Hi Thomas
Hi Hauke
On 04/06/2016 16:43, Langer, Thomas wrote:
>> + /* there is an errata regarding irqs in this rev */
> And then this is comment is also now valid.
> What about a system with a single external phy connected,
> on a non-Lantiq/Intel SoC?
>
> I think the feasibility of using interrupts is not related to the phy version,
> but indirectly by the version of the SoC it is integrated.
>
> So maybe he use of interrupts (on these SoCs) should be controlled by
> devicetree or
> network driver, where the SoC type and version can be handled?
>
IIRC the 2 irq lines are broken on xrx200 v1.1 SoC silicon. irqs were
unreliable and sometimes fired on the wrong phy or not at all. maybe
this was fixed on v1.2 silicon ? this is not related to the phy per-se
but the SoC silicon it is integrated into.
the PHY driver should be agnostic of the SoC having a functional IRQ
block i think. devictrees for v1.1 SoC silicon should simply not define
an IRQ inside the devicetree and rely on the phy polling done by the
mdio/phy layer.
John
