Re: [PATCH net-next v2 2/3] net: phy: dp83869: ensure FORCE_LINK_GOOD is cleared

[Andrew Lunn]

On Mon, Nov 10, 2025 at 10:24:54AM +0100, Romain Gantois wrote:
> The FORCE_LINK_GOOD bit in the PHY_CONTROL register forces the reported
> link status to 1 if the selected speed is 1Gbps.
> 
> According to the DP83869 PHY datasheet, this bit should default to 0 after
> a hardware reset. However, the opposite has been observed on some DP83869
> components.
> 
> As a consequence, a valid link will be reported in 1000Base-X operational
> modes, even if the autonegotiation process failed.
> 
> Make sure that the FORCE_LINK_GOOD bit is cleared during initial
> configuration.
> 
> Signed-off-by: Romain Gantois <romain.gantois@xxxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew