linux-kernel - [PATCH net-next v4 1/2] net: phy: modify assignment to OR for dev_flags in phy_attach

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Date:   Tue, 6 Aug 2019 14:09:23 -0700
From:   Tao Ren <taoren@...com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Arun Parameswaran <arun.parameswaran@...adcom.com>,
        Justin Chen <justinpopo6@...il.com>,
        Vladimir Oltean <olteanv@...il.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <openbmc@...ts.ozlabs.org>
CC:     Tao Ren <taoren@...com>
Subject: [PATCH net-next v4 1/2] net: phy: modify assignment to OR for dev_flags in phy_attach_direct

Modify the assignment to OR when dealing with phydev->dev_flags in
phy_attach_direct function, and this is to make sure dev_flags set in
driver's probe callback won't be lost.

Suggested-by: Andrew Lunn <andrew@...n.ch>
CC: Heiner Kallweit <hkallweit1@...il.com>
CC: Vladimir Oltean <olteanv@...il.com>
Signed-off-by: Tao Ren <taoren@...com>
---
 Changes:
  - nothing is changed in v1/v2/v3: it's given v4 to align with v4 of the
    2nd patch in the series.

 drivers/net/phy/phy_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 6b5cb87f3866..9259eb45c794 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1270,7 +1270,7 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
 			phydev_err(phydev, "error creating 'phy_standalone' sysfs entry\n");
 	}
 
-	phydev->dev_flags = flags;
+	phydev->dev_flags |= flags;
 
 	phydev->interface = interface;
 
-- 
2.17.1