On Sun, May 8, 2022 at 8:53 PM Colin Foster
[off-list ref] wrote:

There are a few Ocelot chips that contain the logic for this bus, but are
controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In
the externally controlled configurations these registers are not
memory-mapped.

Add support for these non-memory-mapped configurations.

...

+               res = platform_get_resource(pdev, IORESOURCE_REG, 0);
+               if (!res) {
+                       dev_err(dev, "Unable to get MIIM resource\n");
+                       return -ENODEV;

return dev_err_probe(...); ?

+               }

...

+       if (IS_ERR(phy_regmap)) {
+               dev_err(dev, "Unable to create phy register regmap\n");
+               return PTR_ERR(phy_regmap);

Ditto.

        }

-- 
With Best Regards,
Andy Shevchenko