diff options
author | Hendrik Brueckner <brueckner@linux.vnet.ibm.com> | 2008-10-13 23:12:48 +0000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-10-22 10:59:54 +1100 |
commit | fc362e2e0efd8b652ebfb409a4e43e6189c04f6f (patch) | |
tree | 9cffc84bcc4e615ee08f0f47ff58a7131b55194a /drivers/char/hvc_console.h | |
parent | a02efb906d12c9d4eb2ab7c59049ba9545e5412d (diff) | |
download | op-kernel-dev-fc362e2e0efd8b652ebfb409a4e43e6189c04f6f.zip op-kernel-dev-fc362e2e0efd8b652ebfb409a4e43e6189c04f6f.tar.gz |
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>
Diffstat (limited to 'drivers/char/hvc_console.h')
-rw-r--r-- | drivers/char/hvc_console.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h index 9790201..ec0e9bb 100644 --- a/drivers/char/hvc_console.h +++ b/drivers/char/hvc_console.h @@ -65,9 +65,10 @@ struct hv_ops { int (*get_chars)(uint32_t vtermno, char *buf, int count); int (*put_chars)(uint32_t vtermno, const char *buf, int count); - /* Callbacks for notification. Called in open and close */ + /* Callbacks for notification. Called in open, close and hangup */ int (*notifier_add)(struct hvc_struct *hp, int irq); void (*notifier_del)(struct hvc_struct *hp, int irq); + void (*notifier_hangup)(struct hvc_struct *hp, int irq); }; /* Register a vterm and a slot index for use as a console (console_init) */ @@ -86,6 +87,7 @@ void hvc_kick(void); /* default notifier for irq based notification */ extern int notifier_add_irq(struct hvc_struct *hp, int data); extern void notifier_del_irq(struct hvc_struct *hp, int data); +extern void notifier_hangup_irq(struct hvc_struct *hp, int data); #if defined(CONFIG_XMON) && defined(CONFIG_SMP) |