From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751791AbdLBE2A (ORCPT ); Fri, 1 Dec 2017 23:28:00 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:40364 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751481AbdLBE1x (ORCPT ); Fri, 1 Dec 2017 23:27:53 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B446A60818 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: dmaengine@vger.kernel.org, timur@codeaurora.org, devicetree@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , "Rafael J. Wysocki" , Len Brown , linux-acpi@vger.kernel.org (open list:ACPI), linux-kernel@vger.kernel.org (open list) Subject: [PATCH V5 2/7] ACPI / bus: Introduce acpi_get_match_data() function Date: Fri, 1 Dec 2017 23:27:39 -0500 Message-Id: <1512188864-773-3-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1512188864-773-1-git-send-email-okaya@codeaurora.org> References: <1512188864-773-1-git-send-email-okaya@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org OF has of_device_get_match_data() function to extract driver specific data structure. Add a similar function for ACPI. Signed-off-by: Sinan Kaya --- drivers/acpi/bus.c | 13 +++++++++++++ include/linux/acpi.h | 8 ++++++++ 2 files changed, 21 insertions(+) diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 4d0979e..05d8d9a 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -785,6 +785,19 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, } EXPORT_SYMBOL_GPL(acpi_match_device); +void *acpi_get_match_data(struct acpi_device *device, + const struct acpi_device_id *ids) +{ + const struct acpi_device_id *match; + + match = __acpi_match_device(device, ids, NULL); + if (!match) + return NULL; + + return (void *)match->driver_data; +} +EXPORT_SYMBOL_GPL(acpi_get_match_data); + int acpi_match_device_ids(struct acpi_device *device, const struct acpi_device_id *ids) { diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 502af53..196bc7a 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -584,6 +584,8 @@ extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev); +void *acpi_get_match_data(struct acpi_device *device, + const struct acpi_device_id *ids); extern bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv); int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); @@ -755,6 +757,12 @@ static inline const struct acpi_device_id *acpi_match_device( return NULL; } +static inline void *acpi_get_match_data(struct acpi_device *device, + const struct acpi_device_id *ids) +{ + return NULL; +} + static inline bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv) { -- 1.9.1