From: Matteo Croce <[email protected]> add jiffies_delta_to_msecs() helper func to calculate the delta between two times and eventually 0 if negative.
Suggested-by: Eric Dumazet <[email protected]> Signed-off-by: Matteo Croce <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> Acked-by: Simon Horman <[email protected]> Signed-off-by: Pablo Neira Ayuso <[email protected]> --- include/linux/jiffies.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index a27cf66..fa92824 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -447,6 +447,11 @@ static inline clock_t jiffies_delta_to_clock_t(long delta) return jiffies_to_clock_t(max(0L, delta)); } +static inline unsigned int jiffies_delta_to_msecs(long delta) +{ + return jiffies_to_msecs(max(0L, delta)); +} + extern unsigned long clock_t_to_jiffies(unsigned long x); extern u64 jiffies_64_to_clock_t(u64 x); extern u64 nsec_to_clock_t(u64 x); -- 1.9.1 _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
