arch/parisc/include/asm/spinlock_types.h

   1 #ifndef __ASM_SPINLOCK_TYPES_H
   2 #define __ASM_SPINLOCK_TYPES_H
   3
   4 typedef struct {
   5 #ifdef CONFIG_PA20
   6         volatile unsigned int slock;
   7 # define __ARCH_SPIN_LOCK_UNLOCKED { 1 }
   8 #else
   9         volatile unsigned int lock[4];
  10 # define __ARCH_SPIN_LOCK_UNLOCKED      { { 1, 1, 1, 1 } }
  11 #endif
  12 } arch_spinlock_t;
  13
  14 typedef struct {
  15         arch_spinlock_t lock;
  16         volatile int counter;
  17 } arch_rwlock_t;
  18
  19 #define __ARCH_RW_LOCK_UNLOCKED         { __ARCH_SPIN_LOCK_UNLOCKED, 0 }
  20
  21 #endif