include/asm-sh/spinlock_types.h

   1 #ifndef __ASM_SH_SPINLOCK_TYPES_H
   2 #define __ASM_SH_SPINLOCK_TYPES_H
   3
   4 #ifndef __LINUX_SPINLOCK_TYPES_H
   5 # error "please don't include this file directly"
   6 #endif
   7
   8 typedef struct {
   9         volatile unsigned long lock;
  10 } raw_spinlock_t;
  11
  12 #define __RAW_SPIN_LOCK_UNLOCKED        { 1 }
  13
  14 #include <asm/atomic.h>
  15
  16 typedef struct {
  17         raw_spinlock_t lock;
  18         atomic_t counter;
  19 } raw_rwlock_t;
  20
  21 #define RW_LOCK_BIAS                    0x01000000
  22 #define __RAW_RW_LOCK_UNLOCKED          { { 0 }, { RW_LOCK_BIAS } }
  23
  24 #endif