linux-kernel - Re: [PATCH net-next v3 3/4] net: phy: smsc: LAN8710/20: add PHY_RST_AFTER_CLK

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Message-ID: <20171205173551.GO12805@lunn.ch>
Date:   Tue, 5 Dec 2017 18:35:51 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Richard Leitner <dev@...l1n.net>
Cc:     robh+dt@...nel.org, mark.rutland@....com, fugang.duan@....com,
        f.fainelli@...il.com, frowand.list@...il.com, davem@...emloft.net,
        geert+renesas@...der.be, sergei.shtylyov@...entembedded.com,
        baruch@...s.co.il, david.wu@...k-chips.com, lukma@...x.de,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, richard.leitner@...data.com
Subject: Re: [PATCH net-next v3 3/4] net: phy: smsc: LAN8710/20: add
 PHY_RST_AFTER_CLK_EN flag

On Tue, Dec 05, 2017 at 02:25:59PM +0100, Richard Leitner wrote:
> From: Richard Leitner <richard.leitner@...data.com>
> 
> The Microchip/SMSC LAN8710/LAN8720 PHYs need (according to their
> datasheet [1]) a continuous REF_CLK when configured to "REF_CLK In Mode".
> Therefore set the PHY_RST_AFTER_CLK_EN flag for those PHYs to let the
> ETH driver reset them after the REF_CLK is enabled.
> 
> [1] http://ww1.microchip.com/downloads/en/DeviceDoc/00002165B.pdf
> 
> Signed-off-by: Richard Leitner <richard.leitner@...data.com>

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

    Andrew