net: Remove C45 check in C22 only MDIO bus drivers

The MDIO core should not pass a C45 request via the C22 API call any
more. So remove the tests from the drivers.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

4 files changed, 0 insertions, 26 deletions

diff --git a/drivers/net/mdio/mdio-i2c.c b/drivers/net/mdio/mdio-i2c.c
index 9577a1842997..1e0c206d0f2e 100644
--- a/drivers/net/mdio/mdio-i2c.c
+++ b/drivers/net/mdio/mdio-i2c.c
@@ -297,9 +297,6 @@ static int i2c_mii_read_rollball(struct mii_bus *bus, int phy_id, int reg)
 	int bus_addr, ret;
 	u16 val;
 
-	if (!(reg & MII_ADDR_C45))
-		return -EOPNOTSUPP;
-
 	bus_addr = i2c_mii_phy_addr(phy_id);
 	if (bus_addr != ROLLBALL_PHY_I2C_ADDR)
 		return 0xffff;
@@ -331,9 +328,6 @@ static int i2c_mii_write_rollball(struct mii_bus *bus, int phy_id, int reg,
 	int bus_addr, ret;
 	u8 buf[6];
 
-	if (!(reg & MII_ADDR_C45))
-		return -EOPNOTSUPP;
-
 	bus_addr = i2c_mii_phy_addr(phy_id);
 	if (bus_addr != ROLLBALL_PHY_I2C_ADDR)
 		return 0;
diff --git a/drivers/net/mdio/mdio-ipq8064.c b/drivers/net/mdio/mdio-ipq8064.c
index 37e0d8b6da07..fd9716960106 100644
--- a/drivers/net/mdio/mdio-ipq8064.c
+++ b/drivers/net/mdio/mdio-ipq8064.c
@@ -57,10 +57,6 @@ ipq8064_mdio_read(struct mii_bus *bus, int phy_addr, int reg_offset)
 	u32 ret_val;
 	int err;
 
-	/* Reject clause 45 */
-	if (reg_offset & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	miiaddr |= ((phy_addr << MII_ADDR_SHIFT) & MII_ADDR_MASK) |
 		   ((reg_offset << MII_REG_SHIFT) & MII_REG_MASK);
 
@@ -81,10 +77,6 @@ ipq8064_mdio_write(struct mii_bus *bus, int phy_addr, int reg_offset, u16 data)
 	u32 miiaddr = MII_WRITE | MII_BUSY | MII_CLKRANGE_250_300M;
 	struct ipq8064_mdio *priv = bus->priv;
 
-	/* Reject clause 45 */
-	if (reg_offset & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	regmap_write(priv->base, MII_DATA_REG_ADDR, data);
 
 	miiaddr |= ((phy_addr << MII_ADDR_SHIFT) & MII_ADDR_MASK) |
diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c
index 51f68daac152..c87e991d1a17 100644
--- a/drivers/net/mdio/mdio-mscc-miim.c
+++ b/drivers/net/mdio/mdio-mscc-miim.c
@@ -108,9 +108,6 @@ static int mscc_miim_read(struct mii_bus *bus, int mii_id, int regnum)
 	u32 val;
 	int ret;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	ret = mscc_miim_wait_pending(bus);
 	if (ret)
 		goto out;
@@ -154,9 +151,6 @@ static int mscc_miim_write(struct mii_bus *bus, int mii_id,
 	struct mscc_miim_dev *miim = bus->priv;
 	int ret;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	ret = mscc_miim_wait_pending(bus);
 	if (ret < 0)
 		goto out;
diff --git a/drivers/net/mdio/mdio-mvusb.c b/drivers/net/mdio/mdio-mvusb.c
index d5eabddfdf51..68fc55906e78 100644
--- a/drivers/net/mdio/mdio-mvusb.c
+++ b/drivers/net/mdio/mdio-mvusb.c
@@ -34,9 +34,6 @@ static int mvusb_mdio_read(struct mii_bus *mdio, int dev, int reg)
 	struct mvusb_mdio *mvusb = mdio->priv;
 	int err, alen;
 
-	if (dev & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	mvusb->buf[MVUSB_CMD_ADDR] = cpu_to_le16(0xa400 | (dev << 5) | reg);
 
 	err = usb_bulk_msg(mvusb->udev, usb_sndbulkpipe(mvusb->udev, 2),
@@ -57,9 +54,6 @@ static int mvusb_mdio_write(struct mii_bus *mdio, int dev, int reg, u16 val)
 	struct mvusb_mdio *mvusb = mdio->priv;
 	int alen;
 
-	if (dev & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	mvusb->buf[MVUSB_CMD_ADDR] = cpu_to_le16(0x8000 | (dev << 5) | reg);
 	mvusb->buf[MVUSB_CMD_VAL]  = cpu_to_le16(val);