[PATCH 1/5] clock: introduce non interruptible timeout
Sascha Hauer
s.hauer at pengutronix.de
Mon Oct 29 03:45:52 EDT 2012
On Sat, Oct 27, 2012 at 10:03:41PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> is_non_timeout call poller_call if the timeout is >= 100us
>
> but on 1-wire bus we need to wait 500us and not more than 930us
> for the bus reset. So if the poller_call is caller we can not guarantee it.
>
> So for this introduce is_non_interruptible_timeout than we only wait.
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
> common/clock.c | 14 ++++++++++----
> include/clock.h | 1 +
> 2 files changed, 11 insertions(+), 4 deletions(-)
>
> diff --git a/common/clock.c b/common/clock.c
> index 8adbeaf..a358b78 100644
> --- a/common/clock.c
> +++ b/common/clock.c
> @@ -135,16 +135,22 @@ uint32_t clocksource_hz2mult(uint32_t hz, uint32_t shift_constant)
> return (uint32_t)tmp;
> }
>
> -int is_timeout(uint64_t start_ns, uint64_t time_offset_ns)
> +int is_non_interruptible_timeout(uint64_t start_ns, uint64_t time_offset_ns)
Please rename to is_timeout_non_interruptible.
Otherwise ok.
Sascha
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