# HG changeset patch
# User Florian Pose <fp@igh-essen.com>
# Date 1476778821 -7200
# Node ID 39280d5a33216e17c571207af947362f5c4ee4c5
# Parent  7690a5df753967b50aef6bfdac8c7747157cbb70
Support changed tty_prepare_flip_string() interface from kernel 3.9.

diff -r 7690a5df7539 -r 39280d5a3321 tty/module.c
--- a/tty/module.c	Fri Sep 16 12:35:09 2016 +0200
+++ b/tty/module.c	Tue Oct 18 10:20:21 2016 +0200
@@ -337,7 +337,11 @@
     to_recv = ec_tty_rx_size(tty);
     if (to_recv && tty->tty) {
         unsigned char *cbuf;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
+        int space = tty_prepare_flip_string(tty->tty->port, &cbuf, to_recv);
+#else
         int space = tty_prepare_flip_string(tty->tty, &cbuf, to_recv);
+#endif
 
         if (space < to_recv) {
             printk(KERN_WARNING PFX "Insufficient space to_recv=%d space=%d\n",
@@ -362,7 +366,11 @@
                 tty->rx_read_idx =
                     (tty->rx_read_idx + 1) % EC_TTY_RX_BUFFER_SIZE;
             }
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 9, 0)
+            tty_flip_buffer_push(tty->tty->port);
+#else
             tty_flip_buffer_push(tty->tty);
+#endif
         }
     }