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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2013-10-25 21:02:13 +0000 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2013-10-25 21:02:13 +0000 |
| commit | c185d48b7cfdc88e7cc40ba46b8bfff65bd0af7c (patch) | |
| tree | b3b46c68576f6392d0a301a05182e9396bcbe9b1 | |
| parent | 3d77352390cb3d8081d6cfbde14444a39aa77a0a (diff) | |
| download | upstream-c185d48b7cfdc88e7cc40ba46b8bfff65bd0af7c.tar.gz upstream-c185d48b7cfdc88e7cc40ba46b8bfff65bd0af7c.tar.bz2 upstream-c185d48b7cfdc88e7cc40ba46b8bfff65bd0af7c.zip | |
brcm47xx: b44: add dummy phy device if we do not find any
On some devices with e.g. a BCM2535F switch the second MAC is used, but
we can not find a phy under all addresses between 0 and 31, 0xffffffff
is returned as phy id. If we can not find a phy at the expected address
create a dummy one.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
SVN-Revision: 38538
| -rw-r--r-- | target/linux/brcm47xx/patches-3.10/208-b44-add-dummy-phy-device-if-we-do-not-find-any.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.10/208-b44-add-dummy-phy-device-if-we-do-not-find-any.patch b/target/linux/brcm47xx/patches-3.10/208-b44-add-dummy-phy-device-if-we-do-not-find-any.patch new file mode 100644 index 0000000000..fd51a3f61b --- /dev/null +++ b/target/linux/brcm47xx/patches-3.10/208-b44-add-dummy-phy-device-if-we-do-not-find-any.patch @@ -0,0 +1,64 @@ +From 1a900b17b34ddca0336c739a2836bcb7f8aad5a8 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +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 +2222,8 @@ static int b44_register_phy_one(struct b + struct ssb_device *sdev = bp->sdev; + struct phy_device *phydev; + int err; ++ bool dummy_phy = false; ++ struct phy_c45_device_ids c45_ids = {0}; + + mii_bus = mdiobus_alloc(); + if (!mii_bus) { +@@ -2256,9 +2258,21 @@ 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; ++ dummy_phy = true; ++ 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_phy_free; ++ } + } + + err = phy_connect_direct(bp->dev, phydev, &b44_adjust_link, +@@ -2266,7 +2280,7 @@ static int b44_register_phy_one(struct b + if (err < 0) { + dev_err(sdev->dev, "could not attach PHY at %i\n", + bp->phy_addr); +- goto err_out_mdiobus_unregister; ++ goto err_out_phy_free; + } + + /* mask with MAC supported features */ +@@ -2288,6 +2302,9 @@ static int b44_register_phy_one(struct b + + return 0; + ++err_out_phy_free: ++ if (phydev && dummy_phy) ++ phy_device_free(phydev); + err_out_mdiobus_unregister: + mdiobus_unregister(mii_bus); + |