s390/stp: fix todoff size

The size of the TOD offset field in the stp info response is 64 bits.
Signed-off-by: NSven Schnelle <svens@linux.ibm.com>
Reviewed-by: NHeiko Carstens <hca@de.ibm.com>
Signed-off-by: NHeiko Carstens <hca@linux.ibm.com>

arch/s390/include/asm/stp.h

@@ -44,8 +44,8 @@ struct stp_sstpi {
 	u32		: 32;
 	u32 ctnid[3];
 	u32		: 32;
-	u32 todoff[4];
-	u32 rsvd[48];
+	u64 todoff;
+	u32 rsvd[50];
 } __packed;
 
 struct stp_tzib {

arch/s390/kernel/time.c

@@ -554,9 +554,7 @@ static int stp_sync_clock(void *data)
 		while (atomic_read(&sync->cpus) != 0)
 			cpu_relax();
 		rc = 0;
-		if (stp_info.todoff[0] || stp_info.todoff[1] ||
-		    stp_info.todoff[2] || stp_info.todoff[3] ||
-		    stp_info.tmd != 2) {
+		if (stp_info.todoff || stp_info.tmd != 2) {
 			flags = vdso_update_begin();
 			rc = chsc_sstpc(stp_page, STP_OP_SYNC, 0,
 					&clock_delta);