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

[Andrew Lunn]

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

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