Thread (5 messages) flat view 5 messages, 2 authors, 2018-10-07

Re: [PATCH net-next] net: dsa: mc88e6xxx: Fix 88E6141/6341 2500mbps SERDES speed

From: Marek Behun <hidden>
Date: 2018-10-06 07:39:31

Hi Marek

I'm confused.

The alt bit is used for configuring 2500. You say 2500 is only
supported on port 5. But !port is only true for port 0?

	  Andrew
On Topaz alt_bit is used only for port 0 for differentiating 100 mbps
vs 200 mbps. The choices for SpdValue are 0 for 10 mbps, 1 for 100
mbps or 200 mbps (if alt_bit), 2 for 1000 mbps and 3 for 2500 mbps.
2500 is allowed only on port 5. alt_bit is not used on Topaz for port
5 (serdes), therefore I used !port.

Marek
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