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Mika Westerberg
50ca031b51
This revertsf154a718e6("PCI: Add ACS quirk for Intel 300 series"). It turns out that erratum "PCH PCIe* Controller Root Port (ACSCTLR) Appear As Read Only" has been fixed in 300 series chipsets, even though the datasheet [1] claims otherwise. To make ACS work properly on 300 series root ports, revert the faulty commit. [1] https://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/300-series-c240-series-chipset-pch-spec-update.pdf Fixes:f154a718e6("PCI: Add ACS quirk for Intel 300 series") Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: stable@vger.kernel.org # v4.18+
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.