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[ Upstream commit 89d7f962994604a3e3d480832788d06179abefc5 ] On some SoC's like SA8295P where the tertiary controller is host-only capable, GEVTADDRHI/LO, GEVTSIZ, GEVTCOUNT registers are not accessible. Trying to access them leads to a crash. For DRD/Peripheral supported controllers, event buffer setup is done again in gadget_pullup. Skip setup or cleanup of event buffers if controller is host-only capable. Suggested-by: Johan Hovold <johan@kernel.org> Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Reviewed-by: Johan Hovold <johan+linaro@kernel.org> Reviewed-by: Bjorn Andersson <andersson@kernel.org> Tested-by: Johan Hovold <johan+linaro@kernel.org> Link: https://lore.kernel.org/r/20240420044901.884098-4-quic_kriskura@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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.