Thread (14 messages) 14 messages, 4 authors, 2016-03-11

Re: [PATCH 1/3] net: thunderx: Cleanup PHY probing code.

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From: David Daney <hidden>
Date: 2016-03-11 21:58:08
Also in: linux-arm-kernel, lkml

On 03/11/2016 01:35 PM, Andrew Lunn wrote:
[...]
How usable is the hardware without a PHY driver?
The hardware has always in the past, still does, and probably always will work fine without a PHY driver.  Link up/down are correctly handled.
Is a better solution
that your write a very minimal PHY driver?
No.  Nothing would be gained.

All we are trying to do, is allow for loading of 1G PHY drivers via the -EPROBE_DEFER mechanism while continuing to allow the 10G and 40G ports to function without a PHY driver.

Specifically, we are *not* attempting to solve the problem of re-architecting the kernel phy_device infrastructure so that it would be possible to write a Cortina PHYs driver.  Nor are we proposing that a Cortina PHY driver be written that would fit into the current infrastructure.

To this end, I still think the current patch takes the best approach.

Thanks,
David Daney
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