hvc_console: Add a hangup notifier for backends
I have added a hangup notifier that can be used by hvc console
backends to handle a tty hangup. The default irq hangup notifier
calls the notifier_del_irq() for compatibility.
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c
index 93f3840..019e0b5 100644
--- a/drivers/char/hvc_vio.c
+++ b/drivers/char/hvc_vio.c
@@ -82,6 +82,7 @@
.put_chars = hvc_put_chars,
.notifier_add = notifier_add_irq,
.notifier_del = notifier_del_irq,
+ .notifier_hangup = notifier_hangup_irq,
};
static int __devinit hvc_vio_probe(struct vio_dev *vdev,