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Message-Id: <163956661292.16045.5095227847396469452.git-patchwork-notify@kernel.org>
Date: Wed, 15 Dec 2021 11:10:12 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Joakim Zhang <qiangqing.zhang@....com>
Cc: davem@...emloft.net, kuba@...nel.org, andrew@...n.ch,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-imx@....com
Subject: Re: [PATCH V2 net-next] net: fec: fix system hang during suspend/resume
Hello:
This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@...emloft.net>:
On Tue, 14 Dec 2021 18:50:46 +0800 you wrote:
> 1. During normal suspend (WoL not enabled) process, system has posibility
> to hang. The root cause is TXF interrupt coming after clocks disabled,
> system hang when accessing registers from interrupt handler. To fix this
> issue, disable all interrupts when system suspend.
>
> 2. System also has posibility to hang with WoL enabled during suspend,
> after entering stop mode, then magic pattern coming after clocks
> disabled, system will be waked up, and interrupt handler will be called,
> system hang when access registers. To fix this issue, disable wakeup
> irq in .suspend(), and enable it in .resume().
>
> [...]
Here is the summary with links:
- [V2,net-next] net: fec: fix system hang during suspend/resume
https://git.kernel.org/netdev/net-next/c/0b6f65c707e5
You are awesome, thank you!
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