[PATCH net 1/3] net: phy: realtek: add eee advertisement disable options

Andrew Lunn andrew at lunn.ch
Tue Nov 15 08:30:36 PST 2016


On Tue, Nov 15, 2016 at 03:29:12PM +0100, Jerome Brunet wrote:
> On some platforms, energy efficient ethernet with rtl8211 devices is
> causing issue, like throughput drop or broken link.
> 
> This was reported on the OdroidC2 (DWMAC + RTL8211F). While the issue root
> cause is not fully understood yet, disabling EEE advertisement prevent auto
> negotiation from enabling EEE.
> 
> This patch provides options to disable 1000T and 100TX EEE advertisement
> individually for the realtek phys supporting this feature.

Looking at the code, i don't see anything specific to RealTek
here. This all seems generic. So should it be in phy.c and made a
generic OF property which can be applied to any PHY which supports
EEE.

      Andrew



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