uml: fix tty-related build error

/home/wangcong/Projects/linux-2.6/arch/um/drivers/line.c: In function `line_write_interrupt':
/home/wangcong/Projects/linux-2.6/arch/um/drivers/line.c:366: error: `struct tty_ldisc' has no member named `write_wakeup'
/home/wangcong/Projects/linux-2.6/arch/um/drivers/line.c:367: error: `struct tty_ldisc' has no member named `write_wakeup'

Signed-off-by: WANG Cong <wangcong@zeuux.org>
Cc: Jeff Dike <jdike@addtoit.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 5047490..d741f35 100644 (file)
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -362,19 +362,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
        if (tty == NULL)
                return IRQ_NONE;
 
-       if (test_bit(TTY_DO_WRITE_WAKEUP, &tty->flags) &&
-          (tty->ldisc.write_wakeup != NULL))
-               (tty->ldisc.write_wakeup)(tty);
-
-       /*
-        * BLOCKING mode
-        * In blocking mode, everything sleeps on tty->write_wait.
-        * Sleeping in the console driver would break non-blocking
-        * writes.
-        */
-
-       if (waitqueue_active(&tty->write_wait))
-               wake_up_interruptible(&tty->write_wait);
+       tty_wakeup(tty);
        return IRQ_HANDLED;
 }