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commitfa27e2f6c5upstream. If we want to send a control status on our own time (through delayed_status), make sure to handle a case where we may queue the delayed status before the host requesting for it (when XferNotReady is generated). Otherwise, the driver won't send anything because it's not EP0_STATUS_PHASE yet. To resolve this, regardless whether dwc->ep0state is EP0_STATUS_PHASE, make sure to clear the dwc->delayed_status flag if dwc3_ep0_send_delayed_status() is called. The control status can be sent when the host requests it later. Cc: <stable@vger.kernel.org> Fixes:d97c78a190("usb: dwc3: gadget: END_TRANSFER before CLEAR_STALL command") Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Signed-off-by: Felipe Balbi <balbi@kernel.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.