25 static int tee_alloc_ring(struct psp_tee_device *tee, int ring_size)  in tee_alloc_ring()  argument
30 	if (!ring_size)  in tee_alloc_ring()
36 	start_addr = (void *)__get_free_pages(GFP_KERNEL, get_order(ring_size));  in tee_alloc_ring()
40 	memset(start_addr, 0x0, ring_size);  in tee_alloc_ring()
42 	rb_mgr->ring_size = ring_size;  in tee_alloc_ring()
57 		   get_order(rb_mgr->ring_size));  in tee_free_ring()
60 	rb_mgr->ring_size = 0;  in tee_free_ring()
96 	cmd->size = tee->rb_mgr.ring_size;  in tee_alloc_cmd_buffer()
111 	int ring_size = MAX_RING_BUFFER_ENTRIES * sizeof(struct tee_ring_cmd);  in tee_init_ring()  local
119 	ret = tee_alloc_ring(tee, ring_size);  in tee_init_ring()
309 	if (tee->rb_mgr.wptr >= tee->rb_mgr.ring_size)  in tee_submit_cmd()