MDIOBUS_READ_NESTED(9)

NAME
mdiobus_read_nested - Nested version of the mdiobus_read function

SYNOPSIS

int mdiobus_read_nested(struct mii_bus * bus, int addr, u32 regnum);

ARGUMENTS

bus
    the mii_bus struct

addr
    the phy address

regnum
    register number to read

DESCRIPTION

In case of nested MDIO bus access avoid lockdep false positives by using mutex_lock_nested.

NOTE

MUST NOT be called from interrupt context, because the bus read/write functions may wait for an interrupt to conclude the operation.

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