Re: [PATCH v2 net-next 1/3] net: hibmcge: support scenario without PHY.

[Jijie Shao]

on 2025/6/23 15:32, Andrew Lunn wrote:
> On Mon, Jun 23, 2025 at 11:41:27AM +0800, Jijie Shao wrote:
> > Currently, the driver uses phylib to operate PHY by default.
> >
> > On some boards, the PHY device is separated from the MAC device.
> > As a result, the hibmcge driver cannot operate the PHY device.
> >
> > In this patch, the driver determines whether a PHY is available
> > based on register configuration. If no PHY is available,
> > the driver intercepts phylib operations and operates only MAC device.
>
> The standard way to handle a MAC without a PHY is to use
> fixed_link. It is a fake PHY which follows the usual API, so your MAC
> driver does not need to care there is no PHY.
>
>
>      Andrew


Thank you for the guidance,
I will study and use it.

Thanks
Jijie Shao