Seewer Philippe wrote:
> Most AMD pcnet chips support up to 32 external PHYs. This patch
> introduces basic PHY selection/switching support, by adding two
> new module parameters:
> -maxphy: how many PHYs the card supports
> -usephy: which phy to use instead of eeprom default
>
> Maxphy is necessary in order to check the range of usephy and may
> be overriden inside the module.
It seems a bit pointless for the range check of a user-supplied value to
be driven by another user-supplied value.
> If only maxphy is present I've implemented an algorithm which checks
> the link state on all PHYs and uses the one that has a link.
Knowing how many PHYs to scan is potentially useful, but how about
determining that at runtime? Missing PHYs should be detectable with a
timeout or similar. Too risky?
--Adam
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