From 1a900b17b34ddca0336c739a2836bcb7f8aad5a8 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Fri, 25 Oct 2013 00:03:33 +0200 Subject: [PATCH 9/9] b44: add dummy phy device if we do not find any --- drivers/net/ethernet/broadcom/b44.c | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -2222,6 +2222,7 @@ static int b44_register_phy_one(struct b struct ssb_device *sdev = bp->sdev; struct phy_device *phydev; int err; + struct phy_c45_device_ids c45_ids = {0}; mii_bus = mdiobus_alloc(); if (!mii_bus) { @@ -2256,9 +2257,20 @@ static int b44_register_phy_one(struct b phydev = bp->mii_bus->phy_map[bp->phy_addr]; if (!phydev) { - dev_err(sdev->dev, "could not find PHY at %i\n", bp->phy_addr); - err = -ENODEV; - goto err_out_mdiobus_unregister; + dev_info(sdev->dev, "could not find PHY at %i, create dummy one\n", + bp->phy_addr); + + phydev = phy_device_create(bp->mii_bus, bp->phy_addr, 0x0, false, &c45_ids); + if (IS_ERR(phydev)) { + err = PTR_ERR(phydev); + dev_err(sdev->dev, "Can not create dummy PHY\n"); + goto err_out_mdiobus_unregister; + } + err = phy_device_register(phydev); + if (err) { + dev_err(sdev->dev, "failed to register MII bus\n"); + goto err_out_mdiobus_unregister; + } } err = phy_connect_direct(bp->dev, phydev, &b44_adjust_link,