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151f3d29ba
Add driver to configure the STM32MP25 SoC PCIe controller based on the DesignWare PCIe core in endpoint mode. Controller support 2.5 and 5 GT/s data rates and uses the common reference clock provided by the host. The PCIe core_clk receives the pipe0_clk from the ComboPHY as input, and the ComboPHY PLL must be locked for pipe0_clk to be ready. Consequently, PCIe core registers cannot be accessed until the ComboPHY is fully initialised and REFCLK is enabled and ready. Signed-off-by: Christian Bruel <christian.bruel@foss.st.com> [mani: reworded description] Signed-off-by: Manivannan Sadhasivam <mani@kernel.org> [bhelgaas: squash in https://patch.msgid.link/20250902122641.269725-1-christian.bruel@foss.st.com to remove redundant link_status checks] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://patch.msgid.link/20250820075411.1178729-7-christian.bruel@foss.st.com |
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| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| 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 reStructuredText 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.