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-rw-r--r--include/asm-mips/i8253.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-mips/i8253.h b/include/asm-mips/i8253.h
index 778b2f02390..032ca73f181 100644
--- a/include/asm-mips/i8253.h
+++ b/include/asm-mips/i8253.h
@@ -5,11 +5,15 @@
#ifndef __ASM_I8253_H
#define __ASM_I8253_H
+#include <linux/spinlock.h>
+
/* i8253A PIT registers */
#define PIT_MODE 0x43
#define PIT_CH0 0x40
#define PIT_CH2 0x42
+extern spinlock_t i8253_lock;
+
extern void setup_pit_timer(void);
#endif /* __ASM_I8253_H */