tty: serial: 8250_core: allow to set ->throttle / ->unthrottle callbacks

[deliverable/linux.git] / include / linux / serial_8250.h

diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index f93649e22c438369983ec8a393da3f05d69bea76..6fc9d7bee05ee224eea58591f60a5d76140cd061 100644 (file)
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -96,10 +96,13 @@ struct uart_8250_port {
        unsigned char           msr_saved_flags;
 
        struct uart_8250_dma    *dma;
+       struct serial_rs485     rs485;
 
        /* 8250 specific callbacks */
        int                     (*dl_read)(struct uart_8250_port *);
        void                    (*dl_write)(struct uart_8250_port *, int);
+       int                     (*rs485_config)(struct uart_8250_port *,
+                                               struct serial_rs485 *rs485);
 };
 
 static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up)
@@ -121,6 +124,8 @@ extern void serial8250_early_out(struct uart_port *port, int offset, int value);
 extern int setup_early_serial8250_console(char *cmdline);
 extern void serial8250_do_set_termios(struct uart_port *port,
                struct ktermios *termios, struct ktermios *old);
+extern int serial8250_do_startup(struct uart_port *port);
+extern void serial8250_do_shutdown(struct uart_port *port);
 extern void serial8250_do_pm(struct uart_port *port, unsigned int state,
                             unsigned int oldstate);
 extern int fsl8250_handle_irq(struct uart_port *port);