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Date:   Sun, 24 Feb 2019 02:00:18 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH v2] net: phy: realtek: Dummy IRQ calls for RTL8366RB

On Sun, Feb 24, 2019 at 01:11:15AM +0100, Linus Walleij wrote:
> This fixes a regression introduced by
> commit 0d2e778e38e0ddffab4bb2b0e9ed2ad5165c4bf7
> "net: phy: replace PHY_HAS_INTERRUPT with a check for
> config_intr and ack_interrupt".
> 
> This assumes that a PHY cannot trigger interrupt unless
> it has .config_intr() or .ack_interrupt() implemented.
> A later patch makes the code assume both need to be
> implemented for interrupts to be present.
> 
> But this PHY (which is inside a DSA) will happily
> fire interrupts without either callback.
> 
> Implement dummy callbacks for .config_intr() and
> .ack_interrupt() in the phy header to fix this.
> 
> Tested on the RTL8366RB on D-Link DIR-685.
> 
> Fixes: 0d2e778e38e0 ("net: phy: replace PHY_HAS_INTERRUPT with a check for config_intr and ack_interrupt")
> Cc: Heiner Kallweit <hkallweit1@...il.com>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

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

    Andrew

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