Hi Andrew,
On 31/10/23 6:18 pm, Andrew Lunn wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
>>>> + tc6->mdiobus = mdiobus_alloc();
>>>> + if (!tc6->mdiobus) {
>>>> + netdev_err(tc6->netdev, "MDIO bus alloc failed\n");
>>>> + return -ENODEV;
>>>> + }
>>>> +
>>>> + tc6->mdiobus->phy_mask = ~(u32)BIT(1);
>>>
>>> Does the standard define this ? BIT(1), not BIT(0)?
>> Ok, I think here is a typo. Will correct it.
>
> There is still the open question, does the standard define this? If
> not, a vendor might decide to use some other address, not 0. So it
> might be better to not set a mask and scan the whole bus.
> phy_find_first() should then work, no matter what address it is using.
The standard doesn't define anything about this. Ok I agree with this,
and remove the phy_mask and leave the phy_find_first() to find the phy.
Best Regards,
Parthiban V
>
> Andrew
