diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/736-net-phy-at803x-add-at8031-features.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/736-net-phy-at803x-add-at8031-features.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/736-net-phy-at803x-add-at8031-features.patch b/target/linux/generic/pending-5.4/736-net-phy-at803x-add-at8031-features.patch new file mode 100644 index 0000000000..aa70f82823 --- /dev/null +++ b/target/linux/generic/pending-5.4/736-net-phy-at803x-add-at8031-features.patch @@ -0,0 +1,36 @@ +Add back explicit PHY feature flags for the AR8031 and +AR8033 PHY instead of reading them from the PHY. + +The Botloader for Ubiquiti UniFi AC boards (and possibly more) +leave fiber page selected, thus we will end up reading the PHY +capabilities of the SGMII side (which does not offer 10 Mbit/s). + +We already have a hack in place, which switches back to the copper +page, however this happens after capabilities are read. + +The original conversation about 735-net-phy-at803x-fix-at8033-sgmii-mode +back in 2015 explicitly mention the UniFi AC Lite. The issue however is +not missing autonegotiation on the Fiber side, but the fact the PHY +is never switched to the copper side. So half of this patch is superfluous. + +A fix is currently being upstreamed. Once this is mainlined and available to us, +these patches can be dropped: + +735-net-phy-at803x-fix-at8033-sgmii-mode.patch +736-net-phy-at803x-add-at8031-features.patch + +This was tested on a UniFi AC Lite. + +See https://patchwork.kernel.org/project/netdevbpf/list/?series=467341 + +--- a/drivers/net/phy/at803x.c ++++ b/drivers/net/phy/at803x.c +@@ -490,7 +490,7 @@ static struct phy_driver at803x_driver[] + .get_wol = at803x_get_wol, + .suspend = at803x_suspend, + .resume = at803x_resume, +- /* PHY_GBIT_FEATURES */ ++ .features = PHY_GBIT_FEATURES, + .read_status = at803x_read_status, + .aneg_done = at803x_aneg_done, + .ack_interrupt = &at803x_ack_interrupt, |