Re: [PATCH v2] net: phy: dp83867: fix hfs boot in rgmii mode

From: David Miller
Date: Sat Dec 07 2019 - 14:57:57 EST


From: Grygorii Strashko <grygorii.strashko@xxxxxx>
Date: Fri, 6 Dec 2019 14:34:32 +0200

> The commit ef87f7da6b28 ("net: phy: dp83867: move dt parsing to probe")
> causes regression on TI dra71x-evm and dra72x-evm, where DP83867 PHY is
> used in "rgmii-id" mode - the networking stops working.
> Unfortunately, it's not enough to just move DT parsing code to .probe() as
> it depends on phydev->interface value, which is set to correct value abter
> the .probe() is completed and before calling .config_init(). So, RGMII
> configuration can't be loaded from DT.
>
> To fix and issue
> - move RGMII validation code to .config_init()
> - parse RGMII parameters in dp83867_of_init(), but consider them as
> optional.
>
> Fixes: ef87f7da6b28 ("net: phy: dp83867: move dt parsing to probe")
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
> ---
> v2:
> - fixed comments in code

Applied.