Merging upstream version 4.19.289.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 51 insertions, 43 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 7beda20cf..c1cf277d0 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2841,7 +2841,7 @@ static int _dasd_requeue_request(struct dasd_ccw_req *cqr)
 		return 0;
 	spin_lock_irq(&cqr->dq->lock);
 	req = (struct request *) cqr->callback_data;
-	blk_mq_requeue_request(req, false);
+	blk_mq_requeue_request(req, true);
 	spin_unlock_irq(&cqr->dq->lock);
 
 	return 0;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index c9bc9a6bd..ee4338158 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1353,6 +1353,7 @@ void ccw_device_set_notoper(struct ccw_device *cdev)
 enum io_sch_action {
 	IO_SCH_UNREG,
 	IO_SCH_ORPH_UNREG,
+	IO_SCH_UNREG_CDEV,
 	IO_SCH_ATTACH,
 	IO_SCH_UNREG_ATTACH,
 	IO_SCH_ORPH_ATTACH,
@@ -1385,7 +1386,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch)
 	}
 	if ((sch->schib.pmcw.pam & sch->opm) == 0) {
 		if (ccw_device_notify(cdev, CIO_NO_PATH) != NOTIFY_OK)
-			return IO_SCH_UNREG;
+			return IO_SCH_UNREG_CDEV;
 		return IO_SCH_DISC;
 	}
 	if (device_is_disconnected(cdev))
@@ -1447,6 +1448,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 	case IO_SCH_ORPH_ATTACH:
 		ccw_device_set_disconnected(cdev);
 		break;
+	case IO_SCH_UNREG_CDEV:
 	case IO_SCH_UNREG_ATTACH:
 	case IO_SCH_UNREG:
 		if (!cdev)
@@ -1480,6 +1482,7 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
 		if (rc)
 			goto out;
 		break;
+	case IO_SCH_UNREG_CDEV:
 	case IO_SCH_UNREG_ATTACH:
 		spin_lock_irqsave(sch->lock, flags);
 		if (cdev->private->flags.resuming) {
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index ed60b8d4e..f98dc3a8e 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -88,15 +88,15 @@ enum qdio_irq_states {
 static inline int do_sqbs(u64 token, unsigned char state, int queue,
 			  int *start, int *count)
 {
-	register unsigned long _ccq asm ("0") = *count;
-	register unsigned long _token asm ("1") = token;
 	unsigned long _queuestart = ((unsigned long)queue << 32) | *start;
+	unsigned long _ccq = *count;
 
 	asm volatile(
-		"	.insn	rsy,0xeb000000008A,%1,0,0(%2)"
-		: "+d" (_ccq), "+d" (_queuestart)
-		: "d" ((unsigned long)state), "d" (_token)
-		: "memory", "cc");
+		"	lgr	1,%[token]\n"
+		"	.insn	rsy,0xeb000000008a,%[qs],%[ccq],0(%[state])"
+		: [ccq] "+&d" (_ccq), [qs] "+&d" (_queuestart)
+		: [state] "a" ((unsigned long)state), [token] "d" (token)
+		: "memory", "cc", "1");
 	*count = _ccq & 0xff;
 	*start = _queuestart & 0xff;
 
@@ -106,16 +106,17 @@ static inline int do_sqbs(u64 token, unsigned char state, int queue,
 static inline int do_eqbs(u64 token, unsigned char *state, int queue,
 			  int *start, int *count, int ack)
 {
-	register unsigned long _ccq asm ("0") = *count;
-	register unsigned long _token asm ("1") = token;
 	unsigned long _queuestart = ((unsigned long)queue << 32) | *start;
 	unsigned long _state = (unsigned long)ack << 63;
+	unsigned long _ccq = *count;
 
 	asm volatile(
-		"	.insn	rrf,0xB99c0000,%1,%2,0,0"
-		: "+d" (_ccq), "+d" (_queuestart), "+d" (_state)
-		: "d" (_token)
-		: "memory", "cc");
+		"	lgr	1,%[token]\n"
+		"	.insn	rrf,0xb99c0000,%[qs],%[state],%[ccq],0"
+		: [ccq] "+&d" (_ccq), [qs] "+&d" (_queuestart),
+		  [state] "+&d" (_state)
+		: [token] "d" (token)
+		: "memory", "cc", "1");
 	*count = _ccq & 0xff;
 	*start = _queuestart & 0xff;
 	*state = _state & 0xff;
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 4b7cc8d42..6100cf4df 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -31,38 +31,41 @@ MODULE_DESCRIPTION("QDIO base support");
 MODULE_LICENSE("GPL");
 
 static inline int do_siga_sync(unsigned long schid,
-			       unsigned int out_mask, unsigned int in_mask,
+			       unsigned long out_mask, unsigned long in_mask,
 			       unsigned int fc)
 {
-	register unsigned long __fc asm ("0") = fc;
-	register unsigned long __schid asm ("1") = schid;
-	register unsigned long out asm ("2") = out_mask;
-	register unsigned long in asm ("3") = in_mask;
 	int cc;
 
 	asm volatile(
+		"	lgr	0,%[fc]\n"
+		"	lgr	1,%[schid]\n"
+		"	lgr	2,%[out]\n"
+		"	lgr	3,%[in]\n"
 		"	siga	0\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (cc)
-		: "d" (__fc), "d" (__schid), "d" (out), "d" (in) : "cc");
+		"	ipm	%[cc]\n"
+		"	srl	%[cc],28\n"
+		: [cc] "=&d" (cc)
+		: [fc] "d" (fc), [schid] "d" (schid),
+		  [out] "d" (out_mask), [in] "d" (in_mask)
+		: "cc", "0", "1", "2", "3");
 	return cc;
 }
 
-static inline int do_siga_input(unsigned long schid, unsigned int mask,
-				unsigned int fc)
+static inline int do_siga_input(unsigned long schid, unsigned long mask,
+				unsigned long fc)
 {
-	register unsigned long __fc asm ("0") = fc;
-	register unsigned long __schid asm ("1") = schid;
-	register unsigned long __mask asm ("2") = mask;
 	int cc;
 
 	asm volatile(
+		"	lgr	0,%[fc]\n"
+		"	lgr	1,%[schid]\n"
+		"	lgr	2,%[mask]\n"
 		"	siga	0\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (cc)
-		: "d" (__fc), "d" (__schid), "d" (__mask) : "cc");
+		"	ipm	%[cc]\n"
+		"	srl	%[cc],28\n"
+		: [cc] "=&d" (cc)
+		: [fc] "d" (fc), [schid] "d" (schid), [mask] "d" (mask)
+		: "cc", "0", "1", "2");
 	return cc;
 }
 
@@ -78,23 +81,24 @@ static inline int do_siga_input(unsigned long schid, unsigned int mask,
  * Note: For IQDC unicast queues only the highest priority queue is processed.
  */
 static inline int do_siga_output(unsigned long schid, unsigned long mask,
-				 unsigned int *bb, unsigned int fc,
+				 unsigned int *bb, unsigned long fc,
 				 unsigned long aob)
 {
-	register unsigned long __fc asm("0") = fc;
-	register unsigned long __schid asm("1") = schid;
-	register unsigned long __mask asm("2") = mask;
-	register unsigned long __aob asm("3") = aob;
 	int cc;
 
 	asm volatile(
+		"	lgr	0,%[fc]\n"
+		"	lgr	1,%[schid]\n"
+		"	lgr	2,%[mask]\n"
+		"	lgr	3,%[aob]\n"
 		"	siga	0\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (cc), "+d" (__fc), "+d" (__aob)
-		: "d" (__schid), "d" (__mask)
-		: "cc");
-	*bb = __fc >> 31;
+		"	lgr	%[fc],0\n"
+		"	ipm	%[cc]\n"
+		"	srl	%[cc],28\n"
+		: [cc] "=&d" (cc), [fc] "+&d" (fc)
+		: [schid] "d" (schid), [mask] "d" (mask), [aob] "d" (aob)
+		: "cc", "0", "1", "2", "3");
+	*bb = fc >> 31;
 	return cc;
 }