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784ad808ae
Currently during system reboot, SMMU disables its translations while devices like USB may still be actively using DMA buffers. This can lead to NOC errors and system crashes due to invalid memory access. Address this by adding a shutdown callback to dwc3-qcom, which ensures proper teardown of UDC stack and prevents DWC3 controller from accessing memory after SMMU translation is disabled. Reuse the existing remove callback for this purpose. Signed-off-by: Prashanth K <prashanth.k@oss.qualcomm.com> Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> Link: https://lore.kernel.org/r/20250725062158.2418961-1-prashanth.k@oss.qualcomm.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 reStructuredText 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.