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firmware: add helper to unregister pm ops 

This will be used later to unfold on error on init.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luis R. Rodriguez 2017-11-20 09:45:31 -08:00 committed by Greg Kroah-Hartman
parent 4fbd8d194f
commit a67e503b67
1 changed files with 10 additions and 4 deletions
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14
drivers/base/firmware_class.c
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@ -1767,11 +1767,20 @@ static int fw_suspend(void)
static struct syscore_ops fw_syscore_ops = {
.suspend = fw_suspend,
};
static inline void unregister_fw_pm_ops(void)
{
unregister_syscore_ops(&fw_syscore_ops);
unregister_pm_notifier(&fw_cache.pm_notify);
}
#else
static int fw_cache_piggyback_on_request(const char *name)
{
return 0;
}
static inline void unregister_fw_pm_ops(void)
{
}
#endif
static void __init fw_cache_init(void)
@ -1823,10 +1832,7 @@ 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
unregister_fw_pm_ops();
unregister_reboot_notifier(&fw_shutdown_nb);
#ifdef CONFIG_FW_LOADER_USER_HELPER
class_unregister(&firmware_class);