Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4bf527aa authored by Akinobu Mita's avatar Akinobu Mita Committed by David Woodhouse
Browse files

mtd: mtd_oobtest: use mtd_test helpers 



Use mtdtest_scan_for_bad_eraseblocks(), mtdtest_erase_good_eraseblocks(),
and mtdtest_erase_eraseblock() in mtd_test helpers.

Signed-off-by: default avatarAkinobu 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: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent a995c792

drivers/mtd/tests/oobtest.c

+12 −80
Original line number Original line Diff line number Diff line
@@ -31,6 +31,8 @@ 
#include <linux/sched.h>

#include <linux/sched.h>

#include <linux/random.h>

#include <linux/random.h>





#include "mtd_test.h"



static int dev = -EINVAL;

static int dev = -EINVAL;

module_param(dev, int, S_IRUGO);

module_param(dev, int, S_IRUGO);

MODULE_PARM_DESC(dev, "MTD device number to use");

MODULE_PARM_DESC(dev, "MTD device number to use");
@@ -49,49 +51,6 @@ static int use_len_max; 
static int vary_offset;

static int vary_offset;

static struct rnd_state rnd_state;

static struct rnd_state rnd_state;





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 void do_vary_offset(void)

static void do_vary_offset(void)

{

{

	use_len -= 1;

	use_len -= 1;
@@ -304,36 +263,6 @@ static int verify_all_eraseblocks(void) 
	return 0;

	return 0;

}

}





static int is_block_bad(int ebnum)

{

	int ret;

	loff_t addr = ebnum * mtd->erasesize;



	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 = kmalloc(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_oobtest_init(void)

static int __init mtd_oobtest_init(void)

{

{

	int err = 0;

	int err = 0;
@@ -383,8 +312,11 @@ static int __init mtd_oobtest_init(void) 
	writebuf = kmalloc(mtd->erasesize, GFP_KERNEL);

	writebuf = kmalloc(mtd->erasesize, GFP_KERNEL);

	if (!writebuf)

	if (!writebuf)

		goto out;

		goto out;

	bbt = kzalloc(ebcnt, GFP_KERNEL);

	if (!bbt)

		goto out;





	err = scan_for_bad_eraseblocks();

	err = mtdtest_scan_for_bad_eraseblocks(mtd, bbt, 0, ebcnt);

	if (err)

	if (err)

		goto out;

		goto out;
@@ -396,7 +328,7 @@ static int __init mtd_oobtest_init(void) 
	/* First test: write all OOB, read it back and verify */

	/* First test: write all OOB, read it back and verify */

	pr_info("test 1 of 5\n");

	pr_info("test 1 of 5\n");





	err = erase_whole_device();

	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);

	if (err)

	if (err)

		goto out;

		goto out;
@@ -416,7 +348,7 @@ static int __init mtd_oobtest_init(void) 
	 */

	 */

	pr_info("test 2 of 5\n");

	pr_info("test 2 of 5\n");





	err = erase_whole_device();

	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);

	if (err)

	if (err)

		goto out;

		goto out;
@@ -446,7 +378,7 @@ static int __init mtd_oobtest_init(void) 
	 */

	 */

	pr_info("test 3 of 5\n");

	pr_info("test 3 of 5\n");





	err = erase_whole_device();

	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);

	if (err)

	if (err)

		goto out;

		goto out;
@@ -479,7 +411,7 @@ static int __init mtd_oobtest_init(void) 
	/* Fourth test: try to write off end of device */

	/* Fourth test: try to write off end of device */

	pr_info("test 4 of 5\n");

	pr_info("test 4 of 5\n");





	err = erase_whole_device();

	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);

	if (err)

	if (err)

		goto out;

		goto out;
@@ -571,7 +503,7 @@ static int __init mtd_oobtest_init(void) 
			errcnt += 1;

			errcnt += 1;

		}

		}





		err = erase_eraseblock(ebcnt - 1);

		err = mtdtest_erase_eraseblock(mtd, ebcnt - 1);

		if (err)

		if (err)

			goto out;

			goto out;
@@ -620,7 +552,7 @@ static int __init mtd_oobtest_init(void) 
	pr_info("test 5 of 5\n");

	pr_info("test 5 of 5\n");





	/* Erase all eraseblocks */

	/* Erase all eraseblocks */

	err = erase_whole_device();

	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);

	if (err)

	if (err)

		goto out;

		goto out;