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path: root/drivers/mtd/tests/mtd_torturetest.c
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Diffstat (limited to 'drivers/mtd/tests/mtd_torturetest.c')
-rw-r--r--drivers/mtd/tests/mtd_torturetest.c73
1 files changed, 37 insertions, 36 deletions
diff --git a/drivers/mtd/tests/mtd_torturetest.c b/drivers/mtd/tests/mtd_torturetest.c
index b65861bc7b8e..c4cde1e9eddb 100644
--- a/drivers/mtd/tests/mtd_torturetest.c
+++ b/drivers/mtd/tests/mtd_torturetest.c
@@ -23,6 +23,8 @@
* damage caused by this program.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/init.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -31,7 +33,6 @@
#include <linux/slab.h>
#include <linux/sched.h>
-#define PRINT_PREF KERN_INFO "mtd_torturetest: "
#define RETRIES 3
static int eb = 8;
@@ -107,12 +108,12 @@ static inline 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",
+ pr_err("some erase error occurred at EB %d\n",
ebnum);
return -EIO;
}
@@ -139,40 +140,40 @@ static inline int check_eraseblock(int ebnum, unsigned char *buf)
retry:
err = mtd_read(mtd, addr, len, &read, check_buf);
if (mtd_is_bitflip(err))
- printk(PRINT_PREF "single bit flip occurred at EB %d "
+ pr_err("single bit flip occurred at EB %d "
"MTD reported that it was fixed.\n", ebnum);
else if (err) {
- printk(PRINT_PREF "error %d while reading EB %d, "
+ pr_err("error %d while reading EB %d, "
"read %zd\n", err, ebnum, read);
return err;
}
if (read != len) {
- printk(PRINT_PREF "failed to read %zd bytes from EB %d, "
+ pr_err("failed to read %zd bytes from EB %d, "
"read only %zd, but no error reported\n",
len, ebnum, read);
return -EIO;
}
if (memcmp(buf, check_buf, len)) {
- printk(PRINT_PREF "read wrong data from EB %d\n", ebnum);
+ pr_err("read wrong data from EB %d\n", ebnum);
report_corrupt(check_buf, buf);
if (retries++ < RETRIES) {
/* Try read again */
yield();
- printk(PRINT_PREF "re-try reading data from EB %d\n",
+ pr_info("re-try reading data from EB %d\n",
ebnum);
goto retry;
} else {
- printk(PRINT_PREF "retried %d times, still errors, "
+ pr_info("retried %d times, still errors, "
"give-up\n", RETRIES);
return -EINVAL;
}
}
if (retries != 0)
- printk(PRINT_PREF "only attempt number %d was OK (!!!)\n",
+ pr_info("only attempt number %d was OK (!!!)\n",
retries);
return 0;
@@ -191,12 +192,12 @@ static inline int write_pattern(int ebnum, void *buf)
}
err = mtd_write(mtd, addr, len, &written, buf);
if (err) {
- printk(PRINT_PREF "error %d while writing EB %d, written %zd"
+ pr_err("error %d while writing EB %d, written %zd"
" bytes\n", err, ebnum, written);
return err;
}
if (written != len) {
- printk(PRINT_PREF "written only %zd bytes of %zd, but no error"
+ pr_info("written only %zd bytes of %zd, but no error"
" reported\n", written, len);
return -EIO;
}
@@ -211,64 +212,64 @@ static int __init tort_init(void)
printk(KERN_INFO "\n");
printk(KERN_INFO "=================================================\n");
- printk(PRINT_PREF "Warning: this program is trying to wear out your "
+ pr_info("Warning: this program is trying to wear out your "
"flash, stop it if this is not wanted.\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);
- printk(PRINT_PREF "torture %d eraseblocks (%d-%d) of mtd%d\n",
+ pr_info("MTD device: %d\n", dev);
+ pr_info("torture %d eraseblocks (%d-%d) of mtd%d\n",
ebcnt, eb, eb + ebcnt - 1, dev);
if (pgcnt)
- printk(PRINT_PREF "torturing just %d pages per eraseblock\n",
+ pr_info("torturing just %d pages per eraseblock\n",
pgcnt);
- printk(PRINT_PREF "write verify %s\n", check ? "enabled" : "disabled");
+ pr_info("write verify %s\n", check ? "enabled" : "disabled");
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->writesize == 1) {
- printk(PRINT_PREF "not NAND flash, assume page size is 512 "
+ pr_info("not NAND flash, assume page size is 512 "
"bytes.\n");
pgsize = 512;
} else
pgsize = mtd->writesize;
if (pgcnt && (pgcnt > mtd->erasesize / pgsize || pgcnt < 0)) {
- printk(PRINT_PREF "error: invalid pgcnt value %d\n", pgcnt);
+ pr_err("error: invalid pgcnt value %d\n", pgcnt);
goto out_mtd;
}
err = -ENOMEM;
patt_5A5 = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!patt_5A5) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_err("error: cannot allocate memory\n");
goto out_mtd;
}
patt_A5A = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!patt_A5A) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_err("error: cannot allocate memory\n");
goto out_patt_5A5;
}
patt_FF = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!patt_FF) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_err("error: cannot allocate memory\n");
goto out_patt_A5A;
}
check_buf = kmalloc(mtd->erasesize, GFP_KERNEL);
if (!check_buf) {
- printk(PRINT_PREF "error: cannot allocate memory\n");
+ pr_err("error: cannot allocate memory\n");
goto out_patt_FF;
}
@@ -295,13 +296,13 @@ static int __init tort_init(void)
err = mtd_block_isbad(mtd, (loff_t)i * mtd->erasesize);
if (err < 0) {
- printk(PRINT_PREF "block_isbad() returned %d "
+ pr_info("block_isbad() returned %d "
"for EB %d\n", err, i);
goto out;
}
if (err) {
- printk("EB %d is bad. Skip it.\n", i);
+ pr_err("EB %d is bad. Skip it.\n", i);
bad_ebs[i - eb] = 1;
}
}
@@ -329,7 +330,7 @@ static int __init tort_init(void)
continue;
err = check_eraseblock(i, patt_FF);
if (err) {
- printk(PRINT_PREF "verify failed"
+ pr_info("verify failed"
" for 0xFF... pattern\n");
goto out;
}
@@ -362,7 +363,7 @@ static int __init tort_init(void)
patt = patt_A5A;
err = check_eraseblock(i, patt);
if (err) {
- printk(PRINT_PREF "verify failed for %s"
+ pr_info("verify failed for %s"
" pattern\n",
((eb + erase_cycles) & 1) ?
"0x55AA55..." : "0xAA55AA...");
@@ -380,7 +381,7 @@ static int __init tort_init(void)
stop_timing();
ms = (finish.tv_sec - start.tv_sec) * 1000 +
(finish.tv_usec - start.tv_usec) / 1000;
- printk(PRINT_PREF "%08u erase cycles done, took %lu "
+ pr_info("%08u erase cycles done, took %lu "
"milliseconds (%lu seconds)\n",
erase_cycles, ms, ms / 1000);
start_timing();
@@ -391,7 +392,7 @@ static int __init tort_init(void)
}
out:
- printk(PRINT_PREF "finished after %u erase cycles\n",
+ pr_info("finished after %u erase cycles\n",
erase_cycles);
kfree(check_buf);
out_patt_FF:
@@ -403,7 +404,7 @@ out_patt_5A5:
out_mtd:
put_mtd_device(mtd);
if (err)
- printk(PRINT_PREF "error %d occurred during torturing\n", err);
+ pr_info("error %d occurred during torturing\n", err);
printk(KERN_INFO "=================================================\n");
return err;
}
@@ -441,9 +442,9 @@ static void report_corrupt(unsigned char *read, unsigned char *written)
&bits) >= 0)
pages++;
- printk(PRINT_PREF "verify fails on %d pages, %d bytes/%d bits\n",
+ pr_info("verify fails on %d pages, %d bytes/%d bits\n",
pages, bytes, bits);
- printk(PRINT_PREF "The following is a list of all differences between"
+ pr_info("The following is a list of all differences between"
" what was read from flash and what was expected\n");
for (i = 0; i < check_len; i += pgsize) {
@@ -457,7 +458,7 @@ static void report_corrupt(unsigned char *read, unsigned char *written)
printk("-------------------------------------------------------"
"----------------------------------\n");
- printk(PRINT_PREF "Page %zd has %d bytes/%d bits failing verify,"
+ pr_info("Page %zd has %d bytes/%d bits failing verify,"
" starting at offset 0x%x\n",
(mtd->erasesize - check_len + i) / pgsize,
bytes, bits, first);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.