70 	struct scmi_smc *scmi_info = data;  in smc_msg_done_isr()  local
72 	scmi_rx_callback(scmi_info->cinfo,  in smc_msg_done_isr()
73 			 shmem_read_header(scmi_info->shmem), NULL);  in smc_msg_done_isr()
88 static inline void smc_channel_lock_init(struct scmi_smc *scmi_info)  in smc_channel_lock_init()  argument
91 		atomic_set(&scmi_info->inflight, INFLIGHT_NONE);  in smc_channel_lock_init()
93 		mutex_init(&scmi_info->shmem_lock);  in smc_channel_lock_init()
106 smc_channel_lock_acquire(struct scmi_smc *scmi_info,  in smc_channel_lock_acquire()  argument
110 		spin_until_cond(smc_xfer_inflight(xfer, &scmi_info->inflight));  in smc_channel_lock_acquire()
112 		mutex_lock(&scmi_info->shmem_lock);  in smc_channel_lock_acquire()
115 static inline void smc_channel_lock_release(struct scmi_smc *scmi_info)  in smc_channel_lock_release()  argument
118 		atomic_set(&scmi_info->inflight, INFLIGHT_NONE);  in smc_channel_lock_release()
120 		mutex_unlock(&scmi_info->shmem_lock);  in smc_channel_lock_release()
127 	struct scmi_smc *scmi_info;  in smc_chan_setup()  local
137 	scmi_info = devm_kzalloc(dev, sizeof(*scmi_info), GFP_KERNEL);  in smc_chan_setup()
138 	if (!scmi_info)  in smc_chan_setup()
155 	scmi_info->shmem = devm_ioremap(dev, res.start, size);  in smc_chan_setup()
156 	if (!scmi_info->shmem) {  in smc_chan_setup()
166 		scmi_info->param_page = SHMEM_PAGE(res.start);  in smc_chan_setup()
167 		scmi_info->param_offset = SHMEM_OFFSET(res.start);  in smc_chan_setup()
174 	scmi_info->irq = of_irq_get_byname(cdev->of_node, "a2p");  in smc_chan_setup()
175 	if (scmi_info->irq > 0) {  in smc_chan_setup()
176 		ret = request_irq(scmi_info->irq, smc_msg_done_isr,  in smc_chan_setup()
177 				  IRQF_NO_SUSPEND, dev_name(dev), scmi_info);  in smc_chan_setup()
186 	scmi_info->func_id = func_id;  in smc_chan_setup()
187 	scmi_info->cinfo = cinfo;  in smc_chan_setup()
188 	smc_channel_lock_init(scmi_info);  in smc_chan_setup()
189 	cinfo->transport_info = scmi_info;  in smc_chan_setup()
197 	struct scmi_smc *scmi_info = cinfo->transport_info;  in smc_chan_free()  local
200 	if (scmi_info->irq > 0)  in smc_chan_free()
201 		free_irq(scmi_info->irq, scmi_info);  in smc_chan_free()
204 	scmi_info->cinfo = NULL;  in smc_chan_free()
212 	struct scmi_smc *scmi_info = cinfo->transport_info;  in smc_send_message()  local
214 	unsigned long page = scmi_info->param_page;  in smc_send_message()
215 	unsigned long offset = scmi_info->param_offset;  in smc_send_message()
221 	smc_channel_lock_acquire(scmi_info, xfer);  in smc_send_message()
223 	shmem_tx_prepare(scmi_info->shmem, xfer, cinfo);  in smc_send_message()
225 	arm_smccc_1_1_invoke(scmi_info->func_id, page, offset, 0, 0, 0, 0, 0,  in smc_send_message()
230 		smc_channel_lock_release(scmi_info);  in smc_send_message()
240 	struct scmi_smc *scmi_info = cinfo->transport_info;  in smc_fetch_response()  local
242 	shmem_fetch_response(scmi_info->shmem, xfer);  in smc_fetch_response()
248 	struct scmi_smc *scmi_info = cinfo->transport_info;  in smc_mark_txdone()  local
250 	smc_channel_lock_release(scmi_info);  in smc_mark_txdone()