[RFC] dw_apb_timer_of: use clocksource_of_init

[Arnd Bergmann]

On Monday 03 June 2013 14:15:28 Heiko Stübner wrote:
> dw_apb_timer_init used to search the devicetree for matching timer
> devices, making calls to it from board files necessary.
> 
> Change the dw_apb_timer_init to work with CLOCKSOURCE_OF_DECLARE.
> With this change the function gets called once for each timer node
> and tracks these number of calls to attach clockevent and clocksource
> devices to the nodes.
> 
> Also convert all previous users of dw_apb_timer_init to use
> clocksource_of_init.
> 
> Tested on the upcoming rk3066 code.
> 
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>

Acked-by: Arnd Bergmann <arnd at arndb.de>