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Date:   Thu, 18 Jun 2020 15:04:44 -0700
From:   rentao.bupt@...il.com
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org, taoren@...com
Cc:     Tao Ren <rentao.bupt@...il.com>
Subject: [PATCH net-next] of: mdio: preserve phy dev_flags in of_phy_connect()

From: Tao Ren <rentao.bupt@...il.com>

Replace assignment "=" with OR "|=" for "phy->dev_flags" so "dev_flags"
configured in phy probe() function can be preserved.

The idea is similar to commit e7312efbd5de ("net: phy: modify assignment
to OR for dev_flags in phy_attach_direct").

Signed-off-by: Tao Ren <rentao.bupt@...il.com>
---
 drivers/of/of_mdio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index a04afe79529c..f5c46c72f4d3 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -380,7 +380,7 @@ struct phy_device *of_phy_connect(struct net_device *dev,
 	if (!phy)
 		return NULL;
 
-	phy->dev_flags = flags;
+	phy->dev_flags |= flags;
 
 	ret = phy_connect_direct(dev, phy, hndlr, iface);
 
-- 
2.17.1

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