From patchwork Wed Jun 5 15:13:44 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: 10977203 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 159B676 for ; Wed, 5 Jun 2019 15:15:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 094C728355 for ; Wed, 5 Jun 2019 15:15:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0790E287CD; Wed, 5 Jun 2019 15:15:18 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B136B28355 for ; Wed, 5 Jun 2019 15:15:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728565AbfFEPOp (ORCPT ); Wed, 5 Jun 2019 11:14:45 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:33472 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728200AbfFEPOl (ORCPT ); Wed, 5 Jun 2019 11:14:41 -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 E056715BF; Wed, 5 Jun 2019 08:14:40 -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 612923F246; Wed, 5 Jun 2019 08:14:39 -0700 (PDT) From: Suzuki K Poulose To: linux-kernel@vger.kernel.org Cc: gregkh@linuxfoundation.org, rafael@kernel.org, suzuki.poulose@arm.com, Len Brown , linux-acpi@vger.kernel.org, linux-spi@vger.kernel.org, Mark Brown Subject: [PATCH 07/13] drivers: Add generic match helper by ACPI_COMPANION device Date: Wed, 5 Jun 2019 16:13:44 +0100 Message-Id: <1559747630-28065-8-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> Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a generic helper to match a device by the acpi device. Cc: Len Brown Cc: linux-acpi@vger.kernel.org Cc: linux-spi@vger.kernel.org Cc: Mark Brown 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 b827ca1..597095b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -3346,3 +3346,9 @@ int device_match_devt(struct device *dev, const void *pdevt) return dev->devt == *(dev_t *)pdevt; } EXPORT_SYMBOL_GPL(device_match_devt); + +int device_match_acpi_dev(struct device *dev, const void *adev) +{ + return ACPI_COMPANION(dev) == adev; +} +EXPORT_SYMBOL(device_match_acpi_dev); diff --git a/include/linux/device.h b/include/linux/device.h index f315692..a03b50d 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -166,6 +166,7 @@ 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 device_match_acpi_dev(struct device *dev, const void *adev); int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data, int (*fn)(struct device *dev, void *data));