# error "please don't include this file directly"
#endif
-typedef struct {
+#include <linux/types.h>
+
+#include <asm/byteorder.h>
+
+typedef union {
/*
- * bits 0..13: serving_now
- * bits 14 : junk data
- * bits 15..28: ticket
+ * bits 0..15 : serving_now
+ * bits 16..31 : ticket
*/
- unsigned int lock;
+ u32 lock;
+ struct {
+#ifdef __BIG_ENDIAN
+ u16 ticket;
+ u16 serving_now;
+#else
+ u16 serving_now;
+ u16 ticket;
+#endif
+ } h;
} arch_spinlock_t;
-#define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
+#define __ARCH_SPIN_LOCK_UNLOCKED { .lock = 0 }
typedef struct {
volatile unsigned int lock;