diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 1 | ||||
| -rw-r--r-- | drivers/mtd/mtdcore.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index a482e8922de1..702ae4cd8691 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -212,6 +212,7 @@ static void fixup_use_atmel_lock(struct mtd_info *mtd, void *param) { mtd->lock = cfi_atmel_lock; mtd->unlock = cfi_atmel_unlock; + mtd->flags |= MTD_STUPID_LOCK; } static struct cfi_fixup cfi_fixup_table[] = { diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 168d3ba063c3..c4d26de74349 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -57,6 +57,16 @@ int add_mtd_device(struct mtd_info *mtd) mtd->index = i; mtd->usecount = 0; + /* Some chips always power up locked. Unlock them now */ + if ((mtd->flags & MTD_WRITEABLE) + && (mtd->flags & MTD_STUPID_LOCK) && mtd->unlock) { + if (mtd->unlock(mtd, 0, mtd->size)) + printk(KERN_WARNING + "%s: unlock failed, " + "writes may not work\n", + mtd->name); + } + DEBUG(0, "mtd: Giving out device %d to %s\n",i, mtd->name); /* No need to get a refcount on the module containing the notifier, since we hold the mtd_table_mutex */ |