diff options
Diffstat (limited to 'drivers/base/firmware_class.c')
| -rw-r--r-- | drivers/base/firmware_class.c | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 95f6851b3010..6e210802c37b 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -96,7 +96,9 @@ struct firmware_cache { /* firmware_buf instance will be added into the below list */ spinlock_t lock; struct list_head head; + int state; +#ifdef CONFIG_PM_SLEEP /* * Names of firmware images which have been cached successfully * will be added into the below list so that device uncache @@ -106,13 +108,12 @@ struct firmware_cache { spinlock_t name_lock; struct list_head fw_names; - int state; - wait_queue_head_t wait_queue; int cnt; struct delayed_work work; struct notifier_block pm_notify; +#endif }; struct firmware_buf { @@ -622,6 +623,7 @@ static void fw_set_page_data(struct firmware_buf *buf, struct firmware *fw) (unsigned int)buf->size); } +#ifdef CONFIG_PM_SLEEP static void fw_name_devm_release(struct device *dev, void *res) { struct fw_name_devm *fwn = res; @@ -670,6 +672,12 @@ static int fw_add_devm_name(struct device *dev, const char *name) return 0; } +#else +static int fw_add_devm_name(struct device *dev, const char *name) +{ + return 0; +} +#endif static void _request_firmware_cleanup(const struct firmware **firmware_p) { @@ -1046,6 +1054,7 @@ int uncache_firmware(const char *fw_name) return -EINVAL; } +#ifdef CONFIG_PM_SLEEP static struct fw_cache_entry *alloc_fw_cache_entry(const char *name) { struct fw_cache_entry *fce; @@ -1258,7 +1267,6 @@ static void device_uncache_fw_images_delay(unsigned long delay) msecs_to_jiffies(delay)); } -#ifdef CONFIG_PM static int fw_pm_notify(struct notifier_block *notify_block, unsigned long mode, void *unused) { @@ -1285,13 +1293,6 @@ static int fw_pm_notify(struct notifier_block *notify_block, return 0; } -#else -static int fw_pm_notify(struct notifier_block *notify_block, - unsigned long mode, void *unused) -{ - return 0; -} -#endif /* stop caching firmware once syscore_suspend is reached */ static int fw_suspend(void) @@ -1303,16 +1304,23 @@ static int fw_suspend(void) static struct syscore_ops fw_syscore_ops = { .suspend = fw_suspend, }; +#else +static int fw_cache_piggyback_on_request(const char *name) +{ + return 0; +} +#endif static void __init fw_cache_init(void) { spin_lock_init(&fw_cache.lock); INIT_LIST_HEAD(&fw_cache.head); + fw_cache.state = FW_LOADER_NO_CACHE; +#ifdef CONFIG_PM_SLEEP spin_lock_init(&fw_cache.name_lock); INIT_LIST_HEAD(&fw_cache.fw_names); fw_cache.cnt = 0; - fw_cache.state = FW_LOADER_NO_CACHE; init_waitqueue_head(&fw_cache.wait_queue); INIT_DELAYED_WORK(&fw_cache.work, @@ -1322,6 +1330,7 @@ static void __init fw_cache_init(void) register_pm_notifier(&fw_cache.pm_notify); register_syscore_ops(&fw_syscore_ops); +#endif } static int __init firmware_class_init(void) @@ -1332,8 +1341,10 @@ static int __init firmware_class_init(void) static void __exit firmware_class_exit(void) { +#ifdef CONFIG_PM_SLEEP unregister_syscore_ops(&fw_syscore_ops); unregister_pm_notifier(&fw_cache.pm_notify); +#endif class_unregister(&firmware_class); } |