arch/sparc/include/asm/spinlock_types.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __SPARC_SPINLOCK_TYPES_H
   3 #define __SPARC_SPINLOCK_TYPES_H
   4
   5 #ifdef CONFIG_QUEUED_SPINLOCKS
   6 #include <asm-generic/qspinlock_types.h>
   7 #else
   8
   9 typedef struct {
  10         volatile unsigned char lock;
  11 } arch_spinlock_t;
  12
  13 #define __ARCH_SPIN_LOCK_UNLOCKED       { 0 }
  14 #endif /* CONFIG_QUEUED_SPINLOCKS */
  15
  16 #ifdef CONFIG_QUEUED_RWLOCKS
  17 #include <asm-generic/qrwlock_types.h>
  18 #else
  19 typedef struct {
  20         volatile unsigned int lock;
  21 } arch_rwlock_t;
  22
  23 #define __ARCH_RW_LOCK_UNLOCKED         { 0 }
  24 #endif /* CONFIG_QUEUED_RWLOCKS */
  25 #endif