584 	struct mhi_ring *buf_ring;  in mhi_deinit_chan_ctxt()  local
589 	buf_ring = &mhi_chan->buf_ring;  in mhi_deinit_chan_ctxt()
598 	vfree(buf_ring->base);  in mhi_deinit_chan_ctxt()
600 	buf_ring->base = tre_ring->base = NULL;  in mhi_deinit_chan_ctxt()
619 	struct mhi_ring *buf_ring;  in mhi_init_chan_ctxt()  local
625 	buf_ring = &mhi_chan->buf_ring;  in mhi_init_chan_ctxt()
634 	buf_ring->el_size = sizeof(struct mhi_buf_info);  in mhi_init_chan_ctxt()
635 	buf_ring->len = buf_ring->el_size * buf_ring->elements;  in mhi_init_chan_ctxt()
636 	buf_ring->base = vzalloc(buf_ring->len);  in mhi_init_chan_ctxt()
638 	if (!buf_ring->base) {  in mhi_init_chan_ctxt()
655 	buf_ring->rp = buf_ring->wp = buf_ring->base;  in mhi_init_chan_ctxt()
796 		mhi_chan->buf_ring.elements = ch_cfg->local_elements;  in parse_ch_cfg()
797 		if (!mhi_chan->buf_ring.elements)  in parse_ch_cfg()
798 			mhi_chan->buf_ring.elements = mhi_chan->tre_ring.elements;  in parse_ch_cfg()