linux-kernel - Re: [BUG RESEND] net: stmmac: dwmac-rk: Ethernet broken on rockpro64 by commit 2d26f6e39afb ("net: stmmac: dwmac-rk: fix unbalanced pm_runtime

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Message-ID: <20211006173332.7dc69822@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Wed, 6 Oct 2021 17:33:32 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Alexandru Elisei <alexandru.elisei@....com>
Cc:     davem@...emloft.net, michael.riesch@...fvision.net,
        peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
        joabreu@...opsys.com, mcoquelin.stm32@...il.com,
        p.zabel@...gutronix.de, lgirdwood@...il.com, broonie@...nel.org,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [BUG RESEND] net: stmmac: dwmac-rk: Ethernet broken on
 rockpro64 by commit 2d26f6e39afb ("net: stmmac: dwmac-rk: fix unbalanced
 pm_runtime_enable warnings")

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@...r.kernel.org 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.