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-rw-r--r--drivers/base/core.c11
-rw-r--r--drivers/base/dd.c2
-rw-r--r--drivers/base/regmap/regcache-maple.c70
-rw-r--r--drivers/base/regmap/regcache-rbtree.c10
-rw-r--r--drivers/base/test/test_async_driver_probe.c2
5 files changed, 77 insertions, 18 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 3dff5037943e..6ceaf50f5a67 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3817,6 +3817,17 @@ void device_del(struct device *dev)
device_platform_notify_remove(dev);
device_links_purge(dev);
+ /*
+ * If a device does not have a driver attached, we need to clean
+ * up any managed resources. We do this in device_release(), but
+ * it's never called (and we leak the device) if a managed
+ * resource holds a reference to the device. So release all
+ * managed resources here, like we do in driver_detach(). We
+ * still need to do so again in device_release() in case someone
+ * adds a new resource after this point, though.
+ */
+ devres_release_all(dev);
+
bus_notify(dev, BUS_NOTIFY_REMOVED_DEVICE);
kobject_uevent(&dev->kobj, KOBJ_REMOVE);
glue_dir = get_glue_dir(dev);
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 9c09ca5c4ab6..7145d9b940b1 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -693,6 +693,8 @@ re_probe:
device_remove(dev);
driver_sysfs_remove(dev);
+ if (dev->bus && dev->bus->dma_cleanup)
+ dev->bus->dma_cleanup(dev);
device_unbind_cleanup(dev);
goto re_probe;
diff --git a/drivers/base/regmap/regcache-maple.c b/drivers/base/regmap/regcache-maple.c
index c2e3a0f6c218..08316d578be2 100644
--- a/drivers/base/regmap/regcache-maple.c
+++ b/drivers/base/regmap/regcache-maple.c
@@ -74,7 +74,7 @@ static int regcache_maple_write(struct regmap *map, unsigned int reg,
rcu_read_unlock();
entry = kmalloc((last - index + 1) * sizeof(unsigned long),
- GFP_KERNEL);
+ map->alloc_flags);
if (!entry)
return -ENOMEM;
@@ -92,7 +92,7 @@ static int regcache_maple_write(struct regmap *map, unsigned int reg,
mas_lock(&mas);
mas_set_range(&mas, index, last);
- ret = mas_store_gfp(&mas, entry, GFP_KERNEL);
+ ret = mas_store_gfp(&mas, entry, map->alloc_flags);
mas_unlock(&mas);
@@ -134,7 +134,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
lower = kmemdup(entry, ((min - mas.index) *
sizeof(unsigned long)),
- GFP_KERNEL);
+ map->alloc_flags);
if (!lower) {
ret = -ENOMEM;
goto out_unlocked;
@@ -148,7 +148,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
upper = kmemdup(&entry[max + 1],
((mas.last - max) *
sizeof(unsigned long)),
- GFP_KERNEL);
+ map->alloc_flags);
if (!upper) {
ret = -ENOMEM;
goto out_unlocked;
@@ -162,7 +162,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
/* Insert new nodes with the saved data */
if (lower) {
mas_set_range(&mas, lower_index, lower_last);
- ret = mas_store_gfp(&mas, lower, GFP_KERNEL);
+ ret = mas_store_gfp(&mas, lower, map->alloc_flags);
if (ret != 0)
goto out;
lower = NULL;
@@ -170,7 +170,7 @@ static int regcache_maple_drop(struct regmap *map, unsigned int min,
if (upper) {
mas_set_range(&mas, upper_index, upper_last);
- ret = mas_store_gfp(&mas, upper, GFP_KERNEL);
+ ret = mas_store_gfp(&mas, upper, map->alloc_flags);
if (ret != 0)
goto out;
upper = NULL;
@@ -242,11 +242,41 @@ static int regcache_maple_exit(struct regmap *map)
return 0;
}
+static int regcache_maple_insert_block(struct regmap *map, int first,
+ int last)
+{
+ struct maple_tree *mt = map->cache;
+ MA_STATE(mas, mt, first, last);
+ unsigned long *entry;
+ int i, ret;
+
+ entry = kcalloc(last - first + 1, sizeof(unsigned long), map->alloc_flags);
+ if (!entry)
+ return -ENOMEM;
+
+ for (i = 0; i < last - first + 1; i++)
+ entry[i] = map->reg_defaults[first + i].def;
+
+ mas_lock(&mas);
+
+ mas_set_range(&mas, map->reg_defaults[first].reg,
+ map->reg_defaults[last].reg);
+ ret = mas_store_gfp(&mas, entry, map->alloc_flags);
+
+ mas_unlock(&mas);
+
+ if (ret)
+ kfree(entry);
+
+ return ret;
+}
+
static int regcache_maple_init(struct regmap *map)
{
struct maple_tree *mt;
int i;
int ret;
+ int range_start;
mt = kmalloc(sizeof(*mt), GFP_KERNEL);
if (!mt)
@@ -255,14 +285,30 @@ static int regcache_maple_init(struct regmap *map)
mt_init(mt);
- for (i = 0; i < map->num_reg_defaults; i++) {
- ret = regcache_maple_write(map,
- map->reg_defaults[i].reg,
- map->reg_defaults[i].def);
- if (ret)
- goto err;
+ if (!map->num_reg_defaults)
+ return 0;
+
+ range_start = 0;
+
+ /* Scan for ranges of contiguous registers */
+ for (i = 1; i < map->num_reg_defaults; i++) {
+ if (map->reg_defaults[i].reg !=
+ map->reg_defaults[i - 1].reg + 1) {
+ ret = regcache_maple_insert_block(map, range_start,
+ i - 1);
+ if (ret != 0)
+ goto err;
+
+ range_start = i;
+ }
}
+ /* Add the last block */
+ ret = regcache_maple_insert_block(map, range_start,
+ map->num_reg_defaults - 1);
+ if (ret != 0)
+ goto err;
+
return 0;
err:
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index fabf87058d80..ae6b8788d5f3 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -277,7 +277,7 @@ static int regcache_rbtree_insert_to_block(struct regmap *map,
blk = krealloc(rbnode->block,
blklen * map->cache_word_size,
- GFP_KERNEL);
+ map->alloc_flags);
if (!blk)
return -ENOMEM;
@@ -286,7 +286,7 @@ static int regcache_rbtree_insert_to_block(struct regmap *map,
if (BITS_TO_LONGS(blklen) > BITS_TO_LONGS(rbnode->blklen)) {
present = krealloc(rbnode->cache_present,
BITS_TO_LONGS(blklen) * sizeof(*present),
- GFP_KERNEL);
+ map->alloc_flags);
if (!present)
return -ENOMEM;
@@ -320,7 +320,7 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg)
const struct regmap_range *range;
int i;
- rbnode = kzalloc(sizeof(*rbnode), GFP_KERNEL);
+ rbnode = kzalloc(sizeof(*rbnode), map->alloc_flags);
if (!rbnode)
return NULL;
@@ -346,13 +346,13 @@ regcache_rbtree_node_alloc(struct regmap *map, unsigned int reg)
}
rbnode->block = kmalloc_array(rbnode->blklen, map->cache_word_size,
- GFP_KERNEL);
+ map->alloc_flags);
if (!rbnode->block)
goto err_free;
rbnode->cache_present = kcalloc(BITS_TO_LONGS(rbnode->blklen),
sizeof(*rbnode->cache_present),
- GFP_KERNEL);
+ map->alloc_flags);
if (!rbnode->cache_present)
goto err_free_block;
diff --git a/drivers/base/test/test_async_driver_probe.c b/drivers/base/test/test_async_driver_probe.c
index 929410d0dd6f..3465800baa6c 100644
--- a/drivers/base/test/test_async_driver_probe.c
+++ b/drivers/base/test/test_async_driver_probe.c
@@ -84,7 +84,7 @@ test_platform_device_register_node(char *name, int id, int nid)
pdev = platform_device_alloc(name, id);
if (!pdev)
- return NULL;
+ return ERR_PTR(-ENOMEM);
if (nid != NUMA_NO_NODE)
set_dev_node(&pdev->dev, nid);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-07-01 04:36:20 +0000