On Sun, 31 May 2020 15:26:40 +0300 Vladimir Oltean wrote: > From: Maxim Kochetkov <fido_...@inbox.ru> > > This is another switch from Vitesse / Microsemi / Microchip, that has > 10 port (8 external, 2 internal) and is integrated into the Freescale / > NXP T1040 PowerPC SoC. It is very similar to Felix from NXP LS1028A, > except that this is a platform device and Felix is a PCI device, and it > doesn't support IEEE 1588 and TSN. > > Like Felix, this driver configures its own PCS on the internal MDIO bus > using a phy_device abstraction for it (yes, it will be refactored to use > a raw mdio_device, like other phylink drivers do, but let's keep it like > that for now). But unlike Felix, the MDIO bus and the PCS are not from > the same vendor. The PCS is the same QorIQ/Layerscape PCS as found in > Felix/ENETC/DPAA*, but the internal MDIO bus that is used to access it > is actually an instantiation of drivers/net/phy/mdio-mscc-miim.c. But it > would be difficult to reuse that driver (it doesn't even use regmap, and > it's less than 200 lines of code), so we hand-roll here some internal > MDIO bus accessors within seville_vsc9953.c, which serves the purpose of > driving the PCS absolutely fine. > > Also, same as Felix, the PCS doesn't support dynamic reconfiguration of > SerDes protocol, so we need to do pre-validation of PHY mode from device > tree and not let phylink change it. > > Signed-off-by: Maxim Kochetkov <fido_...@inbox.ru> > Signed-off-by: Vladimir Oltean <vladimir.olt...@nxp.com> > Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
drivers/net/dsa/ocelot/seville_vsc9953.c:1003:19: warning: symbol 'seville_info_vsc9953' was not declared. Should it be static?
