Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750994Ab3HTJee (ORCPT ); Tue, 20 Aug 2013 05:34:34 -0400 Received: from service87.mimecast.com ([91.220.42.44]:34587 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064Ab3HTJaP (ORCPT ); Tue, 20 Aug 2013 05:30:15 -0400 From: Sudeep KarkadaNagesha To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Sudeep.KarkadaNagesha@arm.com, Viresh Kumar , Greg Kroah-Hartman , Benjamin Herrenschmidt , Jonas Bonn , Michal Simek , "Rafael J. Wysocki" , Grant Likely , Rob Herring , Sudeep KarkadaNagesha Subject: [PATCH v4 07/19] of/device: add helper to get cpu device node from logical cpu index Date: Tue, 20 Aug 2013 10:30:09 +0100 Message-Id: <1376991021-12160-8-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1376991021-12160-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> References: <1374492747-13879-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> <1376991021-12160-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-OriginalArrivalTime: 20 Aug 2013 09:30:12.0490 (UTC) FILETIME=[DED3EEA0:01CE9D87] X-MC-Unique: 113082010301304201 Content-Type: text/plain; charset=WINDOWS-1252 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id r7K9ZZqA012361 Content-Length: 1706 Lines: 62 From: Sudeep KarkadaNagesha Multiple drivers need to get the cpu device node from the cpu logical index and then access the of_node. This patch adds helper function to fetch the device node directly. Acked-by: Rob Herring Signed-off-by: Sudeep KarkadaNagesha --- include/linux/of_device.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 9d27475..82ce324 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -1,6 +1,7 @@ #ifndef _LINUX_OF_DEVICE_H #define _LINUX_OF_DEVICE_H +#include #include #include /* temporary until merge */ @@ -43,6 +44,15 @@ static inline void of_device_node_put(struct device *dev) of_node_put(dev->of_node); } +static inline struct device_node *of_cpu_device_node_get(int cpu) +{ + struct device *cpu_dev; + cpu_dev = get_cpu_device(cpu); + if (!cpu_dev) + return NULL; + return of_node_get(cpu_dev->of_node); +} + #else /* CONFIG_OF */ static inline int of_driver_match_device(struct device *dev, @@ -67,6 +77,11 @@ static inline const struct of_device_id *of_match_device( { return NULL; } + +static inline struct device_node *of_cpu_device_node_get(int cpu) +{ + return NULL; +} #endif /* CONFIG_OF */ #endif /* _LINUX_OF_DEVICE_H */ -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/