summaryrefslogtreecommitdiff
path: root/arch/s390/kernel/time.c
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/s390/kernel/time.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'arch/s390/kernel/time.c')
-rw-r--r--arch/s390/kernel/time.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 017c3a9bf..99f84ac31 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -542,16 +542,17 @@ arch_initcall(etr_init);
* Switch to local machine check. This is called when the last usable
* ETR port goes inactive. After switch to local the clock is not in sync.
*/
-void etr_switch_to_local(void)
+int etr_switch_to_local(void)
{
if (!etr_eacr.sl)
- return;
+ return 0;
disable_sync_clock(NULL);
if (!test_and_set_bit(ETR_EVENT_SWITCH_LOCAL, &etr_events)) {
etr_eacr.es = etr_eacr.sl = 0;
etr_setr(&etr_eacr);
- queue_work(time_sync_wq, &etr_work);
+ return 1;
}
+ return 0;
}
/*
@@ -560,16 +561,22 @@ void etr_switch_to_local(void)
* After a ETR sync check the clock is not in sync. The machine check
* is broadcasted to all cpus at the same time.
*/
-void etr_sync_check(void)
+int etr_sync_check(void)
{
if (!etr_eacr.es)
- return;
+ return 0;
disable_sync_clock(NULL);
if (!test_and_set_bit(ETR_EVENT_SYNC_CHECK, &etr_events)) {
etr_eacr.es = 0;
etr_setr(&etr_eacr);
- queue_work(time_sync_wq, &etr_work);
+ return 1;
}
+ return 0;
+}
+
+void etr_queue_work(void)
+{
+ queue_work(time_sync_wq, &etr_work);
}
/*
@@ -1504,10 +1511,10 @@ static void stp_timing_alert(struct stp_irq_parm *intparm)
* After a STP sync check the clock is not in sync. The machine check
* is broadcasted to all cpus at the same time.
*/
-void stp_sync_check(void)
+int stp_sync_check(void)
{
disable_sync_clock(NULL);
- queue_work(time_sync_wq, &stp_work);
+ return 1;
}
/*
@@ -1516,12 +1523,16 @@ void stp_sync_check(void)
* have matching CTN ids and have a valid stratum-1 configuration
* but the configurations do not match.
*/
-void stp_island_check(void)
+int stp_island_check(void)
{
disable_sync_clock(NULL);
- queue_work(time_sync_wq, &stp_work);
+ return 1;
}
+void stp_queue_work(void)
+{
+ queue_work(time_sync_wq, &stp_work);
+}
static int stp_sync_clock(void *data)
{