summaryrefslogtreecommitdiff
path: root/include/linux/serial_8250.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/serial_8250.h')
-rw-r--r--include/linux/serial_8250.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index f93649e22c43..3df10d5f154b 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -84,6 +84,7 @@ struct uart_8250_port {
unsigned char mcr_mask; /* mask of user bits */
unsigned char mcr_force; /* mask of forced bits */
unsigned char cur_iotype; /* Running I/O type */
+ unsigned int rpm_tx_active;
/*
* Some bits in registers are cleared on a read, so they must
@@ -96,10 +97,13 @@ 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 +125,8 @@ 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);