[PATCH net-next v3] net: stmmac: dwmac-qcom-ethqos: Add support for 2.5G SGMII

[Simon Horman]

On Tue, Jan 30, 2024 at 04:42:34PM +0530, Sneh Shah wrote:
> Serdes phy needs to operate at 2500 mode for 2.5G speed and 1000
> mode for 1G/100M/10M speed.
> Added changes to configure serdes phy and mac based on link speed.
> Changing serdes phy speed involves multiple register writes for
> serdes block. To avoid redundant write opertions only update serdes
> phy when new speed is different.

nit: operations

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