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Date:   Wed, 3 Jun 2020 18:19:05 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     "Ahmed S. Darwish" <a.darwish@linutronix.de>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>, Will Deacon <will@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        "Paul E. McKenney" <paulmck@kernel.org>,
        "Sebastian A. Siewior" <bigeasy@linutronix.de>,
        Steven Rostedt <rostedt@goodmis.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>, netdev@vger.kernel.org
Subject: Re: [PATCH v2 2/6] net: phy: fixed_phy: Remove unused seqcount
Message-ID: <20200603161905.GE869823@lunn.ch>
References: <20200603144949.1122421-1-a.darwish@linutronix.de>
 <20200603144949.1122421-3-a.darwish@linutronix.de>
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On Wed, Jun 03, 2020 at 04:49:45PM +0200, Ahmed S. Darwish wrote:
> Commit bf7afb29d545 ("phy: improve safety of fixed-phy MII register
> reading") protected the fixed PHY status with a sequence counter.
> 
> Two years later, commit d2b977939b18 ("net: phy: fixed-phy: remove
> fixed_phy_update_state()") removed the sequence counter's write side
> critical section -- neutralizing its read side retry loop.
> 
> Remove the unused seqcount.
> 
> Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew