void (*release_irq)(struct uart_8250_port *);
};
+struct uart_8250_em485 {
+ struct timer_list start_tx_timer; /* "rs485 start tx" timer */
+ struct timer_list stop_tx_timer; /* "rs485 stop tx" timer */
+ struct timer_list *active_timer; /* pointer to active timer */
+};
+
/*
* This should be used by drivers which want to register
* their own 8250 ports without registering their own
/* 8250 specific callbacks */
int (*dl_read)(struct uart_8250_port *);
void (*dl_write)(struct uart_8250_port *, int);
+
+ struct uart_8250_em485 *em485;
};
static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up)