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.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index e02acf0a0ec9..a8efa235b7c1 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -85,6 +85,9 @@ struct uart_8250_port {
unsigned char mcr_force; /* mask of forced bits */
unsigned char cur_iotype; /* Running I/O type */
unsigned int rpm_tx_active;
+ unsigned char canary; /* non-zero during system sleep
+ * if no_console_suspend
+ */
/*
* Some bits in registers are cleared on a read, so they must
@@ -126,6 +129,7 @@ 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 int fsl8250_handle_irq(struct uart_port *port);
int serial8250_handle_irq(struct uart_port *port, unsigned int iir);
unsigned char serial8250_rx_chars(struct uart_8250_port *up, unsigned char lsr);