Messages in this thread | | | Subject | Re: [PATCH v2 1/6] mdio_bus: Add generic mdio_find_bus() | From | Florian Fainelli <> | Date | Mon, 24 Feb 2020 14:59:13 -0800 |
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On 2/24/20 2:53 PM, Jeremy Linton wrote: > It appears most ethernet drivers follow one of two main strategies > for mdio bus/phy management. A monolithic model where the net driver > itself creates, probes and uses the phy, and one where an external > mdio/phy driver instantiates the mdio bus/phy and the net driver > only attaches to a known phy. Usually in this latter model the phys > are discovered via DT relationships or simply phy name/address > hardcoding. > > This is a shame because modern well behaved mdio buses are self > describing and can be probed. The mdio layer itself is fully capable > of this, yet there isn't a clean way for a standalone net driver > to attach and enumerate the discovered devices. This is because > outside of of_mdio_find_bus() there isn't a straightforward way > to acquire the mii_bus pointer. > > So, lets add a mdio_find_bus which can return the mii_bus based > only on its name. > > Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> -- Florian
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