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/* 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__ */
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