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SubjectRe: [PATCH 01/11] cris: move usec/nsec conversion to do_slow_gettimeoffset
On Thu, Nov 08, 2012 at 02:01:46PM -0700, Stephen Warren wrote:
> From: Stephen Warren <swarren@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@axis.com>
> Cc: Jesper Nilsson <jesper.nilsson@axis.com>

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

> Cc: linux-cris-kernel@axis.com
> Signed-off-by: Stephen Warren <swarren@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
>
> --
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/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@axis.com


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