* 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>
#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");
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;
}
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;
return err;
cond_resched();
}
- printk(PRINT_PREF "erased %u eraseblocks\n", i);
+ pr_info("erased %u eraseblocks\n", i);
return 0;
}
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;
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;
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;
}
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;
}
}
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;
}
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;
}
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;
}
}
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;
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;
}
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;
}
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;
}
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;
}
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,
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;
}
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)
* 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)
/* 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;
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)
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)
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;
}
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 */
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;
}
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;
}
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;
}
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();
/* 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;
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;
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;
}
projects / karo-tx-linux.git / blobdiff