From patchwork Tue May 15 21:59:29 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 913960 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="TJhpBSOm"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40ls1V5r1Lz9s0y for ; Wed, 16 May 2018 07:59:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752304AbeEOV7t (ORCPT ); Tue, 15 May 2018 17:59:49 -0400 Received: from mail-qt0-f194.google.com ([209.85.216.194]:37464 "EHLO mail-qt0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751728AbeEOV7l (ORCPT ); Tue, 15 May 2018 17:59:41 -0400 Received: by mail-qt0-f194.google.com with SMTP id q13-v6so2459232qtp.4; Tue, 15 May 2018 14:59:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DZcF4rJSRalKSQK/MrOR1n76NdExVnEKfvbZwxDsk0Y=; b=TJhpBSOm2MtSqoFfczi701qznfXG4G8DyQ/tQbe0ItcMZdV9z9iz9wUhoSl/881MgL WRKIF4NkpF2lyQvH1txvgt9qI5BxrIkLbTons9uDgU/EKjg6gghFPndzM9H3csN78c9w lti4DUlcCePX2uAIPAy9AWwn7Mu9cW6/f6luqKNUHr6zuwrhqWyLBCrtk4Iwwb3tQlqR 4YIjilmwa1tnehnIfiGCYL1neH3aigIhpGE7Tbc0Y0AHNnmYXgP5akI1jvWHY8FdvNQK k+pN5UPKZISeUdjFusOrPCNkW7KIqHHeDqqkQSsVkO+pKD3K7CfJcsHN7pWxg990bM8o FkKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DZcF4rJSRalKSQK/MrOR1n76NdExVnEKfvbZwxDsk0Y=; b=proHg6ejSYOrYYegH/QW29u3NXD4J/5dax5uIAY176wyeE1HxiEl2VJXJueSarniyK 7byUlv3tPvFS6R7yA+mL+zMozSV3AoEX+CtpNvrqn+i56WU9ql3B06u5CyXryeIxv6Jc Uzsj6xBbfL+VUPsvKwrpCIucea7bwFB/HX0HbNT8mSObHrwRWnXGLIuPJ0Om7YSwL2Uv 6khjzPPKm8iyan+40W7C0NH/EGJbdSc3vZj3kRJhbpDVCRddt5bqNpPu/1bM4OOAuW+U ggpLTZ5q+nwTV+7sgLql2zWfioD5YacAVrG30VwcMBcQ8JBTtjgtFsnXUlwjL/Azw1aD 0GUw== X-Gm-Message-State: ALKqPwfNgy6xAiRalDKOXD3VFv0Ri5YT9LS0FXkoG++52VXIVa4yy4pU SqxaoVbjybYGt8KMcB9vExF8nwAZ X-Google-Smtp-Source: AB8JxZovDnSiuEShi/Ug77M62MDPvIanFVY8tyVINOaDRCMZBkr1D1xjPVn+V0/PxDsQbMN6nfhUqA== X-Received: by 2002:ac8:4310:: with SMTP id z16-v6mr14963550qtm.312.1526421580343; Tue, 15 May 2018 14:59:40 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.250]) by smtp.gmail.com with ESMTPSA id g8-v6sm878969qtg.59.2018.05.15.14.59.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 15 May 2018 14:59:39 -0700 (PDT) From: Florian Fainelli To: netdev@vger.kernel.org Cc: Florian Fainelli , Andrew Lunn , Vivien Didelot , "David S. 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_S=C3=B6derlun?= =?utf-8?q?d?= , 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 1/2] of: mdio: Fall back to mdiobus_register() with np is NULL Date: Tue, 15 May 2018 14:59:29 -0700 Message-Id: <20180515215930.12115-2-f.fainelli@gmail.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180515215930.12115-1-f.fainelli@gmail.com> References: <20180515215930.12115-1-f.fainelli@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org When the Device Tree 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 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 8c0c92712fc9..2341dbf675bf 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -204,6 +204,12 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) bool scanphys = false; int addr, rc; + /* If the Device Tree node does not exist, fall back to traditional + * registration + */ + if (!np) + return mdiobus_register(mdio); + /* Do not continue if the node is disabled */ if (!of_device_is_available(np)) return -ENODEV;