26 	struct ring_buf_manager *rb_mgr = &tee->rb_mgr;  in tee_alloc_ring()  local
40 	rb_mgr->ring_start = start_addr;  in tee_alloc_ring()
41 	rb_mgr->ring_size = ring_size;  in tee_alloc_ring()
42 	rb_mgr->ring_pa = __psp_pa(start_addr);  in tee_alloc_ring()
43 	mutex_init(&rb_mgr->mutex);  in tee_alloc_ring()
50 	struct ring_buf_manager *rb_mgr = &tee->rb_mgr;  in tee_free_ring()  local
52 	if (!rb_mgr->ring_start)  in tee_free_ring()
55 	free_pages((unsigned long)rb_mgr->ring_start,  in tee_free_ring()
56 		   get_order(rb_mgr->ring_size));  in tee_free_ring()
58 	rb_mgr->ring_start = NULL;  in tee_free_ring()
59 	rb_mgr->ring_size = 0;  in tee_free_ring()
60 	rb_mgr->ring_pa = 0;  in tee_free_ring()
61 	mutex_destroy(&rb_mgr->mutex);  in tee_free_ring()
93 	cmd->hi_addr = upper_32_bits(tee->rb_mgr.ring_pa);  in tee_alloc_cmd_buffer()
94 	cmd->low_addr = lower_32_bits(tee->rb_mgr.ring_pa);  in tee_alloc_cmd_buffer()
95 	cmd->size = tee->rb_mgr.ring_size;  in tee_alloc_cmd_buffer()
124 	tee->rb_mgr.wptr = 0;  in tee_init_ring()
170 	if (!tee->rb_mgr.ring_start)  in tee_destroy_ring()
253 	mutex_lock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
259 			(tee->rb_mgr.ring_start + tee->rb_mgr.wptr);  in tee_submit_cmd()
266 		if (!(tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr ||  in tee_submit_cmd()
271 			rptr, tee->rb_mgr.wptr);  in tee_submit_cmd()
274 		mutex_unlock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
276 		mutex_lock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
281 	    (tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr ||  in tee_submit_cmd()
284 			rptr, tee->rb_mgr.wptr, cmd->flag);  in tee_submit_cmd()
307 	tee->rb_mgr.wptr += sizeof(struct tee_ring_cmd);  in tee_submit_cmd()
308 	if (tee->rb_mgr.wptr >= tee->rb_mgr.ring_size)  in tee_submit_cmd()
309 		tee->rb_mgr.wptr = 0;  in tee_submit_cmd()
312 	iowrite32(tee->rb_mgr.wptr, tee->io_regs + tee->vdata->ring_wptr_reg);  in tee_submit_cmd()
320 	mutex_unlock(&tee->rb_mgr.mutex);  in tee_submit_cmd()