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>
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

View File

@@ -42,3 +42,8 @@ void notifier_del_irq(struct hvc_struct *hp, int irq)
free_irq(irq, hp);
hp->irq_requested = 0;
}
void notifier_hangup_irq(struct hvc_struct *hp, int irq)
{
notifier_del_irq(hp, irq);
}