x86: Replace the now identical time_32/64.c by time.c
authorThomas Gleixner <tglx@linutronix.de>
Thu, 20 Aug 2009 14:47:19 +0000 (16:47 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Mon, 31 Aug 2009 07:35:46 +0000 (09:35 +0200)
Remove the redundant copy.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/Makefile
arch/x86/kernel/time.c [moved from arch/x86/kernel/time_32.c with 100% similarity]
arch/x86/kernel/time_64.c [deleted file]

index 313ed6f..ccf3db6 100644 (file)
@@ -31,7 +31,7 @@ GCOV_PROFILE_paravirt.o               := n
 
 obj-y                  := process_$(BITS).o signal.o entry_$(BITS).o
 obj-y                  += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
-obj-y                  += time_$(BITS).o ioport.o ldt.o dumpstack.o
+obj-y                  += time.o ioport.o ldt.o dumpstack.o
 obj-y                  += setup.o x86_init.o i8259.o irqinit.o
 obj-$(CONFIG_X86_VISWS)        += visws_quirks.o
 obj-$(CONFIG_X86_32)   += probe_roms_32.o
diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c
deleted file mode 100644 (file)
index fda0c34..0000000
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- *  Copyright (c) 1991,1992,1995  Linus Torvalds
- *  Copyright (c) 1994  Alan Modra
- *  Copyright (c) 1995  Markus Kuhn
- *  Copyright (c) 1996  Ingo Molnar
- *  Copyright (c) 1998  Andrea Arcangeli
- *  Copyright (c) 2002,2006  Vojtech Pavlik
- *  Copyright (c) 2003  Andi Kleen
- *
- */
-
-#include <linux/clockchips.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/mca.h>
-
-#include <asm/vsyscall.h>
-#include <asm/x86_init.h>
-#include <asm/i8259.h>
-#include <asm/i8253.h>
-#include <asm/timer.h>
-#include <asm/hpet.h>
-#include <asm/time.h>
-
-#if defined(CONFIG_X86_32) && defined(CONFIG_X86_IO_APIC)
-int timer_ack;
-#endif
-
-#ifdef CONFIG_X86_64
-volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES;
-#endif
-
-unsigned long profile_pc(struct pt_regs *regs)
-{
-       unsigned long pc = instruction_pointer(regs);
-
-       if (!user_mode_vm(regs) && in_lock_functions(pc)) {
-#ifdef CONFIG_FRAME_POINTER
-               return *(unsigned long *)(regs->bp + sizeof(long));
-#else
-               unsigned long *sp = (unsigned long *)regs->sp;
-               /*
-                * Return address is either directly at stack pointer
-                * or above a saved flags. Eflags has bits 22-31 zero,
-                * kernel addresses don't.
-                */
-               if (sp[0] >> 22)
-                       return sp[0];
-               if (sp[1] >> 22)
-                       return sp[1];
-#endif
-       }
-       return pc;
-}
-EXPORT_SYMBOL(profile_pc);
-
-/*
- * Default timer interrupt handler for PIT/HPET
- */
-static irqreturn_t timer_interrupt(int irq, void *dev_id)
-{
-       /* Keep nmi watchdog up to date */
-       inc_irq_stat(irq0_irqs);
-
-       /* Optimized out for !IO_APIC and x86_64 */
-       if (timer_ack) {
-               /*
-                * Subtle, when I/O APICs are used we have to ack timer IRQ
-                * manually to deassert NMI lines for the watchdog if run
-                * on an 82489DX-based system.
-                */
-               spin_lock(&i8259A_lock);
-               outb(0x0c, PIC_MASTER_OCW3);
-               /* Ack the IRQ; AEOI will end it automatically. */
-               inb(PIC_MASTER_POLL);
-               spin_unlock(&i8259A_lock);
-       }
-
-       global_clock_event->event_handler(global_clock_event);
-
-       /* MCA bus quirk: Acknowledge irq0 by setting bit 7 in port 0x61 */
-       if (MCA_bus)
-               outb_p(inb_p(0x61)| 0x80, 0x61);
-
-       return IRQ_HANDLED;
-}
-
-static struct irqaction irq0  = {
-       .handler = timer_interrupt,
-       .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
-       .name = "timer"
-};
-
-void __init setup_default_timer_irq(void)
-{
-       irq0.mask = cpumask_of_cpu(0);
-       setup_irq(0, &irq0);
-}
-
-/* Default timer init function */
-void __init hpet_time_init(void)
-{
-       if (!hpet_enable())
-               setup_pit_timer();
-       setup_default_timer_irq();
-}
-
-static void x86_late_time_init(void)
-{
-       x86_init.timers.timer_init();
-}
-
-/*
- * Initialize TSC and delay the periodic timer init to
- * late x86_late_time_init() so ioremap works.
- */
-void __init time_init(void)
-{
-       tsc_init();
-       late_time_init = x86_late_time_init;
-}