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[ Upstream commit8c935deace] When the remote wakeup interrupt is triggered, lx_state is resumed from L2 to L0 state. But when the gadget resume is called, lx_state is still L2. This prevents the resume callback to queue any request. Any attempt to queue a request from resume callback will result in: - "submit request only in active state" debug message to be issued - dwc2_hsotg_ep_queue() returns -EAGAIN Call the gadget resume routine after the core is in L0 state. Fixes:f81f46e1f5("usb: dwc2: implement hibernation during bus suspend/resume") Acked-by: Minas Harutyunyan <hminas@synopsys.com> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.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.