Thread (14 messages) 14 messages, 4 authors, 2017-12-11

Re: Waiting for the PHY to complete auto-negotiation

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From: Måns Rullgård <hidden>
Date: 2017-12-11 16:32:56

Mason [off-list ref] writes:
On 11/12/2017 15:36, Måns Rullgård wrote:
quoted
Mason writes:
quoted
I suppose I should test forcefully setting the enable bit to 0 in
the driver, and see if hell breaks loose.
You can't.  When the enable bit is 1, writes to that register are
ignored.  It goes back to 0 automatically when the hw runs out of
descriptors.
I don't think they are ignored, because toggling the control flow
bit actually breaks RX.
Oh, then it's even worse than the docs suggest.

-- 
Måns Rullgård
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