linux-kernel - Re: [PATCH v4] net: stmmac: fix FPE events losing

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Message-Id: <170174402518.31470.16495979069997859149.git-patchwork-notify@kernel.org>
Date:   Tue, 05 Dec 2023 02:40:25 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jianheng Zhang <Jianheng.Zhang@...opsys.com>
Cc:     alexandre.torgue@...s.st.com, Jose.Abreu@...opsys.com,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, mcoquelin.stm32@...il.com, horms@...nel.org,
        ahalaney@...hat.com, bartosz.golaszewski@...aro.org,
        shenwei.wang@....com, j.zink@...gutronix.de,
        rmk+kernel@...linux.org.uk, jh@...neberg-systemdesign.com,
        weifeng.voon@...el.com, mohammad.athari.ismail@...el.com,
        boon.leong.ong@...el.com, tee.min.tan@...el.com,
        James.Li1@...opsys.com, Martin.McKenny@...opsys.com,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] net: stmmac: fix FPE events losing

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 1 Dec 2023 03:22:03 +0000 you wrote:
> The status bits of register MAC_FPE_CTRL_STS are clear on read. Using
> 32-bit read for MAC_FPE_CTRL_STS in dwmac5_fpe_configure() and
> dwmac5_fpe_send_mpacket() clear the status bits. Then the stmmac interrupt
> handler missing FPE event status and leads to FPE handshaking failure and
> retries.
> To avoid clear status bits of MAC_FPE_CTRL_STS in dwmac5_fpe_configure()
> and dwmac5_fpe_send_mpacket(), add fpe_csr to stmmac_fpe_cfg structure to
> cache the control bits of MAC_FPE_CTRL_STS and to avoid reading
> MAC_FPE_CTRL_STS in those methods.
> 
> [...]

Here is the summary with links:
  - [v4] net: stmmac: fix FPE events losing
    https://git.kernel.org/netdev/net/c/37e4b8df27bc

You are awesome, thank you!
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