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TTY: add tty_port_tty_wakeup helper

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It allows for cleaning up on a considerable amount of places. They did
port_get, wakeup, kref_put. Now the only thing needed is to call
tty_port_tty_wakeup which does exactly that.

One exception is ifx6x60 where tty_wakeup was open-coded. We now call
tty_wakeup properly there.

Signed-off-by: Jiri Slaby <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Jiri Slaby 2013-03-07 13:12:29 +01:00 • committed by Greg Kroah-Hartman
commit 6aad04f213
22 changed files with 51 additions and 176 deletions
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8
arch/um/drivers/line.c
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@ -248,7 +248,6 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
{
struct chan *chan = data;
struct line *line = chan->line;
struct tty_struct *tty;
int err;
/*
@ -267,12 +266,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
}
spin_unlock(&line->lock);
tty = tty_port_tty_get(&line->port);
if (tty == NULL)
return IRQ_NONE;
tty_wakeup(tty);
tty_kref_put(tty);
tty_port_tty_wakeup(&line->port);
return IRQ_HANDLED;
}