[PATCH v4 06/19] driver/core: cpu: initialize of_node in cpu's device struture

Greg Kroah-Hartman gregkh at linuxfoundation.org
Wed Aug 21 01:18:52 EST 2013


On Tue, Aug 20, 2013 at 10:30:08AM +0100, Sudeep KarkadaNagesha wrote:
> From: Sudeep KarkadaNagesha <sudeep.karkadanagesha at arm.com>
> 
> CPUs are also registered as devices but the of_node in these cpu
> devices are not initialized. Currently different drivers requiring
> to access cpu device node are parsing the nodes themselves and
> initialising the of_node in cpu device.
> 
> The of_node in all the cpu devices needs to be initialized properly
> and at one place. The best place to update this is CPU subsystem
> driver when registering the cpu devices.
> 
> The OF/DT core library now provides of_get_cpu_node to retrieve a cpu
> device node for a given logical index by abstracting the architecture
> specific details.
> 
> This patch uses of_get_cpu_node to assign of_node when registering the
> cpu devices.
> 
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Acked-by: Rob Herring <rob.herring at calxeda.com>
> Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha at arm.com>

Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>


More information about the Linuxppc-dev mailing list