30 static inline void _mpic_msgr_mer_write(struct mpic_msgr *msgr, u32 value)  in _mpic_msgr_mer_write()  argument
32 	out_be32(msgr->mer, value);  in _mpic_msgr_mer_write()
35 static inline u32 _mpic_msgr_mer_read(struct mpic_msgr *msgr)  in _mpic_msgr_mer_read()  argument
37 	return in_be32(msgr->mer);  in _mpic_msgr_mer_read()
40 static inline void _mpic_msgr_disable(struct mpic_msgr *msgr)  in _mpic_msgr_disable()  argument
42 	u32 mer = _mpic_msgr_mer_read(msgr);  in _mpic_msgr_disable()
44 	_mpic_msgr_mer_write(msgr, mer & ~(1 << msgr->num));  in _mpic_msgr_disable()
50 	struct mpic_msgr *msgr;  in mpic_msgr_get()  local
53 	msgr = ERR_PTR(-EBUSY);  in mpic_msgr_get()
59 	msgr = mpic_msgrs[reg_num];  in mpic_msgr_get()
60 	if (msgr->in_use == MSGR_FREE)  in mpic_msgr_get()
61 		msgr->in_use = MSGR_INUSE;  in mpic_msgr_get()
64 	return msgr;  in mpic_msgr_get()
68 void mpic_msgr_put(struct mpic_msgr *msgr)  in mpic_msgr_put()  argument
72 	raw_spin_lock_irqsave(&msgr->lock, flags);  in mpic_msgr_put()
73 	msgr->in_use = MSGR_FREE;  in mpic_msgr_put()
74 	_mpic_msgr_disable(msgr);  in mpic_msgr_put()
75 	raw_spin_unlock_irqrestore(&msgr->lock, flags);  in mpic_msgr_put()
79 void mpic_msgr_enable(struct mpic_msgr *msgr)  in mpic_msgr_enable()  argument
84 	raw_spin_lock_irqsave(&msgr->lock, flags);  in mpic_msgr_enable()
85 	mer = _mpic_msgr_mer_read(msgr);  in mpic_msgr_enable()
86 	_mpic_msgr_mer_write(msgr, mer | (1 << msgr->num));  in mpic_msgr_enable()
87 	raw_spin_unlock_irqrestore(&msgr->lock, flags);  in mpic_msgr_enable()
91 void mpic_msgr_disable(struct mpic_msgr *msgr)  in mpic_msgr_disable()  argument
95 	raw_spin_lock_irqsave(&msgr->lock, flags);  in mpic_msgr_disable()
96 	_mpic_msgr_disable(msgr);  in mpic_msgr_disable()
97 	raw_spin_unlock_irqrestore(&msgr->lock, flags);  in mpic_msgr_disable()
218 		struct mpic_msgr *msgr;  in mpic_msgr_probe()  local
221 		msgr = kzalloc(sizeof(struct mpic_msgr), GFP_KERNEL);  in mpic_msgr_probe()
222 		if (!msgr) {  in mpic_msgr_probe()
228 		msgr->base = msgr_block_addr + i * MPIC_MSGR_STRIDE;  in mpic_msgr_probe()
229 		msgr->mer = (u32 *)((u8 *)msgr->base + MPIC_MSGR_MER_OFFSET);  in mpic_msgr_probe()
230 		msgr->in_use = MSGR_FREE;  in mpic_msgr_probe()
231 		msgr->num = i;  in mpic_msgr_probe()
232 		raw_spin_lock_init(&msgr->lock);  in mpic_msgr_probe()
235 			msgr->irq = irq_of_parse_and_map(np, irq_index);  in mpic_msgr_probe()
236 			if (!msgr->irq) {  in mpic_msgr_probe()
239 				kfree(msgr);  in mpic_msgr_probe()
244 			msgr->irq = 0;  in mpic_msgr_probe()
247 		mpic_msgrs[reg_number] = msgr;  in mpic_msgr_probe()
248 		mpic_msgr_disable(msgr);  in mpic_msgr_probe()
250 				reg_number, msgr->irq);  in mpic_msgr_probe()