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, 504 deletions

diff --git a/drivers/mtd/tests/mtd_subpagetest.c b/drivers/mtd/tests/mtd_subpagetest.c
deleted file mode 100644
index e41a04f5caab..000000000000
--- a/drivers/mtd/tests/mtd_subpagetest.c
+++ /dev/null
@@ -1,504 +0,0 @@
-/*
- * Copyright (C) 2006-2007 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 sub-page read and write on MTD device.
- * Author: Adrian Hunter <ext-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 struct mtd_info *mtd;
-static unsigned char *writebuf;
-static unsigned char *readbuf;
-static unsigned char *bbt;
-
-static int subpgsize;
-static int bufsize;
-static int ebcnt;
-static int pgcnt;
-static int errcnt;
-static struct rnd_state rnd_state;
-
-static inline void clear_data(unsigned char *buf, size_t len)
-{
-	memset(buf, 0, len);
-}
-
-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 erase_whole_device(void)
-{
-	int err;
-	unsigned int i;
-
-	pr_info("erasing whole device\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = erase_eraseblock(i);
-		if (err)
-			return err;
-		cond_resched();
-	}
-	pr_info("erased %u eraseblocks\n", i);
-	return 0;
-}
-
-static int write_eraseblock(int ebnum)
-{
-	size_t written;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	prandom_bytes_state(&rnd_state, writebuf, subpgsize);
-	err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
-	if (unlikely(err || written != subpgsize)) {
-		pr_err("error: write failed at %#llx\n",
-		       (long long)addr);
-		if (written != subpgsize) {
-			pr_err("  write size: %#x\n", subpgsize);
-			pr_err("  written: %#zx\n", written);
-		}
-		return err ? err : -1;
-	}
-
-	addr += subpgsize;
-
-	prandom_bytes_state(&rnd_state, writebuf, subpgsize);
-	err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
-	if (unlikely(err || written != subpgsize)) {
-		pr_err("error: write failed at %#llx\n",
-		       (long long)addr);
-		if (written != subpgsize) {
-			pr_err("  write size: %#x\n", subpgsize);
-			pr_err("  written: %#zx\n", written);
-		}
-		return err ? err : -1;
-	}
-
-	return err;
-}
-
-static int write_eraseblock2(int ebnum)
-{
-	size_t written;
-	int err = 0, k;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	for (k = 1; k < 33; ++k) {
-		if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
-			break;
-		prandom_bytes_state(&rnd_state, writebuf, subpgsize * k);
-		err = mtd_write(mtd, addr, subpgsize * k, &written, writebuf);
-		if (unlikely(err || written != subpgsize * k)) {
-			pr_err("error: write failed at %#llx\n",
-			       (long long)addr);
-			if (written != subpgsize) {
-				pr_err("  write size: %#x\n",
-				       subpgsize * k);
-				pr_err("  written: %#08zx\n",
-				       written);
-			}
-			return err ? err : -1;
-		}
-		addr += subpgsize * k;
-	}
-
-	return err;
-}
-
-static void print_subpage(unsigned char *p)
-{
-	int i, j;
-
-	for (i = 0; i < subpgsize; ) {
-		for (j = 0; i < subpgsize && j < 32; ++i, ++j)
-			printk("%02x", *p++);
-		printk("\n");
-	}
-}
-
-static int verify_eraseblock(int ebnum)
-{
-	size_t read;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	prandom_bytes_state(&rnd_state, writebuf, subpgsize);
-	clear_data(readbuf, subpgsize);
-	err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
-	if (unlikely(err || read != subpgsize)) {
-		if (mtd_is_bitflip(err) && read == subpgsize) {
-			pr_info("ECC correction at %#llx\n",
-			       (long long)addr);
-			err = 0;
-		} else {
-			pr_err("error: read failed at %#llx\n",
-			       (long long)addr);
-			return err ? err : -1;
-		}
-	}
-	if (unlikely(memcmp(readbuf, writebuf, subpgsize))) {
-		pr_err("error: verify failed at %#llx\n",
-		       (long long)addr);
-		pr_info("------------- written----------------\n");
-		print_subpage(writebuf);
-		pr_info("------------- read ------------------\n");
-		print_subpage(readbuf);
-		pr_info("-------------------------------------\n");
-		errcnt += 1;
-	}
-
-	addr += subpgsize;
-
-	prandom_bytes_state(&rnd_state, writebuf, subpgsize);
-	clear_data(readbuf, subpgsize);
-	err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
-	if (unlikely(err || read != subpgsize)) {
-		if (mtd_is_bitflip(err) && read == subpgsize) {
-			pr_info("ECC correction at %#llx\n",
-			       (long long)addr);
-			err = 0;
-		} else {
-			pr_err("error: read failed at %#llx\n",
-			       (long long)addr);
-			return err ? err : -1;
-		}
-	}
-	if (unlikely(memcmp(readbuf, writebuf, subpgsize))) {
-		pr_info("error: verify failed at %#llx\n",
-		       (long long)addr);
-		pr_info("------------- written----------------\n");
-		print_subpage(writebuf);
-		pr_info("------------- read ------------------\n");
-		print_subpage(readbuf);
-		pr_info("-------------------------------------\n");
-		errcnt += 1;
-	}
-
-	return err;
-}
-
-static int verify_eraseblock2(int ebnum)
-{
-	size_t read;
-	int err = 0, k;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	for (k = 1; k < 33; ++k) {
-		if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
-			break;
-		prandom_bytes_state(&rnd_state, writebuf, subpgsize * k);
-		clear_data(readbuf, subpgsize * k);
-		err = mtd_read(mtd, addr, subpgsize * k, &read, readbuf);
-		if (unlikely(err || read != subpgsize * k)) {
-			if (mtd_is_bitflip(err) && read == subpgsize * k) {
-				pr_info("ECC correction at %#llx\n",
-				       (long long)addr);
-				err = 0;
-			} else {
-				pr_err("error: read failed at "
-				       "%#llx\n", (long long)addr);
-				return err ? err : -1;
-			}
-		}
-		if (unlikely(memcmp(readbuf, writebuf, subpgsize * k))) {
-			pr_err("error: verify failed at %#llx\n",
-			       (long long)addr);
-			errcnt += 1;
-		}
-		addr += subpgsize * k;
-	}
-
-	return err;
-}
-
-static int verify_eraseblock_ff(int ebnum)
-{
-	uint32_t j;
-	size_t read;
-	int err = 0;
-	loff_t addr = ebnum * mtd->erasesize;
-
-	memset(writebuf, 0xff, subpgsize);
-	for (j = 0; j < mtd->erasesize / subpgsize; ++j) {
-		clear_data(readbuf, subpgsize);
-		err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
-		if (unlikely(err || read != subpgsize)) {
-			if (mtd_is_bitflip(err) && read == subpgsize) {
-				pr_info("ECC correction at %#llx\n",
-				       (long long)addr);
-				err = 0;
-			} else {
-				pr_err("error: read failed at "
-				       "%#llx\n", (long long)addr);
-				return err ? err : -1;
-			}
-		}
-		if (unlikely(memcmp(readbuf, writebuf, subpgsize))) {
-			pr_err("error: verify 0xff failed at "
-			       "%#llx\n", (long long)addr);
-			errcnt += 1;
-		}
-		addr += subpgsize;
-	}
-
-	return err;
-}
-
-static int verify_all_eraseblocks_ff(void)
-{
-	int err;
-	unsigned int i;
-
-	pr_info("verifying all eraseblocks for 0xff\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = verify_eraseblock_ff(i);
-		if (err)
-			return err;
-		if (i % 256 == 0)
-			pr_info("verified up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("verified %u eraseblocks\n", i);
-	return 0;
-}
-
-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 int scan_for_bad_eraseblocks(void)
-{
-	int i, bad = 0;
-
-	bbt = kzalloc(ebcnt, GFP_KERNEL);
-	if (!bbt)
-		return -ENOMEM;
-
-	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);
-	return 0;
-}
-
-static int __init mtd_subpagetest_init(void)
-{
-	int err = 0;
-	uint32_t i;
-	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;
-	}
-
-	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->type != MTD_NANDFLASH) {
-		pr_info("this test requires NAND flash\n");
-		goto out;
-	}
-
-	subpgsize = mtd->writesize >> mtd->subpage_sft;
-	tmp = mtd->size;
-	do_div(tmp, mtd->erasesize);
-	ebcnt = tmp;
-	pgcnt = mtd->erasesize / mtd->writesize;
-
-	pr_info("MTD device size %llu, eraseblock size %u, "
-	       "page size %u, subpage size %u, count of eraseblocks %u, "
-	       "pages per eraseblock %u, OOB size %u\n",
-	       (unsigned long long)mtd->size, mtd->erasesize,
-	       mtd->writesize, subpgsize, ebcnt, pgcnt, mtd->oobsize);
-
-	err = -ENOMEM;
-	bufsize = subpgsize * 32;
-	writebuf = kmalloc(bufsize, GFP_KERNEL);
-	if (!writebuf)
-		goto out;
-	readbuf = kmalloc(bufsize, GFP_KERNEL);
-	if (!readbuf)
-		goto out;
-
-	err = scan_for_bad_eraseblocks();
-	if (err)
-		goto out;
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	pr_info("writing whole device\n");
-	prandom_seed_state(&rnd_state, 1);
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = write_eraseblock(i);
-		if (unlikely(err))
-			goto out;
-		if (i % 256 == 0)
-			pr_info("written up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("written %u eraseblocks\n", i);
-
-	prandom_seed_state(&rnd_state, 1);
-	pr_info("verifying all eraseblocks\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = verify_eraseblock(i);
-		if (unlikely(err))
-			goto out;
-		if (i % 256 == 0)
-			pr_info("verified up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("verified %u eraseblocks\n", i);
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	err = verify_all_eraseblocks_ff();
-	if (err)
-		goto out;
-
-	/* Write all eraseblocks */
-	prandom_seed_state(&rnd_state, 3);
-	pr_info("writing whole device\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = write_eraseblock2(i);
-		if (unlikely(err))
-			goto out;
-		if (i % 256 == 0)
-			pr_info("written up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("written %u eraseblocks\n", i);
-
-	/* Check all eraseblocks */
-	prandom_seed_state(&rnd_state, 3);
-	pr_info("verifying all eraseblocks\n");
-	for (i = 0; i < ebcnt; ++i) {
-		if (bbt[i])
-			continue;
-		err = verify_eraseblock2(i);
-		if (unlikely(err))
-			goto out;
-		if (i % 256 == 0)
-			pr_info("verified up to eraseblock %u\n", i);
-		cond_resched();
-	}
-	pr_info("verified %u eraseblocks\n", i);
-
-	err = erase_whole_device();
-	if (err)
-		goto out;
-
-	err = verify_all_eraseblocks_ff();
-	if (err)
-		goto out;
-
-	pr_info("finished with %d errors\n", errcnt);
-
-out:
-	kfree(bbt);
-	kfree(readbuf);
-	kfree(writebuf);
-	put_mtd_device(mtd);
-	if (err)
-		pr_info("error %d occurred\n", err);
-	printk(KERN_INFO "=================================================\n");
-	return err;
-}
-module_init(mtd_subpagetest_init);
-
-static void __exit mtd_subpagetest_exit(void)
-{
-	return;
-}
-module_exit(mtd_subpagetest_exit);
-
-MODULE_DESCRIPTION("Subpage test module");
-MODULE_AUTHOR("Adrian Hunter");
-MODULE_LICENSE("GPL");