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Russell King says: ==================== net: pcs: add supported_interfaces bitmap for PCS This series adds supported_interfaces for PCS, which gives MAC code a way to determine the interface modes that the PCS supports without having to implement functions such as xpcs_get_interfaces(), or workarounds such as in https://lore.kernel.org/20241213090526.71516-3-maxime.chevallier@bootlin.com Patch 1 adds the new bitmask to struct phylink_pcs, and code within phylink to validate that the PCS returned by the MAC driver supports the interface mode - but only if this bitmask is non-empty. Patch 2 through 4 fills in the interface modes for XPCS, Mediatek LynxI and Lynx PCS. Patch 5 adds support to stmmac to make use of this bitmask when filling in phylink_config.supported_interfaces, eliminating the call to xpcs_get_interfaces. As xpcs_get_interfaces() is now unused outside of pcs-xpcs.c, patch 6 makes this function static and removes it from the header file. ==================== Link: https://patch.msgid.link/Z3fG9oTY9F9fCYHv@shell.armlinux.org.uk Signed-off-by: Jakub Kicinski <kuba@kernel.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 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.