/* SPDX-License-Identifier: MIT */ /* * Copyright © 2022 Intel Corporation */ #ifndef __I915_TASKLET_H__ #define __I915_TASKLET_H__ #include <linux/interrupt.h> static inline void tasklet_lock(struct tasklet_struct *t) { while (!tasklet_trylock(t)) cpu_relax(); } static inline bool tasklet_is_locked(const struct tasklet_struct *t) { return test_bit(TASKLET_STATE_RUN, &t->state); } static inline void __tasklet_disable_sync_once(struct tasklet_struct *t) { if (!atomic_fetch_inc(&t->count)) tasklet_unlock_spin_wait(t); } static inline bool __tasklet_is_enabled(const struct tasklet_struct *t) { return !atomic_read(&t->count); } static inline bool __tasklet_enable(struct tasklet_struct *t) { return atomic_dec_and_test(&t->count); } static inline bool __tasklet_is_scheduled(struct tasklet_struct *t) { return test_bit(TASKLET_STATE_SCHED, &t->state); } #endif /* __I915_TASKLET_H__ */