Phil Elwell
175042e1b3
net: lan78xx: Support auto-downshift to 100Mb/s
...
Ethernet cables with faulty or missing pairs (specifically pairs C and
D) allow auto-negotiation to 1000Mbs, but do not support the successful
establishment of a link. Add a DT property, "microchip,downshift-after",
to configure the number of auto-negotiation failures after which it
falls back to 100Mbs. Valid values are 2, 3, 4, 5 and 0, where 0 means
never downshift.
Signed-off-by: Phil Elwell <phil@raspberrypi.org >
2022-03-21 16:03:52 +00:00
..
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