[PATCH 01/11] cris: move usec/nsec conversion to do_slow_gettimeoffset

Jesper Nilsson jesper.nilsson at axis.com
Mon Nov 12 05:44:56 EST 2012


On Thu, Nov 08, 2012 at 02:01:46PM -0700, Stephen Warren wrote:
> From: Stephen Warren <swarren at nvidia.com>
> 
> Move usec to nsec conversion from arch_gettimeoffset() to
> do_slow_gettimeoffset(); in a future patch, do_slow_gettimeoffset()
> will be used directly as the implementation of arch_gettimeoffset(),
> so needs to perform all required calculations.
> 
> Cc: Mikael Starvik <starvik at axis.com>
> Cc: Jesper Nilsson <jesper.nilsson at axis.com>

Acked-by: Jesper Nilsson <jesper.nilsson at axis.com>

> Cc: linux-cris-kernel at axis.com
> Signed-off-by: Stephen Warren <swarren at nvidia.com>
> ---
>  arch/cris/arch-v10/kernel/time.c |    4 ++--
>  arch/cris/kernel/time.c          |    2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/cris/arch-v10/kernel/time.c b/arch/cris/arch-v10/kernel/time.c
> index bcffcb6..162892f 100644
> --- a/arch/cris/arch-v10/kernel/time.c
> +++ b/arch/cris/arch-v10/kernel/time.c
> @@ -65,8 +65,8 @@ unsigned long do_slow_gettimeoffset(void)
>  	 */
>  	count = *R_TIMER0_DATA;
>  
> -	/* Convert timer value to usec */
> -	return (TIMER0_DIV - count) * ((NSEC_PER_SEC/1000)/HZ)/TIMER0_DIV;
> +	/* Convert timer value to nsec */
> +	return (TIMER0_DIV - count) * (NSEC_PER_SEC/HZ)/TIMER0_DIV;
>  }
>  
>  /* Excerpt from the Etrax100 HSDD about the built-in watchdog:
> diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
> index 277ffc4..b063c92 100644
> --- a/arch/cris/kernel/time.c
> +++ b/arch/cris/kernel/time.c
> @@ -46,7 +46,7 @@ static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset;
>  
>  u32 arch_gettimeoffset(void)
>  {
> -       return do_gettimeoffset() * 1000;
> +	return do_gettimeoffset();
>  }
>  #endif
>  
> -- 
> 1.7.0.4
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/

/^JN - Jesper Nilsson
-- 
               Jesper Nilsson -- jesper.nilsson at axis.com



More information about the linux-arm-kernel mailing list