MDIOBUS_READ_NESTED(9) - phpMan
MDIOBUS_READ_NESTED(9) Network device support 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.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 MDIOBUS_READ_NESTED(9)
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