25  * @shmem: Transmit/Receive shared memory area
33 	struct scmi_shared_mem __iomem *shmem;  member
43 	shmem_tx_prepare(smbox->shmem, m, smbox->cinfo);  in tx_prepare()
59 	if (cl->knows_txdone && !shmem_channel_free(smbox->shmem)) {  in rx_callback()
64 	scmi_rx_callback(smbox->cinfo, shmem_read_header(smbox->shmem), NULL);  in rx_callback()
95  * 'mboxes' and 'shmem', then determin which mailbox channel indexes are
107 	num_sh = of_count_phandle_with_args(np, "shmem", NULL);  in mailbox_chan_validate()
110 	/* Bail out if mboxes and shmem descriptors are inconsistent */  in mailbox_chan_validate()
119 	/* Bail out if provided shmem descriptors do not refer distinct areas  */  in mailbox_chan_validate()
123 		np_tx = of_parse_phandle(np, "shmem", 0);  in mailbox_chan_validate()
124 		np_rx = of_parse_phandle(np, "shmem", 1);  in mailbox_chan_validate()
126 			dev_warn(cdev, "Invalid shmem descriptor for '%s'\n",  in mailbox_chan_validate()
135 	/* Calculate channels IDs to use depending on mboxes/shmem layout */  in mailbox_chan_validate()
167 	struct device_node *shmem;  in mailbox_chan_setup()  local
184 	shmem = of_parse_phandle(cdev->of_node, "shmem", idx);  in mailbox_chan_setup()
185 	if (!of_device_is_compatible(shmem, "arm,scmi-shmem")) {  in mailbox_chan_setup()
186 		of_node_put(shmem);  in mailbox_chan_setup()
190 	ret = of_address_to_resource(shmem, 0, &res);  in mailbox_chan_setup()
191 	of_node_put(shmem);  in mailbox_chan_setup()
198 	smbox->shmem = devm_ioremap(dev, res.start, size);  in mailbox_chan_setup()
199 	if (!smbox->shmem) {  in mailbox_chan_setup()
296 	shmem_fetch_response(smbox->shmem, xfer);  in mailbox_fetch_response()
304 	shmem_fetch_notification(smbox->shmem, max_len, xfer);  in mailbox_fetch_notification()
311 	shmem_clear_channel(smbox->shmem);  in mailbox_clear_channel()
319 	return shmem_poll_done(smbox->shmem, xfer);  in mailbox_poll_done()