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

[Alexandru Elisei]

Hi Punit,

On Fri, Oct 08, 2021 at 12:17:48PM +0900, Punit Agrawal wrote:
> Alexandru Elisei <alexandru.elisei at arm.com> writes:
> 
> > (Sorry I'm sending this to the wrong person, this is what I got
> > scripts/get_maintainer.pl for the file touched by the commit)
> >
> > 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 current master (commit 0513e464f900
> > ("Merge tag 'perf-tools-fixes-for-v5.15-2021-09-27' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux")) and the network card
> > was working as expected.
> >
> > It goes without saying that I can help with testing the fix and
> > further diagnosing.
> 
> A fix was recently merged for this (see aec3f415f724 ("net: stmmac:
> dwmac-rk: Fix ethernet on rk3399 based devices") and should show up in
> the next rc. Please shout out if that doesn't fix the broken ethernet
> for you.

I can confirm that it's now working, many thanks.

Alex

> 
> Thanks,
> Punit
>