[MIPS] time: remove unused mips_timer_state()

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/dec/time.c

@@ -161,7 +161,6 @@ static cycle_t dec_ioasic_hpt_read(void)
 
 void __init plat_time_init(void)
 {
-	mips_timer_state = dec_timer_state;
 	mips_timer_ack = dec_timer_ack;
 
 	if (!cpu_has_counter && IOASIC)

arch/mips/kernel/time.c

@@ -50,8 +50,6 @@ int update_persistent_clock(struct timespec now)
 	return rtc_mips_set_mmss(now.tv_sec);
 }
 
-int (*mips_timer_state)(void);
-
 int null_perf_irq(void)
 {
 	return 0;

include/asm-mips/time.h

@@ -30,12 +30,6 @@ extern spinlock_t rtc_lock;
 extern int rtc_mips_set_time(unsigned long);
 extern int rtc_mips_set_mmss(unsigned long);
 
-/*
- * Timer interrupt functions.
- * mips_timer_state is needed for high precision timer calibration.
- */
-extern int (*mips_timer_state)(void);
-
 /*
  * board specific routines required by time_init().
  */
@@ -43,8 +37,7 @@ extern void plat_time_init(void);
 
 /*
  * mips_hpt_frequency - must be set if you intend to use an R4k-compatible
- * counter as a timer interrupt source; otherwise it can be set up
+ * counter as a timer interrupt source.
- * automagically with an aid of mips_timer_state.
  */
 extern unsigned int mips_hpt_frequency;