63 int hwspin_lock_free(struct hwspinlock *hwlock);
65 int hwspin_lock_get_id(struct hwspinlock *hwlock);
71 int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock);
107 static inline int hwspin_lock_free(struct hwspinlock *hwlock)  in hwspin_lock_free()  argument
113 int __hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int to,  in __hwspin_lock_timeout()  argument
120 int __hwspin_trylock(struct hwspinlock *hwlock, int mode, unsigned long *flags)  in __hwspin_trylock()  argument
126 void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags)  in __hwspin_unlock()  argument
135 static inline int hwspin_lock_get_id(struct hwspinlock *hwlock)  in hwspin_lock_get_id()  argument
147 int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock)  in devm_hwspin_lock_free()  argument
168  * @hwlock: an hwspinlock which we want to trylock
180  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
183 int hwspin_trylock_irqsave(struct hwspinlock *hwlock, unsigned long *flags)  in hwspin_trylock_irqsave()  argument
185 	return __hwspin_trylock(hwlock, HWLOCK_IRQSTATE, flags);  in hwspin_trylock_irqsave()
190  * @hwlock: an hwspinlock which we want to trylock
200  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
202 static inline int hwspin_trylock_irq(struct hwspinlock *hwlock)  in hwspin_trylock_irq()  argument
204 	return __hwspin_trylock(hwlock, HWLOCK_IRQ, NULL);  in hwspin_trylock_irq()
209  * @hwlock: an hwspinlock which we want to trylock
219  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
221 static inline int hwspin_trylock_raw(struct hwspinlock *hwlock)  in hwspin_trylock_raw()  argument
223 	return __hwspin_trylock(hwlock, HWLOCK_RAW, NULL);  in hwspin_trylock_raw()
228  * @hwlock: an hwspinlock which we want to trylock
236  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
238 static inline int hwspin_trylock_in_atomic(struct hwspinlock *hwlock)  in hwspin_trylock_in_atomic()  argument
240 	return __hwspin_trylock(hwlock, HWLOCK_IN_ATOMIC, NULL);  in hwspin_trylock_in_atomic()
245  * @hwlock: an hwspinlock which we want to trylock
256  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
258 static inline int hwspin_trylock(struct hwspinlock *hwlock)  in hwspin_trylock()  argument
260 	return __hwspin_trylock(hwlock, 0, NULL);  in hwspin_trylock()
265  * @hwlock: the hwspinlock to be locked
269  * This function locks the underlying @hwlock. If the @hwlock
277  * Returns 0 when the @hwlock was successfully taken, and an appropriate
278  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
281 static inline int hwspin_lock_timeout_irqsave(struct hwspinlock *hwlock,  in hwspin_lock_timeout_irqsave()  argument
284 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_IRQSTATE, flags);  in hwspin_lock_timeout_irqsave()
289  * @hwlock: the hwspinlock to be locked
292  * This function locks the underlying @hwlock. If the @hwlock
300  * Returns 0 when the @hwlock was successfully taken, and an appropriate
301  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
305 int hwspin_lock_timeout_irq(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout_irq()  argument
307 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_IRQ, NULL);  in hwspin_lock_timeout_irq()
312  * @hwlock: the hwspinlock to be locked
315  * This function locks the underlying @hwlock. If the @hwlock
323  * Returns 0 when the @hwlock was successfully taken, and an appropriate
324  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
328 int hwspin_lock_timeout_raw(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout_raw()  argument
330 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_RAW, NULL);  in hwspin_lock_timeout_raw()
335  * @hwlock: the hwspinlock to be locked
338  * This function locks the underlying @hwlock. If the @hwlock
345  * Returns 0 when the @hwlock was successfully taken, and an appropriate
346  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
350 int hwspin_lock_timeout_in_atomic(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout_in_atomic()  argument
352 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_IN_ATOMIC, NULL);  in hwspin_lock_timeout_in_atomic()
357  * @hwlock: the hwspinlock to be locked
360  * This function locks the underlying @hwlock. If the @hwlock
370  * Returns 0 when the @hwlock was successfully taken, and an appropriate
371  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
375 int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout()  argument
377 	return __hwspin_lock_timeout(hwlock, to, 0, NULL);  in hwspin_lock_timeout()
382  * @hwlock: a previously-acquired hwspinlock which we want to unlock
389  * @hwlock must be already locked before calling this function: it is a bug
390  * to call unlock on a @hwlock that is already unlocked.
392 static inline void hwspin_unlock_irqrestore(struct hwspinlock *hwlock,  in hwspin_unlock_irqrestore()  argument
395 	__hwspin_unlock(hwlock, HWLOCK_IRQSTATE, flags);  in hwspin_unlock_irqrestore()
400  * @hwlock: a previously-acquired hwspinlock which we want to unlock
405  * @hwlock must be already locked (e.g. by hwspin_trylock_irq()) before
406  * calling this function: it is a bug to call unlock on a @hwlock that is
409 static inline void hwspin_unlock_irq(struct hwspinlock *hwlock)  in hwspin_unlock_irq()  argument
411 	__hwspin_unlock(hwlock, HWLOCK_IRQ, NULL);  in hwspin_unlock_irq()
416  * @hwlock: a previously-acquired hwspinlock which we want to unlock
420  * @hwlock must be already locked (e.g. by hwspin_trylock()) before calling
421  * this function: it is a bug to call unlock on a @hwlock that is already
424 static inline void hwspin_unlock_raw(struct hwspinlock *hwlock)  in hwspin_unlock_raw()  argument
426 	__hwspin_unlock(hwlock, HWLOCK_RAW, NULL);  in hwspin_unlock_raw()
431  * @hwlock: a previously-acquired hwspinlock which we want to unlock
435  * @hwlock must be already locked (e.g. by hwspin_trylock()) before calling
436  * this function: it is a bug to call unlock on a @hwlock that is already
439 static inline void hwspin_unlock_in_atomic(struct hwspinlock *hwlock)  in hwspin_unlock_in_atomic()  argument
441 	__hwspin_unlock(hwlock, HWLOCK_IN_ATOMIC, NULL);  in hwspin_unlock_in_atomic()
446  * @hwlock: a previously-acquired hwspinlock which we want to unlock
451  * @hwlock must be already locked (e.g. by hwspin_trylock()) before calling
452  * this function: it is a bug to call unlock on a @hwlock that is already
455 static inline void hwspin_unlock(struct hwspinlock *hwlock)  in hwspin_unlock()  argument
457 	__hwspin_unlock(hwlock, 0, NULL);  in hwspin_unlock()