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3a3be3a1eb
If memory accesses by the Tegra XUSB controller are translated through the SMMU (System MMU), the hardware may continue accessing memory even after the SMMU translations have been disabled during the shutdown process and this can in turn cause unpredictable crashes. Fix this by adding a shutdown implementation that ensures the hardware is turned off during system reboot or shutdown. Signed-off-by: Henry Lin <henryl@nvidia.com> Signed-off-by: Haotien Hsu <haotienh@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20230727074927.2428611-1-haotienh@nvidia.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 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.