25 	struct iosm_trace *ipc_trace = ipc_imem->trace;  in ipc_trace_port_rx()  local
27 	if (ipc_trace->ipc_rchan)  in ipc_trace_port_rx()
28 		relay_write(ipc_trace->ipc_rchan, skb->data, skb->len);  in ipc_trace_port_rx()
76 	struct iosm_trace *ipc_trace = filp->private_data;  in ipc_trace_ctrl_file_read()  local
80 	mutex_lock(&ipc_trace->trc_mutex);  in ipc_trace_ctrl_file_read()
81 	len = snprintf(buf, sizeof(buf), "%d\n", ipc_trace->mode);  in ipc_trace_ctrl_file_read()
82 	mutex_unlock(&ipc_trace->trc_mutex);  in ipc_trace_ctrl_file_read()
92 	struct iosm_trace *ipc_trace = filp->private_data;  in ipc_trace_ctrl_file_write()  local
100 	mutex_lock(&ipc_trace->trc_mutex);  in ipc_trace_ctrl_file_write()
101 	if (val == TRACE_ENABLE && ipc_trace->mode != TRACE_ENABLE) {  in ipc_trace_ctrl_file_write()
102 		ipc_trace->channel = ipc_imem_sys_port_open(ipc_trace->ipc_imem,  in ipc_trace_ctrl_file_write()
103 							    ipc_trace->chl_id,  in ipc_trace_ctrl_file_write()
105 		if (!ipc_trace->channel) {  in ipc_trace_ctrl_file_write()
109 		ipc_trace->mode = TRACE_ENABLE;  in ipc_trace_ctrl_file_write()
110 	} else if (val == TRACE_DISABLE && ipc_trace->mode != TRACE_DISABLE) {  in ipc_trace_ctrl_file_write()
111 		ipc_trace->mode = TRACE_DISABLE;  in ipc_trace_ctrl_file_write()
113 		ipc_imem_sys_port_close(ipc_trace->ipc_imem,  in ipc_trace_ctrl_file_write()
114 					ipc_trace->channel);  in ipc_trace_ctrl_file_write()
115 		relay_flush(ipc_trace->ipc_rchan);  in ipc_trace_ctrl_file_write()
119 	mutex_unlock(&ipc_trace->trc_mutex);  in ipc_trace_ctrl_file_write()
138 	struct iosm_trace *ipc_trace;  in ipc_trace_init()  local
144 	ipc_trace = kzalloc(sizeof(*ipc_trace), GFP_KERNEL);  in ipc_trace_init()
145 	if (!ipc_trace)  in ipc_trace_init()
148 	ipc_trace->mode = TRACE_DISABLE;  in ipc_trace_init()
149 	ipc_trace->dev = ipc_imem->dev;  in ipc_trace_init()
150 	ipc_trace->ipc_imem = ipc_imem;  in ipc_trace_init()
151 	ipc_trace->chl_id = IPC_MEM_CTRL_CHL_ID_3;  in ipc_trace_init()
153 	mutex_init(&ipc_trace->trc_mutex);  in ipc_trace_init()
155 	ipc_trace->ctrl_file = debugfs_create_file(IOSM_TRC_DEBUGFS_TRACE_CTRL,  in ipc_trace_init()
158 						   ipc_trace, &ipc_trace_fops);  in ipc_trace_init()
160 	ipc_trace->ipc_rchan = relay_open(IOSM_TRC_DEBUGFS_TRACE,  in ipc_trace_init()
166 	return ipc_trace;  in ipc_trace_init()
173 void ipc_trace_deinit(struct iosm_trace *ipc_trace)  in ipc_trace_deinit()  argument
175 	if (!ipc_trace)  in ipc_trace_deinit()
178 	debugfs_remove(ipc_trace->ctrl_file);  in ipc_trace_deinit()
179 	relay_close(ipc_trace->ipc_rchan);  in ipc_trace_deinit()
180 	mutex_destroy(&ipc_trace->trc_mutex);  in ipc_trace_deinit()
181 	kfree(ipc_trace);  in ipc_trace_deinit()