linux-kernel - Re: [PATCH v2] net: macb: ensure the device is available before accessing GEMGXL control registers

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Message-Id: <162181201014.2631.11068199845594648051.git-patchwork-notify@kernel.org>
Date:   Sun, 23 May 2021 23:20:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Zong Li <zong.li@...ive.com>
Cc:     nicolas.ferre@...rochip.com, claudiu.beznea@...rochip.com,
        davem@...emloft.net, kuba@...nel.org, f.fainelli@...il.com,
        palmer@...belt.com, paul.walmsley@...ive.com,
        schwab@...ux-m68k.org, sboyd@...nel.org, aou@...s.berkeley.edu,
        mturquette@...libre.com, geert@...ux-m68k.org, yixun.lan@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2] net: macb: ensure the device is available before accessing
 GEMGXL control registers

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Sat, 22 May 2021 17:16:11 +0800 you wrote:
> If runtime power menagement is enabled, the gigabit ethernet PLL would
> be disabled after macb_probe(). During this period of time, the system
> would hang up if we try to access GEMGXL control registers.
> 
> We can't put runtime_pm_get/runtime_pm_put/ there due to the issue of
> sleep inside atomic section (7fa2955ff70ce453 ("sh_eth: Fix sleeping
> function called from invalid context"). Add netif_running checking to
> ensure the device is available before accessing GEMGXL device.
> 
> [...]

Here is the summary with links:
  - [v2] net: macb: ensure the device is available before accessing GEMGXL control registers
    https://git.kernel.org/netdev/net/c/5eff1461a6de

You are awesome, thank you!
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