Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Tue, 20 Sep 2022 17:44:56 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Michael Walle <michael@walle.cc>
Cc:     Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        "David S . Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Divya Koppera <Divya.Koppera@microchip.com>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        Horatiu Vultur <horatiu.vultur@microchip.com>
Subject: Re: [PATCH net] net: phy: micrel: fix shared interrupt on LAN8814
Message-ID: <Yynf+PjruR2UxwDE@lunn.ch>
References: <20220920141619.808117-1-michael@walle.cc>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220920141619.808117-1-michael@walle.cc>
Precedence: bulk

On Tue, Sep 20, 2022 at 04:16:19PM +0200, Michael Walle wrote:
> Since commit ece19502834d ("net: phy: micrel: 1588 support for LAN8814
> phy") the handler always returns IRQ_HANDLED, except in an error case.
> Before that commit, the interrupt status register was checked and if
> it was empty, IRQ_NONE was returned. Restore that behavior to play nice
> with the interrupt line being shared with others.
> 
> Fixes: ece19502834d ("net: phy: micrel: 1588 support for LAN8814 phy")
> Signed-off-by: Michael Walle <michael@walle.cc>

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

    Andrew