Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the set of driver core changes for 5.18-rc1.

  Not much here, primarily it was a bunch of cleanups and small updates:

   - kobj_type cleanups for default_groups

   - documentation updates

   - firmware loader minor changes

   - component common helper added and take advantage of it in many
     drivers (the largest part of this pull request).

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (54 commits)
  Documentation: update stable review cycle documentation
  drivers/base/dd.c : Remove the initial value of the global variable
  Documentation: update stable tree link
  Documentation: add link to stable release candidate tree
  devres: fix typos in comments
  Documentation: add note block surrounding security patch note
  samples/kobject: Use sysfs_emit instead of sprintf
  base: soc: Make soc_device_match() simpler and easier to read
  driver core: dd: fix return value of __setup handler
  driver core: Refactor sysfs and drv/bus remove hooks
  driver core: Refactor multiple copies of device cleanup
  scripts: get_abi.pl: Fix typo in help message
  kernfs: fix typos in comments
  kernfs: remove unneeded #if 0 guard
  ALSA: hda/realtek: Make use of the helper component_compare_dev_name
  video: omapfb: dss: Make use of the helper component_compare_dev
  power: supply: ab8500: Make use of the helper component_compare_dev
  ASoC: codecs: wcd938x: Make use of the helper component_compare/release_of
  iommu/mediatek: Make use of the helper component_compare/release_of
  drm: of: Make use of the helper component_release_of
  ...

7 files changed, 227 insertions, 192 deletions

diff --git a/drivers/base/component.c b/drivers/base/component.c
index 2d25a6416587..5eadeac6c532 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -1,16 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
  * Componentized device handling.
- *
- * This is work in progress.  We gather up the component devices into a list,
- * and bind them when instructed.  At the moment, we're specific to the DRM
- * subsystem, and only handles one master device, but this doesn't have to be
- * the case.
  */
 #include <linux/component.h>
 #include <linux/device.h>
 #include <linux/list.h>
 #include <linux/mutex.h>
+#include <linux/of.h>
 #include <linux/slab.h>
 #include <linux/debugfs.h>
 
@@ -57,7 +53,7 @@ struct component_match {
 	struct component_match_array *compare;
 };
 
-struct master {
+struct aggregate_device {
 	struct list_head node;
 	bool bound;
 
@@ -68,7 +64,7 @@ struct master {
 
 struct component {
 	struct list_head node;
-	struct master *master;
+	struct aggregate_device *adev;
 	bool bound;
 
 	const struct component_ops *ops;
@@ -78,7 +74,7 @@ struct component {
 
 static DEFINE_MUTEX(component_mutex);
 static LIST_HEAD(component_list);
-static LIST_HEAD(masters);
+static LIST_HEAD(aggregate_devices);
 
 #ifdef CONFIG_DEBUG_FS
 
@@ -86,12 +82,12 @@ static struct dentry *component_debugfs_dir;
 
 static int component_devices_show(struct seq_file *s, void *data)
 {
-	struct master *m = s->private;
+	struct aggregate_device *m = s->private;
 	struct component_match *match = m->match;
 	size_t i;
 
 	mutex_lock(&component_mutex);
-	seq_printf(s, "%-40s %20s\n", "master name", "status");
+	seq_printf(s, "%-40s %20s\n", "aggregate_device name", "status");
 	seq_puts(s, "-------------------------------------------------------------\n");
 	seq_printf(s, "%-40s %20s\n\n",
 		   dev_name(m->parent), m->bound ? "bound" : "not bound");
@@ -121,46 +117,46 @@ static int __init component_debug_init(void)
 
 core_initcall(component_debug_init);
 
-static void component_master_debugfs_add(struct master *m)
+static void component_debugfs_add(struct aggregate_device *m)
 {
 	debugfs_create_file(dev_name(m->parent), 0444, component_debugfs_dir, m,
 			    &component_devices_fops);
 }
 
-static void component_master_debugfs_del(struct master *m)
+static void component_debugfs_del(struct aggregate_device *m)
 {
 	debugfs_remove(debugfs_lookup(dev_name(m->parent), component_debugfs_dir));
 }
 
 #else
 
-static void component_master_debugfs_add(struct master *m)
+static void component_debugfs_add(struct aggregate_device *m)
 { }
 
-static void component_master_debugfs_del(struct master *m)
+static void component_debugfs_del(struct aggregate_device *m)
 { }
 
 #endif
 
-static struct master *__master_find(struct device *parent,
+static struct aggregate_device *__aggregate_find(struct device *parent,
 	const struct component_master_ops *ops)
 {
-	struct master *m;
+	struct aggregate_device *m;
 
-	list_for_each_entry(m, &masters, node)
+	list_for_each_entry(m, &aggregate_devices, node)
 		if (m->parent == parent && (!ops || m->ops == ops))
 			return m;
 
 	return NULL;
 }
 
-static struct component *find_component(struct master *master,
+static struct component *find_component(struct aggregate_device *adev,
 	struct component_match_array *mc)
 {
 	struct component *c;
 
 	list_for_each_entry(c, &component_list, node) {
-		if (c->master && c->master != master)
+		if (c->adev && c->adev != adev)
 			continue;
 
 		if (mc->compare && mc->compare(c->dev, mc->data))
@@ -174,102 +170,103 @@ static struct component *find_component(struct master *master,
 	return NULL;
 }
 
-static int find_components(struct master *master)
+static int find_components(struct aggregate_device *adev)
 {
-	struct component_match *match = master->match;
+	struct component_match *match = adev->match;
 	size_t i;
 	int ret = 0;
 
 	/*
 	 * Scan the array of match functions and attach
-	 * any components which are found to this master.
+	 * any components which are found to this adev.
 	 */
 	for (i = 0; i < match->num; i++) {
 		struct component_match_array *mc = &match->compare[i];
 		struct component *c;
 
-		dev_dbg(master->parent, "Looking for component %zu\n", i);
+		dev_dbg(adev->parent, "Looking for component %zu\n", i);
 
 		if (match->compare[i].component)
 			continue;
 
-		c = find_component(master, mc);
+		c = find_component(adev, mc);
 		if (!c) {
 			ret = -ENXIO;
 			break;
 		}
 
-		dev_dbg(master->parent, "found component %s, duplicate %u\n", dev_name(c->dev), !!c->master);
+		dev_dbg(adev->parent, "found component %s, duplicate %u\n",
+			dev_name(c->dev), !!c->adev);
 
-		/* Attach this component to the master */
-		match->compare[i].duplicate = !!c->master;
+		/* Attach this component to the adev */
+		match->compare[i].duplicate = !!c->adev;
 		match->compare[i].component = c;
-		c->master = master;
+		c->adev = adev;
 	}
 	return ret;
 }
 
-/* Detach component from associated master */
-static void remove_component(struct master *master, struct component *c)
+/* Detach component from associated aggregate_device */
+static void remove_component(struct aggregate_device *adev, struct component *c)
 {
 	size_t i;
 
-	/* Detach the component from this master. */
-	for (i = 0; i < master->match->num; i++)
-		if (master->match->compare[i].component == c)
-			master->match->compare[i].component = NULL;
+	/* Detach the component from this adev. */
+	for (i = 0; i < adev->match->num; i++)
+		if (adev->match->compare[i].component == c)
+			adev->match->compare[i].component = NULL;
 }
 
 /*
- * Try to bring up a master.  If component is NULL, we're interested in
- * this master, otherwise it's a component which must be present to try
- * and bring up the master.
+ * Try to bring up an aggregate device.  If component is NULL, we're interested
+ * in this aggregate device, otherwise it's a component which must be present
+ * to try and bring up the aggregate device.
  *
  * Returns 1 for successful bringup, 0 if not ready, or -ve errno.
  */
-static int try_to_bring_up_master(struct master *master,
+static int try_to_bring_up_aggregate_device(struct aggregate_device *adev,
 	struct component *component)
 {
 	int ret;
 
-	dev_dbg(master->parent, "trying to bring up master\n");
+	dev_dbg(adev->parent, "trying to bring up adev\n");
 
-	if (find_components(master)) {
-		dev_dbg(master->parent, "master has incomplete components\n");
+	if (find_components(adev)) {
+		dev_dbg(adev->parent, "master has incomplete components\n");
 		return 0;
 	}
 
-	if (component && component->master != master) {
-		dev_dbg(master->parent, "master is not for this component (%s)\n",
+	if (component && component->adev != adev) {
+		dev_dbg(adev->parent, "master is not for this component (%s)\n",
 			dev_name(component->dev));
 		return 0;
 	}
 
-	if (!devres_open_group(master->parent, master, GFP_KERNEL))
+	if (!devres_open_group(adev->parent, adev, GFP_KERNEL))
 		return -ENOMEM;
 
 	/* Found all components */
-	ret = master->ops->bind(master->parent);
+	ret = adev->ops->bind(adev->parent);
 	if (ret < 0) {
-		devres_release_group(master->parent, NULL);
+		devres_release_group(adev->parent, NULL);
 		if (ret != -EPROBE_DEFER)
-			dev_info(master->parent, "master bind failed: %d\n", ret);
+			dev_info(adev->parent, "adev bind failed: %d\n", ret);
 		return ret;
 	}
 
-	devres_close_group(master->parent, NULL);
-	master->bound = true;
+	devres_close_group(adev->parent, NULL);
+	adev->bound = true;
 	return 1;
 }
 
 static int try_to_bring_up_masters(struct component *component)
 {
-	struct master *m;
+	struct aggregate_device *adev;
 	int ret = 0;
 
-	list_for_each_entry(m, &masters, node) {
-		if (!m->bound) {
-			ret = try_to_bring_up_master(m, component);
+	list_for_each_entry(adev, &aggregate_devices, node) {
+		if (!adev->bound) {
+			ret = try_to_bring_up_aggregate_device(adev, component);
 			if (ret != 0)
 				break;
 		}
@@ -278,15 +275,72 @@ static int try_to_bring_up_masters(struct component *component)
 	return ret;
 }
 
-static void take_down_master(struct master *master)
+static void take_down_aggregate_device(struct aggregate_device *adev)
 {
-	if (master->bound) {
-		master->ops->unbind(master->parent);
-		devres_release_group(master->parent, master);
-		master->bound = false;
+	if (adev->bound) {
+		adev->ops->unbind(adev->parent);
+		devres_release_group(adev->parent, adev);
+		adev->bound = false;
 	}
 }
 
+/**
+ * component_compare_of - A common component compare function for of_node
+ * @dev: component device
+ * @data: @compare_data from component_match_add_release()
+ *
+ * A common compare function when compare_data is device of_node. e.g.
+ * component_match_add_release(masterdev, &match, component_release_of,
+ * component_compare_of, component_dev_of_node)
+ */
+int component_compare_of(struct device *dev, void *data)
+{
+	return device_match_of_node(dev, data);
+}
+EXPORT_SYMBOL_GPL(component_compare_of);
+
+/**
+ * component_release_of - A common component release function for of_node
+ * @dev: component device
+ * @data: @compare_data from component_match_add_release()
+ *
+ * About the example, Please see component_compare_of().
+ */
+void component_release_of(struct device *dev, void *data)
+{
+	of_node_put(data);
+}
+EXPORT_SYMBOL_GPL(component_release_of);
+
+/**
+ * component_compare_dev - A common component compare function for dev
+ * @dev: component device
+ * @data: @compare_data from component_match_add_release()
+ *
+ * A common compare function when compare_data is struce device. e.g.
+ * component_match_add(masterdev, &match, component_compare_dev, component_dev)
+ */
+int component_compare_dev(struct device *dev, void *data)
+{
+	return dev == data;
+}
+EXPORT_SYMBOL_GPL(component_compare_dev);
+
+/**
+ * component_compare_dev_name - A common component compare function for device name
+ * @dev: component device
+ * @data: @compare_data from component_match_add_release()
+ *
+ * A common compare function when compare_data is device name string. e.g.
+ * component_match_add(masterdev, &match, component_compare_dev_name,
+ * "component_dev_name")
+ */
+int component_compare_dev_name(struct device *dev, void *data)
+{
+	return device_match_name(dev, data);
+}
+EXPORT_SYMBOL_GPL(component_compare_dev_name);
+
 static void devm_component_match_release(struct device *parent, void *res)
 {
 	struct component_match *match = res;
@@ -324,7 +378,7 @@ static int component_match_realloc(struct component_match *match, size_t num)
 	return 0;
 }
 
-static void __component_match_add(struct device *master,
+static void __component_match_add(struct device *parent,
 	struct component_match **matchptr,
 	void (*release)(struct device *, void *),
 	int (*compare)(struct device *, void *),
@@ -344,7 +398,7 @@ static void __component_match_add(struct device *master,
 			return;
 		}
 
-		devres_add(master, match);
+		devres_add(parent, match);
 
 		*matchptr = match;
 	}
@@ -370,13 +424,13 @@ static void __component_match_add(struct device *master,
 
 /**
  * component_match_add_release - add a component match entry with release callback
- * @master: device with the aggregate driver
+ * @parent: parent device of the aggregate driver
  * @matchptr: pointer to the list of component matches
  * @release: release function for @compare_data
  * @compare: compare function to match against all components
  * @compare_data: opaque pointer passed to the @compare function
  *
- * Adds a new component match to the list stored in @matchptr, which the @master
+ * Adds a new component match to the list stored in @matchptr, which the
  * aggregate driver needs to function. The list of component matches pointed to
  * by @matchptr must be initialized to NULL before adding the first match. This
  * only matches against components added with component_add().
@@ -388,24 +442,24 @@ static void __component_match_add(struct device *master,
  *
  * See also component_match_add() and component_match_add_typed().
  */
-void component_match_add_release(struct device *master,
+void component_match_add_release(struct device *parent,
 	struct component_match **matchptr,
 	void (*release)(struct device *, void *),
 	int (*compare)(struct device *, void *), void *compare_data)
 {
-	__component_match_add(master, matchptr, release, compare, NULL,
+	__component_match_add(parent, matchptr, release, compare, NULL,
 			      compare_data);
 }
 EXPORT_SYMBOL(component_match_add_release);
 
 /**
  * component_match_add_typed - add a component match entry for a typed component
- * @master: device with the aggregate driver
+ * @parent: parent device of the aggregate driver
  * @matchptr: pointer to the list of component matches
  * @compare_typed: compare function to match against all typed components
  * @compare_data: opaque pointer passed to the @compare function
  *
- * Adds a new component match to the list stored in @matchptr, which the @master
+ * Adds a new component match to the list stored in @matchptr, which the
  * aggregate driver needs to function. The list of component matches pointed to
  * by @matchptr must be initialized to NULL before adding the first match. This
  * only matches against components added with component_add_typed().
@@ -415,32 +469,32 @@ EXPORT_SYMBOL(component_match_add_release);
  *
  * See also component_match_add_release() and component_match_add_typed().
  */
-void component_match_add_typed(struct device *master,
+void component_match_add_typed(struct device *parent,
 	struct component_match **matchptr,
 	int (*compare_typed)(struct device *, int, void *), void *compare_data)
 {
-	__component_match_add(master, matchptr, NULL, NULL, compare_typed,
+	__component_match_add(parent, matchptr, NULL, NULL, compare_typed,
 			      compare_data);
 }
 EXPORT_SYMBOL(component_match_add_typed);
 
-static void free_master(struct master *master)
+static void free_aggregate_device(struct aggregate_device *adev)
 {
-	struct component_match *match = master->match;
+	struct component_match *match = adev->match;
 	int i;
 
-	component_master_debugfs_del(master);
-	list_del(&master->node);
+	component_debugfs_del(adev);
+	list_del(&adev->node);
 
 	if (match) {
 		for (i = 0; i < match->num; i++) {
 			struct component *c = match->compare[i].component;
 			if (c)
-				c->master = NULL;
+				c->adev = NULL;
 		}
 	}
 
-	kfree(master);
+	kfree(adev);
 }
 
 /**
@@ -459,7 +513,7 @@ int component_master_add_with_match(struct device *parent,
 	const struct component_master_ops *ops,
 	struct component_match *match)
 {
-	struct master *master;
+	struct aggregate_device *adev;
 	int ret;
 
 	/* Reallocate the match array for its true size */
@@ -467,23 +521,23 @@ int component_master_add_with_match(struct device *parent,
 	if (ret)
 		return ret;
 
-	master = kzalloc(sizeof(*master), GFP_KERNEL);
-	if (!master)
+	adev = kzalloc(sizeof(*adev), GFP_KERNEL);
+	if (!adev)
 		return -ENOMEM;
 
-	master->parent = parent;
-	master->ops = ops;
-	master->match = match;
+	adev->parent = parent;
+	adev->ops = ops;
+	adev->match = match;
 
-	component_master_debugfs_add(master);
-	/* Add to the list of available masters. */
+	component_debugfs_add(adev);
+	/* Add to the list of available aggregate devices. */
 	mutex_lock(&component_mutex);
-	list_add(&master->node, &masters);
+	list_add(&adev->node, &aggregate_devices);
 
-	ret = try_to_bring_up_master(master, NULL);
+	ret = try_to_bring_up_aggregate_device(adev, NULL);
 
 	if (ret < 0)
-		free_master(master);
+		free_aggregate_device(adev);
 
 	mutex_unlock(&component_mutex);
 
@@ -503,25 +557,25 @@ EXPORT_SYMBOL_GPL(component_master_add_with_match);
 void component_master_del(struct device *parent,
 	const struct component_master_ops *ops)
 {
-	struct master *master;
+	struct aggregate_device *adev;
 
 	mutex_lock(&component_mutex);
-	master = __master_find(parent, ops);
-	if (master) {
-		take_down_master(master);
-		free_master(master);
+	adev = __aggregate_find(parent, ops);
+	if (adev) {
+		take_down_aggregate_device(adev);
+		free_aggregate_device(adev);
 	}
 	mutex_unlock(&component_mutex);
 }
 EXPORT_SYMBOL_GPL(component_master_del);
 
 static void component_unbind(struct component *component,
-	struct master *master, void *data)
+	struct aggregate_device *adev, void *data)
 {
 	WARN_ON(!component->bound);
 
 	if (component->ops && component->ops->unbind)
-		component->ops->unbind(component->dev, master->parent, data);
+		component->ops->unbind(component->dev, adev->parent, data);
 	component->bound = false;
 
 	/* Release all resources claimed in the binding of this component */
@@ -539,26 +593,26 @@ static void component_unbind(struct component *component,
  */
 void component_unbind_all(struct device *parent, void *data)
 {
-	struct master *master;
+	struct aggregate_device *adev;
 	struct component *c;
 	size_t i;
 
 	WARN_ON(!mutex_is_locked(&component_mutex));
 
-	master = __master_find(parent, NULL);
-	if (!master)
+	adev = __aggregate_find(parent, NULL);
+	if (!adev)
 		return;
 
 	/* Unbind components in reverse order */
-	for (i = master->match->num; i--; )
-		if (!master->match->compare[i].duplicate) {
-			c = master->match->compare[i].component;
-			component_unbind(c, master, data);
+	for (i = adev->match->num; i--; )
+		if (!adev->match->compare[i].duplicate) {
+			c = adev->match->compare[i].component;
+			component_unbind(c, adev, data);
 		}
 }
 EXPORT_SYMBOL_GPL(component_unbind_all);
 
-static int component_bind(struct component *component, struct master *master,
+static int component_bind(struct component *component, struct aggregate_device *adev,
 	void *data)
 {
 	int ret;
@@ -568,7 +622,7 @@ static int component_bind(struct component *component, struct master *master,
 	 * This allows us to roll-back a failed component without
 	 * affecting anything else.
 	 */
-	if (!devres_open_group(master->parent, NULL, GFP_KERNEL))
+	if (!devres_open_group(adev->parent, NULL, GFP_KERNEL))
 		return -ENOMEM;
 
 	/*
@@ -577,14 +631,14 @@ static int component_bind(struct component *component, struct master *master,
 	 * at the appropriate moment.
 	 */
 	if (!devres_open_group(component->dev, component, GFP_KERNEL)) {
-		devres_release_group(master->parent, NULL);
+		devres_release_group(adev->parent, NULL);
 		return -ENOMEM;
 	}
 
-	dev_dbg(master->parent, "binding %s (ops %ps)\n",
+	dev_dbg(adev->parent, "binding %s (ops %ps)\n",
 		dev_name(component->dev), component->ops);
 
-	ret = component->ops->bind(component->dev, master->parent, data);
+	ret = component->ops->bind(component->dev, adev->parent, data);
 	if (!ret) {
 		component->bound = true;
 
@@ -595,16 +649,16 @@ static int component_bind(struct component *component, struct master *master,
 		 * can clean those resources up independently.
 		 */
 		devres_close_group(component->dev, NULL);
-		devres_remove_group(master->parent, NULL);
+		devres_remove_group(adev->parent, NULL);
 
-		dev_info(master->parent, "bound %s (ops %ps)\n",
+		dev_info(adev->parent, "bound %s (ops %ps)\n",
 			 dev_name(component->dev), component->ops);
 	} else {
 		devres_release_group(component->dev, NULL);
-		devres_release_group(master->parent, NULL);
+		devres_release_group(adev->parent, NULL);
 
 		if (ret != -EPROBE_DEFER)
-			dev_err(master->parent, "failed to bind %s (ops %ps): %d\n",
+			dev_err(adev->parent, "failed to bind %s (ops %ps): %d\n",
 				dev_name(component->dev), component->ops, ret);
 	}
 
@@ -622,31 +676,31 @@ static int component_bind(struct component *component, struct master *master,
  */
 int component_bind_all(struct device *parent, void *data)
 {
-	struct master *master;
+	struct aggregate_device *adev;
 	struct component *c;
 	size_t i;
 	int ret = 0;
 
 	WARN_ON(!mutex_is_locked(&component_mutex));
 
-	master = __master_find(parent, NULL);
-	if (!master)
+	adev = __aggregate_find(parent, NULL);
+	if (!adev)
 		return -EINVAL;
 
 	/* Bind components in match order */
-	for (i = 0; i < master->match->num; i++)
-		if (!master->match->compare[i].duplicate) {
-			c = master->match->compare[i].component;
-			ret = component_bind(c, master, data);
+	for (i = 0; i < adev->match->num; i++)
+		if (!adev->match->compare[i].duplicate) {
+			c = adev->match->compare[i].component;
+			ret = component_bind(c, adev, data);
 			if (ret)
 				break;
 		}
 
 	if (ret != 0) {
 		for (; i > 0; i--)
-			if (!master->match->compare[i - 1].duplicate) {
-				c = master->match->compare[i - 1].component;
-				component_unbind(c, master, data);
+			if (!adev->match->compare[i - 1].duplicate) {
+				c = adev->match->compare[i - 1].component;
+				component_unbind(c, adev, data);
 			}
 	}
 
@@ -675,8 +729,8 @@ static int __component_add(struct device *dev, const struct component_ops *ops,
 
 	ret = try_to_bring_up_masters(component);
 	if (ret < 0) {
-		if (component->master)
-			remove_component(component->master, component);
+		if (component->adev)
+			remove_component(component->adev, component);
 		list_del(&component->node);
 
 		kfree(component);
@@ -757,9 +811,9 @@ void component_del(struct device *dev, const struct component_ops *ops)
 			break;
 		}
 
-	if (component && component->master) {
-		take_down_master(component->master);
-		remove_component(component->master, component);
+	if (component && component->adev) {
+		take_down_aggregate_device(component->adev);
+		remove_component(component->adev, component);
 	}
 
 	mutex_unlock(&component_mutex);
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index f47cab21430f..af6bea56f4e2 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -152,7 +152,7 @@ void driver_deferred_probe_del(struct device *dev)
 	mutex_unlock(&deferred_probe_mutex);
 }
 
-static bool driver_deferred_probe_enable = false;
+static bool driver_deferred_probe_enable;
 /**
  * driver_deferred_probe_trigger() - Kick off re-probing deferred devices
  *
@@ -506,6 +506,30 @@ static ssize_t state_synced_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(state_synced);
 
+static void device_unbind_cleanup(struct device *dev)
+{
+	devres_release_all(dev);
+	arch_teardown_dma_ops(dev);
+	kfree(dev->dma_range_map);
+	dev->dma_range_map = NULL;
+	dev->driver = NULL;
+	dev_set_drvdata(dev, NULL);
+	if (dev->pm_domain && dev->pm_domain->dismiss)
+		dev->pm_domain->dismiss(dev);
+	pm_runtime_reinit(dev);
+	dev_pm_set_driver_flags(dev, 0);
+}
+
+static void device_remove(struct device *dev)
+{
+	device_remove_file(dev, &dev_attr_state_synced);
+	device_remove_groups(dev, dev->driver->dev_groups);
+
+	if (dev->bus && dev->bus->remove)
+		dev->bus->remove(dev);
+	else if (dev->driver->remove)
+		dev->driver->remove(dev);
+}
 
 static int call_driver_probe(struct device *dev, struct device_driver *drv)
 {
@@ -620,24 +644,9 @@ re_probe:
 	if (test_remove) {
 		test_remove = false;
 
-		device_remove_file(dev, &dev_attr_state_synced);
-		device_remove_groups(dev, drv->dev_groups);
-
-		if (dev->bus->remove)
-			dev->bus->remove(dev);
-		else if (drv->remove)
-			drv->remove(dev);
-
-		devres_release_all(dev);
-		arch_teardown_dma_ops(dev);
-		kfree(dev->dma_range_map);
-		dev->dma_range_map = NULL;
+		device_remove(dev);
 		driver_sysfs_remove(dev);
-		dev->driver = NULL;
-		dev_set_drvdata(dev, NULL);
-		if (dev->pm_domain && dev->pm_domain->dismiss)
-			dev->pm_domain->dismiss(dev);
-		pm_runtime_reinit(dev);
+		device_unbind_cleanup(dev);
 
 		goto re_probe;
 	}
@@ -653,12 +662,8 @@ re_probe:
 	goto done;
 
 dev_sysfs_state_synced_failed:
-	device_remove_groups(dev, drv->dev_groups);
 dev_groups_failed:
-	if (dev->bus->remove)
-		dev->bus->remove(dev);
-	else if (drv->remove)
-		drv->remove(dev);
+	device_remove(dev);
 probe_failed:
 	driver_sysfs_remove(dev);
 sysfs_failed:
@@ -667,16 +672,7 @@ sysfs_failed:
 					     BUS_NOTIFY_DRIVER_NOT_BOUND, dev);
 pinctrl_bind_failed:
 	device_links_no_driver(dev);
-	devres_release_all(dev);
-	arch_teardown_dma_ops(dev);
-	kfree(dev->dma_range_map);
-	dev->dma_range_map = NULL;
-	dev->driver = NULL;
-	dev_set_drvdata(dev, NULL);
-	if (dev->pm_domain && dev->pm_domain->dismiss)
-		dev->pm_domain->dismiss(dev);
-	pm_runtime_reinit(dev);
-	dev_pm_set_driver_flags(dev, 0);
+	device_unbind_cleanup(dev);
 done:
 	return ret;
 }
@@ -810,7 +806,7 @@ static int __init save_async_options(char *buf)
 		pr_warn("Too long list of driver names for 'driver_async_probe'!\n");
 
 	strlcpy(async_probe_drv_names, buf, ASYNC_DRV_NAMES_MAX_LEN);
-	return 0;
+	return 1;
 }
 __setup("driver_async_probe=", save_async_options);
 
@@ -838,7 +834,7 @@ struct device_attach_data {
 	struct device *dev;
 
 	/*
-	 * Indicates whether we are are considering asynchronous probing or
+	 * Indicates whether we are considering asynchronous probing or
 	 * not. Only initial binding after device or driver registration
 	 * (including deferral processing) may be done asynchronously, the
 	 * rest is always synchronous, as we expect it is being done by
@@ -1042,7 +1038,7 @@ static void __device_driver_lock(struct device *dev, struct device *parent)
  * @parent: Parent device. Needed if the bus requires parent lock
  *
  * This function will release the required locks for manipulating dev->drv.
- * Normally this will just be the the @dev lock, but when called for a
+ * Normally this will just be the @dev lock, but when called for a
  * USB interface, @parent lock will be released as well.
  */
 static void __device_driver_unlock(struct device *dev, struct device *parent)
@@ -1200,26 +1196,10 @@ static void __device_release_driver(struct device *dev, struct device *parent)
 
 		pm_runtime_put_sync(dev);
 
-		device_remove_file(dev, &dev_attr_state_synced);
-		device_remove_groups(dev, drv->dev_groups);
-
-		if (dev->bus && dev->bus->remove)
-			dev->bus->remove(dev);
-		else if (drv->remove)
-			drv->remove(dev);
+		device_remove(dev);
 
 		device_links_driver_cleanup(dev);
-
-		devres_release_all(dev);
-		arch_teardown_dma_ops(dev);
-		kfree(dev->dma_range_map);
-		dev->dma_range_map = NULL;
-		dev->driver = NULL;
-		dev_set_drvdata(dev, NULL);
-		if (dev->pm_domain && dev->pm_domain->dismiss)
-			dev->pm_domain->dismiss(dev);
-		pm_runtime_reinit(dev);
-		dev_pm_set_driver_flags(dev, 0);
+		device_unbind_cleanup(dev);
 
 		klist_remove(&dev->p->knode_driver);
 		device_pm_check_callbacks(dev);
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index eaa9a5cd1db9..864d0b3f566e 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -692,7 +692,7 @@ EXPORT_SYMBOL_GPL(devres_release_group);
 
 /*
  * Custom devres actions allow inserting a simple function call
- * into the teadown sequence.
+ * into the teardown sequence.
  */
 
 struct action_devres {
@@ -916,7 +916,7 @@ void *devm_krealloc(struct device *dev, void *ptr, size_t new_size, gfp_t gfp)
 
 	/*
 	 * We can copy the memory contents after releasing the lock as we're
-	 * no longer modyfing the list links.
+	 * no longer modifying the list links.
 	 */
 	memcpy(new_dr->data, old_dr->data,
 	       total_old_size - offsetof(struct devres, data));
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index db5a03a0618e..8a3ddbae3b70 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -81,10 +81,8 @@ static struct file_system_type internal_fs_type = {
 	.name = "devtmpfs",
 #ifdef CONFIG_TMPFS
 	.init_fs_context = shmem_init_fs_context,
-	.parameters	= shmem_fs_parameters,
 #else
 	.init_fs_context = ramfs_init_fs_context,
-	.parameters	= ramfs_fs_parameters,
 #endif
 	.kill_sb = kill_litter_super,
 };
diff --git a/drivers/base/firmware_loader/Kconfig b/drivers/base/firmware_loader/Kconfig
index 5b24f3959255..38f3b66bf52b 100644
--- a/drivers/base/firmware_loader/Kconfig
+++ b/drivers/base/firmware_loader/Kconfig
@@ -60,6 +60,8 @@ config EXTRA_FIRMWARE
 	  image since it combines both GPL and non-GPL work. You should
 	  consult a lawyer of your own before distributing such an image.
 
+	  NOTE: Compressed files are not supported in EXTRA_FIRMWARE.
+
 config EXTRA_FIRMWARE_DIR
 	string "Firmware blobs root directory"
 	depends on EXTRA_FIRMWARE != ""
@@ -169,6 +171,9 @@ config FW_LOADER_COMPRESS
 	  be compressed with either none or crc32 integrity check type (pass
 	  "-C crc32" option to xz command).
 
+	  Compressed firmware support does not apply to firmware images
+	  that are built into the kernel image (CONFIG_EXTRA_FIRMWARE).
+
 config FW_CACHE
 	bool "Enable firmware caching during suspend"
 	depends on PM_SLEEP
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 6cb04ac48bf0..8cc272fd5c99 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -467,9 +467,9 @@ int platform_get_irq_byname(struct platform_device *dev, const char *name)
 	int ret;
 
 	ret = __platform_get_irq_byname(dev, name);
-	if (ret < 0 && ret != -EPROBE_DEFER)
-		dev_err(&dev->dev, "IRQ %s not found\n", name);
-
+	if (ret < 0)
+		return dev_err_probe(&dev->dev, ret, "IRQ %s not found\n",
+				     name);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(platform_get_irq_byname);
diff --git a/drivers/base/soc.c b/drivers/base/soc.c
index 0af5363a582c..22130b5f789d 100644
--- a/drivers/base/soc.c
+++ b/drivers/base/soc.c
@@ -241,15 +241,13 @@ static int soc_device_match_one(struct device *dev, void *arg)
 const struct soc_device_attribute *soc_device_match(
 	const struct soc_device_attribute *matches)
 {
-	int ret = 0;
+	int ret;
 
 	if (!matches)
 		return NULL;
 
-	while (!ret) {
-		if (!(matches->machine || matches->family ||
-		      matches->revision || matches->soc_id))
-			break;
+	while (matches->machine || matches->family || matches->revision ||
+	       matches->soc_id) {
 		ret = bus_for_each_dev(&soc_bus_type, NULL, (void *)matches,
 				       soc_device_match_one);
 		if (ret < 0 && early_soc_dev_attr)
@@ -257,10 +255,10 @@ const struct soc_device_attribute *soc_device_match(
 						    matches);
 		if (ret < 0)
 			return NULL;
-		if (!ret)
-			matches++;
-		else
+		if (ret)
 			return matches;
+
+		matches++;
 	}
 	return NULL;
 }