Re: [PATCH 1/4] clocksource: arm_global_timer: Switch to sched_clock_register()

[Stuart MENEFY]

Looks good, thanks.

Acked-by: Stuart Menefy <stuart.menefy@xxxxxx>

On 15/11/13 23:48, Stephen Boyd wrote:
> The 32 bit sched_clock interface now supports 64 bits. Upgrade to
> the 64 bit function to allow us to remove the 32 bit registration
> interface. While we're here increase the number of bits that
> sched_clock can handle to 64 to make full use of the counter.
> 
> Cc: Stuart Menefy <stuart.menefy@xxxxxx>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
>  drivers/clocksource/arm_global_timer.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
> index c639b1a..0fc31d0 100644
> --- a/drivers/clocksource/arm_global_timer.c
> +++ b/drivers/clocksource/arm_global_timer.c
> @@ -202,7 +202,7 @@ static struct clocksource gt_clocksource = {
>  };
>  
>  #ifdef CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
> -static u32 notrace gt_sched_clock_read(void)
> +static u64 notrace gt_sched_clock_read(void)
>  {
>  	return gt_counter_read();
>  }
> @@ -217,7 +217,7 @@ static void __init gt_clocksource_init(void)
>  	writel(GT_CONTROL_TIMER_ENABLE, gt_base + GT_CONTROL);
>  
>  #ifdef CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
> -	setup_sched_clock(gt_sched_clock_read, 32, gt_clk_rate);
> +	sched_clock_register(gt_sched_clock_read, 64, gt_clk_rate);
>  #endif
>  	clocksource_register_hz(&gt_clocksource, gt_clk_rate);
>  }
> 


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