Staging: comedi: s526: Take account of arch's byte order.

Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c
index dbde118f2a16..9a8ebbe96999 100644
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -43,6 +43,7 @@ comedi_config /dev/comedi0 s526 0x2C0,0x3
 
 #include "../comedidev.h"
 #include <linux/ioport.h>
+#include <asm/byteorder.h>
 
 #define S526_SIZE 64
 
@@ -113,6 +114,7 @@ static const int s526_ports[] = {
 };
 
 struct counter_mode_register_t {
+#if defined (__LITTLE_ENDIAN_BITFIELD)
         unsigned short coutSource:1;
         unsigned short coutPolarity:1;
         unsigned short autoLoadResetRcap:3;
@@ -124,6 +126,21 @@ struct counter_mode_register_t {
         unsigned short outputRegLatchCtrl:1;
         unsigned short preloadRegSel:1;
         unsigned short reserved:1;
+ #elif defined(__BIG_ENDIAN_BITFIELD)
+        unsigned short reserved:1;
+        unsigned short preloadRegSel:1;
+        unsigned short outputRegLatchCtrl:1;
+        unsigned short countDirCtrl:1;
+        unsigned short countDir:1;
+        unsigned short clockSource:2;
+        unsigned short ctEnableCtrl:2;
+        unsigned short hwCtEnableSource:2;
+        unsigned short autoLoadResetRcap:3;
+        unsigned short coutPolarity:1;
+        unsigned short coutSource:1;
+#else
+#error Unknown bit field order
+#endif
 };
 
 union cmReg {