bnxt_en: read the clause type from the PHY ID

Currently driver hard code Clause 45 based on speed supported by the
PHY. Instead read the clause type from the PHY ID provided as input
to the mdio ioctl.

Fixes: 0ca12be9 ("bnxt_en: Add support for mdio read/write to external PHY")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -8699,7 +8699,7 @@ static int bnxt_hwrm_port_phy_read(struct bnxt *bp, u16 phy_addr, u16 reg,
 	req.port_id = cpu_to_le16(bp->pf.port_id);
 	req.phy_addr = phy_addr;
 	req.reg_addr = cpu_to_le16(reg & 0x1f);
-	if (bp->link_info.support_speeds & BNXT_LINK_SPEED_MSK_10GB) {
+	if (mdio_phy_id_is_c45(phy_addr)) {
 		req.cl45_mdio = 1;
 		req.phy_addr = mdio_phy_id_prtad(phy_addr);
 		req.dev_addr = mdio_phy_id_devad(phy_addr);
@@ -8726,7 +8726,7 @@ static int bnxt_hwrm_port_phy_write(struct bnxt *bp, u16 phy_addr, u16 reg,
 	req.port_id = cpu_to_le16(bp->pf.port_id);
 	req.phy_addr = phy_addr;
 	req.reg_addr = cpu_to_le16(reg & 0x1f);
-	if (bp->link_info.support_speeds & BNXT_LINK_SPEED_MSK_10GB) {
+	if (mdio_phy_id_is_c45(phy_addr)) {
 		req.cl45_mdio = 1;
 		req.phy_addr = mdio_phy_id_prtad(phy_addr);
 		req.dev_addr = mdio_phy_id_devad(phy_addr);