4 files changed, 0 insertions, 154 deletions
diff --git a/arch/metag/oprofile/Makefile b/arch/metag/oprofile/Makefile
deleted file mode 100644
index dc92a4a..0000000
--- a/arch/metag/oprofile/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_OPROFILE)	+= oprofile.o
-
-oprofile-core-y	+= buffer_sync.o
-oprofile-core-y	+= cpu_buffer.o
-oprofile-core-y	+= event_buffer.o
-oprofile-core-y	+= oprof.o
-oprofile-core-y	+= oprofile_files.o
-oprofile-core-y	+= oprofile_stats.o
-oprofile-core-y	+= oprofilefs.o
-oprofile-core-y	+= timer_int.o
-oprofile-core-$(CONFIG_HW_PERF_EVENTS)	+= oprofile_perf.o
-
-oprofile-y	+= backtrace.o
-oprofile-y	+= common.o
-oprofile-y	+= $(addprefix ../../../drivers/oprofile/,$(oprofile-core-y))
-
-ccflags-y	+= -Werror
diff --git a/arch/metag/oprofile/backtrace.c b/arch/metag/oprofile/backtrace.c
deleted file mode 100644
index 7cc3f37..0000000
--- a/arch/metag/oprofile/backtrace.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2010-2013 Imagination Technologies Ltd.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/oprofile.h>
-#include <linux/uaccess.h>
-#include <asm/processor.h>
-#include <asm/stacktrace.h>
-
-#include "backtrace.h"
-
-static void user_backtrace_fp(unsigned long __user *fp, unsigned int depth)
-{
-	while (depth-- && access_ok(VERIFY_READ, fp, 8)) {
-		unsigned long addr;
-		unsigned long __user *fpnew;
-		if (__copy_from_user_inatomic(&addr, fp + 1, sizeof(addr)))
-			break;
-		addr -= 4;
-
-		oprofile_add_trace(addr);
-
-		/* stack grows up, so frame pointers must decrease */
-		if (__copy_from_user_inatomic(&fpnew, fp + 0, sizeof(fpnew)))
-			break;
-		if (fpnew >= fp)
-			break;
-		fp = fpnew;
-	}
-}
-
-static int kernel_backtrace_frame(struct stackframe *frame, void *data)
-{
-	unsigned int *depth = data;
-
-	oprofile_add_trace(frame->pc);
-
-	/* decrement depth and stop if we reach 0 */
-	if ((*depth)-- == 0)
-		return 1;
-
-	/* otherwise onto the next frame */
-	return 0;
-}
-
-void metag_backtrace(struct pt_regs * const regs, unsigned int depth)
-{
-	if (user_mode(regs)) {
-		unsigned long *fp = (unsigned long *)regs->ctx.AX[1].U0;
-		user_backtrace_fp((unsigned long __user __force *)fp, depth);
-	} else {
-		struct stackframe frame;
-		frame.fp = regs->ctx.AX[1].U0;		/* A0FrP */
-		frame.sp = user_stack_pointer(regs);	/* A0StP */
-		frame.lr = 0;				/* from stack */
-		frame.pc = regs->ctx.CurrPC;		/* PC */
-		walk_stackframe(&frame, &kernel_backtrace_frame, &depth);
-	}
-}
diff --git a/arch/metag/oprofile/backtrace.h b/arch/metag/oprofile/backtrace.h
deleted file mode 100644
index 60adb86..0000000
--- a/arch/metag/oprofile/backtrace.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _METAG_OPROFILE_BACKTRACE_H
-#define _METAG_OPROFILE_BACKTRACE_H
-
-void metag_backtrace(struct pt_regs * const regs, unsigned int depth);
-
-#endif
diff --git a/arch/metag/oprofile/common.c b/arch/metag/oprofile/common.c
deleted file mode 100644
index ba26152..0000000
--- a/arch/metag/oprofile/common.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * arch/metag/oprofile/common.c
- *
- * Copyright (C) 2013 Imagination Technologies Ltd.
- *
- * Based on arch/sh/oprofile/common.c:
- *
- * Copyright (C) 2003 - 2010  Paul Mundt
- *
- * Based on arch/mips/oprofile/common.c:
- *
- *	Copyright (C) 2004, 2005 Ralf Baechle
- *	Copyright (C) 2005 MIPS Technologies, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/oprofile.h>
-#include <linux/perf_event.h>
-#include <linux/slab.h>
-
-#include "backtrace.h"
-
-#ifdef CONFIG_HW_PERF_EVENTS
-/*
- * This will need to be reworked when multiple PMUs are supported.
- */
-static char *metag_pmu_op_name;
-
-char *op_name_from_perf_id(void)
-{
-	return metag_pmu_op_name;
-}
-
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
-	ops->backtrace = metag_backtrace;
-
-	if (perf_num_counters() == 0)
-		return -ENODEV;
-
-	metag_pmu_op_name = kasprintf(GFP_KERNEL, "metag/%s",
-				      perf_pmu_name());
-	if (unlikely(!metag_pmu_op_name))
-		return -ENOMEM;
-
-	return oprofile_perf_init(ops);
-}
-
-void oprofile_arch_exit(void)
-{
-	oprofile_perf_exit();
-	kfree(metag_pmu_op_name);
-}
-#else
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
-	ops->backtrace = metag_backtrace;
-	/* fall back to timer interrupt PC sampling */
-	return -ENODEV;
-}
-void oprofile_arch_exit(void) {}
-#endif /* CONFIG_HW_PERF_EVENTS */