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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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4
drivers/char/hvc_console.c
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@@ -418,8 +418,8 @@ static void hvc_hangup(struct tty_struct *tty)
spin_unlock_irqrestore(&hp->lock, flags);
if (hp->ops->notifier_del)
hp->ops->notifier_del(hp, hp->data);
if (hp->ops->notifier_hangup)
hp->ops->notifier_hangup(hp, hp->data);
while(temp_open_count) {
--temp_open_count;