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path: root/drivers/mtd/tests/mtd_pagetest.c
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Diffstat (limited to 'drivers/mtd/tests/mtd_pagetest.c')
-rw-r--r--drivers/mtd/tests/mtd_pagetest.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/drivers/mtd/tests/mtd_pagetest.c b/drivers/mtd/tests/mtd_pagetest.c
index 00b937e..afafb69 100644
--- a/drivers/mtd/tests/mtd_pagetest.c
+++ b/drivers/mtd/tests/mtd_pagetest.c
@@ -30,7 +30,7 @@
#define PRINT_PREF KERN_INFO "mtd_pagetest: "
-static int dev;
+static int dev = -EINVAL;
module_param(dev, int, S_IRUGO);
MODULE_PARM_DESC(dev, "MTD device number to use");
@@ -128,7 +128,7 @@ static int verify_eraseblock(int ebnum)
for (j = 0; j < pgcnt - 1; ++j, addr += pgsize) {
/* Do a read to set the internal dataRAMs to different data */
err = mtd->read(mtd, addr0, bufsize, &read, twopages);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -136,7 +136,7 @@ static int verify_eraseblock(int ebnum)
return err;
}
err = mtd->read(mtd, addrn - bufsize, bufsize, &read, twopages);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -146,7 +146,7 @@ static int verify_eraseblock(int ebnum)
memset(twopages, 0, bufsize);
read = 0;
err = mtd->read(mtd, addr, bufsize, &read, twopages);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -164,7 +164,7 @@ static int verify_eraseblock(int ebnum)
unsigned long oldnext = next;
/* Do a read to set the internal dataRAMs to different data */
err = mtd->read(mtd, addr0, bufsize, &read, twopages);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -172,7 +172,7 @@ static int verify_eraseblock(int ebnum)
return err;
}
err = mtd->read(mtd, addrn - bufsize, bufsize, &read, twopages);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -182,7 +182,7 @@ static int verify_eraseblock(int ebnum)
memset(twopages, 0, bufsize);
read = 0;
err = mtd->read(mtd, addr, bufsize, &read, twopages);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != bufsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -231,7 +231,7 @@ static int crosstest(void)
read = 0;
addr = addrn - pgsize - pgsize;
err = mtd->read(mtd, addr, pgsize, &read, pp1);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -244,7 +244,7 @@ static int crosstest(void)
read = 0;
addr = addrn - pgsize - pgsize - pgsize;
err = mtd->read(mtd, addr, pgsize, &read, pp1);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -258,7 +258,7 @@ static int crosstest(void)
addr = addr0;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp2);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -272,7 +272,7 @@ static int crosstest(void)
addr = addrn - pgsize;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp3);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -286,7 +286,7 @@ static int crosstest(void)
addr = addr0;
printk(PRINT_PREF "reading page at %#llx\n", (long long)addr);
err = mtd->read(mtd, addr, pgsize, &read, pp4);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -345,7 +345,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
memset(readbuf, 0, pgsize);
err = mtd->read(mtd, addr0, pgsize, &read, readbuf);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -383,7 +383,7 @@ static int erasecrosstest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
memset(readbuf, 0, pgsize);
err = mtd->read(mtd, addr0, pgsize, &read, readbuf);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -439,7 +439,7 @@ static int erasetest(void)
printk(PRINT_PREF "reading 1st page of block %d\n", ebnum);
err = mtd->read(mtd, addr0, pgsize, &read, twopages);
- if (err == -EUCLEAN)
+ if (mtd_is_bitflip(err))
err = 0;
if (err || read != pgsize) {
printk(PRINT_PREF "error: read failed at %#llx\n",
@@ -504,6 +504,13 @@ static int __init mtd_pagetest_init(void)
printk(KERN_INFO "\n");
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");
+ return -EINVAL;
+ }
+
printk(PRINT_PREF "MTD device: %d\n", dev);
mtd = get_mtd_device(NULL, dev);