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SubjectRE: [PATCH v5 4/5] net: macb: add support for high speed interface
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>> >>  	switch (state->interface) {
>> >> case PHY_INTERFACE_MODE_NA:
>> >> + case PHY_INTERFACE_MODE_USXGMII:
>> >> + case PHY_INTERFACE_MODE_10GKR:
>> >> + if (bp->caps & MACB_CAPS_GIGABIT_MODE_AVAILABLE) {
>> >> + phylink_set(mask, 10000baseCR_Full);
>> >> + phylink_set(mask, 10000baseER_Full);
>> >> + phylink_set(mask, 10000baseKR_Full);
>> >> + phylink_set(mask, 10000baseLR_Full);
>> >> + phylink_set(mask, 10000baseLRM_Full);
>> >> + phylink_set(mask, 10000baseSR_Full);
>> >> + phylink_set(mask, 10000baseT_Full);
>> >> + phylink_set(mask, 5000baseT_Full);
>> >> + phylink_set(mask, 2500baseX_Full);
>> >> + phylink_set(mask, 1000baseX_Full);
>> >> + }
>> >If MACB_CAPS_GIGABIT_MODE_AVAILABLE is not set, are these interface
>> >modes supported by the hardware? If the PHY interface mode is not
>> >supported, then the returned support mask must be cleared.[]
>> There are some configs which uses this macro to limit data rate to 100M
>> even if hardware support higher rates.
>I'm sorry, this response does not address my statement, maybe I wasn't
>clear enough. I am asking about the *PHY* interface modes, in
>other words (e.g.) PHY_INTERFACE_MODE_USXGMII.

If interface is not supported by hardware probe returns with error, so net
device is not registered at all.

Regards,
Parshuram Thombare

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