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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/drivers/scsi/libsas/sas_discover.c
....@@ -1,25 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0
12 /*
23  * Serial Attached SCSI (SAS) Discover process
34  *
45  * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
56  * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
6
- *
7
- * This file is licensed under GPLv2.
8
- *
9
- * This program is free software; you can redistribute it and/or
10
- * modify it under the terms of the GNU General Public License as
11
- * published by the Free Software Foundation; either version 2 of the
12
- * License, or (at your option) any later version.
13
- *
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- * This program is distributed in the hope that it will be useful, but
15
- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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- * General Public License for more details.
18
- *
19
- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
21
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
22
- *
237  */
248 
259 #include <linux/scatterlist.h>
....@@ -124,7 +108,7 @@
124108 			rphy = NULL;
125109 			break;
126110 		}
127
-		/* fall through */
111
+		fallthrough;
128112 	case SAS_END_DEVICE:
129113 		rphy = sas_end_device_alloc(port->port);
130114 		break;
....@@ -137,7 +121,7 @@
137121 					  SAS_FANOUT_EXPANDER_DEVICE);
138122 		break;
139123 	default:
140
-		printk("ERROR: Unidentified device type %d\n", dev->dev_type);
124
+		pr_warn("ERROR: Unidentified device type %d\n", dev->dev_type);
141125 		rphy = NULL;
142126 		break;
143127 	}
....@@ -195,14 +179,14 @@
195179 
196180 	res = i->dft->lldd_dev_found(dev);
197181 	if (res) {
198
-		printk("sas: driver on pcidev %s cannot handle "
199
-		       "device %llx, error:%d\n",
200
-		       dev_name(sas_ha->dev),
201
-		       SAS_ADDR(dev->sas_addr), res);
182
+		pr_warn("driver on host %s cannot handle device %016llx, error:%d\n",
183
+			dev_name(sas_ha->dev),
184
+			SAS_ADDR(dev->sas_addr), res);
185
+		return res;
202186 	}
203187 	set_bit(SAS_DEV_FOUND, &dev->state);
204188 	kref_get(&dev->kref);
205
-	return res;
189
+	return 0;
206190 }
207191 
208192 
....@@ -269,7 +253,7 @@
269253 	 * phy_list is not being mutated
270254 	 */
271255 	list_for_each_entry(phy, &port->phy_list, port_phy_el) {
272
-		if (si->dft->lldd_port_formed)
256
+		if (si->dft->lldd_port_deformed)
273257 			si->dft->lldd_port_deformed(phy);
274258 		phy->suspended = 1;
275259 		port->suspended = 1;
....@@ -294,13 +278,7 @@
294278  */
295279 int sas_discover_end_dev(struct domain_device *dev)
296280 {
297
-	int res;
298
-
299
-	res = sas_notify_lldd_dev_found(dev);
300
-	if (res)
301
-		return res;
302
-
303
-	return 0;
281
+	return sas_notify_lldd_dev_found(dev);
304282 }
305283 
306284 /* ---------- Device registration and unregistration ---------- */
....@@ -319,7 +297,7 @@
319297 	dev->phy = NULL;
320298 
321299 	/* remove the phys and ports, everything else should be gone */
322
-	if (dev->dev_type == SAS_EDGE_EXPANDER_DEVICE || dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
300
+	if (dev_is_expander(dev->dev_type))
323301 		kfree(dev->ex_dev.ex_phy);
324302 
325303 	if (dev_is_sata(dev) && dev->sata_dev.ap) {
....@@ -465,8 +443,8 @@
465443 		return;
466444 	dev = port->port_dev;
467445 
468
-	SAS_DPRINTK("DOING DISCOVERY on port %d, pid:%d\n", port->id,
469
-		    task_pid_nr(current));
446
+	pr_debug("DOING DISCOVERY on port %d, pid:%d\n", port->id,
447
+		 task_pid_nr(current));
470448 
471449 	switch (dev->dev_type) {
472450 	case SAS_END_DEVICE:
....@@ -482,12 +460,13 @@
482460 		error = sas_discover_sata(dev);
483461 		break;
484462 #else
485
-		SAS_DPRINTK("ATA device seen but CONFIG_SCSI_SAS_ATA=N so cannot attach\n");
463
+		pr_notice("ATA device seen but CONFIG_SCSI_SAS_ATA=N so cannot attach\n");
486464 		/* Fall through */
487465 #endif
466
+		/* Fall through - only for the #else condition above. */
488467 	default:
489468 		error = -ENXIO;
490
-		SAS_DPRINTK("unhandled device %d\n", dev->dev_type);
469
+		pr_err("unhandled device %d\n", dev->dev_type);
491470 		break;
492471 	}
493472 
....@@ -504,8 +483,8 @@
504483 
505484 	sas_probe_devices(port);
506485 
507
-	SAS_DPRINTK("DONE DISCOVERY on port %d, pid:%d, result:%d\n", port->id,
508
-		    task_pid_nr(current), error);
486
+	pr_debug("DONE DISCOVERY on port %d, pid:%d, result:%d\n", port->id,
487
+		 task_pid_nr(current), error);
509488 }
510489 
511490 static void sas_revalidate_domain(struct work_struct *work)
....@@ -519,22 +498,21 @@
519498 	/* prevent revalidation from finding sata links in recovery */
520499 	mutex_lock(&ha->disco_mutex);
521500 	if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) {
522
-		SAS_DPRINTK("REVALIDATION DEFERRED on port %d, pid:%d\n",
523
-			    port->id, task_pid_nr(current));
501
+		pr_debug("REVALIDATION DEFERRED on port %d, pid:%d\n",
502
+			 port->id, task_pid_nr(current));
524503 		goto out;
525504 	}
526505 
527506 	clear_bit(DISCE_REVALIDATE_DOMAIN, &port->disc.pending);
528507 
529
-	SAS_DPRINTK("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id,
530
-		    task_pid_nr(current));
508
+	pr_debug("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id,
509
+		 task_pid_nr(current));
531510 
532
-	if (ddev && (ddev->dev_type == SAS_FANOUT_EXPANDER_DEVICE ||
533
-		     ddev->dev_type == SAS_EDGE_EXPANDER_DEVICE))
511
+	if (ddev && dev_is_expander(ddev->dev_type))
534512 		res = sas_ex_revalidate_domain(ddev);
535513 
536
-	SAS_DPRINTK("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n",
537
-		    port->id, task_pid_nr(current), res);
514
+	pr_debug("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n",
515
+		 port->id, task_pid_nr(current), res);
538516  out:
539517 	mutex_unlock(&ha->disco_mutex);
540518