line_flush_buffer(tty);
}
-void line_put_char(struct tty_struct *tty, unsigned char ch)
+int line_put_char(struct tty_struct *tty, unsigned char ch)
{
- line_write(tty, &ch, sizeof(ch));
+ return line_write(tty, &ch, sizeof(ch));
}
int line_write(struct tty_struct *tty, const unsigned char *buf, int len)
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;
}