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authorJeff Garzik <jeff@garzik.org>2007-02-17 23:09:59 +0300
committerJeff Garzik <jeff@garzik.org>2007-02-17 23:09:59 +0300
commit48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (patch)
treeda3aa535c98cc0957851354ceb0fbff7482d7a9d /drivers/isdn/gigaset/interface.c
parent1a1689344add3333d28d1b5495d8043a3877d01c (diff)
parent4409d28140d9a6e6e3f4f1fdaf7234c4b965d954 (diff)
downloadlinux-48c871c1f6a7c7044dd76774fb469e65c7e2e4e8.tar.xz
Merge branch 'gfar' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into upstream
Diffstat (limited to 'drivers/isdn/gigaset/interface.c')
-rw-r--r--drivers/isdn/gigaset/interface.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 458b6462f937..eb50f3dab5f7 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -599,19 +599,9 @@ out:
static void if_wake(unsigned long data)
{
struct cardstate *cs = (struct cardstate *) data;
- struct tty_struct *tty;
-
- tty = cs->tty;
- if (!tty)
- return;
-
- if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
- tty->ldisc.write_wakeup) {
- gig_dbg(DEBUG_IF, "write wakeup call");
- tty->ldisc.write_wakeup(tty);
- }
- wake_up_interruptible(&tty->write_wait);
+ if (cs->tty)
+ tty_wakeup(cs->tty);
}
/*** interface to common ***/
@@ -625,6 +615,8 @@ void gigaset_if_init(struct cardstate *cs)
return;
tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs);
+
+ mutex_lock(&cs->mutex);
cs->tty_dev = tty_register_device(drv->tty, cs->minor_index, NULL);
if (!IS_ERR(cs->tty_dev))
@@ -633,6 +625,7 @@ void gigaset_if_init(struct cardstate *cs)
warn("could not register device to the tty subsystem");
cs->tty_dev = NULL;
}
+ mutex_unlock(&cs->mutex);
}
void gigaset_if_free(struct cardstate *cs)