[PATCH] arm: kernel: utilize hrtimer based broadcast

[mark.rutland@arm.com (Mark Rutland)]

On Fri, Jul 17, 2015 at 10:11:52AM +0100, Alison Wang wrote:
> Hrtimer based broadcast is used on ARM platform. It can be
> registered as the tick broadcast device in the absence of
> a real external clock device.
> 
> Signed-off-by: Alison Wang <alison.wang@freescale.com>

This looks sensible to me. FWIW:

Acked-by: Mark Rutland <mark.rutland@arm.com>

Thanks,
Mark.

> ---
>  arch/arm/kernel/time.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
> index a66e37e..a9bc73c 100644
> --- a/arch/arm/kernel/time.c
> +++ b/arch/arm/kernel/time.c
> @@ -12,6 +12,7 @@
>   *  reading the RTC at bootup, etc...
>   */
>  #include <linux/clk-provider.h>
> +#include <linux/clockchips.h>
>  #include <linux/clocksource.h>
>  #include <linux/errno.h>
>  #include <linux/export.h>
> @@ -121,5 +122,7 @@ void __init time_init(void)
>  		of_clk_init(NULL);
>  #endif
>  		clocksource_of_init();
> +
> +		tick_setup_hrtimer_broadcast();
>  	}
>  }
> -- 
> 2.1.0.27.g96db324
>