From 1111a3d6a0551b251c40a5161d92c79b776a74e7 Mon Sep 17 00:00:00 2001
From: Javier Viguera <javier.viguera@digi.com>
Date: Tue, 5 Nov 2013 11:16:13 +0100
Subject: [PATCH] image_types_digi: make it compatible with python 2.6

Python 2.6 does not have bit_length function:

'int' object has no attribute 'bit_length'

Signed-off-by: Javier Viguera <javier.viguera@digi.com>
---
 meta-digi-arm/classes/image_types_digi.bbclass | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/meta-digi-arm/classes/image_types_digi.bbclass b/meta-digi-arm/classes/image_types_digi.bbclass
index d7758c48d..65f0ee5e4 100644
--- a/meta-digi-arm/classes/image_types_digi.bbclass
+++ b/meta-digi-arm/classes/image_types_digi.bbclass
@@ -7,9 +7,16 @@ def max_leb_count(d):
     _flash_peb = d.getVar('FLASH_PEB', True)
     _flash_psz = d.getVar('FLASH_PSZ', True)
     for i in _flash_peb.split(','):
-        _mlc.append(str(2 ** (int(_flash_psz)/int(i) - 1).bit_length() - 1))
+        _mlc.append(str(next_power_of_2(int(_flash_psz)/int(i)) - 1))
     return ','.join(_mlc)
 
+# Return next power_of_2 bigger than passed argument
+def next_power_of_2(n):
+    i = 1
+    while (n > i):
+        i <<= 1
+    return i
+
 IMAGE_CMD_jffs2() {
 	nimg="$(echo ${FLASH_PEB} | awk -F, '{print NF}')"
 	for i in $(seq 1 ${nimg}); do