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ec20260950
commitecaa490243upstream. Previously the quirk was skipped when no iommu was present. The same rationale for skipping the quirk also applies in the iommu.passthrough=1 case. Skip applying the XHCI_ZERO_64B_REGS quirk if the device's iommu domain is passthrough. Fixes:12de0a35c9("xhci: Add quirk to zero 64bit registers on Renesas PCIe controllers") Cc: stable <stable@kernel.org> Signed-off-by: D Scott Phillips <scott@os.amperecomputing.com> Acked-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20230330143056.1390020-2-mathias.nyman@linux.intel.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.