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-rw-r--r--arch/mips/include/asm/i8253.h24
-rw-r--r--arch/mips/include/asm/stacktrace.h4
2 files changed, 4 insertions, 24 deletions
diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h
deleted file mode 100644
index 9ad011366f73..000000000000
--- a/arch/mips/include/asm/i8253.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Machine specific IO port address definition for generic.
- * Written by Osamu Tomita <tomita@cinet.co.jp>
- */
-#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
-
-#define PIT_LATCH LATCH
-
-extern raw_spinlock_t i8253_lock;
-
-extern void setup_pit_timer(void);
-
-#define inb_pit inb_p
-#define outb_pit outb_p
-
-#endif /* __ASM_I8253_H */
diff --git a/arch/mips/include/asm/stacktrace.h b/arch/mips/include/asm/stacktrace.h
index 0bf82818aa53..780ee2c2a2ac 100644
--- a/arch/mips/include/asm/stacktrace.h
+++ b/arch/mips/include/asm/stacktrace.h
@@ -7,6 +7,10 @@
extern int raw_show_trace;
extern unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
unsigned long pc, unsigned long *ra);
+extern unsigned long unwind_stack_by_address(unsigned long stack_page,
+ unsigned long *sp,
+ unsigned long pc,
+ unsigned long *ra);
#else
#define raw_show_trace 1
static inline unsigned long unwind_stack(struct task_struct *task,