diff options
| author | Potin Lai <potin.lai@quantatw.com> | 2022-04-07 09:17:37 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-04-08 12:20:52 +0100 |
| commit | eb0571932314e6f4f0cb4e05c590fe78c01acbd7 (patch) | |
| tree | 881c8c1a1d7f29299499e78ffd5cf0a8f105caa3 /drivers/net/mdio/mdio-aspeed.c | |
| parent | 737ca352569e744bf753b4522a6f91b120a734f1 (diff) | |
net: mdio: aspeed: Introduce read write function for c22 and c45
Add following additional functions to move out the implementation from
aspeed_mdio_read() and aspeed_mdio_write().
c22:
- aspeed_mdio_read_c22()
- aspeed_mdio_write_c22()
c45:
- aspeed_mdio_read_c45()
- aspeed_mdio_write_c45()
Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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) |