[Skiboot] [PATCH 1/3] timebase: Add nanosleep_nopoll

[Benjamin Herrenschmidt]

On Mon, 2015-02-16 at 20:45 +0530, Ananth N Mavinakayanahalli wrote:
> For use by hservices mainly...
> 
> Signed-off-by: Ananth N Mavinakayanahalli <ananth at in.ibm.com>

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>

> ---
>  core/timebase.c    |   11 +++++++++++
>  include/timebase.h |    2 ++
>  2 files changed, 13 insertions(+)
> 
> diff --git a/core/timebase.c b/core/timebase.c
> index 9321373..ff26689 100644
> --- a/core/timebase.c
> +++ b/core/timebase.c
> @@ -104,3 +104,14 @@ int nanosleep(const struct timespec *req, struct timespec *rem)
>  	}
>  	return 0;
>  }
> +
> +int nanosleep_nopoll(const struct timespec *req, struct timespec *rem)
> +{
> +	time_wait_nopoll(timespec_to_tb(req));
> +
> +	if (rem) {
> +		rem->tv_sec = 0;
> +		rem->tv_nsec = 0;
> +	}
> +	return 0;
> +}
> diff --git a/include/timebase.h b/include/timebase.h
> index 156c296..7f5afe1 100644
> --- a/include/timebase.h
> +++ b/include/timebase.h
> @@ -98,4 +98,6 @@ extern void time_wait_ms_nopoll(unsigned long ms);
>  extern void time_wait_us(unsigned long us);
>  extern void time_wait_us_nopoll(unsigned long us);
>  
> +/* nanosleep_nopoll - variant for use from hostservices */
> +extern int nanosleep_nopoll(const struct timespec *req, struct timespec *rem);
>  #endif /* __TIME_H */
> 
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