MDIOBUS_WRITE_NESTED(9)

NAME
mdiobus_write_nested - Nested version of the mdiobus_write function

SYNOPSIS

int mdiobus_write_nested(struct mii_bus * bus, int addr, u32 regnum, u16 val);

ARGUMENTS

bus
    the mii_bus struct

addr
    the phy address

regnum
    register number to write

val
    value to write to regnum

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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