+
+/**
+ * ioc4_serial_remove_one - detach function
+ *
+ * @idd: IOC4 master module data for this IOC4
+ */
+
+static int ioc4_serial_remove_one(struct ioc4_driver_data *idd)
+{
+ int port_num, port_type;
+ struct ioc4_control *control;
+ struct uart_port *the_port;
+ struct ioc4_port *port;
+ struct ioc4_soft *soft;
+
+ control = idd->idd_serial_data;
+
+ for (port_num = 0; port_num < IOC4_NUM_SERIAL_PORTS; port_num++) {
+ for (port_type = UART_PORT_MIN;
+ port_type < UART_PORT_COUNT;
+ port_type++) {
+ the_port = &control->ic_port[port_num].icp_uart_port
+ [port_type];
+ if (the_port) {
+ switch (port_type) {
+ case UART_PORT_RS422:
+ uart_remove_one_port(&ioc4_uart_rs422,
+ the_port);
+ break;
+ default:
+ case UART_PORT_RS232:
+ uart_remove_one_port(&ioc4_uart_rs232,
+ the_port);
+ break;
+ }
+ }
+ }
+ port = control->ic_port[port_num].icp_port;
+ /* we allocate in pairs */
+ if (!(port_num & 1) && port) {
+ pci_free_consistent(port->ip_pdev,
+ TOTAL_RING_BUF_SIZE,
+ port->ip_cpu_ringbuf,
+ port->ip_dma_ringbuf);
+ kfree(port);
+ }
+ }
+ soft = control->ic_soft;
+ if (soft) {
+ free_irq(control->ic_irq, soft);
+ if (soft->is_ioc4_serial_addr) {
+ release_region((unsigned long)
+ soft->is_ioc4_serial_addr,
+ sizeof(struct ioc4_serial));
+ }
+ kfree(soft);
+ }
+ kfree(control);
+ idd->idd_serial_data = NULL;
+
+ return 0;
+}
+
+