Merge tag 'v6.15-rc1' into x86/mm, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

9 files changed, 43 insertions, 32 deletions

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 6b9e65a42cd2..5ea3b03af9ba 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -1291,7 +1291,7 @@ EXPORT_SYMBOL_GPL(subsys_system_register);
  * @groups: default attributes for the root device
  *
  * All 'virtual' subsystems have a /sys/devices/system/<name> root device
- * with the name of the subystem.  The root device can carry subsystem-wide
+ * with the name of the subsystem.  The root device can carry subsystem-wide
  * attributes.  All registered devices are below this single root device.
  * There's no restriction on device naming.  This is for kernel software
  * constructs which need sysfs interface.
diff --git a/drivers/base/component.c b/drivers/base/component.c
index a482708566bc..abe60eb45c55 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -87,17 +87,17 @@ static int component_devices_show(struct seq_file *s, void *data)
 	size_t i;
 
 	mutex_lock(&component_mutex);
-	seq_printf(s, "%-40s %20s\n", "aggregate_device name", "status");
-	seq_puts(s, "-------------------------------------------------------------\n");
-	seq_printf(s, "%-40s %20s\n\n",
+	seq_printf(s, "%-50s %20s\n", "aggregate_device name", "status");
+	seq_puts(s, "-----------------------------------------------------------------------\n");
+	seq_printf(s, "%-50s %20s\n\n",
 		   dev_name(m->parent), m->bound ? "bound" : "not bound");
 
-	seq_printf(s, "%-40s %20s\n", "device name", "status");
-	seq_puts(s, "-------------------------------------------------------------\n");
+	seq_printf(s, "%-50s %20s\n", "device name", "status");
+	seq_puts(s, "-----------------------------------------------------------------------\n");
 	for (i = 0; i < match->num; i++) {
 		struct component *component = match->compare[i].component;
 
-		seq_printf(s, "%-40s %20s\n",
+		seq_printf(s, "%-50s %20s\n",
 			   component ? dev_name(component->dev) : "(unknown)",
 			   component ? (component->bound ? "bound" : "not bound") : "not registered");
 	}
diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c
index 64840e5d5fcc..03a39c417dc4 100644
--- a/drivers/base/devcoredump.c
+++ b/drivers/base/devcoredump.c
@@ -41,7 +41,7 @@ struct devcd_entry {
 	 *                                             devcd_data_write()
 	 *                                               mod_delayed_work()
 	 *                                                 try_to_grab_pending()
-	 *                                                   del_timer()
+	 *                                                   timer_delete()
 	 *                                                     debug_assert_init()
 	 *       INIT_DELAYED_WORK()
 	 *       schedule_delayed_work()
diff --git a/drivers/base/faux.c b/drivers/base/faux.c
index 531e9d789ee0..407c1d1aad50 100644
--- a/drivers/base/faux.c
+++ b/drivers/base/faux.c
@@ -102,7 +102,9 @@ static void faux_device_release(struct device *dev)
  *
  * Note, when this function is called, the functions specified in struct
  * faux_ops can be called before the function returns, so be prepared for
- * everything to be properly initialized before that point in time.
+ * everything to be properly initialized before that point in time.  If the
+ * probe callback (if one is present) does NOT succeed, the creation of the
+ * device will fail and NULL will be returned.
  *
  * Return:
  * * NULL if an error happened with creating the device
@@ -147,6 +149,17 @@ struct faux_device *faux_device_create_with_groups(const char *name,
 		return NULL;
 	}
 
+	/*
+	 * Verify that we did bind the driver to the device (i.e. probe worked),
+	 * if not, let's fail the creation as trying to guess if probe was
+	 * successful is almost impossible to determine by the caller.
+	 */
+	if (!dev->driver) {
+		dev_err(dev, "probe did not succeed, tearing down the device\n");
+		faux_device_destroy(faux_dev);
+		faux_dev = NULL;
+	}
+
 	return faux_dev;
 }
 EXPORT_SYMBOL_GPL(faux_device_create_with_groups);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 348c5dbbfa68..8f3a41d9bfaa 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -455,7 +455,7 @@ static ssize_t valid_zones_show(struct device *dev,
 	struct memory_group *group = mem->group;
 	struct zone *default_zone;
 	int nid = mem->nid;
-	int len = 0;
+	int len;
 
 	/*
 	 * Check the existing zone. Make sure that we do that only on the
@@ -466,22 +466,18 @@ static ssize_t valid_zones_show(struct device *dev,
 		 * If !mem->zone, the memory block spans multiple zones and
 		 * cannot get offlined.
 		 */
-		default_zone = mem->zone;
-		if (!default_zone)
-			return sysfs_emit(buf, "%s\n", "none");
-		len += sysfs_emit_at(buf, len, "%s", default_zone->name);
-		goto out;
+		return sysfs_emit(buf, "%s\n",
+				  mem->zone ? mem->zone->name : "none");
 	}
 
 	default_zone = zone_for_pfn_range(MMOP_ONLINE, nid, group,
 					  start_pfn, nr_pages);
 
-	len += sysfs_emit_at(buf, len, "%s", default_zone->name);
+	len = sysfs_emit(buf, "%s", default_zone->name);
 	len += print_allowed_zone(buf, len, nid, group, start_pfn, nr_pages,
 				  MMOP_ONLINE_KERNEL, default_zone);
 	len += print_allowed_zone(buf, len, nid, group, start_pfn, nr_pages,
 				  MMOP_ONLINE_MOVABLE, default_zone);
-out:
 	len += sysfs_emit_at(buf, len, "\n");
 	return len;
 }
@@ -822,18 +818,17 @@ static int add_memory_block(unsigned long block_id, unsigned long state,
 
 static int __init add_boot_memory_block(unsigned long base_section_nr)
 {
-	int section_count = 0;
 	unsigned long nr;
 
-	for (nr = base_section_nr; nr < base_section_nr + sections_per_block;
-	     nr++)
-		if (present_section_nr(nr))
-			section_count++;
+	for_each_present_section_nr(base_section_nr, nr) {
+		if (nr >= (base_section_nr + sections_per_block))
+			break;
 
-	if (section_count == 0)
-		return 0;
-	return add_memory_block(memory_block_id(base_section_nr),
-				MEM_ONLINE, NULL,  NULL);
+		return add_memory_block(memory_block_id(base_section_nr),
+					MEM_ONLINE, NULL, NULL);
+	}
+
+	return 0;
 }
 
 static int add_hotplug_memory_block(unsigned long block_id,
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 0ea653fa3433..cd13ef287011 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -244,12 +244,14 @@ CACHE_ATTR(size, "%llu")
 CACHE_ATTR(line_size, "%u")
 CACHE_ATTR(indexing, "%u")
 CACHE_ATTR(write_policy, "%u")
+CACHE_ATTR(address_mode, "%#x")
 
 static struct attribute *cache_attrs[] = {
 	&dev_attr_indexing.attr,
 	&dev_attr_size.attr,
 	&dev_attr_line_size.attr,
 	&dev_attr_write_policy.attr,
+	&dev_attr_address_mode.attr,
 	NULL,
 };
 ATTRIBUTE_GROUPS(cache);
diff --git a/drivers/base/physical_location.c b/drivers/base/physical_location.c
index 5db06e825c94..a5539e294d4d 100644
--- a/drivers/base/physical_location.c
+++ b/drivers/base/physical_location.c
@@ -7,6 +7,7 @@
 
 #include <linux/acpi.h>
 #include <linux/sysfs.h>
+#include <linux/string_choices.h>
 
 #include "physical_location.h"
 
@@ -116,7 +117,7 @@ static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
 	char *buf)
 {
 	return sysfs_emit(buf, "%s\n",
-		dev->physical_location->dock ? "yes" : "no");
+		str_yes_no(dev->physical_location->dock));
 }
 static DEVICE_ATTR_RO(dock);
 
@@ -124,7 +125,7 @@ static ssize_t lid_show(struct device *dev, struct device_attribute *attr,
 	char *buf)
 {
 	return sysfs_emit(buf, "%s\n",
-		dev->physical_location->lid ? "yes" : "no");
+		str_yes_no(dev->physical_location->lid));
 }
 static DEVICE_ATTR_RO(lid);
 
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index ac2a197c1234..c8b0a9e29ed8 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -559,7 +559,7 @@ static void dpm_watchdog_clear(struct dpm_watchdog *wd)
 {
 	struct timer_list *timer = &wd->timer;
 
-	del_timer_sync(timer);
+	timer_delete_sync(timer);
 	destroy_timer_on_stack(timer);
 }
 #else
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 752b417e8129..63bf914a4d44 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -197,7 +197,7 @@ void wakeup_source_remove(struct wakeup_source *ws)
 	raw_spin_unlock_irqrestore(&events_lock, flags);
 	synchronize_srcu(&wakeup_srcu);
 
-	del_timer_sync(&ws->timer);
+	timer_delete_sync(&ws->timer);
 	/*
 	 * Clear timer.function to make wakeup_source_not_registered() treat
 	 * this wakeup source as not registered.
@@ -613,7 +613,7 @@ void __pm_stay_awake(struct wakeup_source *ws)
 	spin_lock_irqsave(&ws->lock, flags);
 
 	wakeup_source_report_event(ws, false);
-	del_timer(&ws->timer);
+	timer_delete(&ws->timer);
 	ws->timer_expires = 0;
 
 	spin_unlock_irqrestore(&ws->lock, flags);
@@ -693,7 +693,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws)
 		ws->max_time = duration;
 
 	ws->last_time = now;
-	del_timer(&ws->timer);
+	timer_delete(&ws->timer);
 	ws->timer_expires = 0;
 
 	if (ws->autosleep_enabled)