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Date:   Wed, 13 Feb 2019 20:44:57 -0800 (PST)
From:   David Miller <>
Subject: Re: [PATCH net] net: phy: fix interrupt handling in non-started

From: Heiner Kallweit <>
Date: Tue, 12 Feb 2019 19:56:15 +0100

> phylib enables interrupts before phy_start() has been called, and if
> we receive an interrupt in a non-started state, the interrupt handler
> returns IRQ_NONE. This causes problems with at least one Marvell chip
> as reported by Andrew.
> Fix this by handling interrupts the same as in phy_mac_interrupt(),
> basically always running the phylib state machine. It knows when it
> has to do something and when not.
> This change allows to handle interrupts gracefully even if they
> occur in a non-started state.
> Fixes: 2b3e88ea6528 ("net: phy: improve phy state checking")
> Reported-by: Andrew Lunn <>
> Signed-off-by: Heiner Kallweit <>

Applied, thanks Heiner.

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