1 files changed, 0 insertions, 125 deletions
diff --git a/arch/mn10300/kernel/time.c b/arch/mn10300/kernel/time.c
deleted file mode 100644
index 06b83b17c5f1..000000000000
--- a/arch/mn10300/kernel/time.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/* MN10300 Low level time management
- *
- * Copyright (C) 2007-2008 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- * - Derived from arch/i386/kernel/time.c
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/sched.h>
-#include <linux/sched/clock.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/profile.h>
-#include <linux/cnt32_to_63.h>
-#include <linux/clocksource.h>
-#include <linux/clockchips.h>
-#include <asm/irq.h>
-#include <asm/div64.h>
-#include <asm/processor.h>
-#include <asm/intctl-regs.h>
-#include <asm/rtc.h>
-#include "internal.h"
-
-static unsigned long mn10300_last_tsc;	/* time-stamp counter at last time
-					 * interrupt occurred */
-
-static unsigned long sched_clock_multiplier;
-
-/*
- * scheduler clock - returns current time in nanosec units.
- */
-unsigned long long sched_clock(void)
-{
-	union {
-		unsigned long long ll;
-		unsigned l[2];
-	} tsc64, result;
-	unsigned long tmp;
-	unsigned product[3]; /* 96-bit intermediate value */
-
-	/* cnt32_to_63() is not safe with preemption */
-	preempt_disable();
-
-	/* expand the tsc to 64-bits.
-	 * - sched_clock() must be called once a minute or better or the
-	 *   following will go horribly wrong - see cnt32_to_63()
-	 */
-	tsc64.ll = cnt32_to_63(get_cycles()) & 0x7fffffffffffffffULL;
-
-	preempt_enable();
-
-	/* scale the 64-bit TSC value to a nanosecond value via a 96-bit
-	 * intermediate
-	 */
-	asm("mulu	%2,%0,%3,%0	\n"	/* LSW * mult ->  0:%3:%0 */
-	    "mulu	%2,%1,%2,%1	\n"	/* MSW * mult -> %2:%1:0 */
-	    "add	%3,%1		\n"
-	    "addc	0,%2		\n"	/* result in %2:%1:%0 */
-	    : "=r"(product[0]), "=r"(product[1]), "=r"(product[2]), "=r"(tmp)
-	    :  "0"(tsc64.l[0]),  "1"(tsc64.l[1]),  "2"(sched_clock_multiplier)
-	    : "cc");
-
-	result.l[0] = product[1] << 16 | product[0] >> 16;
-	result.l[1] = product[2] << 16 | product[1] >> 16;
-
-	return result.ll;
-}
-
-/*
- * initialise the scheduler clock
- */
-static void __init mn10300_sched_clock_init(void)
-{
-	sched_clock_multiplier =
-		__muldiv64u(NSEC_PER_SEC, 1 << 16, MN10300_TSCCLK);
-}
-
-/**
- * local_timer_interrupt - Local timer interrupt handler
- *
- * Handle local timer interrupts for this CPU.  They may have been propagated
- * to this CPU from the CPU that actually gets them by way of an IPI.
- */
-irqreturn_t local_timer_interrupt(void)
-{
-	profile_tick(CPU_PROFILING);
-	update_process_times(user_mode(get_irq_regs()));
-	return IRQ_HANDLED;
-}
-
-/*
- * initialise the various timers used by the main part of the kernel
- */
-void __init time_init(void)
-{
-	/* we need the prescalar running to be able to use IOCLK/8
-	 * - IOCLK runs at 1/4 (ST5 open) or 1/8 (ST5 closed) internal CPU clock
-	 * - IOCLK runs at Fosc rate (crystal speed)
-	 */
-	TMPSCNT |= TMPSCNT_ENABLE;
-
-	init_clocksource();
-
-	printk(KERN_INFO
-	       "timestamp counter I/O clock running at %lu.%02lu"
-	       " (calibrated against RTC)\n",
-	       MN10300_TSCCLK / 1000000, (MN10300_TSCCLK / 10000) % 100);
-
-	mn10300_last_tsc = read_timestamp_counter();
-
-	init_clockevents();
-
-#ifdef CONFIG_MN10300_WD_TIMER
-	/* start the watchdog timer */
-	watchdog_go();
-#endif
-
-	mn10300_sched_clock_init();
-}