1 files changed, 6 insertions, 3 deletions

diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h
index 22bf3a73437c..84d1f64f9795 100644
--- a/arch/um/include/chan_kern.h
+++ b/arch/um/include/chan_kern.h
@@ -14,11 +14,14 @@
 
 struct chan {
         struct list_head list;
+        struct list_head free_list;
+        struct line *line;
         char *dev;
         unsigned int primary:1;
         unsigned int input:1;
         unsigned int output:1;
         unsigned int opened:1;
+        unsigned int enabled:1;
         int fd;
         struct chan_ops *ops;
         void *data;
@@ -26,7 +29,7 @@ struct chan {
 
 extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
                            struct tty_struct *tty, int irq);
-extern int parse_chan_pair(char *str, struct list_head *chans, int device,
+extern int parse_chan_pair(char *str, struct line *line, int device,
                            struct chan_opts *opts);
 extern int open_chan(struct list_head *chans);
 extern int write_chan(struct list_head *chans, const char *buf, int len,
@@ -35,9 +38,9 @@ extern int console_write_chan(struct list_head *chans, const char *buf,
                               int len);
 extern int console_open_chan(struct line *line, struct console *co,
                              struct chan_opts *opts);
-extern void close_chan(struct list_head *chans);
 extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
-extern void enable_chan(struct list_head *chans, struct tty_struct *tty);
+extern void enable_chan(struct line *line);
+extern void close_chan(struct list_head *chans, int delay_free_irq);
 extern int chan_window_size(struct list_head *chans, 
                              unsigned short *rows_out, 
                              unsigned short *cols_out);