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, 535 deletions

diff --git a/drivers/mtd/tests/mtd_torturetest.c b/drivers/mtd/tests/mtd_torturetest.c
deleted file mode 100644
index 3a9f6a6a79f9..000000000000
--- a/drivers/mtd/tests/mtd_torturetest.c
+++ /dev/null
@@ -1,535 +0,0 @@
-/*
- * Copyright (C) 2006-2008 Artem Bityutskiy
- * Copyright (C) 2006-2008 Jarkko Lavinen
- * Copyright (C) 2006-2008 Adrian Hunter
- *
- * 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.
- *
- * Authors: Artem Bityutskiy, Jarkko Lavinen, Adria Hunter
- *
- * WARNING: this test program may kill your flash and your device. Do not
- * use it unless you know what you do. Authors are not responsible for any
- * damage caused by this program.
- */
-
-#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>
-
-#define RETRIES 3
-
-static int eb = 8;
-module_param(eb, int, S_IRUGO);
-MODULE_PARM_DESC(eb, "eraseblock number within the selected MTD device");
-
-static int ebcnt = 32;
-module_param(ebcnt, int, S_IRUGO);
-MODULE_PARM_DESC(ebcnt, "number of consecutive eraseblocks to torture");
-
-static int pgcnt;
-module_param(pgcnt, int, S_IRUGO);
-MODULE_PARM_DESC(pgcnt, "number of pages per eraseblock to torture (0 => all)");
-
-static int dev = -EINVAL;
-module_param(dev, int, S_IRUGO);
-MODULE_PARM_DESC(dev, "MTD device number to use");
-
-static int gran = 512;
-module_param(gran, int, S_IRUGO);
-MODULE_PARM_DESC(gran, "how often the status information should be printed");
-
-static int check = 1;
-module_param(check, int, S_IRUGO);
-MODULE_PARM_DESC(check, "if the written data should be checked");
-
-static unsigned int cycles_count;
-module_param(cycles_count, uint, S_IRUGO);
-MODULE_PARM_DESC(cycles_count, "how many erase cycles to do "
-			       "(infinite by default)");
-
-static struct mtd_info *mtd;
-
-/* This buffer contains 0x555555...0xAAAAAA... pattern */
-static unsigned char *patt_5A5;
-/* This buffer contains 0xAAAAAA...0x555555... pattern */
-static unsigned char *patt_A5A;
-/* This buffer contains all 0xFF bytes */
-static unsigned char *patt_FF;
-/* This a temporary buffer is use when checking data */
-static unsigned char *check_buf;
-/* How many erase cycles were done */
-static unsigned int erase_cycles;
-
-static int pgsize;
-static struct timeval start, finish;
-
-static void report_corrupt(unsigned char *read, unsigned char *written);
-
-static inline void start_timing(void)
-{
-	do_gettimeofday(&start);
-}
-
-static inline void stop_timing(void)
-{
-	do_gettimeofday(&finish);
-}
-
-/*
- * Erase eraseblock number @ebnum.
- */
-static inline 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;
-}
-
-/*
- * Check that the contents of eraseblock number @enbum is equivalent to the
- * @buf buffer.
- */
-static inline int check_eraseblock(int ebnum, unsigned char *buf)
-{
-	int err, retries = 0;
-	size_t read;
-	loff_t addr = ebnum * mtd->erasesize;
-	size_t len = mtd->erasesize;
-
-	if (pgcnt) {
-		addr = (ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
-		len = pgcnt * pgsize;
-	}
-
-retry:
-	err = mtd_read(mtd, addr, len, &read, check_buf);
-	if (mtd_is_bitflip(err))
-		pr_err("single bit flip occurred at EB %d "
-		       "MTD reported that it was fixed.\n", ebnum);
-	else if (err) {
-		pr_err("error %d while reading EB %d, "
-		       "read %zd\n", err, ebnum, read);
-		return err;
-	}
-
-	if (read != len) {
-		pr_err("failed to read %zd bytes from EB %d, "
-		       "read only %zd, but no error reported\n",
-		       len, ebnum, read);
-		return -EIO;
-	}
-
-	if (memcmp(buf, check_buf, len)) {
-		pr_err("read wrong data from EB %d\n", ebnum);
-		report_corrupt(check_buf, buf);
-
-		if (retries++ < RETRIES) {
-			/* Try read again */
-			yield();
-			pr_info("re-try reading data from EB %d\n",
-			       ebnum);
-			goto retry;
-		} else {
-			pr_info("retried %d times, still errors, "
-			       "give-up\n", RETRIES);
-			return -EINVAL;
-		}
-	}
-
-	if (retries != 0)
-		pr_info("only attempt number %d was OK (!!!)\n",
-		       retries);
-
-	return 0;
-}
-
-static inline int write_pattern(int ebnum, void *buf)
-{
-	int err;
-	size_t written;
-	loff_t addr = ebnum * mtd->erasesize;
-	size_t len = mtd->erasesize;
-
-	if (pgcnt) {
-		addr = (ebnum + 1) * mtd->erasesize - pgcnt * pgsize;
-		len = pgcnt * pgsize;
-	}
-	err = mtd_write(mtd, addr, len, &written, buf);
-	if (err) {
-		pr_err("error %d while writing EB %d, written %zd"
-		      " bytes\n", err, ebnum, written);
-		return err;
-	}
-	if (written != len) {
-		pr_info("written only %zd bytes of %zd, but no error"
-		       " reported\n", written, len);
-		return -EIO;
-	}
-
-	return 0;
-}
-
-static int __init tort_init(void)
-{
-	int err = 0, i, infinite = !cycles_count;
-	int *bad_ebs;
-
-	printk(KERN_INFO "\n");
-	printk(KERN_INFO "=================================================\n");
-	pr_info("Warning: this program is trying to wear out your "
-	       "flash, stop it if this is not wanted.\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;
-	}
-
-	pr_info("MTD device: %d\n", dev);
-	pr_info("torture %d eraseblocks (%d-%d) of mtd%d\n",
-	       ebcnt, eb, eb + ebcnt - 1, dev);
-	if (pgcnt)
-		pr_info("torturing just %d pages per eraseblock\n",
-			pgcnt);
-	pr_info("write verify %s\n", check ? "enabled" : "disabled");
-
-	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;
-
-	if (pgcnt && (pgcnt > mtd->erasesize / pgsize || pgcnt < 0)) {
-		pr_err("error: invalid pgcnt value %d\n", pgcnt);
-		goto out_mtd;
-	}
-
-	err = -ENOMEM;
-	patt_5A5 = kmalloc(mtd->erasesize, GFP_KERNEL);
-	if (!patt_5A5)
-		goto out_mtd;
-
-	patt_A5A = kmalloc(mtd->erasesize, GFP_KERNEL);
-	if (!patt_A5A)
-		goto out_patt_5A5;
-
-	patt_FF = kmalloc(mtd->erasesize, GFP_KERNEL);
-	if (!patt_FF)
-		goto out_patt_A5A;
-
-	check_buf = kmalloc(mtd->erasesize, GFP_KERNEL);
-	if (!check_buf)
-		goto out_patt_FF;
-
-	bad_ebs = kcalloc(ebcnt, sizeof(*bad_ebs), GFP_KERNEL);
-	if (!bad_ebs)
-		goto out_check_buf;
-
-	err = 0;
-
-	/* Initialize patterns */
-	memset(patt_FF, 0xFF, mtd->erasesize);
-	for (i = 0; i < mtd->erasesize / pgsize; i++) {
-		if (!(i & 1)) {
-			memset(patt_5A5 + i * pgsize, 0x55, pgsize);
-			memset(patt_A5A + i * pgsize, 0xAA, pgsize);
-		} else {
-			memset(patt_5A5 + i * pgsize, 0xAA, pgsize);
-			memset(patt_A5A + i * pgsize, 0x55, pgsize);
-		}
-	}
-
-	/*
-	 * Check if there is a bad eraseblock among those we are going to test.
-	 */
-	if (mtd_can_have_bb(mtd)) {
-		for (i = eb; i < eb + ebcnt; i++) {
-			err = mtd_block_isbad(mtd, (loff_t)i * mtd->erasesize);
-
-			if (err < 0) {
-				pr_info("block_isbad() returned %d "
-				       "for EB %d\n", err, i);
-				goto out;
-			}
-
-			if (err) {
-				pr_err("EB %d is bad. Skip it.\n", i);
-				bad_ebs[i - eb] = 1;
-			}
-		}
-	}
-
-	start_timing();
-	while (1) {
-		int i;
-		void *patt;
-
-		/* Erase all eraseblocks */
-		for (i = eb; i < eb + ebcnt; i++) {
-			if (bad_ebs[i - eb])
-				continue;
-			err = erase_eraseblock(i);
-			if (err)
-				goto out;
-			cond_resched();
-		}
-
-		/* Check if the eraseblocks contain only 0xFF bytes */
-		if (check) {
-			for (i = eb; i < eb + ebcnt; i++) {
-				if (bad_ebs[i - eb])
-					continue;
-				err = check_eraseblock(i, patt_FF);
-				if (err) {
-					pr_info("verify failed"
-					       " for 0xFF... pattern\n");
-					goto out;
-				}
-				cond_resched();
-			}
-		}
-
-		/* Write the pattern */
-		for (i = eb; i < eb + ebcnt; i++) {
-			if (bad_ebs[i - eb])
-				continue;
-			if ((eb + erase_cycles) & 1)
-				patt = patt_5A5;
-			else
-				patt = patt_A5A;
-			err = write_pattern(i, patt);
-			if (err)
-				goto out;
-			cond_resched();
-		}
-
-		/* Verify what we wrote */
-		if (check) {
-			for (i = eb; i < eb + ebcnt; i++) {
-				if (bad_ebs[i - eb])
-					continue;
-				if ((eb + erase_cycles) & 1)
-					patt = patt_5A5;
-				else
-					patt = patt_A5A;
-				err = check_eraseblock(i, patt);
-				if (err) {
-					pr_info("verify failed for %s"
-					       " pattern\n",
-					       ((eb + erase_cycles) & 1) ?
-					       "0x55AA55..." : "0xAA55AA...");
-					goto out;
-				}
-				cond_resched();
-			}
-		}
-
-		erase_cycles += 1;
-
-		if (erase_cycles % gran == 0) {
-			long ms;
-
-			stop_timing();
-			ms = (finish.tv_sec - start.tv_sec) * 1000 +
-			     (finish.tv_usec - start.tv_usec) / 1000;
-			pr_info("%08u erase cycles done, took %lu "
-			       "milliseconds (%lu seconds)\n",
-			       erase_cycles, ms, ms / 1000);
-			start_timing();
-		}
-
-		if (!infinite && --cycles_count == 0)
-			break;
-	}
-out:
-
-	pr_info("finished after %u erase cycles\n",
-	       erase_cycles);
-	kfree(bad_ebs);
-out_check_buf:
-	kfree(check_buf);
-out_patt_FF:
-	kfree(patt_FF);
-out_patt_A5A:
-	kfree(patt_A5A);
-out_patt_5A5:
-	kfree(patt_5A5);
-out_mtd:
-	put_mtd_device(mtd);
-	if (err)
-		pr_info("error %d occurred during torturing\n", err);
-	printk(KERN_INFO "=================================================\n");
-	return err;
-}
-module_init(tort_init);
-
-static void __exit tort_exit(void)
-{
-	return;
-}
-module_exit(tort_exit);
-
-static int countdiffs(unsigned char *buf, unsigned char *check_buf,
-		      unsigned offset, unsigned len, unsigned *bytesp,
-		      unsigned *bitsp);
-static void print_bufs(unsigned char *read, unsigned char *written, int start,
-		       int len);
-
-/*
- * Report the detailed information about how the read EB differs from what was
- * written.
- */
-static void report_corrupt(unsigned char *read, unsigned char *written)
-{
-	int i;
-	int bytes, bits, pages, first;
-	int offset, len;
-	size_t check_len = mtd->erasesize;
-
-	if (pgcnt)
-		check_len = pgcnt * pgsize;
-
-	bytes = bits = pages = 0;
-	for (i = 0; i < check_len; i += pgsize)
-		if (countdiffs(written, read, i, pgsize, &bytes,
-			       &bits) >= 0)
-			pages++;
-
-	pr_info("verify fails on %d pages, %d bytes/%d bits\n",
-	       pages, bytes, bits);
-	pr_info("The following is a list of all differences between"
-	       " what was read from flash and what was expected\n");
-
-	for (i = 0; i < check_len; i += pgsize) {
-		cond_resched();
-		bytes = bits = 0;
-		first = countdiffs(written, read, i, pgsize, &bytes,
-				   &bits);
-		if (first < 0)
-			continue;
-
-		printk("-------------------------------------------------------"
-		       "----------------------------------\n");
-
-		pr_info("Page %zd has %d bytes/%d bits failing verify,"
-		       " starting at offset 0x%x\n",
-		       (mtd->erasesize - check_len + i) / pgsize,
-		       bytes, bits, first);
-
-		offset = first & ~0x7;
-		len = ((first + bytes) | 0x7) + 1 - offset;
-
-		print_bufs(read, written, offset, len);
-	}
-}
-
-static void print_bufs(unsigned char *read, unsigned char *written, int start,
-		       int len)
-{
-	int i = 0, j1, j2;
-	char *diff;
-
-	printk("Offset       Read                          Written\n");
-	while (i < len) {
-		printk("0x%08x: ", start + i);
-		diff = "   ";
-		for (j1 = 0; j1 < 8 && i + j1 < len; j1++) {
-			printk(" %02x", read[start + i + j1]);
-			if (read[start + i + j1] != written[start + i + j1])
-				diff = "***";
-		}
-
-		while (j1 < 8) {
-			printk(" ");
-			j1 += 1;
-		}
-
-		printk("  %s ", diff);
-
-		for (j2 = 0; j2 < 8 && i + j2 < len; j2++)
-			printk(" %02x", written[start + i + j2]);
-		printk("\n");
-		i += 8;
-	}
-}
-
-/*
- * Count the number of differing bytes and bits and return the first differing
- * offset.
- */
-static int countdiffs(unsigned char *buf, unsigned char *check_buf,
-		      unsigned offset, unsigned len, unsigned *bytesp,
-		      unsigned *bitsp)
-{
-	unsigned i, bit;
-	int first = -1;
-
-	for (i = offset; i < offset + len; i++)
-		if (buf[i] != check_buf[i]) {
-			first = i;
-			break;
-		}
-
-	while (i < offset + len) {
-		if (buf[i] != check_buf[i]) {
-			(*bytesp)++;
-			bit = 1;
-			while (bit < 256) {
-				if ((buf[i] & bit) != (check_buf[i] & bit))
-					(*bitsp)++;
-				bit <<= 1;
-			}
-		}
-		i++;
-	}
-
-	return first;
-}
-
-MODULE_DESCRIPTION("Eraseblock torturing module");
-MODULE_AUTHOR("Artem Bityutskiy, Jarkko Lavinen, Adrian Hunter");
-MODULE_LICENSE("GPL");