diff options
| author | Christian Lamparter <chunkeey@gmail.com> | 2018-09-22 00:38:41 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2018-09-29 17:23:11 +0200 |
| commit | 64756a9a30d556e3d949123bde099c66a5d627f8 (patch) | |
| tree | 8081369e3853608d2e34fdffd29afe567bcc61d9 /target | |
| parent | 641dc50164d30d4962499e1974fafde9b337faaf (diff) | |
| download | upstream-64756a9a30d556e3d949123bde099c66a5d627f8.tar.gz upstream-64756a9a30d556e3d949123bde099c66a5d627f8.tar.bz2 upstream-64756a9a30d556e3d949123bde099c66a5d627f8.zip | |
apm821xx: net: emac: fix fixed-link setup for the RTL8363SB switch
On the Netgear WNDAP620, the emac ethernet isn't receiving nor
xmitting any frames from/to the RTL8363SB (identifies itself
as a RTL8367RB).
This is caused by hardware not knowing the right forced link
settings (speed, duplex, pause, etc.) settings.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/apm821xx/patches-4.14/050-net-emac-fix-fixed-link-setup-for-the-RTL8363SB-swit.patch | 48 | ||||
| -rw-r--r-- | target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch | 2 |
2 files changed, 49 insertions, 1 deletions
diff --git a/target/linux/apm821xx/patches-4.14/050-net-emac-fix-fixed-link-setup-for-the-RTL8363SB-swit.patch b/target/linux/apm821xx/patches-4.14/050-net-emac-fix-fixed-link-setup-for-the-RTL8363SB-swit.patch new file mode 100644 index 0000000000..05e29f963e --- /dev/null +++ b/target/linux/apm821xx/patches-4.14/050-net-emac-fix-fixed-link-setup-for-the-RTL8363SB-swit.patch @@ -0,0 +1,48 @@ +From 08e39982ef64f800fd1f9b9b92968d14d5fafa82 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@gmail.com> +Date: Mon, 17 Sep 2018 17:22:40 +0200 +Subject: net: emac: fix fixed-link setup for the RTL8363SB switch + +On the Netgear WNDAP620, the emac ethernet isn't receiving nor +xmitting any frames from/to the RTL8363SB (identifies itself +as a RTL8367RB). + +This is caused by the emac hardware not knowing the forced link +parameters for speed, duplex, pause, etc. + +This begs the question, how this was working on the original +driver code, when it was necessary to set the phy_address and +phy_map to 0xffffffff. But I guess without access to the old +PPC405/440/460 hardware, it's not possible to know. + +Signed-off-by: Christian Lamparter <chunkeey@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/ibm/emac/core.c | 15 ++++++++++----- + 1 file changed, 10 insertions(+), 5 deletions(-) + +--- a/drivers/net/ethernet/ibm/emac/core.c ++++ b/drivers/net/ethernet/ibm/emac/core.c +@@ -2671,12 +2671,17 @@ static int emac_init_phy(struct emac_ins + if (of_phy_is_fixed_link(np)) { + int res = emac_dt_mdio_probe(dev); + +- if (!res) { +- res = of_phy_register_fixed_link(np); +- if (res) +- mdiobus_unregister(dev->mii_bus); ++ if (res) ++ return res; ++ ++ res = of_phy_register_fixed_link(np); ++ dev->phy_dev = of_phy_find_device(np); ++ if (res || !dev->phy_dev) { ++ mdiobus_unregister(dev->mii_bus); ++ return res ? res : -EINVAL; + } +- return res; ++ emac_adjust_link(dev->ndev); ++ put_device(&dev->phy_dev->mdio.dev); + } + return 0; + } diff --git a/target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch b/target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch index 7f630a3c2a..ced284ee3b 100644 --- a/target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch +++ b/target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch @@ -30,7 +30,7 @@ #endif } -@@ -2879,6 +2888,7 @@ static int emac_init_config(struct emac_ +@@ -2884,6 +2893,7 @@ static int emac_init_config(struct emac_ if (of_device_is_compatible(np, "ibm,emac-apm821xx")) { dev->features |= (EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE | EMAC_FTR_APM821XX_NO_HALF_DUPLEX | |