linux-kernel - [PATCH 1/1] phy: micrel: Fix finding PHY properties in MAC node for KSZ9031.

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Date:	Tue, 22 Dec 2015 11:58:40 +0100
From:	Henri Roosen <henri.roosen@...zinger.com>
To:	<f.fainelli@...il.com>
CC:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<andrew@...n.ch>, Henri Roosen <henri.roosen@...zinger.com>
Subject: [PATCH 1/1] phy: micrel: Fix finding PHY properties in MAC node for KSZ9031.

Commit 651df2183543 ("phy: micrel: Fix finding PHY properties in MAC
 node.") only fixes finding PHY properties in MAC node for KSZ9021. This
commit applies the same fix for KSZ9031.

Signed-off-by: Henri Roosen <henri.roosen@...zinger.com>
---
 drivers/net/phy/micrel.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index e13ad6c..fc6c058 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -470,9 +470,18 @@ static int ksz9031_config_init(struct phy_device *phydev)
                "txd2-skew-ps", "txd3-skew-ps"
        };
        static const char *control_skews[2] = {"txen-skew-ps", "rxdv-skew-ps"};
+       const struct device *dev_walker;

-       if (!of_node && dev->parent->of_node)
-               of_node = dev->parent->of_node;
+       /* The Micrel driver has a deprecated option to place phy OF
+        * properties in the MAC node. Walk up the tree of devices to
+        * find a device with an OF node.
+        */
+       dev_walker = &phydev->dev;
+       do {
+               of_node = dev_walker->of_node;
+               dev_walker = dev_walker->parent;
+
+       } while (!of_node && dev_walker);

        if (of_node) {
                ksz9031_of_load_skew_values(phydev, of_node,
--
2.1.4


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