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path: root/drivers/mtd/tests/mtd_oobtest.c
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Diffstat (limited to 'drivers/mtd/tests/mtd_oobtest.c')
-rw-r--r--drivers/mtd/tests/mtd_oobtest.c171
1 files changed, 84 insertions, 87 deletions
diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c
index ed9b62827f1..e827fa8cd84 100644
--- a/drivers/mtd/tests/mtd_oobtest.c
+++ b/drivers/mtd/tests/mtd_oobtest.c
@@ -19,6 +19,8 @@
* Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <asm/div64.h>
#include <linux/init.h>
#include <linux/module.h>
@@ -28,8 +30,6 @@
#include <linux/slab.h>
#include <linux/sched.h>
-#define PRINT_PREF KERN_INFO "mtd_oobtest: "
-
static int dev = -EINVAL;
module_param(dev, int, S_IRUGO);
MODULE_PARM_DESC(dev, "MTD device number to use");
@@ -80,13 +80,12 @@ static int erase_eraseblock(int ebnum)
err = mtd_erase(mtd, &ei);
if (err) {
- printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
+ pr_err("error %d while erasing EB %d\n", err, ebnum);
return err;
}
if (ei.state == MTD_ERASE_FAILED) {
- printk(PRINT_PREF "some erase error occurred at EB %d\n",
- ebnum);
+ pr_err("some erase error occurred at EB %d\n", ebnum);
return -EIO;
}
@@ -98,7 +97,7 @@ static int erase_whole_device(void)
int err;
unsigned int i;
- printk(PRINT_PREF "erasing whole device\n");
+ pr_info("erasing whole device\n");
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
continue;
@@ -107,7 +106,7 @@ static int erase_whole_device(void)
return err;
cond_resched();
}
- printk(PRINT_PREF "erased %u eraseblocks\n", i);
+ pr_info("erased %u eraseblocks\n", i);
return 0;
}
@@ -141,9 +140,9 @@ static int write_eraseblock(int ebnum)
ops.oobbuf = writebuf;
err = mtd_write_oob(mtd, addr, &ops);
if (err || ops.oobretlen != use_len) {
- printk(PRINT_PREF "error: writeoob failed at %#llx\n",
+ pr_err("error: writeoob failed at %#llx\n",
(long long)addr);
- printk(PRINT_PREF "error: use_len %d, use_offset %d\n",
+ pr_err("error: use_len %d, use_offset %d\n",
use_len, use_offset);
errcnt += 1;
return err ? err : -1;
@@ -160,7 +159,7 @@ static int write_whole_device(void)
int err;
unsigned int i;
- printk(PRINT_PREF "writing OOBs of whole device\n");
+ pr_info("writing OOBs of whole device\n");
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
continue;
@@ -168,10 +167,10 @@ static int write_whole_device(void)
if (err)
return err;
if (i % 256 == 0)
- printk(PRINT_PREF "written up to eraseblock %u\n", i);
+ pr_info("written up to eraseblock %u\n", i);
cond_resched();
}
- printk(PRINT_PREF "written %u eraseblocks\n", i);
+ pr_info("written %u eraseblocks\n", i);
return 0;
}
@@ -194,17 +193,17 @@ static int verify_eraseblock(int ebnum)
ops.oobbuf = readbuf;
err = mtd_read_oob(mtd, addr, &ops);
if (err || ops.oobretlen != use_len) {
- printk(PRINT_PREF "error: readoob failed at %#llx\n",
+ pr_err("error: readoob failed at %#llx\n",
(long long)addr);
errcnt += 1;
return err ? err : -1;
}
if (memcmp(readbuf, writebuf, use_len)) {
- printk(PRINT_PREF "error: verify failed at %#llx\n",
+ pr_err("error: verify failed at %#llx\n",
(long long)addr);
errcnt += 1;
if (errcnt > 1000) {
- printk(PRINT_PREF "error: too many errors\n");
+ pr_err("error: too many errors\n");
return -1;
}
}
@@ -221,29 +220,28 @@ static int verify_eraseblock(int ebnum)
ops.oobbuf = readbuf;
err = mtd_read_oob(mtd, addr, &ops);
if (err || ops.oobretlen != mtd->ecclayout->oobavail) {
- printk(PRINT_PREF "error: readoob failed at "
- "%#llx\n", (long long)addr);
+ pr_err("error: readoob failed at %#llx\n",
+ (long long)addr);
errcnt += 1;
return err ? err : -1;
}
if (memcmp(readbuf + use_offset, writebuf, use_len)) {
- printk(PRINT_PREF "error: verify failed at "
- "%#llx\n", (long long)addr);
+ pr_err("error: verify failed at %#llx\n",
+ (long long)addr);
errcnt += 1;
if (errcnt > 1000) {
- printk(PRINT_PREF "error: too many "
- "errors\n");
+ pr_err("error: too many errors\n");
return -1;
}
}
for (k = 0; k < use_offset; ++k)
if (readbuf[k] != 0xff) {
- printk(PRINT_PREF "error: verify 0xff "
+ pr_err("error: verify 0xff "
"failed at %#llx\n",
(long long)addr);
errcnt += 1;
if (errcnt > 1000) {
- printk(PRINT_PREF "error: too "
+ pr_err("error: too "
"many errors\n");
return -1;
}
@@ -251,12 +249,12 @@ static int verify_eraseblock(int ebnum)
for (k = use_offset + use_len;
k < mtd->ecclayout->oobavail; ++k)
if (readbuf[k] != 0xff) {
- printk(PRINT_PREF "error: verify 0xff "
+ pr_err("error: verify 0xff "
"failed at %#llx\n",
(long long)addr);
errcnt += 1;
if (errcnt > 1000) {
- printk(PRINT_PREF "error: too "
+ pr_err("error: too "
"many errors\n");
return -1;
}
@@ -286,17 +284,17 @@ static int verify_eraseblock_in_one_go(int ebnum)
ops.oobbuf = readbuf;
err = mtd_read_oob(mtd, addr, &ops);
if (err || ops.oobretlen != len) {
- printk(PRINT_PREF "error: readoob failed at %#llx\n",
+ pr_err("error: readoob failed at %#llx\n",
(long long)addr);
errcnt += 1;
return err ? err : -1;
}
if (memcmp(readbuf, writebuf, len)) {
- printk(PRINT_PREF "error: verify failed at %#llx\n",
+ pr_err("error: verify failed at %#llx\n",
(long long)addr);
errcnt += 1;
if (errcnt > 1000) {
- printk(PRINT_PREF "error: too many errors\n");
+ pr_err("error: too many errors\n");
return -1;
}
}
@@ -309,7 +307,7 @@ static int verify_all_eraseblocks(void)
int err;
unsigned int i;
- printk(PRINT_PREF "verifying all eraseblocks\n");
+ pr_info("verifying all eraseblocks\n");
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
continue;
@@ -317,10 +315,10 @@ static int verify_all_eraseblocks(void)
if (err)
return err;
if (i % 256 == 0)
- printk(PRINT_PREF "verified up to eraseblock %u\n", i);
+ pr_info("verified up to eraseblock %u\n", i);
cond_resched();
}
- printk(PRINT_PREF "verified %u eraseblocks\n", i);
+ pr_info("verified %u eraseblocks\n", i);
return 0;
}
@@ -331,7 +329,7 @@ static int is_block_bad(int ebnum)
ret = mtd_block_isbad(mtd, addr);
if (ret)
- printk(PRINT_PREF "block %d is bad\n", ebnum);
+ pr_info("block %d is bad\n", ebnum);
return ret;
}
@@ -341,18 +339,18 @@ static int scan_for_bad_eraseblocks(void)
bbt = kmalloc(ebcnt, GFP_KERNEL);
if (!bbt) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_err("error: cannot allocate memory\n");
return -ENOMEM;
}
- printk(PRINT_PREF "scanning for bad eraseblocks\n");
+ 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();
}
- printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad);
+ pr_info("scanned %d eraseblocks, %d are bad\n", i, bad);
return 0;
}
@@ -368,22 +366,22 @@ static int __init mtd_oobtest_init(void)
printk(KERN_INFO "=================================================\n");
if (dev < 0) {
- printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n");
- printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n");
+ 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;
}
- printk(PRINT_PREF "MTD device: %d\n", dev);
+ pr_info("MTD device: %d\n", dev);
mtd = get_mtd_device(NULL, dev);
if (IS_ERR(mtd)) {
err = PTR_ERR(mtd);
- printk(PRINT_PREF "error: cannot get MTD device\n");
+ pr_err("error: cannot get MTD device\n");
return err;
}
if (mtd->type != MTD_NANDFLASH) {
- printk(PRINT_PREF "this test requires NAND flash\n");
+ pr_info("this test requires NAND flash\n");
goto out;
}
@@ -392,7 +390,7 @@ static int __init mtd_oobtest_init(void)
ebcnt = tmp;
pgcnt = mtd->erasesize / mtd->writesize;
- printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, "
+ 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,
@@ -401,12 +399,12 @@ static int __init mtd_oobtest_init(void)
err = -ENOMEM;
readbuf = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!readbuf) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_err("error: cannot allocate memory\n");
goto out;
}
writebuf = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!writebuf) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_err("error: cannot allocate memory\n");
goto out;
}
@@ -420,7 +418,7 @@ static int __init mtd_oobtest_init(void)
vary_offset = 0;
/* First test: write all OOB, read it back and verify */
- printk(PRINT_PREF "test 1 of 5\n");
+ pr_info("test 1 of 5\n");
err = erase_whole_device();
if (err)
@@ -440,7 +438,7 @@ static int __init mtd_oobtest_init(void)
* Second test: write all OOB, a block at a time, read it back and
* verify.
*/
- printk(PRINT_PREF "test 2 of 5\n");
+ pr_info("test 2 of 5\n");
err = erase_whole_device();
if (err)
@@ -453,7 +451,7 @@ static int __init mtd_oobtest_init(void)
/* Check all eraseblocks */
simple_srand(3);
- printk(PRINT_PREF "verifying all eraseblocks\n");
+ pr_info("verifying all eraseblocks\n");
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
continue;
@@ -461,16 +459,16 @@ static int __init mtd_oobtest_init(void)
if (err)
goto out;
if (i % 256 == 0)
- printk(PRINT_PREF "verified up to eraseblock %u\n", i);
+ pr_info("verified up to eraseblock %u\n", i);
cond_resched();
}
- printk(PRINT_PREF "verified %u eraseblocks\n", i);
+ pr_info("verified %u eraseblocks\n", i);
/*
* Third test: write OOB at varying offsets and lengths, read it back
* and verify.
*/
- printk(PRINT_PREF "test 3 of 5\n");
+ pr_info("test 3 of 5\n");
err = erase_whole_device();
if (err)
@@ -503,7 +501,7 @@ static int __init mtd_oobtest_init(void)
vary_offset = 0;
/* Fourth test: try to write off end of device */
- printk(PRINT_PREF "test 4 of 5\n");
+ pr_info("test 4 of 5\n");
err = erase_whole_device();
if (err)
@@ -522,14 +520,14 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = mtd->ecclayout->oobavail;
ops.datbuf = NULL;
ops.oobbuf = writebuf;
- printk(PRINT_PREF "attempting to start write past end of OOB\n");
- printk(PRINT_PREF "an error is expected...\n");
+ pr_info("attempting to start write past end of OOB\n");
+ pr_info("an error is expected...\n");
err = mtd_write_oob(mtd, addr0, &ops);
if (err) {
- printk(PRINT_PREF "error occurred as expected\n");
+ pr_info("error occurred as expected\n");
err = 0;
} else {
- printk(PRINT_PREF "error: can write past end of OOB\n");
+ pr_err("error: can write past end of OOB\n");
errcnt += 1;
}
@@ -542,19 +540,19 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = mtd->ecclayout->oobavail;
ops.datbuf = NULL;
ops.oobbuf = readbuf;
- printk(PRINT_PREF "attempting to start read past end of OOB\n");
- printk(PRINT_PREF "an error is expected...\n");
+ pr_info("attempting to start read past end of OOB\n");
+ pr_info("an error is expected...\n");
err = mtd_read_oob(mtd, addr0, &ops);
if (err) {
- printk(PRINT_PREF "error occurred as expected\n");
+ pr_info("error occurred as expected\n");
err = 0;
} else {
- printk(PRINT_PREF "error: can read past end of OOB\n");
+ pr_err("error: can read past end of OOB\n");
errcnt += 1;
}
if (bbt[ebcnt - 1])
- printk(PRINT_PREF "skipping end of device tests because last "
+ pr_info("skipping end of device tests because last "
"block is bad\n");
else {
/* Attempt to write off end of device */
@@ -566,14 +564,14 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = 0;
ops.datbuf = NULL;
ops.oobbuf = writebuf;
- printk(PRINT_PREF "attempting to write past end of device\n");
- printk(PRINT_PREF "an error is expected...\n");
+ pr_info("attempting to write past end of device\n");
+ pr_info("an error is expected...\n");
err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
- printk(PRINT_PREF "error occurred as expected\n");
+ pr_info("error occurred as expected\n");
err = 0;
} else {
- printk(PRINT_PREF "error: wrote past end of device\n");
+ pr_err("error: wrote past end of device\n");
errcnt += 1;
}
@@ -586,14 +584,14 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = 0;
ops.datbuf = NULL;
ops.oobbuf = readbuf;
- printk(PRINT_PREF "attempting to read past end of device\n");
- printk(PRINT_PREF "an error is expected...\n");
+ pr_info("attempting to read past end of device\n");
+ pr_info("an error is expected...\n");
err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
- printk(PRINT_PREF "error occurred as expected\n");
+ pr_info("error occurred as expected\n");
err = 0;
} else {
- printk(PRINT_PREF "error: read past end of device\n");
+ pr_err("error: read past end of device\n");
errcnt += 1;
}
@@ -610,14 +608,14 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = 1;
ops.datbuf = NULL;
ops.oobbuf = writebuf;
- printk(PRINT_PREF "attempting to write past end of device\n");
- printk(PRINT_PREF "an error is expected...\n");
+ pr_info("attempting to write past end of device\n");
+ pr_info("an error is expected...\n");
err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
- printk(PRINT_PREF "error occurred as expected\n");
+ pr_info("error occurred as expected\n");
err = 0;
} else {
- printk(PRINT_PREF "error: wrote past end of device\n");
+ pr_err("error: wrote past end of device\n");
errcnt += 1;
}
@@ -630,20 +628,20 @@ static int __init mtd_oobtest_init(void)
ops.ooboffs = 1;
ops.datbuf = NULL;
ops.oobbuf = readbuf;
- printk(PRINT_PREF "attempting to read past end of device\n");
- printk(PRINT_PREF "an error is expected...\n");
+ pr_info("attempting to read past end of device\n");
+ pr_info("an error is expected...\n");
err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);
if (err) {
- printk(PRINT_PREF "error occurred as expected\n");
+ pr_info("error occurred as expected\n");
err = 0;
} else {
- printk(PRINT_PREF "error: read past end of device\n");
+ pr_err("error: read past end of device\n");
errcnt += 1;
}
}
/* Fifth test: write / read across block boundaries */
- printk(PRINT_PREF "test 5 of 5\n");
+ pr_info("test 5 of 5\n");
/* Erase all eraseblocks */
err = erase_whole_device();
@@ -652,7 +650,7 @@ static int __init mtd_oobtest_init(void)
/* Write all eraseblocks */
simple_srand(11);
- printk(PRINT_PREF "writing OOBs of whole device\n");
+ pr_info("writing OOBs of whole device\n");
for (i = 0; i < ebcnt - 1; ++i) {
int cnt = 2;
int pg;
@@ -674,17 +672,16 @@ static int __init mtd_oobtest_init(void)
if (err)
goto out;
if (i % 256 == 0)
- printk(PRINT_PREF "written up to eraseblock "
- "%u\n", i);
+ pr_info("written up to eraseblock %u\n", i);
cond_resched();
addr += mtd->writesize;
}
}
- printk(PRINT_PREF "written %u eraseblocks\n", i);
+ pr_info("written %u eraseblocks\n", i);
/* Check all eraseblocks */
simple_srand(11);
- printk(PRINT_PREF "verifying all eraseblocks\n");
+ pr_info("verifying all eraseblocks\n");
for (i = 0; i < ebcnt - 1; ++i) {
if (bbt[i] || bbt[i + 1])
continue;
@@ -702,28 +699,28 @@ static int __init mtd_oobtest_init(void)
if (err)
goto out;
if (memcmp(readbuf, writebuf, mtd->ecclayout->oobavail * 2)) {
- printk(PRINT_PREF "error: verify failed at %#llx\n",
+ pr_err("error: verify failed at %#llx\n",
(long long)addr);
errcnt += 1;
if (errcnt > 1000) {
- printk(PRINT_PREF "error: too many errors\n");
+ pr_err("error: too many errors\n");
goto out;
}
}
if (i % 256 == 0)
- printk(PRINT_PREF "verified up to eraseblock %u\n", i);
+ pr_info("verified up to eraseblock %u\n", i);
cond_resched();
}
- printk(PRINT_PREF "verified %u eraseblocks\n", i);
+ pr_info("verified %u eraseblocks\n", i);
- printk(PRINT_PREF "finished with %d errors\n", errcnt);
+ pr_info("finished with %d errors\n", errcnt);
out:
kfree(bbt);
kfree(writebuf);
kfree(readbuf);
put_mtd_device(mtd);
if (err)
- printk(PRINT_PREF "error %d occurred\n", err);
+ pr_info("error %d occurred\n", err);
printk(KERN_INFO "=================================================\n");
return err;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 21:02:51 +0000