mtd: tests: rename sources in order to link a helper object

Each mtd test module have a single source whose name is the same as
the module name.  In order to link a single object including helper
functions to every test module, this rename these sources to the
different names.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Vikram Narayanan <vikram186@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 0 insertions, 556 deletions

diff --git a/drivers/mtd/tests/mtd_speedtest.c b/drivers/mtd/tests/mtd_speedtest.c
deleted file mode 100644
index 20b63d1..0000000
--- a/drivers/mtd/tests/mtd_speedtest.c
+++ /dev/null
@@ -1,556 +0,0 @@
-/*
- * Copyright (C) 2007 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; see the file COPYING. If not, write to the Free Software
- * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * Test read and write speed of a MTD device.
- *
- * Author: Adrian Hunter <adrian.hunter@nokia.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/err.h>
-#include <linux/mtd/mtd.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <linux/random.h>
-
-static int dev = -EINVAL;
-module_param(dev, int, S_IRUGO);
-MODULE_PARM_DESC(dev, "MTD device number to use");
-
-static int count;
-module_param(count, int, S_IRUGO);
-MODULE_PARM_DESC(count, "Maximum number of eraseblocks to use "
-			"(0 means use all)");
-
-static struct mtd_info *mtd;
-static unsigned char *iobuf;
-static unsigned char *bbt;
-
-static int pgsize;
-static int ebcnt;
-static int pgcnt;
-static int goodebcnt;
-static struct timeval start, finish;
-
-
-static int erase_eraseblock(int ebnum)
-{
-	int err;
-	struct erase_info ei;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	memset(&ei, 0, sizeof(struct erase_info));
-	ei.mtd  = mtd;
-	ei.addr = addr;
-	ei.len  = mtd->erasesize;
-
-	err = mtd_erase(mtd, &ei);
-	if (err) {
-		pr_err("error %d while erasing EB %d\n", err, ebnum);
-		return err;
-	}
-
-	if (ei.state == MTD_ERASE_FAILED) {
-		pr_err("some erase error occurred at EB %d\n",
-		       ebnum);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static int multiblock_erase(int ebnum, int blocks)
-{
-	int err;
-	struct erase_info ei;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	memset(&ei, 0, sizeof(struct erase_info));
-	ei.mtd  = mtd;
-	ei.addr = addr;
-	ei.len  = mtd->erasesize * blocks;
-
-	err = mtd_erase(mtd, &ei);
-	if (err) {
-		pr_err("error %d while erasing EB %d, blocks %d\n",
-		       err, ebnum, blocks);
-		return err;
-	}
-
-	if (ei.state == MTD_ERASE_FAILED) {
-		pr_err("some erase error occurred at EB %d,"
-		       "blocks %d\n", ebnum, blocks);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static int erase_whole_device(void)
-{
-	int err;
-	unsigned int i;
-
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = erase_eraseblock(i);
-		if (err)
-			return err;
-		cond_resched();
-	}
-	return 0;
-}
-
-static int write_eraseblock(int ebnum)
-{
-	size_t written;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	err = mtd_write(mtd, addr, mtd->erasesize, &written, iobuf);
-	if (err || written != mtd->erasesize) {
-		pr_err("error: write failed at %#llx\n", addr);
-		if (!err)
-			err = -EINVAL;
-	}
-
-	return err;
-}
-
-static int write_eraseblock_by_page(int ebnum)
-{
-	size_t written;
-	int i, err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-	void *buf = iobuf;
-
-	for (i = 0; i < pgcnt; i++) {
-		err = mtd_write(mtd, addr, pgsize, &written, buf);
-		if (err || written != pgsize) {
-			pr_err("error: write failed at %#llx\n",
-			       addr);
-			if (!err)
-				err = -EINVAL;
-			break;
-		}
-		addr += pgsize;
-		buf += pgsize;
-	}
-
-	return err;
-}
-
-static int write_eraseblock_by_2pages(int ebnum)
-{
-	size_t written, sz = pgsize * 2;
-	int i, n = pgcnt / 2, err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-	void *buf = iobuf;
-
-	for (i = 0; i < n; i++) {
-		err = mtd_write(mtd, addr, sz, &written, buf);
-		if (err || written != sz) {
-			pr_err("error: write failed at %#llx\n",
-			       addr);
-			if (!err)
-				err = -EINVAL;
-			return err;
-		}
-		addr += sz;
-		buf += sz;
-	}
-	if (pgcnt % 2) {
-		err = mtd_write(mtd, addr, pgsize, &written, buf);
-		if (err || written != pgsize) {
-			pr_err("error: write failed at %#llx\n",
-			       addr);
-			if (!err)
-				err = -EINVAL;
-		}
-	}
-
-	return err;
-}
-
-static int read_eraseblock(int ebnum)
-{
-	size_t read;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	err = mtd_read(mtd, addr, mtd->erasesize, &read, iobuf);
-	/* Ignore corrected ECC errors */
-	if (mtd_is_bitflip(err))
-		err = 0;
-	if (err || read != mtd->erasesize) {
-		pr_err("error: read failed at %#llx\n", addr);
-		if (!err)
-			err = -EINVAL;
-	}
-
-	return err;
-}
-
-static int read_eraseblock_by_page(int ebnum)
-{
-	size_t read;
-	int i, err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-	void *buf = iobuf;
-
-	for (i = 0; i < pgcnt; i++) {
-		err = mtd_read(mtd, addr, pgsize, &read, buf);
-		/* Ignore corrected ECC errors */
-		if (mtd_is_bitflip(err))
-			err = 0;
-		if (err || read != pgsize) {
-			pr_err("error: read failed at %#llx\n",
-			       addr);
-			if (!err)
-				err = -EINVAL;
-			break;
-		}
-		addr += pgsize;
-		buf += pgsize;
-	}
-
-	return err;
-}
-
-static int read_eraseblock_by_2pages(int ebnum)
-{
-	size_t read, sz = pgsize * 2;
-	int i, n = pgcnt / 2, err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-	void *buf = iobuf;
-
-	for (i = 0; i < n; i++) {
-		err = mtd_read(mtd, addr, sz, &read, buf);
-		/* Ignore corrected ECC errors */
-		if (mtd_is_bitflip(err))
-			err = 0;
-		if (err || read != sz) {
-			pr_err("error: read failed at %#llx\n",
-			       addr);
-			if (!err)
-				err = -EINVAL;
-			return err;
-		}
-		addr += sz;
-		buf += sz;
-	}
-	if (pgcnt % 2) {
-		err = mtd_read(mtd, addr, pgsize, &read, buf);
-		/* Ignore corrected ECC errors */
-		if (mtd_is_bitflip(err))
-			err = 0;
-		if (err || read != pgsize) {
-			pr_err("error: read failed at %#llx\n",
-			       addr);
-			if (!err)
-				err = -EINVAL;
-		}
-	}
-
-	return err;
-}
-
-static int is_block_bad(int ebnum)
-{
-	loff_t addr = ebnum * mtd->erasesize;
-	int ret;
-
-	ret = mtd_block_isbad(mtd, addr);
-	if (ret)
-		pr_info("block %d is bad\n", ebnum);
-	return ret;
-}
-
-static inline void start_timing(void)
-{
-	do_gettimeofday(&start);
-}
-
-static inline void stop_timing(void)
-{
-	do_gettimeofday(&finish);
-}
-
-static long calc_speed(void)
-{
-	uint64_t k;
-	long ms;
-
-	ms = (finish.tv_sec - start.tv_sec) * 1000 +
-	     (finish.tv_usec - start.tv_usec) / 1000;
-	if (ms == 0)
-		return 0;
-	k = goodebcnt * (mtd->erasesize / 1024) * 1000;
-	do_div(k, ms);
-	return k;
-}
-
-static int scan_for_bad_eraseblocks(void)
-{
-	int i, bad = 0;
-
-	bbt = kzalloc(ebcnt, GFP_KERNEL);
-	if (!bbt)
-		return -ENOMEM;
-
-	if (!mtd_can_have_bb(mtd))
-		goto out;
-
-	pr_info("scanning for bad eraseblocks\n");
-	for (i = 0; i < ebcnt; ++i) {
-		bbt[i] = is_block_bad(i) ? 1 : 0;
-		if (bbt[i])
-			bad += 1;
-		cond_resched();
-	}
-	pr_info("scanned %d eraseblocks, %d are bad\n", i, bad);
-out:
-	goodebcnt = ebcnt - bad;
-	return 0;
-}
-
-static int __init mtd_speedtest_init(void)
-{
-	int err, i, blocks, j, k;
-	long speed;
-	uint64_t tmp;
-
-	printk(KERN_INFO "\n");
-	printk(KERN_INFO "=================================================\n");
-
-	if (dev < 0) {
-		pr_info("Please specify a valid mtd-device via module parameter\n");
-		pr_crit("CAREFUL: This test wipes all data on the specified MTD device!\n");
-		return -EINVAL;
-	}
-
-	if (count)
-		pr_info("MTD device: %d    count: %d\n", dev, count);
-	else
-		pr_info("MTD device: %d\n", dev);
-
-	mtd = get_mtd_device(NULL, dev);
-	if (IS_ERR(mtd)) {
-		err = PTR_ERR(mtd);
-		pr_err("error: cannot get MTD device\n");
-		return err;
-	}
-
-	if (mtd->writesize == 1) {
-		pr_info("not NAND flash, assume page size is 512 "
-		       "bytes.\n");
-		pgsize = 512;
-	} else
-		pgsize = mtd->writesize;
-
-	tmp = mtd->size;
-	do_div(tmp, mtd->erasesize);
-	ebcnt = tmp;
-	pgcnt = mtd->erasesize / pgsize;
-
-	pr_info("MTD device size %llu, eraseblock size %u, "
-	       "page size %u, count of eraseblocks %u, pages per "
-	       "eraseblock %u, OOB size %u\n",
-	       (unsigned long long)mtd->size, mtd->erasesize,
-	       pgsize, ebcnt, pgcnt, mtd->oobsize);
-
-	if (count > 0 && count < ebcnt)
-		ebcnt = count;
-
-	err = -ENOMEM;
-	iobuf = kmalloc(mtd->erasesize, GFP_KERNEL);
-	if (!iobuf)
-		goto out;
-
-	prandom_bytes(iobuf, mtd->erasesize);
-
-	err = scan_for_bad_eraseblocks();
-	if (err)
-		goto out;
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	/* Write all eraseblocks, 1 eraseblock at a time */
-	pr_info("testing eraseblock write speed\n");
-	start_timing();
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = write_eraseblock(i);
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	stop_timing();
-	speed = calc_speed();
-	pr_info("eraseblock write speed is %ld KiB/s\n", speed);
-
-	/* Read all eraseblocks, 1 eraseblock at a time */
-	pr_info("testing eraseblock read speed\n");
-	start_timing();
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = read_eraseblock(i);
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	stop_timing();
-	speed = calc_speed();
-	pr_info("eraseblock read speed is %ld KiB/s\n", speed);
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	/* Write all eraseblocks, 1 page at a time */
-	pr_info("testing page write speed\n");
-	start_timing();
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = write_eraseblock_by_page(i);
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	stop_timing();
-	speed = calc_speed();
-	pr_info("page write speed is %ld KiB/s\n", speed);
-
-	/* Read all eraseblocks, 1 page at a time */
-	pr_info("testing page read speed\n");
-	start_timing();
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = read_eraseblock_by_page(i);
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	stop_timing();
-	speed = calc_speed();
-	pr_info("page read speed is %ld KiB/s\n", speed);
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	/* Write all eraseblocks, 2 pages at a time */
-	pr_info("testing 2 page write speed\n");
-	start_timing();
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = write_eraseblock_by_2pages(i);
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	stop_timing();
-	speed = calc_speed();
-	pr_info("2 page write speed is %ld KiB/s\n", speed);
-
-	/* Read all eraseblocks, 2 pages at a time */
-	pr_info("testing 2 page read speed\n");
-	start_timing();
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = read_eraseblock_by_2pages(i);
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	stop_timing();
-	speed = calc_speed();
-	pr_info("2 page read speed is %ld KiB/s\n", speed);
-
-	/* Erase all eraseblocks */
-	pr_info("Testing erase speed\n");
-	start_timing();
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = erase_eraseblock(i);
-		if (err)
-			goto out;
-		cond_resched();
-	}
-	stop_timing();
-	speed = calc_speed();
-	pr_info("erase speed is %ld KiB/s\n", speed);
-
-	/* Multi-block erase all eraseblocks */
-	for (k = 1; k < 7; k++) {
-		blocks = 1 << k;
-		pr_info("Testing %dx multi-block erase speed\n",
-		       blocks);
-		start_timing();
-		for (i = 0; i < ebcnt; ) {
-			for (j = 0; j < blocks && (i + j) < ebcnt; j++)
-				if (bbt[i + j])
-					break;
-			if (j < 1) {
-				i++;
-				continue;
-			}
-			err = multiblock_erase(i, j);
-			if (err)
-				goto out;
-			cond_resched();
-			i += j;
-		}
-		stop_timing();
-		speed = calc_speed();
-		pr_info("%dx multi-block erase speed is %ld KiB/s\n",
-		       blocks, speed);
-	}
-	pr_info("finished\n");
-out:
-	kfree(iobuf);
-	kfree(bbt);
-	put_mtd_device(mtd);
-	if (err)
-		pr_info("error %d occurred\n", err);
-	printk(KERN_INFO "=================================================\n");
-	return err;
-}
-module_init(mtd_speedtest_init);
-
-static void __exit mtd_speedtest_exit(void)
-{
-	return;
-}
-module_exit(mtd_speedtest_exit);
-
-MODULE_DESCRIPTION("Speed test module");
-MODULE_AUTHOR("Adrian Hunter");
-MODULE_LICENSE("GPL");