Re: [PATCH 2/2] net: ethernet: fsl: add phy reset after clk enable option
From: Andrew Lunn
Date: Thu Jul 06 2017 - 09:56:06 EST
> diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
> index 6f55bdd..1766579 100644
> --- a/Documentation/devicetree/bindings/net/fsl-fec.txt
> +++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
> @@ -23,6 +23,9 @@ Optional properties:
> - phy-handle : phandle to the PHY device connected to this device.
> - fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
> Use instead of phy-handle.
> +- phy-reset-after-clk-enable : If present then a phy reset and configuration
> + will be performed everytime after the clocks are enabled. This is required
> + for some PHYs to work properly.
It sounds like this issue will apply to any LAN8710 which has its
clock fiddled with. So this should be a centrally documented property,
which any MAC driver can implement. Please move the above text to
ethernet.txt, and instead have:
- phy-reset-after-clk-enable : See ethernet.txt