[uClinux-dev] [PATCH] unaligned.h fix for M68000 core

Luis Alves ljalvs at gmail.com
Sun May 13 12:39:42 EDT 2012

Hi all,

This patch fixes unaligned memory access for the 68000 core based cpu's.

Some time ago, my cpu (68000) was raising address/bus error's when mounting cifs shares (didn't bother to debug it at the time).
After developing the MMC/SD card driver I was having the same issue when mounting the vfat fs.

I've traced the issue down to the 'unaligned.h' file. (I guess nobody has ever used unaligned.h back in the 68328 'era'.

Luis Alves

Signed-off-by: Luis Alves <ljalvs at gmail.com>
 arch/m68k/include/asm/unaligned.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/m68k/include/asm/unaligned.h b/arch/m68k/include/asm/unaligned.h
index 019caa7..f4043ae 100644
--- a/arch/m68k/include/asm/unaligned.h
+++ b/arch/m68k/include/asm/unaligned.h
@@ -2,7 +2,7 @@
 #define _ASM_M68K_UNALIGNED_H
+#if defined(CONFIG_COLDFIRE) || defined(CONFIG_M68000)
 #include <linux/unaligned/be_struct.h>
 #include <linux/unaligned/le_byteshift.h>
 #include <linux/unaligned/generic.h>

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