1 files changed, 0 insertions, 162 deletions
diff --git a/arch/s390/oprofile/hwsampler_files.c b/arch/s390/oprofile/hwsampler_files.c
deleted file mode 100644
index 2e1da2449ba9..000000000000
--- a/arch/s390/oprofile/hwsampler_files.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/**
- * arch/s390/oprofile/hwsampler_files.c
- *
- * Copyright IBM Corp. 2010
- * Author: Mahesh Salgaonkar (mahesh@linux.vnet.ibm.com)
- */
-#include <linux/oprofile.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-
-#include "../../../drivers/oprofile/oprof.h"
-#include "hwsampler.h"
-
-#define DEFAULT_INTERVAL	4096
-
-#define DEFAULT_SDBT_BLOCKS	1
-#define DEFAULT_SDB_BLOCKS	511
-
-static unsigned long oprofile_hw_interval = DEFAULT_INTERVAL;
-static unsigned long oprofile_min_interval;
-static unsigned long oprofile_max_interval;
-
-static unsigned long oprofile_sdbt_blocks = DEFAULT_SDBT_BLOCKS;
-static unsigned long oprofile_sdb_blocks = DEFAULT_SDB_BLOCKS;
-
-static int hwsampler_file;
-static int hwsampler_running;	/* start_mutex must be held to change */
-
-static struct oprofile_operations timer_ops;
-
-static int oprofile_hwsampler_start(void)
-{
-	int retval;
-
-	hwsampler_running = hwsampler_file;
-
-	if (!hwsampler_running)
-		return timer_ops.start();
-
-	retval = hwsampler_allocate(oprofile_sdbt_blocks, oprofile_sdb_blocks);
-	if (retval)
-		return retval;
-
-	retval = hwsampler_start_all(oprofile_hw_interval);
-	if (retval)
-		hwsampler_deallocate();
-
-	return retval;
-}
-
-static void oprofile_hwsampler_stop(void)
-{
-	if (!hwsampler_running) {
-		timer_ops.stop();
-		return;
-	}
-
-	hwsampler_stop_all();
-	hwsampler_deallocate();
-	return;
-}
-
-static ssize_t hwsampler_read(struct file *file, char __user *buf,
-		size_t count, loff_t *offset)
-{
-	return oprofilefs_ulong_to_user(hwsampler_file, buf, count, offset);
-}
-
-static ssize_t hwsampler_write(struct file *file, char const __user *buf,
-		size_t count, loff_t *offset)
-{
-	unsigned long val;
-	int retval;
-
-	if (*offset)
-		return -EINVAL;
-
-	retval = oprofilefs_ulong_from_user(&val, buf, count);
-	if (retval)
-		return retval;
-
-	if (oprofile_started)
-		/*
-		 * save to do without locking as we set
-		 * hwsampler_running in start() when start_mutex is
-		 * held
-		 */
-		return -EBUSY;
-
-	hwsampler_file = val;
-
-	return count;
-}
-
-static const struct file_operations hwsampler_fops = {
-	.read		= hwsampler_read,
-	.write		= hwsampler_write,
-};
-
-static int oprofile_create_hwsampling_files(struct super_block *sb,
-						struct dentry *root)
-{
-	struct dentry *hw_dir;
-
-	/* reinitialize default values */
-	hwsampler_file = 1;
-
-	hw_dir = oprofilefs_mkdir(sb, root, "hwsampling");
-	if (!hw_dir)
-		return -EINVAL;
-
-	oprofilefs_create_file(sb, hw_dir, "hwsampler", &hwsampler_fops);
-	oprofilefs_create_ulong(sb, hw_dir, "hw_interval",
-				&oprofile_hw_interval);
-	oprofilefs_create_ro_ulong(sb, hw_dir, "hw_min_interval",
-				&oprofile_min_interval);
-	oprofilefs_create_ro_ulong(sb, hw_dir, "hw_max_interval",
-				&oprofile_max_interval);
-	oprofilefs_create_ulong(sb, hw_dir, "hw_sdbt_blocks",
-				&oprofile_sdbt_blocks);
-
-	return 0;
-}
-
-int oprofile_hwsampler_init(struct oprofile_operations* ops)
-{
-	if (hwsampler_setup())
-		return -ENODEV;
-
-	/*
-	 * create hwsampler files only if hwsampler_setup() succeeds.
-	 */
-	oprofile_min_interval = hwsampler_query_min_interval();
-	if (oprofile_min_interval < 0) {
-		oprofile_min_interval = 0;
-		return -ENODEV;
-	}
-	oprofile_max_interval = hwsampler_query_max_interval();
-	if (oprofile_max_interval < 0) {
-		oprofile_max_interval = 0;
-		return -ENODEV;
-	}
-
-	if (oprofile_timer_init(ops))
-		return -ENODEV;
-
-	printk(KERN_INFO "oprofile: using hardware sampling\n");
-
-	memcpy(&timer_ops, ops, sizeof(timer_ops));
-
-	ops->start = oprofile_hwsampler_start;
-	ops->stop = oprofile_hwsampler_stop;
-	ops->create_files = oprofile_create_hwsampling_files;
-
-	return 0;
-}
-
-void oprofile_hwsampler_exit(void)
-{
-	oprofile_timer_exit();
-	hwsampler_shutdown();
-}