Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758790Ab3GZROq (ORCPT ); Fri, 26 Jul 2013 13:14:46 -0400 Received: from service87.mimecast.com ([91.220.42.44]:38411 "EHLO service87.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756961Ab3GZROn convert rfc822-to-8bit (ORCPT ); Fri, 26 Jul 2013 13:14:43 -0400 Message-ID: <51F2AB71.3070102@arm.com> Date: Fri, 26 Jul 2013 18:01:37 +0100 From: Sudeep KarkadaNagesha User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 MIME-Version: 1.0 To: "rob.herring@calxeda.com" CC: Sudeep KarkadaNagesha , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "cpufreq@vger.kernel.org" , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , Russell King , Shawn Guo , Gregory Clement , Greg Kroah-Hartman , Viresh Kumar , "Rafael J. Wysocki" , "grant.likely@linaro.org" , Lorenzo Pieralisi , Olof Johansson , Arnd Bergmann Subject: Re: [PATCH v3 07/16] of/device: add helper to get cpu device node from logical cpu index References: <1374069984-20567-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> <1374492747-13879-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> <1374492747-13879-8-git-send-email-Sudeep.KarkadaNagesha@arm.com> In-Reply-To: <1374492747-13879-8-git-send-email-Sudeep.KarkadaNagesha@arm.com> X-MC-Unique: 113072618013006402 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2286 Lines: 72 Rob, On 22/07/13 12:32, Sudeep KarkadaNagesha wrote: > 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. > > Cc: Rob Herring > Signed-off-by: Sudeep KarkadaNagesha If you have no objections with this patch, can I add your ACK ? Regards, Sudeep > --- > 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 */ > -- IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. -- 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/