linux-kernel - Re: [PATCH] net: stmmac: dwmac-rk: Add runtime PM support

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Date:   Fri, 08 Oct 2021 15:06:31 +0100 (BST)
From:   David Miller <davem@...emloft.net>
To:     hmz007@...il.com
Cc:     peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
        joabreu@...opsys.com, kuba@...nel.org, 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: [PATCH] net: stmmac: dwmac-rk: Add runtime PM support

From: hmz007 <hmz007@...il.com>
Date: Fri,  8 Oct 2021 18:24:10 +0800

> Commit 2d26f6e39afb ("fix unbalanced pm_runtime_enable warnings")
> also enables runtime PM, which affects rk3399 with power-domain.
> 
> After an off-on switch of power-domain, the GMAC doesn't work properly,
> calling rk_gmac_powerup at runtime resume fixes this issue.
> 
> Fixes: 2d26f6e39afb ("net: stmmac: dwmac-rk: fix unbalanced pm_runtime_enable warnings")
> Signed-off-by: hmz007 <hmz007@...il.com>

This patch does not apply to any of the networking trees.