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authorAkinobu Mita <akinobu.mita@gmail.com>2013-08-03 18:52:09 +0900
committerDavid Woodhouse <David.Woodhouse@intel.com>2013-08-30 21:34:15 +0100
commit4bf527aa5312655d478a49f545a355ee9e76175d (patch)
tree03a883104b60a8d56f4a7d546820fd1e631663af /drivers/mtd/tests
parenta995c792280db558f994c253c1c3c3a55977d529 (diff)
downloadop-kernel-dev-4bf527aa5312655d478a49f545a355ee9e76175d.zip
op-kernel-dev-4bf527aa5312655d478a49f545a355ee9e76175d.tar.gz
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: 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>
Diffstat (limited to 'drivers/mtd/tests')
-rw-r--r--drivers/mtd/tests/oobtest.c92
1 files changed, 12 insertions, 80 deletions
diff --git a/drivers/mtd/tests/oobtest.c b/drivers/mtd/tests/oobtest.c
index ab81e9a..ff35c46 100644
--- a/drivers/mtd/tests/oobtest.c
+++ b/drivers/mtd/tests/oobtest.c
@@ -31,6 +31,8 @@
#include <linux/sched.h>
#include <linux/random.h>
+#include "mtd_test.h"
+
static int dev = -EINVAL;
module_param(dev, int, S_IRUGO);
MODULE_PARM_DESC(dev, "MTD device number to use");
@@ -49,49 +51,6 @@ static int use_len_max;
static int vary_offset;
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)
{
use_len -= 1;
@@ -304,36 +263,6 @@ static int verify_all_eraseblocks(void)
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)
{
int err = 0;
@@ -383,8 +312,11 @@ static int __init mtd_oobtest_init(void)
writebuf = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!writebuf)
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)
goto out;
@@ -396,7 +328,7 @@ static int __init mtd_oobtest_init(void)
/* First test: write all OOB, read it back and verify */
pr_info("test 1 of 5\n");
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@@ -416,7 +348,7 @@ static int __init mtd_oobtest_init(void)
*/
pr_info("test 2 of 5\n");
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@@ -446,7 +378,7 @@ static int __init mtd_oobtest_init(void)
*/
pr_info("test 3 of 5\n");
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@@ -479,7 +411,7 @@ static int __init mtd_oobtest_init(void)
/* Fourth test: try to write off end of device */
pr_info("test 4 of 5\n");
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
@@ -571,7 +503,7 @@ static int __init mtd_oobtest_init(void)
errcnt += 1;
}
- err = erase_eraseblock(ebcnt - 1);
+ err = mtdtest_erase_eraseblock(mtd, ebcnt - 1);
if (err)
goto out;
@@ -620,7 +552,7 @@ static int __init mtd_oobtest_init(void)
pr_info("test 5 of 5\n");
/* Erase all eraseblocks */
- err = erase_whole_device();
+ err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
if (err)
goto out;
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