--- /dev/null
+From 55a707283dbb3b2fdcaaa4e177d050e122cfc2a0 Mon Sep 17 00:00:00 2001
+From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+Date: Mon, 29 Dec 2014 13:55:16 +0100
+Subject: [PATCH 4/5] Add stack direction for the Blackfin architecture
+
+The stack grows downward on Blackfin, see
+https://sourceware.org/binutils/docs/as/Blackfin-Syntax.html: "The
+stack grows by decrementing the stack pointer.".
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+---
+ m4/stack-direction.m4 | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/m4/stack-direction.m4 b/m4/stack-direction.m4
+index 53f4216..1a97d5a 100644
+--- a/m4/stack-direction.m4
++++ b/m4/stack-direction.m4
+@@ -18,6 +18,7 @@ AC_DEFUN([SV_STACK_DIRECTION],
+ arc | \
+ arm* | strongarm* | xscale* | \
+ avr | \
++ bfin | \
+ c1 | c2 | c32 | c34 | c38 | \
+ clipper | \
+ cris | \
+--
+2.1.0
+