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| /openbmc/linux/drivers/net/ethernet/stmicro/stmmac/ |
| H A D | dwmac-sun8i.c | diff 0fec7e72ae1391bb2d7527efb54fe6ae88acabce Thu Jun 20 08:47:44 CDT 2019 Icenowy Zheng <icenowy@aosc.io> net: stmmac: sun8i: force select external PHY when no internal one
The PHY selection bit also exists on SoCs without an internal PHY; if it's
set to 1 (internal PHY, default value) then the MAC will not make use of
any PHY on such SoCs.
This problem appears when adapting for H6, which has no real internal PHY
(the "internal PHY" on H6 is not on-die, but on a co-packaged AC200 chip,
connected via RMII interface at GPIO bank A).
Force the PHY selection bit to 0 when the SOC doesn't have an internal PHY,
to address the problem of a wrong default value.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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