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authorAlan Cox <alan@redhat.com>2008-07-22 06:18:03 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-22 16:03:28 -0400
commit9e98966c7bb94355689478bc84cc3e0c190f977e (patch)
tree928aebbfee524a48aa94a3d3def5249c8846a79a /drivers/char/amiserial.c
parentabbe629ae4011d2020047f41bea9f9e4b0ec4361 (diff)
tty: rework break handling
Some hardware needs to do break handling itself and may have partial support only. Make break_ctl return an error code. Add a tty driver flag so you can indicate driver hardware side break support. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/amiserial.c')
-rw-r--r--drivers/char/amiserial.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 37457e5a4f2b..3530ff417a51 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -1248,7 +1248,7 @@ static int rs_tiocmset(struct tty_struct *tty, struct file *file,
1248/* 1248/*
1249 * rs_break() --- routine which turns the break handling on or off 1249 * rs_break() --- routine which turns the break handling on or off
1250 */ 1250 */
1251static void rs_break(struct tty_struct *tty, int break_state) 1251static int rs_break(struct tty_struct *tty, int break_state)
1252{ 1252{
1253 struct async_struct * info = (struct async_struct *)tty->driver_data; 1253 struct async_struct * info = (struct async_struct *)tty->driver_data;
1254 unsigned long flags; 1254 unsigned long flags;
@@ -1263,6 +1263,7 @@ static void rs_break(struct tty_struct *tty, int break_state)
1263 custom.adkcon = AC_UARTBRK; 1263 custom.adkcon = AC_UARTBRK;
1264 mb(); 1264 mb();
1265 local_irq_restore(flags); 1265 local_irq_restore(flags);
1266 return 0;
1266} 1267}
1267 1268
1268 1269