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Message-ID: <Yynf+PjruR2UxwDE@lunn.ch>
Date: Tue, 20 Sep 2022 17:44:56 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Michael Walle <michael@...le.cc>
Cc: Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Divya Koppera <Divya.Koppera@...rochip.com>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: Re: [PATCH net] net: phy: micrel: fix shared interrupt on LAN8814
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@...le.cc>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
Andrew
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