63 int hwspin_lock_free(struct hwspinlock *hwlock);
65 int hwspin_lock_get_id(struct hwspinlock *hwlock);
71 int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id);
72 int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock);
108 static inline int hwspin_lock_free(struct hwspinlock *hwlock)  in hwspin_lock_free()  argument
114 int __hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int to,  in __hwspin_lock_timeout()  argument
121 int __hwspin_trylock(struct hwspinlock *hwlock, int mode, unsigned long *flags)  in __hwspin_trylock()  argument
127 void __hwspin_unlock(struct hwspinlock *hwlock, int mode, unsigned long *flags)  in __hwspin_unlock()  argument
131 static inline int hwspin_lock_bust(struct hwspinlock *hwlock, unsigned int id)  in hwspin_lock_bust()  argument
141 static inline int hwspin_lock_get_id(struct hwspinlock *hwlock)  in hwspin_lock_get_id()  argument
153 int devm_hwspin_lock_free(struct device *dev, struct hwspinlock *hwlock)  in devm_hwspin_lock_free()  argument
174  * @hwlock: an hwspinlock which we want to trylock
186  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
189 int hwspin_trylock_irqsave(struct hwspinlock *hwlock, unsigned long *flags)  in hwspin_trylock_irqsave()  argument
191 	return __hwspin_trylock(hwlock, HWLOCK_IRQSTATE, flags);  in hwspin_trylock_irqsave()
196  * @hwlock: an hwspinlock which we want to trylock
206  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
208 static inline int hwspin_trylock_irq(struct hwspinlock *hwlock)  in hwspin_trylock_irq()  argument
210 	return __hwspin_trylock(hwlock, HWLOCK_IRQ, NULL);  in hwspin_trylock_irq()
215  * @hwlock: an hwspinlock which we want to trylock
225  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
227 static inline int hwspin_trylock_raw(struct hwspinlock *hwlock)  in hwspin_trylock_raw()  argument
229 	return __hwspin_trylock(hwlock, HWLOCK_RAW, NULL);  in hwspin_trylock_raw()
234  * @hwlock: an hwspinlock which we want to trylock
242  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
244 static inline int hwspin_trylock_in_atomic(struct hwspinlock *hwlock)  in hwspin_trylock_in_atomic()  argument
246 	return __hwspin_trylock(hwlock, HWLOCK_IN_ATOMIC, NULL);  in hwspin_trylock_in_atomic()
251  * @hwlock: an hwspinlock which we want to trylock
262  * the hwspinlock was already taken, and -EINVAL if @hwlock is invalid.
264 static inline int hwspin_trylock(struct hwspinlock *hwlock)  in hwspin_trylock()  argument
266 	return __hwspin_trylock(hwlock, 0, NULL);  in hwspin_trylock()
271  * @hwlock: the hwspinlock to be locked
275  * This function locks the underlying @hwlock. If the @hwlock
283  * Returns 0 when the @hwlock was successfully taken, and an appropriate
284  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
287 static inline int hwspin_lock_timeout_irqsave(struct hwspinlock *hwlock,  in hwspin_lock_timeout_irqsave()  argument
290 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_IRQSTATE, flags);  in hwspin_lock_timeout_irqsave()
295  * @hwlock: the hwspinlock to be locked
298  * This function locks the underlying @hwlock. If the @hwlock
306  * Returns 0 when the @hwlock was successfully taken, and an appropriate
307  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
311 int hwspin_lock_timeout_irq(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout_irq()  argument
313 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_IRQ, NULL);  in hwspin_lock_timeout_irq()
318  * @hwlock: the hwspinlock to be locked
321  * This function locks the underlying @hwlock. If the @hwlock
329  * Returns 0 when the @hwlock was successfully taken, and an appropriate
330  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
334 int hwspin_lock_timeout_raw(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout_raw()  argument
336 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_RAW, NULL);  in hwspin_lock_timeout_raw()
341  * @hwlock: the hwspinlock to be locked
344  * This function locks the underlying @hwlock. If the @hwlock
351  * Returns 0 when the @hwlock was successfully taken, and an appropriate
352  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
356 int hwspin_lock_timeout_in_atomic(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout_in_atomic()  argument
358 	return __hwspin_lock_timeout(hwlock, to, HWLOCK_IN_ATOMIC, NULL);  in hwspin_lock_timeout_in_atomic()
363  * @hwlock: the hwspinlock to be locked
366  * This function locks the underlying @hwlock. If the @hwlock
376  * Returns 0 when the @hwlock was successfully taken, and an appropriate
377  * error code otherwise (most notably an -ETIMEDOUT if the @hwlock is still
381 int hwspin_lock_timeout(struct hwspinlock *hwlock, unsigned int to)  in hwspin_lock_timeout()  argument
383 	return __hwspin_lock_timeout(hwlock, to, 0, NULL);  in hwspin_lock_timeout()
388  * @hwlock: a previously-acquired hwspinlock which we want to unlock
395  * @hwlock must be already locked before calling this function: it is a bug
396  * to call unlock on a @hwlock that is already unlocked.
398 static inline void hwspin_unlock_irqrestore(struct hwspinlock *hwlock,  in hwspin_unlock_irqrestore()  argument
401 	__hwspin_unlock(hwlock, HWLOCK_IRQSTATE, flags);  in hwspin_unlock_irqrestore()
406  * @hwlock: a previously-acquired hwspinlock which we want to unlock
411  * @hwlock must be already locked (e.g. by hwspin_trylock_irq()) before
412  * calling this function: it is a bug to call unlock on a @hwlock that is
415 static inline void hwspin_unlock_irq(struct hwspinlock *hwlock)  in hwspin_unlock_irq()  argument
417 	__hwspin_unlock(hwlock, HWLOCK_IRQ, NULL);  in hwspin_unlock_irq()
422  * @hwlock: a previously-acquired hwspinlock which we want to unlock
426  * @hwlock must be already locked (e.g. by hwspin_trylock()) before calling
427  * this function: it is a bug to call unlock on a @hwlock that is already
430 static inline void hwspin_unlock_raw(struct hwspinlock *hwlock)  in hwspin_unlock_raw()  argument
432 	__hwspin_unlock(hwlock, HWLOCK_RAW, NULL);  in hwspin_unlock_raw()
437  * @hwlock: a previously-acquired hwspinlock which we want to unlock
441  * @hwlock must be already locked (e.g. by hwspin_trylock()) before calling
442  * this function: it is a bug to call unlock on a @hwlock that is already
445 static inline void hwspin_unlock_in_atomic(struct hwspinlock *hwlock)  in hwspin_unlock_in_atomic()  argument
447 	__hwspin_unlock(hwlock, HWLOCK_IN_ATOMIC, NULL);  in hwspin_unlock_in_atomic()
452  * @hwlock: a previously-acquired hwspinlock which we want to unlock
457  * @hwlock must be already locked (e.g. by hwspin_trylock()) before calling
458  * this function: it is a bug to call unlock on a @hwlock that is already
461 static inline void hwspin_unlock(struct hwspinlock *hwlock)  in hwspin_unlock()  argument
463 	__hwspin_unlock(hwlock, 0, NULL);  in hwspin_unlock()