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>

6 files changed, 0 insertions, 36 deletions

diff --git a/drivers/net/ethernet/actions/owl-emac.c b/drivers/net/ethernet/actions/owl-emac.c
index cd4d71b83c33..c6f8f852bff1 100644
--- a/drivers/net/ethernet/actions/owl-emac.c
+++ b/drivers/net/ethernet/actions/owl-emac.c
@@ -1275,9 +1275,6 @@ static int owl_emac_mdio_read(struct mii_bus *bus, int addr, int regnum)
 	u32 data, tmp;
 	int ret;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	data = OWL_EMAC_BIT_MAC_CSR10_SB;
 	data |= OWL_EMAC_VAL_MAC_CSR10_OPCODE_RD << OWL_EMAC_OFF_MAC_CSR10_OPCODE;
 
@@ -1305,9 +1302,6 @@ owl_emac_mdio_write(struct mii_bus *bus, int addr, int regnum, u16 val)
 	struct owl_emac_priv *priv = bus->priv;
 	u32 data, tmp;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	data = OWL_EMAC_BIT_MAC_CSR10_SB;
 	data |= OWL_EMAC_VAL_MAC_CSR10_OPCODE_WR << OWL_EMAC_OFF_MAC_CSR10_OPCODE;
 
diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
index 5a909c1c11bc..e9dfefba5973 100644
--- a/drivers/net/ethernet/engleder/tsnep_main.c
+++ b/drivers/net/ethernet/engleder/tsnep_main.c
@@ -130,9 +130,6 @@ static int tsnep_mdiobus_read(struct mii_bus *bus, int addr, int regnum)
 	u32 md;
 	int retval;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	md = ECM_MD_READ;
 	if (!adapter->suppress_preamble)
 		md |= ECM_MD_PREAMBLE;
@@ -154,9 +151,6 @@ static int tsnep_mdiobus_write(struct mii_bus *bus, int addr, int regnum,
 	u32 md;
 	int retval;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	md = ECM_MD_WRITE;
 	if (!adapter->suppress_preamble)
 		md |= ECM_MD_PREAMBLE;
diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c
index 2d654a40af13..8662543ca5c8 100644
--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -146,9 +146,6 @@ static int orion_mdio_smi_read(struct mii_bus *bus, int mii_id,
 	u32 val;
 	int ret;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	ret = orion_mdio_wait_ready(&orion_mdio_smi_ops, bus);
 	if (ret < 0)
 		return ret;
@@ -177,9 +174,6 @@ static int orion_mdio_smi_write(struct mii_bus *bus, int mii_id,
 	struct orion_mdio_dev *dev = bus->priv;
 	int ret;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	ret = orion_mdio_wait_ready(&orion_mdio_smi_ops, bus);
 	if (ret < 0)
 		return ret;
diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
index 7050351250b7..02c03325911f 100644
--- a/drivers/net/ethernet/mediatek/mtk_star_emac.c
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -1378,9 +1378,6 @@ static int mtk_star_mdio_read(struct mii_bus *mii, int phy_id, int regnum)
 	unsigned int val, data;
 	int ret;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	mtk_star_mdio_rwok_clear(priv);
 
 	val = (regnum << MTK_STAR_OFF_PHY_CTRL0_PREG);
@@ -1407,9 +1404,6 @@ static int mtk_star_mdio_write(struct mii_bus *mii, int phy_id,
 	struct mtk_star_priv *priv = mii->priv;
 	unsigned int val;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	mtk_star_mdio_rwok_clear(priv);
 
 	val = data;
diff --git a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
index 7ac06fd31011..654190263535 100644
--- a/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
+++ b/drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_mdio.c
@@ -213,9 +213,6 @@ static int mlxbf_gige_mdio_read(struct mii_bus *bus, int phy_add, int phy_reg)
 	int ret;
 	u32 val;
 
-	if (phy_reg & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	/* Send mdio read request */
 	cmd = mlxbf_gige_mdio_create_cmd(priv->mdio_gw, 0, phy_add, phy_reg,
 					 MLXBF_GIGE_MDIO_CL22_READ);
@@ -249,9 +246,6 @@ static int mlxbf_gige_mdio_write(struct mii_bus *bus, int phy_add,
 	u32 cmd;
 	int ret;
 
-	if (phy_reg & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	/* Send mdio write request */
 	cmd = mlxbf_gige_mdio_create_cmd(priv->mdio_gw, val, phy_add, phy_reg,
 					 MLXBF_GIGE_MDIO_CL22_WRITE);
diff --git a/drivers/net/ethernet/sunplus/spl2sw_mdio.c b/drivers/net/ethernet/sunplus/spl2sw_mdio.c
index 733ae1704269..c8ef17e34f3c 100644
--- a/drivers/net/ethernet/sunplus/spl2sw_mdio.c
+++ b/drivers/net/ethernet/sunplus/spl2sw_mdio.c
@@ -61,9 +61,6 @@ static int spl2sw_mii_read(struct mii_bus *bus, int addr, int regnum)
 {
 	struct spl2sw_common *comm = bus->priv;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	return spl2sw_mdio_access(comm, SPL2SW_MDIO_READ_CMD, addr, regnum, 0);
 }
 
@@ -72,9 +69,6 @@ static int spl2sw_mii_write(struct mii_bus *bus, int addr, int regnum, u16 val)
 	struct spl2sw_common *comm = bus->priv;
 	int ret;
 
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	ret = spl2sw_mdio_access(comm, SPL2SW_MDIO_WRITE_CMD, addr, regnum, val);
 	if (ret < 0)
 		return ret;