On Fri, Jul 26, 2013 at 12:01 PM, Sudeep KarkadaNagesha
<sudeep.karkadanage...@arm.com> wrote:
> Rob,
>
> On 22/07/13 12:32, Sudeep KarkadaNagesha wrote:
>> From: Sudeep KarkadaNagesha <sudeep.karkadanage...@arm.com>
>>
>> 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 <rob.herr...@calxeda.com>
>> Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanage...@arm.com>
>
> If you have no objections with this patch, can I add your ACK ?
Yes.
Acked-by: Rob Herring <rob.herr...@calxeda.com>
>
> 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 <linux/cpu.h>
>> #include <linux/platform_device.h>
>> #include <linux/of_platform.h> /* 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 */
>>
>
>
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