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commit2d0c3fbe43upstream. The Keystone outbound Address Translation Unit (ATU) maps PCI MMIO space in 8 MB windows. When programming the ATU windows, we previously incremented the starting address by 8, not 8 MB, so all the windows were mapped to the first 8 MB. Therefore, only 8 MB of MMIO space was accessible. Update the loop so it increments the starting address by 8 MB, not 8, so more MMIO space is accessible. Fixes:e75043ad97("PCI: keystone: Cleanup outbound window configuration") Link: https://lore.kernel.org/r/20191004154811.GA31397@monakov-y.office.kontur-niirs.ru Signed-off-by: Yurii Monakov <monakov.y@gmail.com> [bhelgaas: commit log] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Andrew Murray <andrew.murray@arm.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Cc: stable@vger.kernel.org # v4.20+ 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.