From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E157BC31E4B for ; Fri, 14 Jun 2019 17:56:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B88422183E for ; Fri, 14 Jun 2019 17:56:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727329AbfFNRzC (ORCPT ); Fri, 14 Jun 2019 13:55:02 -0400 Received: from foss.arm.com ([217.140.110.172]:39414 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727397AbfFNRzC (ORCPT ); Fri, 14 Jun 2019 13:55:02 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9ED5DCFC; Fri, 14 Jun 2019 10:55:01 -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 D092E3F718; Fri, 14 Jun 2019 10:54:59 -0700 (PDT) From: Suzuki K Poulose To: linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, rafael@kernel.org, suzuki.poulose@arm.com, Alexander Shishkin , Arnd Bergmann , Harald Freudenberger , Heiko Carstens , linux-usb@vger.kernel.org, Oliver Neukum , Sebastian Andrzej Siewior , Tomas Winkler , Ulf Hansson , Joe Perches Subject: [PATCH v2 08/28] drivers: Add generic helper to match by device type Date: Fri, 14 Jun 2019 18:54:03 +0100 Message-Id: <1560534863-15115-9-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1560534863-15115-1-git-send-email-suzuki.poulose@arm.com> References: <1560534863-15115-1-git-send-email-suzuki.poulose@arm.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add a helper to match a device by its type. This will be used later for providing wrappers to the device iterators for bus/class/driver. Cc: Alexander Shishkin Cc: Arnd Bergmann Cc: Harald Freudenberger Cc: Heiko Carstens Cc: linux-usb@vger.kernel.org Cc: Oliver Neukum Cc: Sebastian Andrzej Siewior Cc: Tomas Winkler 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 | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/base/core.c b/drivers/base/core.c index efcdb96..b827ca1 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -3340,3 +3340,9 @@ int device_match_fwnode(struct device *dev, const void *fwnode) return dev_fwnode(dev) == fwnode; } EXPORT_SYMBOL_GPL(device_match_fwnode); + +int device_match_devt(struct device *dev, const void *pdevt) +{ + return dev->devt == *(dev_t *)pdevt; +} +EXPORT_SYMBOL_GPL(device_match_devt); diff --git a/include/linux/device.h b/include/linux/device.h index 08aa087..f315692 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -165,6 +165,7 @@ void subsys_dev_iter_exit(struct subsys_dev_iter *iter); int device_match_of_node(struct device *dev, const void *np); int device_match_fwnode(struct device *dev, const void *fwnode); +int device_match_devt(struct device *dev, const void *pdevt); int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, int (*fn)(struct device *dev, void *data)); -- 2.7.4