diff options
Diffstat (limited to 'arch/mips/include/asm/spinlock_types.h')
-rw-r--r-- | arch/mips/include/asm/spinlock_types.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/arch/mips/include/asm/spinlock_types.h b/arch/mips/include/asm/spinlock_types.h index ee197c2f9c9..c52f36013a9 100644 --- a/arch/mips/include/asm/spinlock_types.h +++ b/arch/mips/include/asm/spinlock_types.h @@ -5,16 +5,28 @@ # 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; |