B53 MMAP devices have a MDIO Mux bus controller that must be registered after properly initializing the switch. If the MDIO Mux controller is registered from a separate driver and the device has an external switch present, it will cause a race condition which will hang the device. Álvaro Fernández Rojas (3): dt-bindings: net: move bcm6368-mdio-mux bindings to b53 net: dsa: b53: mmap: register MDIO Mux bus controller net: mdio: remove BCM6368 MDIO mux bus driver .../bindings/net/brcm,bcm6368-mdio-mux.yaml | 52 ----- .../devicetree/bindings/net/dsa/brcm,b53.yaml | 131 +++++++++++++ drivers/net/dsa/b53/Kconfig | 1 + drivers/net/dsa/b53/b53_mmap.c | 127 +++++++++++- drivers/net/mdio/Kconfig | 11 -- drivers/net/mdio/Makefile | 1 - drivers/net/mdio/mdio-mux-bcm6368.c | 184 ------------------ 7 files changed, 258 insertions(+), 249 deletions(-) delete mode 100644 Documentation/devicetree/bindings/net/brcm,bcm6368-mdio-mux.yaml delete mode 100644 drivers/net/mdio/mdio-mux-bcm6368.c -- 2.30.2
