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Daniel Golle says: ==================== net: phy: realtek: various improvements for 2.5GE PHYs This series improves the RealTek PHY driver, mostly for 2.5GE PHYs. It implements configuring SGMII and 2500Base-X in-band auto-negotiation and improves using the PHYs in Clause-22-only mode. Note that the rtl822x_serdes_write() function introduced by this series is going to be reused to configure polarities of SerDes RX and TX lanes once series "PHY polarity inversion via generic device tree properties" has been applied. Access to other registers on MDIO_MMD_VEND2 is important for more than just configuring autonegotiation, it is also used to setup ALDPS or to disable the PHY responding to the MDIO broadcast address 0. Both will be implemented by follow-up patches. The address translation function for registers on MDIO_MMD_VEND2 into paged registers can potentially also be used to describe other paged access in a more consistent way, but that mostly makes sense on PHYs which also support Clause-45, so this series doesn't convert all the existing paged access on RealTek's 1GE PHYs which do not support Clause-45. ==================== Link: https://patch.msgid.link/cover.1767630451.git.daniel@makrotopia.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. 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