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authorIngo Molnar <mingo@elte.hu>2010-04-02 20:02:55 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-02 20:03:08 +0200
commitc9494727cf293ae2ec66af57547a3e79c724fec2 (patch)
tree44ae197b64fa7530ee695a90ad31326dda06f1e1 /include/linux/tty_ldisc.h
parent6427462bfa50f50dc6c088c07037264fcc73eca1 (diff)
parent42be79e37e264557f12860fa4cc84b4de3685954 (diff)
Merge branch 'linus' into sched/core
Merge reason: update to latest upstream Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/tty_ldisc.h')
-rw-r--r--include/linux/tty_ldisc.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 0c4ee9b88f85..526d66f066a3 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -99,6 +99,12 @@
* cease I/O to the tty driver. Can sleep. The driver should
* seek to perform this action quickly but should wait until
* any pending driver I/O is completed.
+ *
+ * void (*dcd_change)(struct tty_struct *tty, unsigned int status,
+ * struct timespec *ts)
+ *
+ * Tells the discipline that the DCD pin has changed its status and
+ * the relative timestamp. Pointer ts can be NULL.
*/
#include <linux/fs.h>
@@ -136,6 +142,8 @@ struct tty_ldisc_ops {
void (*receive_buf)(struct tty_struct *, const unsigned char *cp,
char *fp, int count);
void (*write_wakeup)(struct tty_struct *);
+ void (*dcd_change)(struct tty_struct *, unsigned int,
+ struct timespec *);
struct module *owner;