27 	struct ring_buf_manager *rb_mgr = &tee->rb_mgr;  in tee_alloc_ring()  local
41 	rb_mgr->ring_start = start_addr;  in tee_alloc_ring()
42 	rb_mgr->ring_size = ring_size;  in tee_alloc_ring()
43 	rb_mgr->ring_pa = __psp_pa(start_addr);  in tee_alloc_ring()
44 	mutex_init(&rb_mgr->mutex);  in tee_alloc_ring()
51 	struct ring_buf_manager *rb_mgr = &tee->rb_mgr;  in tee_free_ring()  local
53 	if (!rb_mgr->ring_start)  in tee_free_ring()
56 	free_pages((unsigned long)rb_mgr->ring_start,  in tee_free_ring()
57 		   get_order(rb_mgr->ring_size));  in tee_free_ring()
59 	rb_mgr->ring_start = NULL;  in tee_free_ring()
60 	rb_mgr->ring_size = 0;  in tee_free_ring()
61 	rb_mgr->ring_pa = 0;  in tee_free_ring()
62 	mutex_destroy(&rb_mgr->mutex);  in tee_free_ring()
94 	cmd->hi_addr = upper_32_bits(tee->rb_mgr.ring_pa);  in tee_alloc_cmd_buffer()
95 	cmd->low_addr = lower_32_bits(tee->rb_mgr.ring_pa);  in tee_alloc_cmd_buffer()
96 	cmd->size = tee->rb_mgr.ring_size;  in tee_alloc_cmd_buffer()
125 	tee->rb_mgr.wptr = 0;  in tee_init_ring()
171 	if (!tee->rb_mgr.ring_start)  in tee_destroy_ring()
254 	mutex_lock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
260 			(tee->rb_mgr.ring_start + tee->rb_mgr.wptr);  in tee_submit_cmd()
267 		if (!(tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr ||  in tee_submit_cmd()
272 			rptr, tee->rb_mgr.wptr);  in tee_submit_cmd()
275 		mutex_unlock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
277 		mutex_lock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
282 	    (tee->rb_mgr.wptr + sizeof(struct tee_ring_cmd) == rptr ||  in tee_submit_cmd()
285 			rptr, tee->rb_mgr.wptr, cmd->flag);  in tee_submit_cmd()
308 	tee->rb_mgr.wptr += sizeof(struct tee_ring_cmd);  in tee_submit_cmd()
309 	if (tee->rb_mgr.wptr >= tee->rb_mgr.ring_size)  in tee_submit_cmd()
310 		tee->rb_mgr.wptr = 0;  in tee_submit_cmd()
313 	iowrite32(tee->rb_mgr.wptr, tee->io_regs + tee->vdata->ring_wptr_reg);  in tee_submit_cmd()
321 	mutex_unlock(&tee->rb_mgr.mutex);  in tee_submit_cmd()