[RESEND PATCH] regulator: Add lockdep asserts to help detecting locking misuse

Add lockdep_assert_held_once() to functions explicitly mentioning that rdev or regulator_list mutex must be held. Using WARN_ONCE shouldn't pollute the dmesg to much. The patch (if CONFIG_LOCKDEP enabled) will show warnings in certain regulators calling regulator_notifier_call_chain() without

[RESEND PATCH] regulator: Add lockdep asserts to help detecting locking misuse

Add lockdep_assert_held_once() to functions explicitly mentioning that rdev or regulator_list mutex must be held. Using WARN_ONCE shouldn't pollute the dmesg to much. The patch (if CONFIG_LOCKDEP enabled) will show warnings in certain regulators calling regulator_notifier_call_chain() without