[PATCH v2 0/5] libsas: Some logging tidy-up

[PATCH v2 0/5] libsas: Some logging tidy-up

[John Garry]

This patchset presents some logging tidy-up, namely removing the printk
wrappers and using pr_XXX() instead.

In addition, some log levels are revised, as previous levels (generally
debug) were too low.

Finally a referece to "pci" is removed from a log, and unreferenced dump
files are deleted.

Differences v1->v2:
- Reunited strings to a single line
- fixed "sas: sas:" prefix in messages

John Garry (5):
  scsi: libsas: Delete sas_dump.{c, h}
  scsi: libsas: Use pr_fmt(fmt)
  scsi: libsas: Drop sas_printk()
  scsi: libsas: Drop SAS_DPRINTK() and revise logs levels
  scsi: libsas: Remove pcidev reference

 drivers/scsi/libsas/Makefile        |   3 +-
 drivers/scsi/libsas/sas_ata.c       |  26 ++--
 drivers/scsi/libsas/sas_discover.c  |  33 +++--
 drivers/scsi/libsas/sas_dump.c      |  63 ----------
 drivers/scsi/libsas/sas_dump.h      |  29 -----
 drivers/scsi/libsas/sas_event.c     |   1 -
 drivers/scsi/libsas/sas_expander.c  | 236 +++++++++++++++++-------------------
 drivers/scsi/libsas/sas_init.c      |  10 +-
 drivers/scsi/libsas/sas_internal.h  |  16 ++-
 drivers/scsi/libsas/sas_phy.c       |   8 +-
 drivers/scsi/libsas/sas_port.c      |  23 ++--
 drivers/scsi/libsas/sas_scsi_host.c | 123 +++++++++----------
 drivers/scsi/libsas/sas_task.c      |  10 +-
 13 files changed, 233 insertions(+), 348 deletions(-)
 delete mode 100644 drivers/scsi/libsas/sas_dump.c
 delete mode 100644 drivers/scsi/libsas/sas_dump.h

-- 
1.9.1

[PATCH v2 1/5] scsi: libsas: Delete sas_dump.{c, h}

[John Garry]

The code in these files is not longer referenced, so delete them.

Signed-off-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/libsas/Makefile    |  1 -
 drivers/scsi/libsas/sas_dump.c  | 63 -----------------------------------------
 drivers/scsi/libsas/sas_dump.h  | 29 -------------------
 drivers/scsi/libsas/sas_event.c |  1 -
 4 files changed, 94 deletions(-)
 delete mode 100644 drivers/scsi/libsas/sas_dump.c
 delete mode 100644 drivers/scsi/libsas/sas_dump.h

diff --git a/drivers/scsi/libsas/Makefile b/drivers/scsi/libsas/Makefile
index 2e70140..c1db9027 100644
--- a/drivers/scsi/libsas/Makefile
+++ b/drivers/scsi/libsas/Makefile
@@ -26,7 +26,6 @@ libsas-y +=  sas_init.o     \
 		sas_phy.o      \
 		sas_port.o     \
 		sas_event.o    \
-		sas_dump.o     \
 		sas_discover.o \
 		sas_expander.o \
 		sas_scsi_host.o \
diff --git a/drivers/scsi/libsas/sas_dump.c b/drivers/scsi/libsas/sas_dump.c
deleted file mode 100644
index 7e5d262..0000000
--- a/drivers/scsi/libsas/sas_dump.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Serial Attached SCSI (SAS) Dump/Debugging routines
- *
- * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
- * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
- *
- * This file is licensed under GPLv2.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- */
-
-#include "sas_dump.h"
-
-static const char *sas_porte_str[] = {
-	[0] = "PORTE_BYTES_DMAED",
-	[1] = "PORTE_BROADCAST_RCVD",
-	[2] = "PORTE_LINK_RESET_ERR",
-	[3] = "PORTE_TIMER_EVENT",
-	[4] = "PORTE_HARD_RESET",
-};
-
-static const char *sas_phye_str[] = {
-	[0] = "PHYE_LOSS_OF_SIGNAL",
-	[1] = "PHYE_OOB_DONE",
-	[2] = "PHYE_OOB_ERROR",
-	[3] = "PHYE_SPINUP_HOLD",
-	[4] = "PHYE_RESUME_TIMEOUT",
-};
-
-void sas_dprint_porte(int phyid, enum port_event pe)
-{
-	SAS_DPRINTK("phy%d: port event: %s\n", phyid, sas_porte_str[pe]);
-}
-void sas_dprint_phye(int phyid, enum phy_event pe)
-{
-	SAS_DPRINTK("phy%d: phy event: %s\n", phyid, sas_phye_str[pe]);
-}
-
-void sas_dump_port(struct asd_sas_port *port)
-{
-	SAS_DPRINTK("port%d: class:0x%x\n", port->id, port->class);
-	SAS_DPRINTK("port%d: sas_addr:%llx\n", port->id,
-		    SAS_ADDR(port->sas_addr));
-	SAS_DPRINTK("port%d: attached_sas_addr:%llx\n", port->id,
-		    SAS_ADDR(port->attached_sas_addr));
-	SAS_DPRINTK("port%d: iproto:0x%x\n", port->id, port->iproto);
-	SAS_DPRINTK("port%d: tproto:0x%x\n", port->id, port->tproto);
-	SAS_DPRINTK("port%d: oob_mode:0x%x\n", port->id, port->oob_mode);
-	SAS_DPRINTK("port%d: num_phys:%d\n", port->id, port->num_phys);
-}
diff --git a/drivers/scsi/libsas/sas_dump.h b/drivers/scsi/libsas/sas_dump.h
deleted file mode 100644
index 6aaee6b..0000000
--- a/drivers/scsi/libsas/sas_dump.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Serial Attached SCSI (SAS) Dump/Debugging routines header file
- *
- * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
- * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
- *
- * This file is licensed under GPLv2.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- */
-
-#include "sas_internal.h"
-
-void sas_dprint_porte(int phyid, enum port_event pe);
-void sas_dprint_phye(int phyid, enum phy_event pe);
-void sas_dump_port(struct asd_sas_port *port);
diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c
index ae923eb..b1e0f7d 100644
--- a/drivers/scsi/libsas/sas_event.c
+++ b/drivers/scsi/libsas/sas_event.c
@@ -25,7 +25,6 @@
 #include <linux/export.h>
 #include <scsi/scsi_host.h>
 #include "sas_internal.h"
-#include "sas_dump.h"
 
 int sas_queue_work(struct sas_ha_struct *ha, struct sas_work *sw)
 {
-- 
1.9.1

[PATCH v2 2/5] scsi: libsas: Use pr_fmt(fmt)

[John Garry]

In preparation for dropping the libsas printk wrappers, use pr_fmt(fmt)
declaration to add the framework log prefix - "sas".

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/libsas/sas_ata.c      |  2 +-
 drivers/scsi/libsas/sas_internal.h | 13 +++++++++++--
 drivers/scsi/libsas/sas_task.c     |  3 +++
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 4f6cdf5..9f3521f 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -375,7 +375,7 @@ static int sas_ata_printk(const char *level, const struct domain_device *ddev,
 	vaf.fmt = fmt;
 	vaf.va = &args;
 
-	r = printk("%ssas: ata%u: %s: %pV",
+	r = printk("%s" SAS_FMT "ata%u: %s: %pV",
 		   level, ap->print_id, dev_name(dev), &vaf);
 
 	va_end(args);
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 50e12d6..94ebf41 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -32,9 +32,18 @@
 #include <scsi/libsas.h>
 #include <scsi/sas_ata.h>
 
-#define sas_printk(fmt, ...) printk(KERN_NOTICE "sas: " fmt, ## __VA_ARGS__)
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define SAS_FMT "sas: "
+
+#define pr_fmt(fmt) SAS_FMT fmt
+
+#define sas_printk(fmt, ...) printk(KERN_NOTICE fmt, ## __VA_ARGS__)
+
+#define SAS_DPRINTK(fmt, ...) printk(KERN_DEBUG fmt, ## __VA_ARGS__)
 
-#define SAS_DPRINTK(fmt, ...) printk(KERN_DEBUG "sas: " fmt, ## __VA_ARGS__)
 
 #define TO_SAS_TASK(_scsi_cmd)  ((void *)(_scsi_cmd)->host_scribble)
 #define ASSIGN_SAS_TASK(_sc, _t) do { (_sc)->host_scribble = (void *) _t; } while (0)
diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c
index a78e5bd..d305c8f 100644
--- a/drivers/scsi/libsas/sas_task.c
+++ b/drivers/scsi/libsas/sas_task.c
@@ -1,3 +1,6 @@
+
+#include "sas_internal.h"
+
 #include <linux/kernel.h>
 #include <linux/export.h>
 #include <scsi/sas.h>
-- 
1.9.1

[PATCH v2 3/5] scsi: libsas: Drop sas_printk()

[John Garry]

The printk wrapper sas_printk() adds little value now that libsas logs
already have the "sas" prefix through pr_fmt(fmt), so just use
pr_notice() directly.

In addition, strings which span multiple lines are reunited.

Originally-from: Joe Perches <joe@perches.com>
Signed-off-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/libsas/sas_expander.c | 22 ++++++++++------------
 drivers/scsi/libsas/sas_init.c     |  4 ++--
 drivers/scsi/libsas/sas_internal.h |  2 --
 drivers/scsi/libsas/sas_phy.c      |  8 ++++----
 4 files changed, 16 insertions(+), 20 deletions(-)

diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 0d1f727..579304d 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -393,7 +393,7 @@ static int sas_ex_phy_discover_helper(struct domain_device *dev, u8 *disc_req,
 		return res;
 	dr = &((struct smp_resp *)disc_resp)->disc;
 	if (memcmp(dev->sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE) == 0) {
-		sas_printk("Found loopback topology, just ignore it!\n");
+		pr_notice("Found loopback topology, just ignore it!\n");
 		return 0;
 	}
 	sas_set_ex_phy(dev, single, disc_resp);
@@ -1262,19 +1262,17 @@ static void sas_print_parent_topology_bug(struct domain_device *child,
 	};
 	struct domain_device *parent = child->parent;
 
-	sas_printk("%s ex %016llx phy 0x%x <--> %s ex %016llx "
-		   "phy 0x%x has %c:%c routing link!\n",
+	pr_notice("%s ex %016llx phy 0x%x <--> %s ex %016llx phy 0x%x has %c:%c routing link!\n",
+		  ex_type[parent->dev_type],
+		  SAS_ADDR(parent->sas_addr),
+		  parent_phy->phy_id,
 
-		   ex_type[parent->dev_type],
-		   SAS_ADDR(parent->sas_addr),
-		   parent_phy->phy_id,
+		  ex_type[child->dev_type],
+		  SAS_ADDR(child->sas_addr),
+		  child_phy->phy_id,
 
-		   ex_type[child->dev_type],
-		   SAS_ADDR(child->sas_addr),
-		   child_phy->phy_id,
-
-		   sas_route_char(parent, parent_phy),
-		   sas_route_char(child, child_phy));
+		  sas_route_char(parent, parent_phy),
+		  sas_route_char(child, child_phy));
 }
 
 static int sas_check_eeds(struct domain_device *child,
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index ede0af7..a3c25e2 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -623,8 +623,8 @@ struct asd_sas_event *sas_alloc_event(struct asd_sas_phy *phy)
 	if (atomic_read(&phy->event_nr) > phy->ha->event_thres) {
 		if (i->dft->lldd_control_phy) {
 			if (cmpxchg(&phy->in_shutdown, 0, 1) == 0) {
-				sas_printk("The phy%02d bursting events, shut it down.\n",
-					phy->id);
+				pr_notice("The phy%02d bursting events, shut it down.\n",
+					  phy->id);
 				sas_notify_phy_event(phy, PHYE_SHUTDOWN);
 			}
 		} else {
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 94ebf41..910aa31 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -40,8 +40,6 @@
 
 #define pr_fmt(fmt) SAS_FMT fmt
 
-#define sas_printk(fmt, ...) printk(KERN_NOTICE fmt, ## __VA_ARGS__)
-
 #define SAS_DPRINTK(fmt, ...) printk(KERN_DEBUG fmt, ## __VA_ARGS__)
 
 
diff --git a/drivers/scsi/libsas/sas_phy.c b/drivers/scsi/libsas/sas_phy.c
index bf3e1b9..0374243 100644
--- a/drivers/scsi/libsas/sas_phy.c
+++ b/drivers/scsi/libsas/sas_phy.c
@@ -122,11 +122,11 @@ static void sas_phye_shutdown(struct work_struct *work)
 		phy->enabled = 0;
 		ret = i->dft->lldd_control_phy(phy, PHY_FUNC_DISABLE, NULL);
 		if (ret)
-			sas_printk("lldd disable phy%02d returned %d\n",
-				phy->id, ret);
+			pr_notice("lldd disable phy%02d returned %d\n",
+				  phy->id, ret);
 	} else
-		sas_printk("phy%02d is not enabled, cannot shutdown\n",
-			phy->id);
+		pr_notice("phy%02d is not enabled, cannot shutdown\n",
+			  phy->id);
 }
 
 /* ---------- Phy class registration ---------- */
-- 
1.9.1

[PATCH v2 4/5] scsi: libsas: Drop SAS_DPRINTK() and revise logs levels

[John Garry]

Like sas_printk() did previously, SAS_DPRINTK() offers little value now
that libsas logs already have the "sas" prefix through pr_fmt(fmt). So it
can be dropped.

However, after reviewing some logs in libsas, it is noticed that debug
level is too low in many instances.

So this change drops SAS_DPRINTK() and revises some logs to a more
appropriate level. However many stay at debug level, although some
are significantly promoted.

We add -DDEBUG for compilation so that we keep the debug messages by
default, as before.

All the pre-existing checkpatch errors for spanning messages across
multiple lines are also fixed.

Finally, all other references to printk() [apart from special formatting
in sas_ata.c] are removed and replaced with appropriate pr_xxx().

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/libsas/Makefile        |   2 +
 drivers/scsi/libsas/sas_ata.c       |  24 ++--
 drivers/scsi/libsas/sas_discover.c  |  33 +++---
 drivers/scsi/libsas/sas_expander.c  | 214 +++++++++++++++++-------------------
 drivers/scsi/libsas/sas_init.c      |   6 +-
 drivers/scsi/libsas/sas_internal.h  |  11 +-
 drivers/scsi/libsas/sas_port.c      |  23 ++--
 drivers/scsi/libsas/sas_scsi_host.c | 123 ++++++++++-----------
 drivers/scsi/libsas/sas_task.c      |   7 +-
 9 files changed, 207 insertions(+), 236 deletions(-)

diff --git a/drivers/scsi/libsas/Makefile b/drivers/scsi/libsas/Makefile
index c1db9027..5d51520 100644
--- a/drivers/scsi/libsas/Makefile
+++ b/drivers/scsi/libsas/Makefile
@@ -32,3 +32,5 @@ libsas-y +=  sas_init.o     \
 		sas_task.o
 libsas-$(CONFIG_SCSI_SAS_ATA) +=	sas_ata.o
 libsas-$(CONFIG_SCSI_SAS_HOST_SMP) +=	sas_host_smp.o
+
+ccflags-y := -DDEBUG
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 9f3521f..daf898c 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -75,8 +75,8 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts)
 
 		case SAS_OPEN_TO:
 		case SAS_OPEN_REJECT:
-			SAS_DPRINTK("%s: Saw error %d.  What to do?\n",
-				    __func__, ts->stat);
+			pr_warn("%s: Saw error %d.  What to do?\n",
+				__func__, ts->stat);
 			return AC_ERR_OTHER;
 
 		case SAM_STAT_CHECK_CONDITION:
@@ -151,8 +151,7 @@ static void sas_ata_task_done(struct sas_task *task)
 	} else {
 		ac = sas_to_ata_err(stat);
 		if (ac) {
-			SAS_DPRINTK("%s: SAS error %x\n", __func__,
-				    stat->stat);
+			pr_warn("%s: SAS error %x\n", __func__, stat->stat);
 			/* We saw a SAS error. Send a vague error. */
 			if (!link->sactive) {
 				qc->err_mask = ac;
@@ -237,7 +236,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
 
 	ret = i->dft->lldd_execute_task(task, GFP_ATOMIC);
 	if (ret) {
-		SAS_DPRINTK("lldd_execute_task returned: %d\n", ret);
+		pr_debug("lldd_execute_task returned: %d\n", ret);
 
 		if (qc->scsicmd)
 			ASSIGN_SAS_TASK(qc->scsicmd, NULL);
@@ -282,9 +281,9 @@ int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy)
 		res = sas_get_report_phy_sata(dev->parent, phy->phy_id,
 					      &dev->sata_dev.rps_resp);
 		if (res) {
-			SAS_DPRINTK("report phy sata to %016llx:0x%x returned "
-				    "0x%x\n", SAS_ADDR(dev->parent->sas_addr),
-				    phy->phy_id, res);
+			pr_debug("report phy sata to %016llx:0x%x returned 0x%x\n",
+				 SAS_ADDR(dev->parent->sas_addr),
+				 phy->phy_id, res);
 			return res;
 		}
 		memcpy(dev->frame_rcvd, &dev->sata_dev.rps_resp.rps.fis,
@@ -431,8 +430,7 @@ static void sas_ata_internal_abort(struct sas_task *task)
 	if (task->task_state_flags & SAS_TASK_STATE_ABORTED ||
 	    task->task_state_flags & SAS_TASK_STATE_DONE) {
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
-		SAS_DPRINTK("%s: Task %p already finished.\n", __func__,
-			    task);
+		pr_debug("%s: Task %p already finished.\n", __func__, task);
 		goto out;
 	}
 	task->task_state_flags |= SAS_TASK_STATE_ABORTED;
@@ -452,7 +450,7 @@ static void sas_ata_internal_abort(struct sas_task *task)
 	 * aborted ata tasks, otherwise we (likely) leak the sas task
 	 * here
 	 */
-	SAS_DPRINTK("%s: Task %p leaked.\n", __func__, task);
+	pr_warn("%s: Task %p leaked.\n", __func__, task);
 
 	if (!(task->task_state_flags & SAS_TASK_STATE_DONE))
 		task->task_state_flags &= ~SAS_TASK_STATE_ABORTED;
@@ -558,7 +556,7 @@ int sas_ata_init(struct domain_device *found_dev)
 
 	ata_host = kzalloc(sizeof(*ata_host), GFP_KERNEL);
 	if (!ata_host)	{
-		SAS_DPRINTK("ata host alloc failed.\n");
+		pr_err("ata host alloc failed.\n");
 		return -ENOMEM;
 	}
 
@@ -566,7 +564,7 @@ int sas_ata_init(struct domain_device *found_dev)
 
 	ap = ata_sas_port_alloc(ata_host, &sata_port_info, shost);
 	if (!ap) {
-		SAS_DPRINTK("ata_sas_port_alloc failed.\n");
+		pr_err("ata_sas_port_alloc failed.\n");
 		rc = -ENODEV;
 		goto free_host;
 	}
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index dde433a..3eb9ff2 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -128,7 +128,7 @@ static int sas_get_port_device(struct asd_sas_port *port)
 					  SAS_FANOUT_EXPANDER_DEVICE);
 		break;
 	default:
-		printk("ERROR: Unidentified device type %d\n", dev->dev_type);
+		pr_warn("ERROR: Unidentified device type %d\n", dev->dev_type);
 		rphy = NULL;
 		break;
 	}
@@ -186,10 +186,9 @@ int sas_notify_lldd_dev_found(struct domain_device *dev)
 
 	res = i->dft->lldd_dev_found(dev);
 	if (res) {
-		printk("sas: driver on pcidev %s cannot handle "
-		       "device %llx, error:%d\n",
-		       dev_name(sas_ha->dev),
-		       SAS_ADDR(dev->sas_addr), res);
+		pr_warn("driver on pcidev %s cannot handle device %llx, error:%d\n",
+			dev_name(sas_ha->dev),
+			SAS_ADDR(dev->sas_addr), res);
 	}
 	set_bit(SAS_DEV_FOUND, &dev->state);
 	kref_get(&dev->kref);
@@ -456,8 +455,8 @@ static void sas_discover_domain(struct work_struct *work)
 		return;
 	dev = port->port_dev;
 
-	SAS_DPRINTK("DOING DISCOVERY on port %d, pid:%d\n", port->id,
-		    task_pid_nr(current));
+	pr_debug("DOING DISCOVERY on port %d, pid:%d\n", port->id,
+		 task_pid_nr(current));
 
 	switch (dev->dev_type) {
 	case SAS_END_DEVICE:
@@ -473,12 +472,12 @@ static void sas_discover_domain(struct work_struct *work)
 		error = sas_discover_sata(dev);
 		break;
 #else
-		SAS_DPRINTK("ATA device seen but CONFIG_SCSI_SAS_ATA=N so cannot attach\n");
+		pr_notice("ATA device seen but CONFIG_SCSI_SAS_ATA=N so cannot attach\n");
 		/* Fall through */
 #endif
 	default:
 		error = -ENXIO;
-		SAS_DPRINTK("unhandled device %d\n", dev->dev_type);
+		pr_err("unhandled device %d\n", dev->dev_type);
 		break;
 	}
 
@@ -495,8 +494,8 @@ static void sas_discover_domain(struct work_struct *work)
 
 	sas_probe_devices(port);
 
-	SAS_DPRINTK("DONE DISCOVERY on port %d, pid:%d, result:%d\n", port->id,
-		    task_pid_nr(current), error);
+	pr_debug("DONE DISCOVERY on port %d, pid:%d, result:%d\n", port->id,
+		 task_pid_nr(current), error);
 }
 
 static void sas_revalidate_domain(struct work_struct *work)
@@ -510,22 +509,22 @@ static void sas_revalidate_domain(struct work_struct *work)
 	/* prevent revalidation from finding sata links in recovery */
 	mutex_lock(&ha->disco_mutex);
 	if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) {
-		SAS_DPRINTK("REVALIDATION DEFERRED on port %d, pid:%d\n",
-			    port->id, task_pid_nr(current));
+		pr_debug("REVALIDATION DEFERRED on port %d, pid:%d\n",
+			 port->id, task_pid_nr(current));
 		goto out;
 	}
 
 	clear_bit(DISCE_REVALIDATE_DOMAIN, &port->disc.pending);
 
-	SAS_DPRINTK("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id,
-		    task_pid_nr(current));
+	pr_debug("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id,
+		 task_pid_nr(current));
 
 	if (ddev && (ddev->dev_type == SAS_FANOUT_EXPANDER_DEVICE ||
 		     ddev->dev_type == SAS_EDGE_EXPANDER_DEVICE))
 		res = sas_ex_revalidate_domain(ddev);
 
-	SAS_DPRINTK("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n",
-		    port->id, task_pid_nr(current), res);
+	pr_debug("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n",
+		 port->id, task_pid_nr(current), res);
  out:
 	mutex_unlock(&ha->disco_mutex);
 
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 579304d..17eb418 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -99,17 +99,17 @@ static int smp_execute_task_sg(struct domain_device *dev,
 
 		if (res) {
 			del_timer(&task->slow_task->timer);
-			SAS_DPRINTK("executing SMP task failed:%d\n", res);
+			pr_notice("executing SMP task failed:%d\n", res);
 			break;
 		}
 
 		wait_for_completion(&task->slow_task->completion);
 		res = -ECOMM;
 		if ((task->task_state_flags & SAS_TASK_STATE_ABORTED)) {
-			SAS_DPRINTK("smp task timed out or aborted\n");
+			pr_notice("smp task timed out or aborted\n");
 			i->dft->lldd_abort_task(task);
 			if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) {
-				SAS_DPRINTK("SMP task aborted and not done\n");
+				pr_notice("SMP task aborted and not done\n");
 				break;
 			}
 		}
@@ -134,11 +134,11 @@ static int smp_execute_task_sg(struct domain_device *dev,
 		    task->task_status.stat == SAS_DEVICE_UNKNOWN)
 			break;
 		else {
-			SAS_DPRINTK("%s: task to dev %016llx response: 0x%x "
-				    "status 0x%x\n", __func__,
-				    SAS_ADDR(dev->sas_addr),
-				    task->task_status.resp,
-				    task->task_status.stat);
+			pr_notice("%s: task to dev %016llx response: 0x%x status 0x%x\n",
+				  __func__,
+				  SAS_ADDR(dev->sas_addr),
+				  task->task_status.resp,
+				  task->task_status.stat);
 			sas_free_task(task);
 			task = NULL;
 		}
@@ -347,11 +347,11 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp)
 	if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state))
 		set_bit(DISCE_REVALIDATE_DOMAIN, &dev->port->disc.pending);
 
-	SAS_DPRINTK("%sex %016llx phy%02d:%c:%X attached: %016llx (%s)\n",
-		    test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state) ? "ata: " : "",
-		    SAS_ADDR(dev->sas_addr), phy->phy_id,
-		    sas_route_char(dev, phy), phy->linkrate,
-		    SAS_ADDR(phy->attached_sas_addr), type);
+	pr_debug("%sex %016llx phy%02d:%c:%X attached: %016llx (%s)\n",
+		 test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state) ? "ata: " : "",
+		 SAS_ADDR(dev->sas_addr), phy->phy_id,
+		 sas_route_char(dev, phy), phy->linkrate,
+		 SAS_ADDR(phy->attached_sas_addr), type);
 }
 
 /* check if we have an existing attached ata device on this expander phy */
@@ -500,12 +500,12 @@ static int sas_ex_general(struct domain_device *dev)
 				       RG_RESP_SIZE);
 
 		if (res) {
-			SAS_DPRINTK("RG to ex %016llx failed:0x%x\n",
-				    SAS_ADDR(dev->sas_addr), res);
+			pr_notice("RG to ex %016llx failed:0x%x\n",
+				  SAS_ADDR(dev->sas_addr), res);
 			goto out;
 		} else if (rg_resp->result != SMP_RESP_FUNC_ACC) {
-			SAS_DPRINTK("RG:ex %016llx returned SMP result:0x%x\n",
-				    SAS_ADDR(dev->sas_addr), rg_resp->result);
+			pr_debug("RG:ex %016llx returned SMP result:0x%x\n",
+				 SAS_ADDR(dev->sas_addr), rg_resp->result);
 			res = rg_resp->result;
 			goto out;
 		}
@@ -513,8 +513,8 @@ static int sas_ex_general(struct domain_device *dev)
 		ex_assign_report_general(dev, rg_resp);
 
 		if (dev->ex_dev.configuring) {
-			SAS_DPRINTK("RG: ex %llx self-configuring...\n",
-				    SAS_ADDR(dev->sas_addr));
+			pr_debug("RG: ex %llx self-configuring...\n",
+				 SAS_ADDR(dev->sas_addr));
 			schedule_timeout_interruptible(5*HZ);
 		} else
 			break;
@@ -568,12 +568,12 @@ static int sas_ex_manuf_info(struct domain_device *dev)
 
 	res = smp_execute_task(dev, mi_req, MI_REQ_SIZE, mi_resp,MI_RESP_SIZE);
 	if (res) {
-		SAS_DPRINTK("MI: ex %016llx failed:0x%x\n",
-			    SAS_ADDR(dev->sas_addr), res);
+		pr_notice("MI: ex %016llx failed:0x%x\n",
+			  SAS_ADDR(dev->sas_addr), res);
 		goto out;
 	} else if (mi_resp[2] != SMP_RESP_FUNC_ACC) {
-		SAS_DPRINTK("MI ex %016llx returned SMP result:0x%x\n",
-			    SAS_ADDR(dev->sas_addr), mi_resp[2]);
+		pr_debug("MI ex %016llx returned SMP result:0x%x\n",
+			 SAS_ADDR(dev->sas_addr), mi_resp[2]);
 		goto out;
 	}
 
@@ -836,10 +836,9 @@ static struct domain_device *sas_ex_discover_end_dev(
 
 		res = sas_discover_sata(child);
 		if (res) {
-			SAS_DPRINTK("sas_discover_sata() for device %16llx at "
-				    "%016llx:0x%x returned 0x%x\n",
-				    SAS_ADDR(child->sas_addr),
-				    SAS_ADDR(parent->sas_addr), phy_id, res);
+			pr_notice("sas_discover_sata() for device %16llx at %016llx:0x%x returned 0x%x\n",
+				  SAS_ADDR(child->sas_addr),
+				  SAS_ADDR(parent->sas_addr), phy_id, res);
 			goto out_list_del;
 		}
 	} else
@@ -861,16 +860,15 @@ static struct domain_device *sas_ex_discover_end_dev(
 
 		res = sas_discover_end_dev(child);
 		if (res) {
-			SAS_DPRINTK("sas_discover_end_dev() for device %16llx "
-				    "at %016llx:0x%x returned 0x%x\n",
-				    SAS_ADDR(child->sas_addr),
-				    SAS_ADDR(parent->sas_addr), phy_id, res);
+			pr_notice("sas_discover_end_dev() for device %16llx at %016llx:0x%x returned 0x%x\n",
+				  SAS_ADDR(child->sas_addr),
+				  SAS_ADDR(parent->sas_addr), phy_id, res);
 			goto out_list_del;
 		}
 	} else {
-		SAS_DPRINTK("target proto 0x%x at %016llx:0x%x not handled\n",
-			    phy->attached_tproto, SAS_ADDR(parent->sas_addr),
-			    phy_id);
+		pr_notice("target proto 0x%x at %016llx:0x%x not handled\n",
+			  phy->attached_tproto, SAS_ADDR(parent->sas_addr),
+			  phy_id);
 		goto out_free;
 	}
 
@@ -927,11 +925,10 @@ static struct domain_device *sas_ex_discover_expander(
 	int res;
 
 	if (phy->routing_attr == DIRECT_ROUTING) {
-		SAS_DPRINTK("ex %016llx:0x%x:D <--> ex %016llx:0x%x is not "
-			    "allowed\n",
-			    SAS_ADDR(parent->sas_addr), phy_id,
-			    SAS_ADDR(phy->attached_sas_addr),
-			    phy->attached_phy_id);
+		pr_warn("ex %016llx:0x%x:D <--> ex %016llx:0x%x is not allowed\n",
+			SAS_ADDR(parent->sas_addr), phy_id,
+			SAS_ADDR(phy->attached_sas_addr),
+			phy->attached_phy_id);
 		return NULL;
 	}
 	child = sas_alloc_device();
@@ -1038,25 +1035,24 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 	    ex_phy->attached_dev_type != SAS_FANOUT_EXPANDER_DEVICE &&
 	    ex_phy->attached_dev_type != SAS_EDGE_EXPANDER_DEVICE &&
 	    ex_phy->attached_dev_type != SAS_SATA_PENDING) {
-		SAS_DPRINTK("unknown device type(0x%x) attached to ex %016llx "
-			    "phy 0x%x\n", ex_phy->attached_dev_type,
-			    SAS_ADDR(dev->sas_addr),
-			    phy_id);
+		pr_warn("unknown device type(0x%x) attached to ex %016llx phy 0x%x\n",
+			ex_phy->attached_dev_type,
+			SAS_ADDR(dev->sas_addr),
+			phy_id);
 		return 0;
 	}
 
 	res = sas_configure_routing(dev, ex_phy->attached_sas_addr);
 	if (res) {
-		SAS_DPRINTK("configure routing for dev %016llx "
-			    "reported 0x%x. Forgotten\n",
-			    SAS_ADDR(ex_phy->attached_sas_addr), res);
+		pr_notice("configure routing for dev %016llx reported 0x%x. Forgotten\n",
+			  SAS_ADDR(ex_phy->attached_sas_addr), res);
 		sas_disable_routing(dev, ex_phy->attached_sas_addr);
 		return res;
 	}
 
 	if (sas_ex_join_wide_port(dev, phy_id)) {
-		SAS_DPRINTK("Attaching ex phy%d to wide port %016llx\n",
-			    phy_id, SAS_ADDR(ex_phy->attached_sas_addr));
+		pr_debug("Attaching ex phy%d to wide port %016llx\n",
+			 phy_id, SAS_ADDR(ex_phy->attached_sas_addr));
 		return res;
 	}
 
@@ -1067,12 +1063,11 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 		break;
 	case SAS_FANOUT_EXPANDER_DEVICE:
 		if (SAS_ADDR(dev->port->disc.fanout_sas_addr)) {
-			SAS_DPRINTK("second fanout expander %016llx phy 0x%x "
-				    "attached to ex %016llx phy 0x%x\n",
-				    SAS_ADDR(ex_phy->attached_sas_addr),
-				    ex_phy->attached_phy_id,
-				    SAS_ADDR(dev->sas_addr),
-				    phy_id);
+			pr_debug("second fanout expander %016llx phy 0x%x attached to ex %016llx phy 0x%x\n",
+				 SAS_ADDR(ex_phy->attached_sas_addr),
+				 ex_phy->attached_phy_id,
+				 SAS_ADDR(dev->sas_addr),
+				 phy_id);
 			sas_ex_disable_phy(dev, phy_id);
 			break;
 		} else
@@ -1101,9 +1096,8 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 			    SAS_ADDR(child->sas_addr)) {
 				ex->ex_phy[i].phy_state= PHY_DEVICE_DISCOVERED;
 				if (sas_ex_join_wide_port(dev, i))
-					SAS_DPRINTK("Attaching ex phy%d to wide port %016llx\n",
-						    i, SAS_ADDR(ex->ex_phy[i].attached_sas_addr));
-
+					pr_debug("Attaching ex phy%d to wide port %016llx\n",
+						 i, SAS_ADDR(ex->ex_phy[i].attached_sas_addr));
 			}
 		}
 	}
@@ -1154,13 +1148,11 @@ static int sas_check_level_subtractive_boundary(struct domain_device *dev)
 			if (sas_find_sub_addr(child, s2) &&
 			    (SAS_ADDR(sub_addr) != SAS_ADDR(s2))) {
 
-				SAS_DPRINTK("ex %016llx->%016llx-?->%016llx "
-					    "diverges from subtractive "
-					    "boundary %016llx\n",
-					    SAS_ADDR(dev->sas_addr),
-					    SAS_ADDR(child->sas_addr),
-					    SAS_ADDR(s2),
-					    SAS_ADDR(sub_addr));
+				pr_notice("ex %016llx->%016llx-?->%016llx diverges from subtractive boundary %016llx\n",
+					  SAS_ADDR(dev->sas_addr),
+					  SAS_ADDR(child->sas_addr),
+					  SAS_ADDR(s2),
+					  SAS_ADDR(sub_addr));
 
 				sas_ex_disable_port(child, s2);
 			}
@@ -1239,12 +1231,10 @@ static int sas_check_ex_subtractive_boundary(struct domain_device *dev)
 			else if (SAS_ADDR(sub_sas_addr) !=
 				 SAS_ADDR(phy->attached_sas_addr)) {
 
-				SAS_DPRINTK("ex %016llx phy 0x%x "
-					    "diverges(%016llx) on subtractive "
-					    "boundary(%016llx). Disabled\n",
-					    SAS_ADDR(dev->sas_addr), i,
-					    SAS_ADDR(phy->attached_sas_addr),
-					    SAS_ADDR(sub_sas_addr));
+				pr_notice("ex %016llx phy 0x%x diverges(%016llx) on subtractive boundary(%016llx). Disabled\n",
+					  SAS_ADDR(dev->sas_addr), i,
+					  SAS_ADDR(phy->attached_sas_addr),
+					  SAS_ADDR(sub_sas_addr));
 				sas_ex_disable_phy(dev, i);
 			}
 		}
@@ -1284,13 +1274,12 @@ static int sas_check_eeds(struct domain_device *child,
 
 	if (SAS_ADDR(parent->port->disc.fanout_sas_addr) != 0) {
 		res = -ENODEV;
-		SAS_DPRINTK("edge ex %016llx phy S:0x%x <--> edge ex %016llx "
-			    "phy S:0x%x, while there is a fanout ex %016llx\n",
-			    SAS_ADDR(parent->sas_addr),
-			    parent_phy->phy_id,
-			    SAS_ADDR(child->sas_addr),
-			    child_phy->phy_id,
-			    SAS_ADDR(parent->port->disc.fanout_sas_addr));
+		pr_warn("edge ex %016llx phy S:0x%x <--> edge ex %016llx phy S:0x%x, while there is a fanout ex %016llx\n",
+			SAS_ADDR(parent->sas_addr),
+			parent_phy->phy_id,
+			SAS_ADDR(child->sas_addr),
+			child_phy->phy_id,
+			SAS_ADDR(parent->port->disc.fanout_sas_addr));
 	} else if (SAS_ADDR(parent->port->disc.eeds_a) == 0) {
 		memcpy(parent->port->disc.eeds_a, parent->sas_addr,
 		       SAS_ADDR_SIZE);
@@ -1308,12 +1297,11 @@ static int sas_check_eeds(struct domain_device *child,
 		;
 	else {
 		res = -ENODEV;
-		SAS_DPRINTK("edge ex %016llx phy 0x%x <--> edge ex %016llx "
-			    "phy 0x%x link forms a third EEDS!\n",
-			    SAS_ADDR(parent->sas_addr),
-			    parent_phy->phy_id,
-			    SAS_ADDR(child->sas_addr),
-			    child_phy->phy_id);
+		pr_warn("edge ex %016llx phy 0x%x <--> edge ex %016llx phy 0x%x link forms a third EEDS!\n",
+			SAS_ADDR(parent->sas_addr),
+			parent_phy->phy_id,
+			SAS_ADDR(child->sas_addr),
+			child_phy->phy_id);
 	}
 
 	return res;
@@ -1427,14 +1415,13 @@ static int sas_configure_present(struct domain_device *dev, int phy_id,
 			goto out;
 		res = rri_resp[2];
 		if (res == SMP_RESP_NO_INDEX) {
-			SAS_DPRINTK("overflow of indexes: dev %016llx "
-				    "phy 0x%x index 0x%x\n",
-				    SAS_ADDR(dev->sas_addr), phy_id, i);
+			pr_warn("overflow of indexes: dev %016llx phy 0x%x index 0x%x\n",
+				SAS_ADDR(dev->sas_addr), phy_id, i);
 			goto out;
 		} else if (res != SMP_RESP_FUNC_ACC) {
-			SAS_DPRINTK("%s: dev %016llx phy 0x%x index 0x%x "
-				    "result 0x%x\n", __func__,
-				    SAS_ADDR(dev->sas_addr), phy_id, i, res);
+			pr_notice("%s: dev %016llx phy 0x%x index 0x%x result 0x%x\n",
+				  __func__, SAS_ADDR(dev->sas_addr), phy_id,
+				  i, res);
 			goto out;
 		}
 		if (SAS_ADDR(sas_addr) != 0) {
@@ -1498,9 +1485,8 @@ static int sas_configure_set(struct domain_device *dev, int phy_id,
 		goto out;
 	res = cri_resp[2];
 	if (res == SMP_RESP_NO_INDEX) {
-		SAS_DPRINTK("overflow of indexes: dev %016llx phy 0x%x "
-			    "index 0x%x\n",
-			    SAS_ADDR(dev->sas_addr), phy_id, index);
+		pr_warn("overflow of indexes: dev %016llx phy 0x%x index 0x%x\n",
+			SAS_ADDR(dev->sas_addr), phy_id, index);
 	}
 out:
 	kfree(cri_req);
@@ -1547,8 +1533,8 @@ static int sas_configure_parent(struct domain_device *parent,
 	}
 
 	if (ex_parent->conf_route_table == 0) {
-		SAS_DPRINTK("ex %016llx has self-configuring routing table\n",
-			    SAS_ADDR(parent->sas_addr));
+		pr_debug("ex %016llx has self-configuring routing table\n",
+			 SAS_ADDR(parent->sas_addr));
 		return 0;
 	}
 
@@ -1609,8 +1595,8 @@ static int sas_discover_expander(struct domain_device *dev)
 
 	res = sas_expander_discover(dev);
 	if (res) {
-		SAS_DPRINTK("expander %016llx discovery failed(0x%x)\n",
-			    SAS_ADDR(dev->sas_addr), res);
+		pr_warn("expander %016llx discovery failed(0x%x)\n",
+			SAS_ADDR(dev->sas_addr), res);
 		goto out_err;
 	}
 
@@ -1854,10 +1840,10 @@ static int sas_find_bcast_dev(struct domain_device *dev,
 		if (phy_id != -1) {
 			*src_dev = dev;
 			ex->ex_change_count = ex_change_count;
-			SAS_DPRINTK("Expander phy change count has changed\n");
+			pr_info("Expander phy change count has changed\n");
 			return res;
 		} else
-			SAS_DPRINTK("Expander phys DID NOT change\n");
+			pr_info("Expander phys DID NOT change\n");
 	}
 	list_for_each_entry(ch, &ex->children, siblings) {
 		if (ch->dev_type == SAS_EDGE_EXPANDER_DEVICE || ch->dev_type == SAS_FANOUT_EXPANDER_DEVICE) {
@@ -1967,8 +1953,8 @@ static int sas_discover_new(struct domain_device *dev, int phy_id)
 	struct domain_device *child;
 	int res;
 
-	SAS_DPRINTK("ex %016llx phy%d new device attached\n",
-		    SAS_ADDR(dev->sas_addr), phy_id);
+	pr_debug("ex %016llx phy%d new device attached\n",
+		 SAS_ADDR(dev->sas_addr), phy_id);
 	res = sas_ex_phy_discover(dev, phy_id);
 	if (res)
 		return res;
@@ -2046,15 +2032,15 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last)
 
 		if (ata_dev && phy->attached_dev_type == SAS_SATA_PENDING)
 			action = ", needs recovery";
-		SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter%s\n",
-			    SAS_ADDR(dev->sas_addr), phy_id, action);
+		pr_debug("ex %016llx phy 0x%x broadcast flutter%s\n",
+			 SAS_ADDR(dev->sas_addr), phy_id, action);
 		return res;
 	}
 
 	/* we always have to delete the old device when we went here */
-	SAS_DPRINTK("ex %016llx phy 0x%x replace %016llx\n",
-		    SAS_ADDR(dev->sas_addr), phy_id,
-		    SAS_ADDR(phy->attached_sas_addr));
+	pr_info("ex %016llx phy 0x%x replace %016llx\n",
+		SAS_ADDR(dev->sas_addr), phy_id,
+		SAS_ADDR(phy->attached_sas_addr));
 	sas_unregister_devs_sas_addr(dev, phy_id, last);
 
 	return sas_discover_new(dev, phy_id);
@@ -2082,8 +2068,8 @@ static int sas_rediscover(struct domain_device *dev, const int phy_id)
 	int i;
 	bool last = true;	/* is this the last phy of the port */
 
-	SAS_DPRINTK("ex %016llx phy%d originated BROADCAST(CHANGE)\n",
-		    SAS_ADDR(dev->sas_addr), phy_id);
+	pr_debug("ex %016llx phy%d originated BROADCAST(CHANGE)\n",
+		 SAS_ADDR(dev->sas_addr), phy_id);
 
 	if (SAS_ADDR(changed_phy->attached_sas_addr) != 0) {
 		for (i = 0; i < ex->num_phys; i++) {
@@ -2093,8 +2079,8 @@ static int sas_rediscover(struct domain_device *dev, const int phy_id)
 				continue;
 			if (SAS_ADDR(phy->attached_sas_addr) ==
 			    SAS_ADDR(changed_phy->attached_sas_addr)) {
-				SAS_DPRINTK("phy%d part of wide port with "
-					    "phy%d\n", phy_id, i);
+				pr_debug("phy%d part of wide port with phy%d\n",
+					 phy_id, i);
 				last = false;
 				break;
 			}
@@ -2152,23 +2138,23 @@ void sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
 	case SAS_FANOUT_EXPANDER_DEVICE:
 		break;
 	default:
-		printk("%s: can we send a smp request to a device?\n",
+		pr_err("%s: can we send a smp request to a device?\n",
 		       __func__);
 		goto out;
 	}
 
 	dev = sas_find_dev_by_rphy(rphy);
 	if (!dev) {
-		printk("%s: fail to find a domain_device?\n", __func__);
+		pr_err("%s: fail to find a domain_device?\n", __func__);
 		goto out;
 	}
 
 	/* do we need to support multiple segments? */
 	if (job->request_payload.sg_cnt > 1 ||
 	    job->reply_payload.sg_cnt > 1) {
-		printk("%s: multiple segments req %u, rsp %u\n",
-		       __func__, job->request_payload.payload_len,
-		       job->reply_payload.payload_len);
+		pr_info("%s: multiple segments req %u, rsp %u\n",
+			__func__, job->request_payload.payload_len,
+			job->reply_payload.payload_len);
 		goto out;
 	}
 
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index a3c25e2..221340e 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -128,19 +128,19 @@ int sas_register_ha(struct sas_ha_struct *sas_ha)
 
 	error = sas_register_phys(sas_ha);
 	if (error) {
-		printk(KERN_NOTICE "couldn't register sas phys:%d\n", error);
+		pr_notice("couldn't register sas phys:%d\n", error);
 		return error;
 	}
 
 	error = sas_register_ports(sas_ha);
 	if (error) {
-		printk(KERN_NOTICE "couldn't register sas ports:%d\n", error);
+		pr_notice("couldn't register sas ports:%d\n", error);
 		goto Undo_phys;
 	}
 
 	error = sas_init_events(sas_ha);
 	if (error) {
-		printk(KERN_NOTICE "couldn't start event thread:%d\n", error);
+		pr_notice("couldn't start event thread:%d\n", error);
 		goto Undo_ports;
 	}
 
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 910aa31..2cdb981 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -40,9 +40,6 @@
 
 #define pr_fmt(fmt) SAS_FMT fmt
 
-#define SAS_DPRINTK(fmt, ...) printk(KERN_DEBUG fmt, ## __VA_ARGS__)
-
-
 #define TO_SAS_TASK(_scsi_cmd)  ((void *)(_scsi_cmd)->host_scribble)
 #define ASSIGN_SAS_TASK(_sc, _t) do { (_sc)->host_scribble = (void *) _t; } while (0)
 
@@ -127,10 +124,10 @@ static inline void sas_smp_host_handler(struct bsg_job *job,
 
 static inline void sas_fail_probe(struct domain_device *dev, const char *func, int err)
 {
-	SAS_DPRINTK("%s: for %s device %16llx returned %d\n",
-		    func, dev->parent ? "exp-attached" :
-					    "direct-attached",
-		    SAS_ADDR(dev->sas_addr), err);
+	pr_warn("%s: for %s device %16llx returned %d\n",
+		func, dev->parent ? "exp-attached" :
+		"direct-attached",
+		SAS_ADDR(dev->sas_addr), err);
 	sas_unregister_dev(dev->port, dev);
 }
 
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index fad23dd3..03fe479 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -110,9 +110,9 @@ static void sas_form_port(struct asd_sas_phy *phy)
 			wake_up(&sas_ha->eh_wait_q);
 			return;
 		} else {
-			SAS_DPRINTK("%s: phy%d belongs to port%d already(%d)!\n",
-				    __func__, phy->id, phy->port->id,
-				    phy->port->num_phys);
+			pr_info("%s: phy%d belongs to port%d already(%d)!\n",
+				__func__, phy->id, phy->port->id,
+				phy->port->num_phys);
 			return;
 		}
 	}
@@ -125,8 +125,8 @@ static void sas_form_port(struct asd_sas_phy *phy)
 		if (*(u64 *) port->sas_addr &&
 		    phy_is_wideport_member(port, phy) && port->num_phys > 0) {
 			/* wide port */
-			SAS_DPRINTK("phy%d matched wide port%d\n", phy->id,
-				    port->id);
+			pr_debug("phy%d matched wide port%d\n", phy->id,
+				 port->id);
 			break;
 		}
 		spin_unlock(&port->phy_list_lock);
@@ -147,8 +147,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
 	}
 
 	if (i >= sas_ha->num_phys) {
-		printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n",
-		       __func__);
+		pr_err("%s: couldn't find a free port, bug?\n", __func__);
 		spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags);
 		return;
 	}
@@ -180,10 +179,10 @@ static void sas_form_port(struct asd_sas_phy *phy)
 	}
 	sas_port_add_phy(port->port, phy->phy);
 
-	SAS_DPRINTK("%s added to %s, phy_mask:0x%x (%16llx)\n",
-		    dev_name(&phy->phy->dev), dev_name(&port->port->dev),
-		    port->phy_mask,
-		    SAS_ADDR(port->attached_sas_addr));
+	pr_debug("%s added to %s, phy_mask:0x%x (%16llx)\n",
+		 dev_name(&phy->phy->dev), dev_name(&port->port->dev),
+		 port->phy_mask,
+		 SAS_ADDR(port->attached_sas_addr));
 
 	if (port->port_dev)
 		port->port_dev->pathways = port->num_phys;
@@ -279,7 +278,7 @@ void sas_porte_broadcast_rcvd(struct work_struct *work)
 	prim = phy->sas_prim;
 	spin_unlock_irqrestore(&phy->sas_prim_lock, flags);
 
-	SAS_DPRINTK("broadcast received: %d\n", prim);
+	pr_debug("broadcast received: %d\n", prim);
 	sas_discover_event(phy->port, DISCE_REVALIDATE_DOMAIN);
 
 	if (phy->port)
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 3322934..674789b 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -93,9 +93,8 @@ static void sas_end_task(struct scsi_cmnd *sc, struct sas_task *task)
 				hs = DID_ERROR;
 			break;
 		case SAS_PROTO_RESPONSE:
-			SAS_DPRINTK("LLDD:%s sent SAS_PROTO_RESP for an SSP "
-				    "task; please report this\n",
-				    task->dev->port->ha->sas_ha_name);
+			pr_notice("LLDD:%s sent SAS_PROTO_RESP for an SSP task; please report this\n",
+				  task->dev->port->ha->sas_ha_name);
 			break;
 		case SAS_ABORTED_TASK:
 			hs = DID_ABORT;
@@ -132,12 +131,12 @@ static void sas_scsi_task_done(struct sas_task *task)
 
 	if (unlikely(!task)) {
 		/* task will be completed by the error handler */
-		SAS_DPRINTK("task done but aborted\n");
+		pr_debug("task done but aborted\n");
 		return;
 	}
 
 	if (unlikely(!sc)) {
-		SAS_DPRINTK("task_done called with non existing SCSI cmnd!\n");
+		pr_debug("task_done called with non existing SCSI cmnd!\n");
 		sas_free_task(task);
 		return;
 	}
@@ -208,7 +207,7 @@ int sas_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
 	return 0;
 
 out_free_task:
-	SAS_DPRINTK("lldd_execute_task returned: %d\n", res);
+	pr_debug("lldd_execute_task returned: %d\n", res);
 	ASSIGN_SAS_TASK(cmd, NULL);
 	sas_free_task(task);
 	if (res == -SAS_QUEUE_FULL)
@@ -301,40 +300,38 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task)
 		to_sas_internal(task->dev->port->ha->core.shost->transportt);
 
 	for (i = 0; i < 5; i++) {
-		SAS_DPRINTK("%s: aborting task 0x%p\n", __func__, task);
+		pr_notice("%s: aborting task 0x%p\n", __func__, task);
 		res = si->dft->lldd_abort_task(task);
 
 		spin_lock_irqsave(&task->task_state_lock, flags);
 		if (task->task_state_flags & SAS_TASK_STATE_DONE) {
 			spin_unlock_irqrestore(&task->task_state_lock, flags);
-			SAS_DPRINTK("%s: task 0x%p is done\n", __func__,
-				    task);
+			pr_debug("%s: task 0x%p is done\n", __func__, task);
 			return TASK_IS_DONE;
 		}
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
 
 		if (res == TMF_RESP_FUNC_COMPLETE) {
-			SAS_DPRINTK("%s: task 0x%p is aborted\n",
-				    __func__, task);
+			pr_notice("%s: task 0x%p is aborted\n",
+				  __func__, task);
 			return TASK_IS_ABORTED;
 		} else if (si->dft->lldd_query_task) {
-			SAS_DPRINTK("%s: querying task 0x%p\n",
-				    __func__, task);
+			pr_notice("%s: querying task 0x%p\n", __func__, task);
 			res = si->dft->lldd_query_task(task);
 			switch (res) {
 			case TMF_RESP_FUNC_SUCC:
-				SAS_DPRINTK("%s: task 0x%p at LU\n",
-					    __func__, task);
+				pr_notice("%s: task 0x%p at LU\n", __func__,
+					  task);
 				return TASK_IS_AT_LU;
 			case TMF_RESP_FUNC_COMPLETE:
-				SAS_DPRINTK("%s: task 0x%p not at LU\n",
-					    __func__, task);
+				pr_notice("%s: task 0x%p not at LU\n",
+					  __func__, task);
 				return TASK_IS_NOT_AT_LU;
 			case TMF_RESP_FUNC_FAILED:
-                                SAS_DPRINTK("%s: task 0x%p failed to abort\n",
-                                                __func__, task);
-                                return TASK_ABORT_FAILED;
-                        }
+				pr_notice("%s: task 0x%p failed to abort\n",
+					  __func__, task);
+				return TASK_ABORT_FAILED;
+			}
 
 		}
 	}
@@ -350,9 +347,9 @@ static int sas_recover_lu(struct domain_device *dev, struct scsi_cmnd *cmd)
 
 	int_to_scsilun(cmd->device->lun, &lun);
 
-	SAS_DPRINTK("eh: device %llx LUN %llx has the task\n",
-		    SAS_ADDR(dev->sas_addr),
-		    cmd->device->lun);
+	pr_notice("eh: device %llx LUN %llx has the task\n",
+		  SAS_ADDR(dev->sas_addr),
+		  cmd->device->lun);
 
 	if (i->dft->lldd_abort_task_set)
 		res = i->dft->lldd_abort_task_set(dev, lun.scsi_lun);
@@ -376,8 +373,8 @@ static int sas_recover_I_T(struct domain_device *dev)
 	struct sas_internal *i =
 		to_sas_internal(dev->port->ha->core.shost->transportt);
 
-	SAS_DPRINTK("I_T nexus reset for dev %016llx\n",
-		    SAS_ADDR(dev->sas_addr));
+	pr_notice("I_T nexus reset for dev %016llx\n",
+		  SAS_ADDR(dev->sas_addr));
 
 	if (i->dft->lldd_I_T_nexus_reset)
 		res = i->dft->lldd_I_T_nexus_reset(dev);
@@ -471,9 +468,9 @@ static int sas_queue_reset(struct domain_device *dev, int reset_type,
 			return SUCCESS;
 	}
 
-	SAS_DPRINTK("%s reset of %s failed\n",
-		    reset_type == SAS_DEV_LU_RESET ? "LUN" : "Bus",
-		    dev_name(&dev->rphy->dev));
+	pr_warn("%s reset of %s failed\n",
+		reset_type == SAS_DEV_LU_RESET ? "LUN" : "Bus",
+		dev_name(&dev->rphy->dev));
 
 	return FAILED;
 }
@@ -501,7 +498,7 @@ int sas_eh_abort_handler(struct scsi_cmnd *cmd)
 	if (task)
 		res = i->dft->lldd_abort_task(task);
 	else
-		SAS_DPRINTK("no task to abort\n");
+		pr_notice("no task to abort\n");
 	if (res == TMF_RESP_FUNC_SUCC || res == TMF_RESP_FUNC_COMPLETE)
 		return SUCCESS;
 
@@ -612,34 +609,33 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
 
 		if (need_reset) {
-			SAS_DPRINTK("%s: task 0x%p requests reset\n",
-				    __func__, task);
+			pr_notice("%s: task 0x%p requests reset\n",
+				  __func__, task);
 			goto reset;
 		}
 
-		SAS_DPRINTK("trying to find task 0x%p\n", task);
+		pr_debug("trying to find task 0x%p\n", task);
 		res = sas_scsi_find_task(task);
 
 		switch (res) {
 		case TASK_IS_DONE:
-			SAS_DPRINTK("%s: task 0x%p is done\n", __func__,
+			pr_notice("%s: task 0x%p is done\n", __func__,
 				    task);
 			sas_eh_finish_cmd(cmd);
 			continue;
 		case TASK_IS_ABORTED:
-			SAS_DPRINTK("%s: task 0x%p is aborted\n",
-				    __func__, task);
+			pr_notice("%s: task 0x%p is aborted\n",
+				  __func__, task);
 			sas_eh_finish_cmd(cmd);
 			continue;
 		case TASK_IS_AT_LU:
-			SAS_DPRINTK("task 0x%p is at LU: lu recover\n", task);
+			pr_info("task 0x%p is at LU: lu recover\n", task);
  reset:
 			tmf_resp = sas_recover_lu(task->dev, cmd);
 			if (tmf_resp == TMF_RESP_FUNC_COMPLETE) {
-				SAS_DPRINTK("dev %016llx LU %llx is "
-					    "recovered\n",
-					    SAS_ADDR(task->dev),
-					    cmd->device->lun);
+				pr_notice("dev %016llx LU %llx is recovered\n",
+					  SAS_ADDR(task->dev),
+					  cmd->device->lun);
 				sas_eh_finish_cmd(cmd);
 				sas_scsi_clear_queue_lu(work_q, cmd);
 				goto Again;
@@ -647,14 +643,14 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
 			/* fallthrough */
 		case TASK_IS_NOT_AT_LU:
 		case TASK_ABORT_FAILED:
-			SAS_DPRINTK("task 0x%p is not at LU: I_T recover\n",
-				    task);
+			pr_notice("task 0x%p is not at LU: I_T recover\n",
+				  task);
 			tmf_resp = sas_recover_I_T(task->dev);
 			if (tmf_resp == TMF_RESP_FUNC_COMPLETE ||
 			    tmf_resp == -ENODEV) {
 				struct domain_device *dev = task->dev;
-				SAS_DPRINTK("I_T %016llx recovered\n",
-					    SAS_ADDR(task->dev->sas_addr));
+				pr_notice("I_T %016llx recovered\n",
+					  SAS_ADDR(task->dev->sas_addr));
 				sas_eh_finish_cmd(cmd);
 				sas_scsi_clear_queue_I_T(work_q, dev);
 				goto Again;
@@ -663,12 +659,12 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
 			try_to_reset_cmd_device(cmd);
 			if (i->dft->lldd_clear_nexus_port) {
 				struct asd_sas_port *port = task->dev->port;
-				SAS_DPRINTK("clearing nexus for port:%d\n",
-					    port->id);
+				pr_debug("clearing nexus for port:%d\n",
+					  port->id);
 				res = i->dft->lldd_clear_nexus_port(port);
 				if (res == TMF_RESP_FUNC_COMPLETE) {
-					SAS_DPRINTK("clear nexus port:%d "
-						    "succeeded\n", port->id);
+					pr_notice("clear nexus port:%d succeeded\n",
+						  port->id);
 					sas_eh_finish_cmd(cmd);
 					sas_scsi_clear_queue_port(work_q,
 								  port);
@@ -676,11 +672,10 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
 				}
 			}
 			if (i->dft->lldd_clear_nexus_ha) {
-				SAS_DPRINTK("clear nexus ha\n");
+				pr_debug("clear nexus ha\n");
 				res = i->dft->lldd_clear_nexus_ha(ha);
 				if (res == TMF_RESP_FUNC_COMPLETE) {
-					SAS_DPRINTK("clear nexus ha "
-						    "succeeded\n");
+					pr_notice("clear nexus ha succeeded\n");
 					sas_eh_finish_cmd(cmd);
 					goto clear_q;
 				}
@@ -689,10 +684,9 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
 			 * of effort could recover from errors.  Quite
 			 * possibly the HA just disappeared.
 			 */
-			SAS_DPRINTK("error from  device %llx, LUN %llx "
-				    "couldn't be recovered in any way\n",
-				    SAS_ADDR(task->dev->sas_addr),
-				    cmd->device->lun);
+			pr_err("error from  device %llx, LUN %llx couldn't be recovered in any way\n",
+			       SAS_ADDR(task->dev->sas_addr),
+			       cmd->device->lun);
 
 			sas_eh_finish_cmd(cmd);
 			goto clear_q;
@@ -704,7 +698,7 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *
 	return;
 
  clear_q:
-	SAS_DPRINTK("--- Exit %s -- clear_q\n", __func__);
+	pr_debug("--- Exit %s -- clear_q\n", __func__);
 	list_for_each_entry_safe(cmd, n, work_q, eh_entry)
 		sas_eh_finish_cmd(cmd);
 	goto out;
@@ -758,8 +752,8 @@ void sas_scsi_recover_host(struct Scsi_Host *shost)
 	list_splice_init(&shost->eh_cmd_q, &eh_work_q);
 	spin_unlock_irq(shost->host_lock);
 
-	SAS_DPRINTK("Enter %s busy: %d failed: %d\n",
-		    __func__, scsi_host_busy(shost), shost->host_failed);
+	pr_notice("Enter %s busy: %d failed: %d\n",
+		  __func__, scsi_host_busy(shost), shost->host_failed);
 	/*
 	 * Deal with commands that still have SAS tasks (i.e. they didn't
 	 * complete via the normal sas_task completion mechanism),
@@ -800,9 +794,9 @@ void sas_scsi_recover_host(struct Scsi_Host *shost)
 	if (retry)
 		goto retry;
 
-	SAS_DPRINTK("--- Exit %s: busy: %d failed: %d tries: %d\n",
-		    __func__, scsi_host_busy(shost),
-		    shost->host_failed, tries);
+	pr_notice("--- Exit %s: busy: %d failed: %d tries: %d\n",
+		  __func__, scsi_host_busy(shost),
+		  shost->host_failed, tries);
 }
 
 int sas_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
@@ -875,9 +869,8 @@ int sas_slave_configure(struct scsi_device *scsi_dev)
 	if (scsi_dev->tagged_supported) {
 		scsi_change_queue_depth(scsi_dev, SAS_DEF_QD);
 	} else {
-		SAS_DPRINTK("device %llx, LUN %llx doesn't support "
-			    "TCQ\n", SAS_ADDR(dev->sas_addr),
-			    scsi_dev->lun);
+		pr_notice("device %llx, LUN %llx doesn't support TCQ\n",
+			  SAS_ADDR(dev->sas_addr), scsi_dev->lun);
 		scsi_change_queue_depth(scsi_dev, 1);
 	}
 
diff --git a/drivers/scsi/libsas/sas_task.c b/drivers/scsi/libsas/sas_task.c
index d305c8f..c3b9bef 100644
--- a/drivers/scsi/libsas/sas_task.c
+++ b/drivers/scsi/libsas/sas_task.c
@@ -26,11 +26,8 @@ void sas_ssp_task_response(struct device *dev, struct sas_task *task,
 		memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size);
 
 		if (iu->status != SAM_STAT_CHECK_CONDITION)
-			dev_printk(KERN_WARNING, dev,
-				   "dev %llx sent sense data, but "
-				   "stat(%x) is not CHECK CONDITION\n",
-				   SAS_ADDR(task->dev->sas_addr),
-				   iu->status);
+			dev_warn(dev, "dev %llx sent sense data, but stat(%x) is not CHECK CONDITION\n",
+				 SAS_ADDR(task->dev->sas_addr), iu->status);
 	}
 	else
 		/* when datapres contains corrupt/unknown value... */
-- 
1.9.1

[PATCH v2 5/5] scsi: libsas: Remove pcidev reference

[John Garry]

Not all host drivers are PCI drivers - like hisi_sas, which supports a
platform driver - so remove reference to "pcidev".

Signed-off-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/libsas/sas_discover.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index 3eb9ff2..726ada9 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -186,7 +186,7 @@ int sas_notify_lldd_dev_found(struct domain_device *dev)
 
 	res = i->dft->lldd_dev_found(dev);
 	if (res) {
-		pr_warn("driver on pcidev %s cannot handle device %llx, error:%d\n",
+		pr_warn("driver on host %s cannot handle device %llx, error:%d\n",
 			dev_name(sas_ha->dev),
 			SAS_ADDR(dev->sas_addr), res);
 	}
-- 
1.9.1

Re: [PATCH v2 0/5] libsas: Some logging tidy-up

[Joe Perches]

On Thu, 2018-11-15 at 18:20 +0800, John Garry wrote:
> This patchset presents some logging tidy-up, namely removing the printk
> wrappers and using pr_XXX() instead.
> 
> In addition, some log levels are revised, as previous levels (generally
> debug) were too low.

Seems sensible, thanks.

Re: [PATCH v2 0/5] libsas: Some logging tidy-up

[Martin K. Petersen]

John,

> This patchset presents some logging tidy-up, namely removing the
> printk wrappers and using pr_XXX() instead.
>
> In addition, some log levels are revised, as previous levels
> (generally debug) were too low.
>
> Finally a referece to "pci" is removed from a log, and unreferenced
> dump files are deleted.

Applied to 4.21/scsi-queue. Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering