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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/include/asm/spinlock_types.h |
Initial import
Diffstat (limited to 'arch/arm/include/asm/spinlock_types.h')
-rw-r--r-- | arch/arm/include/asm/spinlock_types.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/include/asm/spinlock_types.h b/arch/arm/include/asm/spinlock_types.h new file mode 100644 index 000000000..47663fcb1 --- /dev/null +++ b/arch/arm/include/asm/spinlock_types.h @@ -0,0 +1,33 @@ +#ifndef __ASM_SPINLOCK_TYPES_H +#define __ASM_SPINLOCK_TYPES_H + +#ifndef __LINUX_SPINLOCK_TYPES_H +# error "please don't include this file directly" +#endif + +#define TICKET_SHIFT 16 + +typedef struct { + union { + u32 slock; + struct __raw_tickets { +#ifdef __ARMEB__ + u16 next; + u16 owner; +#else + u16 owner; + u16 next; +#endif + } tickets; + }; +} arch_spinlock_t; + +#define __ARCH_SPIN_LOCK_UNLOCKED { { 0 } } + +typedef struct { + u32 lock; +} arch_rwlock_t; + +#define __ARCH_RW_LOCK_UNLOCKED { 0 } + +#endif |