1 files changed, 0 insertions, 93 deletions
diff --git a/arch/ppc/kernel/perfmon.c b/arch/ppc/kernel/perfmon.c
deleted file mode 100644
index fa1dad96b83..00000000000
--- a/arch/ppc/kernel/perfmon.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* kernel/perfmon.c
- * PPC 32 Performance Monitor Infrastructure
- *
- * Author: Andy Fleming
- * Copyright (c) 2004 Freescale Semiconductor, Inc
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/a.out.h>
-#include <linux/interrupt.h>
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/prctl.h>
-
-#include <asm/pgtable.h>
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/reg.h>
-#include <asm/xmon.h>
-
-/* A lock to regulate grabbing the interrupt */
-DEFINE_SPINLOCK(perfmon_lock);
-
-#if defined (CONFIG_FSL_BOOKE) && !defined (CONFIG_E200)
-static void dummy_perf(struct pt_regs *regs)
-{
-	unsigned int pmgc0 = mfpmr(PMRN_PMGC0);
-
-	pmgc0 &= ~PMGC0_PMIE;
-	mtpmr(PMRN_PMGC0, pmgc0);
-}
-
-#else
-/* Ensure exceptions are disabled */
-
-static void dummy_perf(struct pt_regs *regs)
-{
-	unsigned int mmcr0 = mfspr(SPRN_MMCR0);
-
-	mmcr0 &= ~MMCR0_PMXE;
-	mtspr(SPRN_MMCR0, mmcr0);
-}
-#endif
-
-void (*perf_irq)(struct pt_regs *) = dummy_perf;
-
-/* Grab the interrupt, if it's free.
- * Returns 0 on success, -1 if the interrupt is taken already */
-int request_perfmon_irq(void (*handler)(struct pt_regs *))
-{
-	int err = 0;
-
-	spin_lock(&perfmon_lock);
-
-	if (perf_irq == dummy_perf)
-		perf_irq = handler;
-	else {
-		pr_info("perfmon irq already handled by %p\n", perf_irq);
-		err = -1;
-	}
-
-	spin_unlock(&perfmon_lock);
-
-	return err;
-}
-
-void free_perfmon_irq(void)
-{
-	spin_lock(&perfmon_lock);
-
-	perf_irq = dummy_perf;
-
-	spin_unlock(&perfmon_lock);
-}
-
-EXPORT_SYMBOL(perf_irq);
-EXPORT_SYMBOL(request_perfmon_irq);
-EXPORT_SYMBOL(free_perfmon_irq);