Re: [PATCH net-next 1/2] dt-bindings: net: document Microchip PIC64-HPSC/HX MDIO controller

[Andrew Lunn]

> The hardware supports an interrupt pin to signal transaction completion
> which is not strictly needed as the software can also poll a "TRIGGER"
> bit for this.

Experience with the FEC is that using interrupts is slower, but you
save some CPU load. The vast majority of MDIO devices poll.

     Andrew