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A mirror of the official Linux kernel repository just in case
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Currently the DW PCIe Root Port and Endpoint CSR spaces are retrieved in the separate parts of the DW PCIe core driver. It doesn't really make sense since the both controller types have identical set of the core CSR regions: DBI, DBI CS2 and iATU/eDMA. Thus we can simplify the DW PCIe Host and EP initialization methods by moving the platform-specific registers space getting and mapping into a common method. It gets to be even more justified seeing the CSRs base address pointers are preserved in the common DW PCIe descriptor. Note all the OF-based common DW PCIe settings initialization will be moved to the new method too in order to have a single function for all the generic platform properties handling in single place. A nice side-effect of this change is that the pcie-designware-host.c and pcie-designware-ep.c drivers are cleaned up from all the direct dw_pcie storage modification, which makes the DW PCIe core, Root Port and Endpoint modules more coherent. Link: https://lore.kernel.org/r/20221113191301.5526-18-Sergey.Semin@baikalelectronics.ru Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru> Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> |
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drivers | ||
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include | ||
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io_uring | ||
ipc | ||
kernel | ||
lib | ||
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rust | ||
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sound | ||
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usr | ||
virt | ||
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COPYING | ||
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Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
README |
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.