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There are two variants of the MT7531 switch IC which got different features (and pins) regarding port 5: * MT7531AE: SGMII/1000Base-X/2500Base-X SerDes PCS * MT7531BE: RGMII Moving the creation of the SerDes PCS from mt753x_setup to mt7530_probe with commit6de2852297("net: dsa: mt7530: move SGMII PCS creation to mt7530_probe function") works fine for MT7531AE which got two instances of mtk-pcs-lynxi, however, MT7531BE requires mt7531_pll_setup to setup clocks before the single PCS on port 6 (usually used as CPU port) starts to work and hence the PCS creation failed on MT7531BE. Fix this by introducing a pointer to mt7531_create_sgmii function in struct mt7530_priv and call it again at the end of mt753x_setup like it was before commit6de2852297("net: dsa: mt7530: move SGMII PCS creation to mt7530_probe function"). Fixes:6de2852297("net: dsa: mt7530: move SGMII PCS creation to mt7530_probe function") Signed-off-by: Daniel Golle <daniel@makrotopia.org> Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com> Link: https://lore.kernel.org/r/ZDvlLhhqheobUvOK@makrotopia.org 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 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.