From: Jeff Angielski <jeff@theptrgroup.com>
Date: Wed, 17 Mar 2010 19:09:26 +0000 (-0400)
Subject: env: fix endian ordering in crc table
X-Git-Url: http://git.ipfire.org/?p=people%2Fms%2Fu-boot.git;a=commitdiff_plain;h=322ff395c9aec7b87a2211fe4333fdf44377c564

env: fix endian ordering in crc table

The crc table was being built as little endian for big endian
targets.  This would cause fw_printenv to always fail with
"Warning: Bad CRC, using default environment" messages.

Signed-off-by: Jeff Angielski <jeff@theptrgroup.com>
Acked-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
---

diff --git a/lib_generic/crc32.c b/lib_generic/crc32.c
index 468b3979ab..27335a3ed9 100644
--- a/lib_generic/crc32.c
+++ b/lib_generic/crc32.c
@@ -163,7 +163,7 @@ const uint32_t * ZEXPORT get_crc_table()
 #endif
 
 /* ========================================================================= */
-# ifdef __LITTLE_ENDIAN
+# if __BYTE_ORDER == __LITTLE_ENDIAN
 #  define DO_CRC(x) crc = tab[(crc ^ (x)) & 255] ^ (crc >> 8)
 # else
 #  define DO_CRC(x) crc = tab[((crc >> 24) ^ (x)) & 255] ^ (crc << 8)