linux-kernel - Re: [PATCH net-next] net: phy: micrel: make sure the factory test bit is cleared

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Date:   Mon, 29 Apr 2019 23:17:44 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     antoine.tenart@...tlin.com
Cc:     andrew@...n.ch, f.fainelli@...il.com, hkallweit1@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        thomas.petazzoni@...tlin.com, nicolas.ferre@...rochip.com,
        ludovic.desroches@...rochip.com, alexandre.belloni@...tlin.com
Subject: Re: [PATCH net-next] net: phy: micrel: make sure the factory test
 bit is cleared

From: Antoine Tenart <antoine.tenart@...tlin.com>
Date: Fri, 26 Apr 2019 18:41:23 +0200

> The KSZ8081 PHY has a factory test mode which is set at the de-assertion
> of the reset line based on the RXER (KSZ8081RNA/RND) or TXC
> (KSZ8081MNX/RNB) pin. If a pull-down is missing, or if the pin has a
> pull-up, the factory test mode should be cleared by manually writing a 0
> (according to the datasheet). This patch makes sure this factory test
> bit is cleared in config_init().
> 
> Tested-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com>

Applied.