| 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¶
| June 2024 | Kernel Hackers Manual 3.10 |