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From: Andrew Lunn <andrew@lunn.ch>
To: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: netdev@vger.kernel.org, f.fainelli@gmail.com,
	hkallweit1@gmail.com, kernel@pengutronix.de
Subject: Re: [PATCH] net: phy: dp83867: Set FORCE_LINK_GOOD do default after reset
Date: Tue, 14 Jan 2020 14:25:02 +0100	[thread overview]
Message-ID: <20200114132502.GH11788@lunn.ch> (raw)
In-Reply-To: <20200114112425.19967-1-m.grzeschik@pengutronix.de>

Hi Michael

> @@ -635,6 +636,16 @@ static int dp83867_phy_reset(struct phy_device *phydev)
>  
>  	usleep_range(10, 20);
>  
> +	/* After reset FORCE_LINK_GOOD bit is set. Although the
> +	 * default value should be unset. Disable FORCE_LINK_GOOD
> +	 * for the phy to work properly.
> +	 */
> +	val = phy_read(phydev, MII_DP83867_PHYCTRL);
> +	if (val & DP83867_PHYCR_FORCE_LINK_GOOD) {
> +		val &= ~(DP83867_PHYCR_FORCE_LINK_GOOD);
> +		phy_write(phydev, MII_DP83867_PHYCTRL, val);
> +	}

You could use phy_modify().

    Andrew

  reply	other threads:[~2020-01-14 13:25 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-14 11:24 [PATCH] net: phy: dp83867: Set FORCE_LINK_GOOD do default after reset Michael Grzeschik
2020-01-14 13:25 ` Andrew Lunn [this message]
2020-01-14 16:45   ` [PATCH v2] net: phy: dp83867: Set FORCE_LINK_GOOD to " Michael Grzeschik
2020-01-14 19:21     ` Heiner Kallweit
2020-01-15  8:01       ` [PATCH v3] " Michael Grzeschik
2020-01-16 12:57         ` David Miller
2020-01-16 13:16           ` [PATCH v4] " Michael Grzeschik
2020-01-16 23:48             ` Andrew Lunn
2020-01-17 10:37             ` David Miller

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