From: Andrew Lunn <andrew@lunn.ch>
To: Felix Riemann <felix.riemann@sma.de>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] net: phy: dp83822: disable MDI crossover status change interrupt
Date: Tue, 18 Oct 2022 14:42:11 +0200 [thread overview]
Message-ID: <Y06fI9OSvRjPe0Cd@lunn.ch> (raw)
In-Reply-To: <20221018104755.30025-1-svc.sw.rte.linux@sma.de>
On Tue, Oct 18, 2022 at 12:47:54PM +0200, Felix Riemann wrote:
> From: Felix Riemann <felix.riemann@sma.de>
>
> If the cable is disconnected the PHY seems to toggle between MDI and
> MDI-X modes. With the MDI crossover status interrupt active this causes
> roughly 10 interrupts per second.
Make sense, it is trying to find the RX pair...
>
> As the crossover status isn't checked by the driver, the interrupt can
> be disabled to reduce the interrupt load.
>
> Fixes: 87461f7a58ab ("net: phy: DP83822 initial driver submission")
> Signed-off-by: Felix Riemann <felix.riemann@sma.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
next prev parent reply other threads:[~2022-10-18 12:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 10:47 [PATCH net] net: phy: dp83822: disable MDI crossover status change interrupt Felix Riemann
2022-10-18 12:42 ` Andrew Lunn [this message]
2022-10-20 3:10 ` patchwork-bot+netdevbpf
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