In commit 88dbec0707c9b21b1323adb3d4b751ba2a866901, stmmac_mdio.c was updated. This doesn't work in branch v5.10/standard/x86 and v5.10/standard/preempt-rt/x86, since the stmmac driver in those two branches has been already updated to the latest verion in Linux kernel v5.13.
Link: https://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto/diff/drivers/net/ethernet /stmicro/stmmac/stmmac_mdio.c?h=v5.10/standard/x86&id=88dbec0707c9b21b1323adb3d4b751ba2a866901 Signed-off-by: Yongxin Liu <yongxin....@windriver.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 27 ----------------------- 1 file changed, 27 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index 6e23f00bb2de..fc68eb67a258 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -569,38 +569,11 @@ int stmmac_mdio_register(struct net_device *ndev) goto no_phy_found; } - /* Try to probe the XPCS by scanning all addresses. */ - if (priv->hw->xpcs) { - struct mdio_xpcs_args *xpcs = &priv->hw->xpcs_args; - int ret, mode = priv->plat->phy_interface; - max_addr = PHY_MAX_ADDR; - - xpcs->bus = new_bus; - - found = 0; - for (addr = 0; addr < max_addr; addr++) { - xpcs->addr = addr; - - ret = stmmac_xpcs_probe(priv, xpcs, mode); - if (!ret) { - found = 1; - break; - } - } - - if (!found && !mdio_node) { - dev_warn(dev, "No XPCS found\n"); - err = -ENODEV; - goto no_xpcs_found; - } - } - bus_register_done: priv->mii = new_bus; return 0; -no_xpcs_found: no_phy_found: mdiobus_unregister(new_bus); bus_register_fail: -- 2.14.5
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