summaryrefslogtreecommitdiffstats
path: root/arch/arm/kernel/time.c
diff options
context:
space:
mode:
authorLen Brown <len.brown@intel.com>2012-06-04 00:35:19 -0400
committerLen Brown <len.brown@intel.com>2012-06-04 00:35:19 -0400
commit7e1bd6e38b1f30860ce25a014c6d6adfb0079f4a (patch)
tree65c5898ba93007d4399150c7a127a670bcfbc30d /arch/arm/kernel/time.c
parent301f33fbcf4ced53b3de114846ecece5d6aafeeb (diff)
parentf8f5701bdaf9134b1f90e5044a82c66324d2073f (diff)
downloadtalos-op-linux-7e1bd6e38b1f30860ce25a014c6d6adfb0079f4a.tar.gz
talos-op-linux-7e1bd6e38b1f30860ce25a014c6d6adfb0079f4a.zip
Merge branch 'upstream' into bugfix-video
Update bugfix-video branch to 2.5-rc1 so I don't have to again resolve the conflict in these patches vs. upstream. Conflicts: drivers/gpu/drm/gma500/psb_drv.c text conflict: add comment vs delete neighboring line keep just this: /* igd_opregion_init(&dev_priv->opregion_dev); */ /* acpi_video_register(); */ Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/arm/kernel/time.c')
-rw-r--r--arch/arm/kernel/time.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/kernel/time.c b/arch/arm/kernel/time.c
index fe31b22f18fd..af2afb019672 100644
--- a/arch/arm/kernel/time.c
+++ b/arch/arm/kernel/time.c
@@ -110,6 +110,42 @@ void timer_tick(void)
}
#endif
+static void dummy_clock_access(struct timespec *ts)
+{
+ ts->tv_sec = 0;
+ ts->tv_nsec = 0;
+}
+
+static clock_access_fn __read_persistent_clock = dummy_clock_access;
+static clock_access_fn __read_boot_clock = dummy_clock_access;;
+
+void read_persistent_clock(struct timespec *ts)
+{
+ __read_persistent_clock(ts);
+}
+
+void read_boot_clock(struct timespec *ts)
+{
+ __read_boot_clock(ts);
+}
+
+int __init register_persistent_clock(clock_access_fn read_boot,
+ clock_access_fn read_persistent)
+{
+ /* Only allow the clockaccess functions to be registered once */
+ if (__read_persistent_clock == dummy_clock_access &&
+ __read_boot_clock == dummy_clock_access) {
+ if (read_boot)
+ __read_boot_clock = read_boot;
+ if (read_persistent)
+ __read_persistent_clock = read_persistent;
+
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
#if defined(CONFIG_PM) && !defined(CONFIG_GENERIC_CLOCKEVENTS)
static int timer_suspend(void)
{
OpenPOWER on IntegriCloud