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Miller" , Nicolas Ferre , Fugang Duan , Sergei Shtylyov , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Grygorii Strashko , Woojung Huh , Microchip Linux Driver Support , Rob Herring , Frank Rowand , Antoine Tenart , Tobias Jordan , Russell King , Geert Uytterhoeven , Thomas Petazzoni , =?UTF-8?q?Niklas=20S=C3=B6derlund?= , Simon Horman , Maxim Uvarov , Sekhar Nori , linux-kernel@vger.kernel.org (open list), linux-renesas-soc@vger.kernel.org (open list:RENESAS ETHERNET DRIVERS), linux-omap@vger.kernel.org (open list:TI ETHERNET SWITCH DRIVER (CPSW)), linux-usb@vger.kernel.org (open list:USB NETWORKING DRIVERS), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE) Subject: [PATCH net-next v2 1/2] of: mdio: Fall back to mdiobus_register() with NULL device_node Date: Tue, 15 May 2018 16:56:18 -0700 Message-Id: <20180515235619.27773-2-f.fainelli@gmail.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180515235619.27773-1-f.fainelli@gmail.com> References: <20180515235619.27773-1-f.fainelli@gmail.com> Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: When the device_node specified is NULL, fall back to mdiobus_register(). We have a number of drivers having a similar pattern which is: if (np) of_mdiobus_register() else mdiobus_register() so incorporate that behavior within the core of_mdiobus_register() function. This is also consistent with the stub version that we defined when CONFIG_OF=n. Signed-off-by: Florian Fainelli --- drivers/of/of_mdio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 8c0c92712fc9..d963baf8e53a 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -204,6 +204,9 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) bool scanphys = false; int addr, rc; + if (!np) + return mdiobus_register(mdio); + /* Do not continue if the node is disabled */ if (!of_device_is_available(np)) return -ENODEV; -- 2.14.1