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Diffstat (limited to 'drivers/tty/serial/8250/8250.h')
-rw-r--r--drivers/tty/serial/8250/8250.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index ebfb0bd5bef5..1d36337d40a2 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -255,3 +255,7 @@ static inline int serial_index(struct uart_port *port)
{
return port->minor - 64;
}
+
+void set_ier(struct uart_8250_port *up, unsigned char ier);
+void clear_ier(struct uart_8250_port *up);
+void restore_ier(struct uart_8250_port *up);