From: Florian Fainelli <f.faine...@gmail.com> Date: Wed, 15 Jul 2015 16:09:32 -0700
> 7445E0 contains an ECO which disconnected the internal SF2 pseudo-PHY which > was > known to conflict with the external pseudo-PHY of BCM53125 switches. This > motivated the need to utilize the internal SF2 MDIO controller via indirect > register reads/writes to control external Broadcom switches due to this > address > conflict (both responded at address 30d). > > For 7445E0, the internal pseudo-PHY of the SF2 switch got disconnected, and as > a consequence this prevents the internal SF2 MDIO bus controller from reading > data (reads back everything as 0) since the MDI line is tied low. > > Fix this by making the indirect register reads and writes conditional to > 7445D0, on 7445E0 we can utilize the SWITCH_MDIO controller (backed by > mdio-unimac and not the DSA created slave MII bus). > > We utilize of_machine_is_compatible() here since this is the only way for use > to differentiate between these two chips in a way that does not violate layers > or becomes (too) vendor-specific. > > Signed-off-by: Florian Fainelli <f.faine...@gmail.com> Applied, thanks Florian. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
