From patchwork Wed Jun 5 15:13:41 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suzuki K Poulose X-Patchwork-Id: 10978709 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C6BE013AD for ; Thu, 6 Jun 2019 07:04:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B593C22BF1 for ; Thu, 6 Jun 2019 07:04:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A9BA728786; Thu, 6 Jun 2019 07:04:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D85F222BF1 for ; Thu, 6 Jun 2019 07:04:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 000908941D; Thu, 6 Jun 2019 07:03:47 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by gabe.freedesktop.org (Postfix) with ESMTP id 7412689C84 for ; Wed, 5 Jun 2019 15:14:34 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 5092115BF; Wed, 5 Jun 2019 08:14:34 -0700 (PDT) Received: from en101.cambridge.arm.com (en101.cambridge.arm.com [10.1.196.93]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 0B1963F246; Wed, 5 Jun 2019 08:14:28 -0700 (PDT) From: Suzuki K Poulose To: linux-kernel@vger.kernel.org Subject: [PATCH 04/13] drivers: Add generic helper to match by of_node Date: Wed, 5 Jun 2019 16:13:41 +0100 Message-Id: <1559747630-28065-5-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1559747630-28065-1-git-send-email-suzuki.poulose@arm.com> References: <1559747630-28065-1-git-send-email-suzuki.poulose@arm.com> X-Mailman-Approved-At: Thu, 06 Jun 2019 07:03:45 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Thor Thayer , rafael@kernel.org, David Airlie , linux-fpga@vger.kernel.org, Ulf Hansson , dri-devel@lists.freedesktop.org, Thierry Reding , Srinivas Kandagatla , linux-i2c@vger.kernel.org, Lee Jones , Florian Fainelli , Peter Rosin , Frank Rowand , Alan Tull , Jonathan Hunter , Maxime Ripard , Wolfram Sang , Jiri Slaby , devicetree@vger.kernel.org, suzuki.poulose@arm.com, Mark Brown , Moritz Fischer , Mathieu Poirier , gregkh@linuxfoundation.org, Liam Girdwood , linux-spi@vger.kernel.org, Rob Herring , Joe Perches , "David S. Miller" , Heiner Kallweit MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add a helper to match device by the of_node. This will be later used to provide generic lookup functions by of_node. Cc: Alan Tull Cc: Andrew Lunn Cc: Daniel Vetter Cc: David Airlie Cc: "David S. Miller" Cc: devicetree@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: Florian Fainelli Cc: Frank Rowand Cc: Greg Kroah-Hartman Cc: Heiner Kallweit Cc: Jiri Slaby Cc: Jonathan Hunter Cc: Lee Jones Cc: Liam Girdwood Cc: linux-fpga@vger.kernel.org Cc: linux-i2c@vger.kernel.org Cc: linux-spi@vger.kernel.org Cc: Maarten Lankhorst Cc: Mark Brown Cc: Mathieu Poirier Cc: Maxime Ripard Cc: Moritz Fischer Cc: Peter Rosin Cc: Rob Herring Cc: Srinivas Kandagatla Cc: Thierry Reding Cc: Thor Thayer Cc: Wolfram Sang Cc: "Rafael J. Wysocki" Cc: Greg Kroah-Hartman Cc: Ulf Hansson Cc: Joe Perches Signed-off-by: Suzuki K Poulose --- drivers/base/core.c | 6 ++++++ include/linux/device.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/base/core.c b/drivers/base/core.c index fd7511e..9211908 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -3328,3 +3328,9 @@ void device_set_of_node_from_dev(struct device *dev, const struct device *dev2) dev->of_node_reused = true; } EXPORT_SYMBOL_GPL(device_set_of_node_from_dev); + +int device_match_of_node(struct device *dev, const void *np) +{ + return dev->of_node == np; +} +EXPORT_SYMBOL_GPL(device_match_of_node); diff --git a/include/linux/device.h b/include/linux/device.h index 4d7c881..7093085 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -163,6 +163,8 @@ void subsys_dev_iter_init(struct subsys_dev_iter *iter, struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter); void subsys_dev_iter_exit(struct subsys_dev_iter *iter); +int device_match_of_node(struct device *dev, const void *np); + int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, int (*fn)(struct device *dev, void *data)); struct device *bus_find_device(struct bus_type *bus, struct device *start,