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OF_MDIO_FIND_BUS(9) | Network device support | OF_MDIO_FIND_BUS(9) |
NAME¶
of_mdio_find_bus - Given an mii_bus node, find the mii_bus.SYNOPSIS¶
struct mii_bus * of_mdio_find_bus(struct device_node * mdio_bus_np);
ARGUMENTS¶
mdio_bus_npPointer to the mii_bus.
DESCRIPTION¶
Returns a reference to the mii_bus, or NULL if none found. The embedded struct device will have its reference count incremented, and this must be put once the bus is finished with.Because the association of a device_node and mii_bus is made via of_mdiobus_register, the mii_bus cannot be found before it is registered with of_mdiobus_register.
COPYRIGHT¶
April 2019 | Kernel Hackers Manual 4.9. |