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ktime: add ms_to_ktime() and ktime_add_ms() helpers 

Add two ktime helper functions that i) convert a given msec value to
a ktime structure and ii) that adds a msec value to a ktime structure.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Daniel Borkmann 2013-06-25 18:17:26 +02:00 committed by David S. Miller
parent f072d7aba7
commit d36f82b243
1 changed files with 13 additions and 0 deletions
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13
include/linux/ktime.h
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@ -323,6 +323,11 @@ static inline ktime_t ktime_add_us(const ktime_t kt, const u64 usec)
return ktime_add_ns(kt, usec * 1000);
}
static inline ktime_t ktime_add_ms(const ktime_t kt, const u64 msec)
{
return ktime_add_ns(kt, msec * NSEC_PER_MSEC);
}
static inline ktime_t ktime_sub_us(const ktime_t kt, const u64 usec)
{
return ktime_sub_ns(kt, usec * 1000);
@ -366,7 +371,15 @@ extern void ktime_get_ts(struct timespec *ts);
static inline ktime_t ns_to_ktime(u64 ns)
{
static const ktime_t ktime_zero = { .tv64 = 0 };
return ktime_add_ns(ktime_zero, ns);
}
static inline ktime_t ms_to_ktime(u64 ms)
{
static const ktime_t ktime_zero = { .tv64 = 0 };
return ktime_add_ms(ktime_zero, ms);
}
#endif