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.