diff options
Diffstat (limited to 'include/asm-generic/qrwlock_types.h')
| -rw-r--r-- | include/asm-generic/qrwlock_types.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/asm-generic/qrwlock_types.h b/include/asm-generic/qrwlock_types.h index d93573eff162..137ecdd16daa 100644 --- a/include/asm-generic/qrwlock_types.h +++ b/include/asm-generic/qrwlock_types.h @@ -10,12 +10,23 @@ */ typedef struct qrwlock { - atomic_t cnts; + union { + atomic_t cnts; + struct { +#ifdef __LITTLE_ENDIAN + u8 wlocked; /* Locked for write? */ + u8 __lstate[3]; +#else + u8 __lstate[3]; + u8 wlocked; /* Locked for write? */ +#endif + }; + }; arch_spinlock_t wait_lock; } arch_rwlock_t; #define __ARCH_RW_LOCK_UNLOCKED { \ - .cnts = ATOMIC_INIT(0), \ + { .cnts = ATOMIC_INIT(0), }, \ .wait_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ } |