wcheng@codeaurora.org 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.