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Merge branches 'topic/hwspinlock' and 'topic/nolock' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-const

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This commit is contained in:
Mark Brown
2017-12-13 16:46:37 +00:00
parent a1a68fcaf1 72465736ad
commit 4045559c09
4 changed files with 25 additions and 1 deletions
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8
drivers/base/regmap/internal.h
View File

@@ -77,6 +77,7 @@ struct regmap {
int async_ret;
#ifdef CONFIG_DEBUG_FS
bool debugfs_disable;
struct dentry *debugfs;
const char *debugfs_name;
@@ -215,10 +216,17 @@ struct regmap_field {
extern void regmap_debugfs_initcall(void);
extern void regmap_debugfs_init(struct regmap *map, const char *name);
extern void regmap_debugfs_exit(struct regmap *map);
static inline void regmap_debugfs_disable(struct regmap *map)
{
map->debugfs_disable = true;
}
#else
static inline void regmap_debugfs_initcall(void) { }
static inline void regmap_debugfs_init(struct regmap *map, const char *name) { }
static inline void regmap_debugfs_exit(struct regmap *map) { }
static inline void regmap_debugfs_disable(struct regmap *map) { }
#endif
/* regcache core declarations */

3
drivers/base/regmap/regmap-debugfs.c
View File

@@ -529,6 +529,9 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
struct regmap_range_node *range_node;
const char *devname = "dummy";
if (map->debugfs_disable)
return;
/* If we don't have the debugfs root yet, postpone init */
if (!regmap_debugfs_root) {
struct regmap_debugfs_node *node;

10
drivers/base/regmap/regmap.c
View File

@@ -457,6 +457,11 @@ static void regmap_unlock_hwlock_irqrestore(void *__map)
hwspin_unlock_irqrestore(map->hwlock, &map->spinlock_flags);
}
static void regmap_lock_unlock_none(void *__map)
{
}
static void regmap_lock_mutex(void *__map)
{
struct regmap *map = __map;
@@ -667,7 +672,10 @@ struct regmap *__regmap_init(struct device *dev,
goto err;
}
if (config->lock && config->unlock) {
if (config->disable_locking) {
map->lock = map->unlock = regmap_lock_unlock_none;
regmap_debugfs_disable(map);
} else if (config->lock && config->unlock) {
map->lock = config->lock;
map->unlock = config->unlock;
map->lock_arg = config->lock_arg;