[PATCH net-next v2 5/6] net: phy: mediatek: add calibration logic for AN7581

[Jakub Kicinski]

On Fri, 24 Jul 2026 21:08:08 +0200 Christian Marangi wrote:
> Airoha AN7581 require dedicated calibration and specific tuneup to make
> the Ethernet port work on specific HW PCB layout.
> 
> The calibration process is similar to Mediatek PHY but Airoha PHY use
> Software calibration process instead of making use of EFUSE.
> 
> It does also require some complex table for TX Amp compensation and
> multiple register settings for EEE and 10/100M to correctly work.
> Also the PHY apply a different TX Amp compensation table based on the
> SoC PDIDR version. Such version info is stored in the SCU SoC registers.
> 
> Add module version as suggested by Airoha to identify the calibration logic
> with a specific version.

Build warning here:

../drivers/net/phy/mediatek/airoha-ge-soc.c:1508:3: warning: variable 'shared' is uninitialized when used here [-Wuninitialized]
 1508 |                 shared->phydev_p0 = phydev;
      |                 ^~~~~~

Sashiko/Gemini has some other review comments so please check before
reposting:
https://sashiko.dev/#/patchset/20260724190811.198339-6-ansuelsmth@gmail.com