26 	struct ring_buf_manager *rb_mgr = &tee->rb_mgr;  in tee_alloc_ring()  local
39 	rb_mgr->ring_start = start_addr;  in tee_alloc_ring()
40 	rb_mgr->ring_size = ring_size;  in tee_alloc_ring()
41 	rb_mgr->ring_pa = __psp_pa(start_addr);  in tee_alloc_ring()
42 	mutex_init(&rb_mgr->mutex);  in tee_alloc_ring()
49 	struct ring_buf_manager *rb_mgr = &tee->rb_mgr;  in tee_free_ring()  local
51 	if (!rb_mgr->ring_start)  in tee_free_ring()
54 	free_pages((unsigned long)rb_mgr->ring_start,  in tee_free_ring()
55 		   get_order(rb_mgr->ring_size));  in tee_free_ring()
57 	rb_mgr->ring_start = NULL;  in tee_free_ring()
58 	rb_mgr->ring_size = 0;  in tee_free_ring()
59 	rb_mgr->ring_pa = 0;  in tee_free_ring()
60 	mutex_destroy(&rb_mgr->mutex);  in tee_free_ring()
92 	cmd->hi_addr = upper_32_bits(tee->rb_mgr.ring_pa);  in tee_alloc_cmd_buffer()
93 	cmd->low_addr = lower_32_bits(tee->rb_mgr.ring_pa);  in tee_alloc_cmd_buffer()
94 	cmd->size = tee->rb_mgr.ring_size;  in tee_alloc_cmd_buffer()
123 	tee->rb_mgr.wptr = 0;  in tee_init_ring()
169 	if (!tee->rb_mgr.ring_start)  in tee_destroy_ring()
252 	mutex_lock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
254 	wptr = tee->rb_mgr.wptr;  in tee_submit_cmd()
267 		mutex_unlock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
269 		mutex_lock(&tee->rb_mgr.mutex);  in tee_submit_cmd()
281 	cmd = (struct tee_ring_cmd *)(tee->rb_mgr.ring_start + wptr);  in tee_submit_cmd()
290 	tee->rb_mgr.wptr += sizeof(struct tee_ring_cmd);  in tee_submit_cmd()
291 	if (tee->rb_mgr.wptr >= tee->rb_mgr.ring_size)  in tee_submit_cmd()
292 		tee->rb_mgr.wptr = 0;  in tee_submit_cmd()
295 	iowrite32(tee->rb_mgr.wptr, tee->io_regs + tee->vdata->ring_wptr_reg);  in tee_submit_cmd()
303 	mutex_unlock(&tee->rb_mgr.mutex);  in tee_submit_cmd()