netdev - Re: [PATCH net] net: sfp: fix state loss when updating state_hw

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Date:   Sun, 19 Mar 2023 11:10:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Russell King (Oracle) <rmk+kernel@...linux.org.uk>
Cc:     andrew@...n.ch, hkallweit1@...il.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net] net: sfp: fix state loss when updating state_hw_mask

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Fri, 17 Mar 2023 07:28:00 +0000 you wrote:
> Andrew reports that the SFF modules on one of the ZII platforms do not
> indicate link up due to the SFP code believing that LOS indicating that
> there is no signal being received from the remote end, but in fact the
> LOS signal is showing that there is signal.
> 
> What makes SFF modules different from SFPs is they typically have an
> inverted LOS, which uncovered this issue. When we read the hardware
> state, we mask it with state_hw_mask so we ignore anything we're not
> interested in. However, we don't re-read when state_hw_mask changes,
> leading to sfp->state being stale.
> 
> [...]

Here is the summary with links:
  - [net] net: sfp: fix state loss when updating state_hw_mask
    https://git.kernel.org/netdev/net/c/04361b8bb818

You are awesome, thank you!
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