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path: root/drivers/mtd/mtdoops.c
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Diffstat (limited to 'drivers/mtd/mtdoops.c')
-rw-r--r--drivers/mtd/mtdoops.c47
1 files changed, 24 insertions, 23 deletions
diff --git a/drivers/mtd/mtdoops.c b/drivers/mtd/mtdoops.c
index 1e2fa623670..3ce99e00a49 100644
--- a/drivers/mtd/mtdoops.c
+++ b/drivers/mtd/mtdoops.c
@@ -112,7 +112,7 @@ static int mtdoops_erase_block(struct mtdoops_context *cxt, int offset)
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&wait_q, &wait);
- ret = mtd->erase(mtd, &erase);
+ ret = mtd_erase(mtd, &erase);
if (ret) {
set_current_state(TASK_RUNNING);
remove_wait_queue(&wait_q, &wait);
@@ -169,8 +169,8 @@ static void mtdoops_workfunc_erase(struct work_struct *work)
cxt->nextpage = 0;
}
- while (mtd->block_isbad) {
- ret = mtd->block_isbad(mtd, cxt->nextpage * record_size);
+ while (mtd_can_have_bb(mtd)) {
+ ret = mtd_block_isbad(mtd, cxt->nextpage * record_size);
if (!ret)
break;
if (ret < 0) {
@@ -199,8 +199,8 @@ badblock:
return;
}
- if (mtd->block_markbad && ret == -EIO) {
- ret = mtd->block_markbad(mtd, cxt->nextpage * record_size);
+ if (mtd_can_have_bb(mtd) && ret == -EIO) {
+ ret = mtd_block_markbad(mtd, cxt->nextpage * record_size);
if (ret < 0) {
printk(KERN_ERR "mtdoops: block_markbad failed, aborting\n");
return;
@@ -221,12 +221,16 @@ static void mtdoops_write(struct mtdoops_context *cxt, int panic)
hdr[0] = cxt->nextcount;
hdr[1] = MTDOOPS_KERNMSG_MAGIC;
- if (panic)
- ret = mtd->panic_write(mtd, cxt->nextpage * record_size,
- record_size, &retlen, cxt->oops_buf);
- else
- ret = mtd->write(mtd, cxt->nextpage * record_size,
- record_size, &retlen, cxt->oops_buf);
+ if (panic) {
+ ret = mtd_panic_write(mtd, cxt->nextpage * record_size,
+ record_size, &retlen, cxt->oops_buf);
+ if (ret == -EOPNOTSUPP) {
+ printk(KERN_ERR "mtdoops: Cannot write from panic without panic_write\n");
+ return;
+ }
+ } else
+ ret = mtd_write(mtd, cxt->nextpage * record_size,
+ record_size, &retlen, cxt->oops_buf);
if (retlen != record_size || ret < 0)
printk(KERN_ERR "mtdoops: write failure at %ld (%td of %ld written), error %d\n",
@@ -253,10 +257,13 @@ static void find_next_position(struct mtdoops_context *cxt)
size_t retlen;
for (page = 0; page < cxt->oops_pages; page++) {
+ if (mtd_can_have_bb(mtd) &&
+ mtd_block_isbad(mtd, page * record_size))
+ continue;
/* Assume the page is used */
mark_page_used(cxt, page);
- ret = mtd->read(mtd, page * record_size, MTDOOPS_HEADER_SIZE,
- &retlen, (u_char *) &count[0]);
+ ret = mtd_read(mtd, page * record_size, MTDOOPS_HEADER_SIZE,
+ &retlen, (u_char *)&count[0]);
if (retlen != MTDOOPS_HEADER_SIZE ||
(ret < 0 && !mtd_is_bitflip(ret))) {
printk(KERN_ERR "mtdoops: read failure at %ld (%td of %d read), err %d\n",
@@ -308,8 +315,7 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper,
char *dst;
if (reason != KMSG_DUMP_OOPS &&
- reason != KMSG_DUMP_PANIC &&
- reason != KMSG_DUMP_KEXEC)
+ reason != KMSG_DUMP_PANIC)
return;
/* Only dump oopses if dump_oops is set */
@@ -327,13 +333,8 @@ static void mtdoops_do_dump(struct kmsg_dumper *dumper,
memcpy(dst + l1_cpy, s2 + s2_start, l2_cpy);
/* Panics must be written immediately */
- if (reason != KMSG_DUMP_OOPS) {
- if (!cxt->mtd->panic_write)
- printk(KERN_ERR "mtdoops: Cannot write from panic without panic_write\n");
- else
- mtdoops_write(cxt, 1);
- return;
- }
+ if (reason != KMSG_DUMP_OOPS)
+ mtdoops_write(cxt, 1);
/* For other cases, schedule work to write it "nicely" */
schedule_work(&cxt->work_write);
@@ -369,7 +370,7 @@ static void mtdoops_notify_add(struct mtd_info *mtd)
/* oops_page_used is a bit field */
cxt->oops_page_used = vmalloc(DIV_ROUND_UP(mtdoops_pages,
- BITS_PER_LONG));
+ BITS_PER_LONG) * sizeof(unsigned long));
if (!cxt->oops_page_used) {
printk(KERN_ERR "mtdoops: could not allocate page array\n");
return;