Re: [BUG RESEND] net: stmmac: dwmac-rk: Ethernet broken on rockpro64 by commit 2d26f6e39afb ("net: stmmac: dwmac-rk: fix unbalanced pm_runtime_enable warnings")

From: Jakub Kicinski
Date: Wed Oct 06 2021 - 20:33:39 EST


On Wed, 6 Oct 2021 16:58:11 +0100 Alexandru Elisei wrote:
> Resending this because my previous email client inserted HTML into the email,
> which was then rejected by the linux-kernel@xxxxxxxxxxxxxxx spam filter.
>
> After commit 2d26f6e39afb ("net: stmmac: dwmac-rk: fix unbalanced
> pm_runtime_enable warnings"), the network card on my rockpro64-v2 was left
> unable to get a DHCP lease from the network. The offending commit was found by
> bisecting the kernel; I tried reverting the commit from v5.15-rc4 and the
> network card started working as expected.

We have this queued up in netdev/net:

aec3f415f724 ("net: stmmac: dwmac-rk: Fix ethernet on rk3399 based devices")

It should hit stable soon.