*
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/slab.h>
#include <linux/sched.h>
-#define PRINT_PREF KERN_INFO "mtd_subpagetest: "
-
static int dev = -EINVAL;
module_param(dev, int, S_IRUGO);
MODULE_PARM_DESC(dev, "MTD device number to use");
ei.addr = addr;
ei.len = mtd->erasesize;
- err = mtd->erase(mtd, &ei);
+ 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",
+ 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;
}
static int write_eraseblock(int ebnum)
{
- size_t written = 0;
+ size_t written;
int err = 0;
loff_t addr = ebnum * mtd->erasesize;
set_random_data(writebuf, subpgsize);
- err = mtd->write(mtd, addr, subpgsize, &written, writebuf);
+ err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
if (unlikely(err || written != subpgsize)) {
- printk(PRINT_PREF "error: write failed at %#llx\n",
+ pr_err("error: write failed at %#llx\n",
(long long)addr);
if (written != subpgsize) {
- printk(PRINT_PREF " write size: %#x\n", subpgsize);
- printk(PRINT_PREF " written: %#zx\n", written);
+ pr_err(" write size: %#x\n", subpgsize);
+ pr_err(" written: %#zx\n", written);
}
return err ? err : -1;
}
addr += subpgsize;
set_random_data(writebuf, subpgsize);
- err = mtd->write(mtd, addr, subpgsize, &written, writebuf);
+ err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
if (unlikely(err || written != subpgsize)) {
- printk(PRINT_PREF "error: write failed at %#llx\n",
+ pr_err("error: write failed at %#llx\n",
(long long)addr);
if (written != subpgsize) {
- printk(PRINT_PREF " write size: %#x\n", subpgsize);
- printk(PRINT_PREF " written: %#zx\n", written);
+ pr_err(" write size: %#x\n", subpgsize);
+ pr_err(" written: %#zx\n", written);
}
return err ? err : -1;
}
static int write_eraseblock2(int ebnum)
{
- size_t written = 0;
+ size_t written;
int err = 0, k;
loff_t addr = ebnum * mtd->erasesize;
if (addr + (subpgsize * k) > (ebnum + 1) * mtd->erasesize)
break;
set_random_data(writebuf, subpgsize * k);
- err = mtd->write(mtd, addr, subpgsize * k, &written, writebuf);
+ err = mtd_write(mtd, addr, subpgsize * k, &written, writebuf);
if (unlikely(err || written != subpgsize * k)) {
- printk(PRINT_PREF "error: write failed at %#llx\n",
+ pr_err("error: write failed at %#llx\n",
(long long)addr);
if (written != subpgsize) {
- printk(PRINT_PREF " write size: %#x\n",
+ pr_err(" write size: %#x\n",
subpgsize * k);
- printk(PRINT_PREF " written: %#08zx\n",
+ pr_err(" written: %#08zx\n",
written);
}
return err ? err : -1;
static int verify_eraseblock(int ebnum)
{
- size_t read = 0;
+ size_t read;
int err = 0;
loff_t addr = ebnum * mtd->erasesize;
set_random_data(writebuf, subpgsize);
clear_data(readbuf, subpgsize);
- read = 0;
- err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
+ err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (mtd_is_bitflip(err) && read == subpgsize) {
- printk(PRINT_PREF "ECC correction at %#llx\n",
+ pr_info("ECC correction at %#llx\n",
(long long)addr);
err = 0;
} else {
- printk(PRINT_PREF "error: read failed at %#llx\n",
+ pr_err("error: read failed at %#llx\n",
(long long)addr);
return err ? err : -1;
}
}
if (unlikely(memcmp(readbuf, writebuf, subpgsize))) {
- printk(PRINT_PREF "error: verify failed at %#llx\n",
+ pr_err("error: verify failed at %#llx\n",
(long long)addr);
- printk(PRINT_PREF "------------- written----------------\n");
+ pr_info("------------- written----------------\n");
print_subpage(writebuf);
- printk(PRINT_PREF "------------- read ------------------\n");
+ pr_info("------------- read ------------------\n");
print_subpage(readbuf);
- printk(PRINT_PREF "-------------------------------------\n");
+ pr_info("-------------------------------------\n");
errcnt += 1;
}
set_random_data(writebuf, subpgsize);
clear_data(readbuf, subpgsize);
- read = 0;
- err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
+ err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (mtd_is_bitflip(err) && read == subpgsize) {
- printk(PRINT_PREF "ECC correction at %#llx\n",
+ pr_info("ECC correction at %#llx\n",
(long long)addr);
err = 0;
} else {
- printk(PRINT_PREF "error: read failed at %#llx\n",
+ pr_err("error: read failed at %#llx\n",
(long long)addr);
return err ? err : -1;
}
}
if (unlikely(memcmp(readbuf, writebuf, subpgsize))) {
- printk(PRINT_PREF "error: verify failed at %#llx\n",
+ pr_info("error: verify failed at %#llx\n",
(long long)addr);
- printk(PRINT_PREF "------------- written----------------\n");
+ pr_info("------------- written----------------\n");
print_subpage(writebuf);
- printk(PRINT_PREF "------------- read ------------------\n");
+ pr_info("------------- read ------------------\n");
print_subpage(readbuf);
- printk(PRINT_PREF "-------------------------------------\n");
+ pr_info("-------------------------------------\n");
errcnt += 1;
}
static int verify_eraseblock2(int ebnum)
{
- size_t read = 0;
+ size_t read;
int err = 0, k;
loff_t addr = ebnum * mtd->erasesize;
break;
set_random_data(writebuf, subpgsize * k);
clear_data(readbuf, subpgsize * k);
- read = 0;
- err = mtd->read(mtd, addr, subpgsize * k, &read, readbuf);
+ err = mtd_read(mtd, addr, subpgsize * k, &read, readbuf);
if (unlikely(err || read != subpgsize * k)) {
if (mtd_is_bitflip(err) && read == subpgsize * k) {
- printk(PRINT_PREF "ECC correction at %#llx\n",
+ pr_info("ECC correction at %#llx\n",
(long long)addr);
err = 0;
} else {
- printk(PRINT_PREF "error: read failed at "
+ pr_err("error: read failed at "
"%#llx\n", (long long)addr);
return err ? err : -1;
}
}
if (unlikely(memcmp(readbuf, writebuf, subpgsize * k))) {
- printk(PRINT_PREF "error: verify failed at %#llx\n",
+ pr_err("error: verify failed at %#llx\n",
(long long)addr);
errcnt += 1;
}
static int verify_eraseblock_ff(int ebnum)
{
uint32_t j;
- size_t read = 0;
+ 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);
- read = 0;
- err = mtd->read(mtd, addr, subpgsize, &read, readbuf);
+ err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
if (unlikely(err || read != subpgsize)) {
if (mtd_is_bitflip(err) && read == subpgsize) {
- printk(PRINT_PREF "ECC correction at %#llx\n",
+ pr_info("ECC correction at %#llx\n",
(long long)addr);
err = 0;
} else {
- printk(PRINT_PREF "error: read failed at "
+ pr_err("error: read failed at "
"%#llx\n", (long long)addr);
return err ? err : -1;
}
}
if (unlikely(memcmp(readbuf, writebuf, subpgsize))) {
- printk(PRINT_PREF "error: verify 0xff failed at "
+ pr_err("error: verify 0xff failed at "
"%#llx\n", (long long)addr);
errcnt += 1;
}
int err;
unsigned int i;
- printk(PRINT_PREF "verifying all eraseblocks for 0xff\n");
+ pr_info("verifying all eraseblocks for 0xff\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;
}
loff_t addr = ebnum * mtd->erasesize;
int ret;
- ret = mtd->block_isbad(mtd, addr);
+ 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 = kzalloc(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, subpage size %u, count of eraseblocks %u, "
"pages per eraseblock %u, OOB size %u\n",
(unsigned long long)mtd->size, mtd->erasesize,
bufsize = subpgsize * 32;
writebuf = kmalloc(bufsize, GFP_KERNEL);
if (!writebuf) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_info("error: cannot allocate memory\n");
goto out;
}
readbuf = kmalloc(bufsize, GFP_KERNEL);
if (!readbuf) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_info("error: cannot allocate memory\n");
goto out;
}
if (err)
goto out;
- printk(PRINT_PREF "writing whole device\n");
+ pr_info("writing whole device\n");
simple_srand(1);
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
if (unlikely(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();
}
- printk(PRINT_PREF "written %u eraseblocks\n", i);
+ pr_info("written %u eraseblocks\n", i);
simple_srand(1);
- printk(PRINT_PREF "verifying all eraseblocks\n");
+ pr_info("verifying all eraseblocks\n");
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
continue;
if (unlikely(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);
err = erase_whole_device();
if (err)
/* Write all eraseblocks */
simple_srand(3);
- printk(PRINT_PREF "writing whole device\n");
+ pr_info("writing whole device\n");
for (i = 0; i < ebcnt; ++i) {
if (bbt[i])
continue;
if (unlikely(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();
}
- printk(PRINT_PREF "written %u eraseblocks\n", i);
+ pr_info("written %u eraseblocks\n", i);
/* 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 (unlikely(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);
err = erase_whole_device();
if (err)
if (err)
goto out;
- printk(PRINT_PREF "finished with %d errors\n", errcnt);
+ pr_info("finished with %d errors\n", errcnt);
out:
kfree(bbt);
kfree(writebuf);
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;
}