Re: [PATCH net-master 1/1] net: phy: dp83867: Add speed optimization feature

From: Jakub Kicinski
Date: Fri Jan 31 2020 - 12:10:07 EST


On Fri, 31 Jan 2020 09:11:10 -0600, Dan Murphy wrote:
> Set the speed optimization bit on the DP83867 PHY.
> This feature can also be strapped on the 64 pin PHY devices
> but the 48 pin devices do not have the strap pin available to enable
> this feature in the hardware. PHY team suggests to have this bit set.
>
> With this bit set the PHY will auto negotiate and report the link
> parameters in the PHYSTS register and not in the BMCR. So we need to
> over ride the genphy_read_status with a DP83867 specific read status.
>
> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>

While we wait for the PHY folk to take a look, could you please
provide a Fixes tag?