Initial import

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 000000000..9b2528e61
--- /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