[S390] stp support.

Add support for clock synchronization with the server time protocol.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c
index fe75152a5084..834e9ee7e934 100644
--- a/drivers/s390/s390mach.c
+++ b/drivers/s390/s390mach.c
@@ -458,6 +458,10 @@ s390_do_machine_check(struct pt_regs *regs)
                         etr_sync_check();
                 if (S390_lowcore.external_damage_code & (1U << ED_ETR_SWITCH))
                         etr_switch_to_local();
+                if (S390_lowcore.external_damage_code & (1U << ED_STP_SYNC))
+                        stp_sync_check();
+                if (S390_lowcore.external_damage_code & (1U << ED_STP_ISLAND))
+                        stp_island_check();
         }
 
         if (mci->se)