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Message-ID: <Ye2SznI2rNKAUDIq@lunn.ch>
Date:   Sun, 23 Jan 2022 18:39:26 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Jisheng Zhang <jszhang@...nel.org>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.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] net: stmmac: don't stop RXC during LPI

> I think this is a common issue because the MAC needs phy's RXC for RX
> logic. But it's better to let other stmmac users verify. The issue
> can easily be reproduced on platforms with PHY_POLL external phy.

What is the relevance of PHY polling here? Are you saying if the PHY
is using interrupts you do not see this issue?

     Andrew

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