void serial8250_suspend_port(int line);
void serial8250_resume_port(int line);
-extern int early_serial_setup(struct uart_port *port);
-
-extern int early_serial8250_setup(struct earlycon_device *device,
- const char *options);
-extern void serial8250_update_uartclk(struct uart_port *port,
- unsigned int uartclk);
-extern void serial8250_do_set_termios(struct uart_port *port,
- struct ktermios *termios, const struct ktermios *old);
-extern void serial8250_do_set_ldisc(struct uart_port *port,
- struct ktermios *termios);
-extern unsigned int serial8250_do_get_mctrl(struct uart_port *port);
-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 void serial8250_do_set_mctrl(struct uart_port *port, unsigned int mctrl);
-extern void serial8250_do_set_divisor(struct uart_port *port, unsigned int baud,
- unsigned int quot,
- unsigned int quot_frac);
-extern int fsl8250_handle_irq(struct uart_port *port);
+int early_serial_setup(struct uart_port *port);
+int early_serial8250_setup(struct earlycon_device *device, const char *options);
+
+void serial8250_update_uartclk(struct uart_port *port, unsigned int uartclk);
+void serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios,
+ const struct ktermios *old);
+void serial8250_do_set_ldisc(struct uart_port *port, struct ktermios *termios);
+unsigned int serial8250_do_get_mctrl(struct uart_port *port);
+int serial8250_do_startup(struct uart_port *port);
+void serial8250_do_shutdown(struct uart_port *port);
+void serial8250_do_pm(struct uart_port *port, unsigned int state,
+ unsigned int oldstate);
+void serial8250_do_set_mctrl(struct uart_port *port, unsigned int mctrl);
+void serial8250_do_set_divisor(struct uart_port *port, unsigned int baud,
+ unsigned int quot, unsigned int quot_frac);
+int fsl8250_handle_irq(struct uart_port *port);
int serial8250_handle_irq(struct uart_port *port, unsigned int iir);
u16 serial8250_rx_chars(struct uart_8250_port *up, u16 lsr);
void serial8250_read_char(struct uart_8250_port *up, u16 lsr);
int serial8250_console_setup(struct uart_port *port, char *options, bool probe);
int serial8250_console_exit(struct uart_port *port);
-extern void serial8250_set_isa_configurator(void (*v)
- (int port, struct uart_port *up,
- u32 *capabilities));
+void serial8250_set_isa_configurator(void (*v)(int port, struct uart_port *up,
+ u32 *capabilities));
#ifdef CONFIG_SERIAL_8250_RT288X
unsigned int au_serial_in(struct uart_port *p, int offset);
#define EARLYCON_DECLARE(_name, fn) OF_EARLYCON_DECLARE(_name, "", fn)
-extern int of_setup_earlycon(const struct earlycon_id *match,
- unsigned long node,
- const char *options);
+int of_setup_earlycon(const struct earlycon_id *match, unsigned long node,
+ const char *options);
#ifdef CONFIG_SERIAL_EARLYCON
extern bool earlycon_acpi_spcr_enable __initdata;
* The following are helper functions for the low level drivers.
*/
-extern void uart_handle_dcd_change(struct uart_port *uport, bool active);
-extern void uart_handle_cts_change(struct uart_port *uport, bool active);
+void uart_handle_dcd_change(struct uart_port *uport, bool active);
+void uart_handle_cts_change(struct uart_port *uport, bool active);
-extern void uart_insert_char(struct uart_port *port, unsigned int status,
- unsigned int overrun, unsigned int ch, unsigned int flag);
+void uart_insert_char(struct uart_port *port, unsigned int status,
+ unsigned int overrun, unsigned int ch, unsigned int flag);
void uart_xchar_out(struct uart_port *uport, int offset);