91 	int err;  in nfp_cpp_mutex_init()  local
93 	err = nfp_cpp_mutex_validate(interface, &target, address);  in nfp_cpp_mutex_init()
94 	if (err)  in nfp_cpp_mutex_init()
95 		return err;  in nfp_cpp_mutex_init()
97 	err = nfp_cpp_writel(cpp, muw, address + 4, key);  in nfp_cpp_mutex_init()
98 	if (err)  in nfp_cpp_mutex_init()
99 		return err;  in nfp_cpp_mutex_init()
101 	err = nfp_cpp_writel(cpp, muw, address, nfp_mutex_locked(interface));  in nfp_cpp_mutex_init()
102 	if (err)  in nfp_cpp_mutex_init()
103 		return err;  in nfp_cpp_mutex_init()
129 	int err;  in nfp_cpp_mutex_alloc()  local
132 	err = nfp_cpp_mutex_validate(interface, &target, address);  in nfp_cpp_mutex_alloc()
133 	if (err)  in nfp_cpp_mutex_alloc()
136 	err = nfp_cpp_readl(cpp, mur, address + 4, &tmp);  in nfp_cpp_mutex_alloc()
137 	if (err < 0)  in nfp_cpp_mutex_alloc()
176 	int err;  in nfp_cpp_mutex_lock()  local
184 		err = nfp_cpp_mutex_trylock(mutex);  in nfp_cpp_mutex_lock()
185 		if (err != -EBUSY)  in nfp_cpp_mutex_lock()
188 		err = msleep_interruptible(timeout_ms);  in nfp_cpp_mutex_lock()
189 		if (err != 0) {  in nfp_cpp_mutex_lock()
208 	return err;  in nfp_cpp_mutex_lock()
224 	int err;  in nfp_cpp_mutex_unlock()  local
233 	err = nfp_cpp_readl(mutex->cpp, mur, mutex->address + 4, &key);  in nfp_cpp_mutex_unlock()
234 	if (err < 0)  in nfp_cpp_mutex_unlock()
235 		return err;  in nfp_cpp_mutex_unlock()
240 	err = nfp_cpp_readl(mutex->cpp, mur, mutex->address, &value);  in nfp_cpp_mutex_unlock()
241 	if (err < 0)  in nfp_cpp_mutex_unlock()
242 		return err;  in nfp_cpp_mutex_unlock()
247 	err = nfp_cpp_writel(cpp, muw, mutex->address,  in nfp_cpp_mutex_unlock()
249 	if (err < 0)  in nfp_cpp_mutex_unlock()
250 		return err;  in nfp_cpp_mutex_unlock()
269 	int err;  in nfp_cpp_mutex_trylock()  local
279 	err = nfp_cpp_readl(cpp, mur, mutex->address + 4, &key);  in nfp_cpp_mutex_trylock()
280 	if (err < 0)  in nfp_cpp_mutex_trylock()
281 		return err;  in nfp_cpp_mutex_trylock()
304 	err = nfp_cpp_readl(cpp, mus, mutex->address, &tmp);  in nfp_cpp_mutex_trylock()
305 	if (err < 0)  in nfp_cpp_mutex_trylock()
306 		return err;  in nfp_cpp_mutex_trylock()
319 		err = nfp_cpp_writel(cpp, muw, mutex->address, value);  in nfp_cpp_mutex_trylock()
320 		if (err < 0)  in nfp_cpp_mutex_trylock()
321 			return err;  in nfp_cpp_mutex_trylock()
347 	int err;  in nfp_cpp_mutex_reclaim()  local
350 	err = nfp_cpp_mutex_validate(interface, &target, address);  in nfp_cpp_mutex_reclaim()
351 	if (err)  in nfp_cpp_mutex_reclaim()
352 		return err;  in nfp_cpp_mutex_reclaim()
355 	err = nfp_cpp_readl(cpp, mur, address, &tmp);  in nfp_cpp_mutex_reclaim()
356 	if (err < 0)  in nfp_cpp_mutex_reclaim()
357 		return err;  in nfp_cpp_mutex_reclaim()
363 	err = nfp_cpp_writel(cpp, muw, address, nfp_mutex_unlocked(interface));  in nfp_cpp_mutex_reclaim()
364 	if (err < 0)  in nfp_cpp_mutex_reclaim()
365 		return err;  in nfp_cpp_mutex_reclaim()