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afc0a570bb
pci_host_common_probe() is an extremely useful helper, as it abstracts away most of the gunk that a "mostly-ECAM-compliant" device driver needs. However, it is structured as a probe function, meaning that a lot of the driver-specific setup has to happen in a .init() callback, after the bridge and config space have been instantiated. This is a bit awkward, and results in a number of convolutions that could be avoided if the host-common code was more like a library. Introduce a pci_host_common_init() helper that does exactly that, taking the platform device and a struct pci_ecam_op as parameters. This can then be called from the probe routine, and a lot of the code that isn't relevant to PCI setup moved away from the .init() callback. This also removes the dependency on the device match data, which is an oddity. Signed-off-by: Marc Zyngier <maz@kernel.org> [mani: fixed spelling mistakes] Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Tested-by: Janne Grunau <j@jannau.net> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Link: https://patch.msgid.link/20250401091713.2765724-4-maz@kernel.org |
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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.