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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 3EAA9C04AB5 for ; Mon, 3 Jun 2019 15:51:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 13C2E2781E for ; Mon, 3 Jun 2019 15:51:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729276AbfFCPvg (ORCPT ); Mon, 3 Jun 2019 11:51:36 -0400 Received: from foss.arm.com ([217.140.101.70]:53740 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729112AbfFCPva (ORCPT ); Mon, 3 Jun 2019 11:51:30 -0400 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 03A461A25; Mon, 3 Jun 2019 08:51:30 -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 17D1A3F246; Mon, 3 Jun 2019 08:51:28 -0700 (PDT) From: Suzuki K Poulose To: linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, rafael@kernel.org, suzuki.poulose@arm.com Subject: [RFC PATCH 21/57] drivers: Add generic match helper by ACPI_COMPANION device Date: Mon, 3 Jun 2019 16:49:47 +0100 Message-Id: <1559577023-558-22-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1559577023-558-1-git-send-email-suzuki.poulose@arm.com> References: <1559577023-558-1-git-send-email-suzuki.poulose@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a generic helper to match a device by the acpi device. Cc: Greg Kroah-Hartman Cc: "Rafael J. Wysocki" 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 9df812f..db19185 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -3335,6 +3335,12 @@ int device_match_of_node(struct device *dev, void *np) } EXPORT_SYMBOL_GPL(device_match_of_node); +int device_match_acpi_dev(struct device *dev, void *adev) +{ + return ACPI_COMPANION(dev) == adev; +} +EXPORT_SYMBOL(device_match_acpi_dev); + int device_match_fwnode(struct device *dev, void *fwnode) { return dev_fwnode(dev) == fwnode; diff --git a/include/linux/device.h b/include/linux/device.h index 83c0745..6ad1a27 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -164,6 +164,7 @@ 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, void *np); +int device_match_acpi_dev(struct device *dev, void *adev); int device_match_fwnode(struct device *dev, void *fwnode); int device_match_devt(struct device *dev, void *pdevt); -- 2.7.4