From fcd736bf35fd93b563e9bbf594f2aa7b62028cc9 Mon Sep 17 00:00:00 2001 From: lin <lin@kickpi.com> Date: Thu, 14 Aug 2025 02:17:25 +0000 Subject: [PATCH] feat(eth0): add MAE0621A phy support --- longan/kernel/linux-4.9/drivers/net/phy/phy_device.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/longan/kernel/linux-4.9/drivers/net/phy/phy_device.c b/longan/kernel/linux-4.9/drivers/net/phy/phy_device.c index 5048a6d..fd821fe 100644 --- a/longan/kernel/linux-4.9/drivers/net/phy/phy_device.c +++ b/longan/kernel/linux-4.9/drivers/net/phy/phy_device.c @@ -487,6 +487,15 @@ if (is_c45) return get_phy_c45_ids(bus, addr, phy_id, c45_ids); +#ifdef CONFIG_MAXIO_PHY + /* + *An MDIO connects to multiple PHYs requiring write before read. + *This operation does not affect one MDIO connected to a single PHY + *MII_PHYSID2 is a read-only register and writine to it has no effect + */ + mdiobus_write(bus,addr,MII_PHYSID2,0); +#endif + /* Grab the bits from PHYIR1, and put them in the upper half */ phy_reg = mdiobus_read(bus, addr, MII_PHYSID1); if (phy_reg < 0) -- Gitblit v1.6.2