[PATCH] Char: tty_wakeup cleanup

[firefly-linux-kernel-4.4.55.git] / drivers / usb / serial / keyspan_pda.c

diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index da514cb785b3a0bb87c16dfff4423fddad411301..dd0b66a6ed5d00825a93c571d867f31abd61a183 100644 (file)
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -182,13 +182,8 @@ static void keyspan_pda_wakeup_write(struct work_struct *work)
        struct keyspan_pda_private *priv =
                container_of(work, struct keyspan_pda_private, wakeup_work);
        struct usb_serial_port *port = priv->port;
-       struct tty_struct *tty = port->tty;
 
-       /* wake up port processes */
-       wake_up_interruptible( &port->write_wait );
-
-       /* wake up line discipline */
-       tty_wakeup(tty);
+       tty_wakeup(port->tty);
 }
 
 static void keyspan_pda_request_unthrottle(struct work_struct *work)