clocksource: introduce CLOCK_MONOTONIC_RAW

[linux-2.6-omap-h63xx.git] / kernel / posix-timers.c

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index e36d5798cbff427fca02fd8c9a8fb6f615dbd3fe..d3c66b53dff67fd93bcd562f95c7e515ea99816b 100644 (file)
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -222,6 +222,15 @@ static int posix_ktime_get_ts(clockid_t which_clock, struct timespec *tp)
        return 0;
 }
 
+/*
+ * Get monotonic time for posix timers
+ */
+static int posix_get_monotonic_raw(clockid_t which_clock, struct timespec *tp)
+{
+       getrawmonotonic(tp);
+       return 0;
+}
+
 /*
  * Initialize everything, well, just everything in Posix clocks/timers ;)
  */
@@ -235,9 +244,15 @@ static __init int init_posix_timers(void)
                .clock_get = posix_ktime_get_ts,
                .clock_set = do_posix_clock_nosettime,
        };
+       struct k_clock clock_monotonic_raw = {
+               .clock_getres = hrtimer_get_res,
+               .clock_get = posix_get_monotonic_raw,
+               .clock_set = do_posix_clock_nosettime,
+       };
 
        register_posix_clock(CLOCK_REALTIME, &clock_realtime);
        register_posix_clock(CLOCK_MONOTONIC, &clock_monotonic);
+       register_posix_clock(CLOCK_MONOTONIC_RAW, &clock_monotonic_raw);
 
        posix_timers_cache = kmem_cache_create("posix_timers_cache",
                                        sizeof (struct k_itimer), 0, SLAB_PANIC,