diff options
Diffstat (limited to 'drivers/net/mdio/mdio-aspeed.c')
| -rw-r--r-- | drivers/net/mdio/mdio-aspeed.c | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/drivers/net/mdio/mdio-aspeed.c b/drivers/net/mdio/mdio-aspeed.c index f22be2f069e9..5becddb56117 100644 --- a/drivers/net/mdio/mdio-aspeed.c +++ b/drivers/net/mdio/mdio-aspeed.c @@ -79,17 +79,10 @@ static int aspeed_mdio_get_data(struct mii_bus *bus) return FIELD_GET(ASPEED_MDIO_DATA_MIIRDATA, data); } -static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum) +static int aspeed_mdio_read_c22(struct mii_bus *bus, int addr, int regnum) { int rc; - dev_dbg(&bus->dev, "%s: addr: %d, regnum: %d\n", __func__, addr, - regnum); - - /* Just clause 22 for the moment */ - if (regnum & MII_ADDR_C45) - return -EOPNOTSUPP; - rc = aspeed_mdio_op(bus, ASPEED_MDIO_CTRL_ST_C22, MDIO_C22_OP_READ, addr, regnum, 0); if (rc < 0) @@ -98,17 +91,46 @@ static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum) return aspeed_mdio_get_data(bus); } +static int aspeed_mdio_write_c22(struct mii_bus *bus, int addr, int regnum, + u16 val) +{ + return aspeed_mdio_op(bus, ASPEED_MDIO_CTRL_ST_C22, MDIO_C22_OP_WRITE, + addr, regnum, val); +} + +static int aspeed_mdio_read_c45(struct mii_bus *bus, int addr, int regnum) +{ + /* TODO: add c45 support */ + return -EOPNOTSUPP; +} + +static int aspeed_mdio_write_c45(struct mii_bus *bus, int addr, int regnum, + u16 val) +{ + /* TODO: add c45 support */ + return -EOPNOTSUPP; +} + +static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum) +{ + dev_dbg(&bus->dev, "%s: addr: %d, regnum: %d\n", __func__, addr, + regnum); + + if (regnum & MII_ADDR_C45) + return aspeed_mdio_read_c45(bus, addr, regnum); + + return aspeed_mdio_read_c22(bus, addr, regnum); +} + static int aspeed_mdio_write(struct mii_bus *bus, int addr, int regnum, u16 val) { dev_dbg(&bus->dev, "%s: addr: %d, regnum: %d, val: 0x%x\n", __func__, addr, regnum, val); - /* Just clause 22 for the moment */ if (regnum & MII_ADDR_C45) - return -EOPNOTSUPP; + return aspeed_mdio_write_c45(bus, addr, regnum, val); - return aspeed_mdio_op(bus, ASPEED_MDIO_CTRL_ST_C22, MDIO_C22_OP_WRITE, - addr, regnum, val); + return aspeed_mdio_write_c22(bus, addr, regnum, val); } static int aspeed_mdio_probe(struct platform_device *pdev) |