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timer: Add functions to initialize absolute timer structures.

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Otherwise there's no good way to create an absolute timer structure without
fiddling with its internal structure or assuming a zero initialized structure
has a value of zero.

Old-Change-Id: Iffe3b6b25ed7963fcfb66f749c531ea445ea4aeb
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/65301
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Stefan Reinauer <reinauer@google.com>
Reviewed-by: Stefan Reinauer <reinauer@google.com>
Tested-by: Stefan Reinauer <reinauer@google.com>
(cherry picked from commit e2e5c1ef3bb2df95fdf0e33cb2d975a990d07a4a)

exynos: Simplify the monotonic timer implementation.

The previous implementation was overly complicated, and when used in the
timestamp implementation produced some weird and broken results.

Old-Change-Id: I3048028ddea0657b01b0c94f312764b38d1397e4
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/65302
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
Commit-Queue: Stefan Reinauer <reinauer@google.com>
Reviewed-by: Stefan Reinauer <reinauer@google.com>
Tested-by: Stefan Reinauer <reinauer@google.com>
(cherry picked from commit 6a3fde9a5b80cdac76d79c65d20d7dd1f1d9e557)

Squashed two closely related commits.

Change-Id: Ifc32d773f4f93d34275a81781001d080357fe8ef
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6406
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Gabe Black
2013-08-09 00:48:06 -07:00
committed by Isaac Christensen
parent 82683ab9d4
commit 6ccc45d7d5
3 changed files with 20 additions and 48 deletions
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12
src/include/timer.h
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@@ -67,6 +67,18 @@ int timers_run(void);
* 0 returned on success, < 0 on error. */
int timer_sched_callback(struct timeout_callback *tocb, unsigned long us);
/* Set an absolute time to a number of microseconds. */
static inline void mono_time_set_usecs(struct mono_time *mt, long us)
{
mt->microseconds = us;
}
/* Set an absolute time to a number of milliseconds. */
static inline void mono_time_set_msecs(struct mono_time *mt, long ms)
{
mt->microseconds = ms * USECS_PER_MSEC;
}
/* Add microseconds to an absolute time. */
static inline void mono_time_add_usecs(struct mono_time *mt, long us)
{