diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/mips/include/asm/spinlock_types.h | |
Diffstat (limited to 'arch/mips/include/asm/spinlock_types.h')
| -rw-r--r-- | arch/mips/include/asm/spinlock_types.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/mips/include/asm/spinlock_types.h b/arch/mips/include/asm/spinlock_types.h new file mode 100644 index 00000000..9b2528e6 --- /dev/null +++ b/arch/mips/include/asm/spinlock_types.h @@ -0,0 +1,37 @@ +#ifndef _ASM_SPINLOCK_TYPES_H +#define _ASM_SPINLOCK_TYPES_H + +#ifndef __LINUX_SPINLOCK_TYPES_H +# error "please don't include this file directly" +#endif + +#include <linux/types.h> + +#include <asm/byteorder.h> + +typedef union { + /* + * bits 0..15 : serving_now + * bits 16..31 : ticket + */ + u32 lock; + struct { +#ifdef __BIG_ENDIAN + u16 ticket; + u16 serving_now; +#else + u16 serving_now; + u16 ticket; +#endif + } h; +} arch_spinlock_t; + +#define __ARCH_SPIN_LOCK_UNLOCKED { .lock = 0 } + +typedef struct { + volatile unsigned int lock; +} arch_rwlock_t; + +#define __ARCH_RW_LOCK_UNLOCKED { 0 } + +#endif |
