kgdb: remove #include <linux/serial_8250.h> from kgdb.h

[karo-tx-linux.git] / drivers / tty / serial / kgdb_nmi.c

diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c
index 6ac2b797a764e6e66362996b1ee08572df1e30c1..5dafcf1c227ba88ed9cf5025e6c965203464dc4b 100644 (file)
--- a/drivers/tty/serial/kgdb_nmi.c
+++ b/drivers/tty/serial/kgdb_nmi.c
@@ -23,6 +23,7 @@
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
+#include <linux/serial_core.h>
 #include <linux/interrupt.h>
 #include <linux/hrtimer.h>
 #include <linux/tick.h>
@@ -202,7 +203,6 @@ bool kgdb_nmi_poll_knock(void)
 static void kgdb_nmi_tty_receiver(unsigned long data)
 {
        struct kgdb_nmi_tty_priv *priv = (void *)data;
-       struct tty_struct *tty;
        char ch;
 
        tasklet_schedule(&priv->tlet);
@@ -210,16 +210,9 @@ static void kgdb_nmi_tty_receiver(unsigned long data)
        if (likely(!kgdb_nmi_tty_enabled || !kfifo_len(&priv->fifo)))
                return;
 
-       /* Port is there, but tty might be hung up, check. */
-       tty = tty_port_tty_get(kgdb_nmi_port);
-       if (!tty)
-               return;
-
        while (kfifo_out(&priv->fifo, &ch, 1))
-               tty_insert_flip_char(priv->port.tty, ch, TTY_NORMAL);
-       tty_flip_buffer_push(priv->port.tty);
-
-       tty_kref_put(tty);
+               tty_insert_flip_char(&priv->port, ch, TTY_NORMAL);
+       tty_flip_buffer_push(&priv->port);
 }
 
 static int kgdb_nmi_tty_activate(struct tty_port *port, struct tty_struct *tty)