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hvc_console: Add a hangup notifier for backends

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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>
This commit is contained in:
Hendrik Brueckner
2008-10-13 23:12:48 +00:00
committed by Benjamin Herrenschmidt
parent a02efb906d
commit fc362e2e0e
7 changed files with 14 additions and 3 deletions
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drivers/char/virtio_console.c
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@@ -198,6 +198,7 @@ static int __devinit virtcons_probe(struct virtio_device *dev)
virtio_cons.put_chars = put_chars;
virtio_cons.notifier_add = notifier_add_vio;
virtio_cons.notifier_del = notifier_del_vio;
virtio_cons.notifier_hangup = notifier_del_vio;
/* The first argument of hvc_alloc() is the virtual console number, so
* we use zero. The second argument is the parameter for the