diff options
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 18 | ||||
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0002.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/cmdlinepart.c | 9 | ||||
| -rw-r--r-- | drivers/mtd/mtdcore.c | 2 | ||||
| -rw-r--r-- | include/mtd/mtd-abi.h | 2 |
5 files changed, 23 insertions, 10 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 350671ec522..8189adfefae 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -269,10 +269,16 @@ static void fixup_use_write_buffers(struct mtd_info *mtd, void *param) /* * Some chips power-up with all sectors locked by default. */ -static void fixup_use_powerup_lock(struct mtd_info *mtd, void *param) +static void fixup_unlock_powerup_lock(struct mtd_info *mtd, void *param) { - printk(KERN_INFO "Using auto-unlock on power-up/resume\n" ); - mtd->flags |= MTD_STUPID_LOCK; + struct map_info *map = mtd->priv; + struct cfi_private *cfi = map->fldrv_priv; + struct cfi_pri_intelext *cfip = cfi->cmdset_priv; + + if (cfip->FeatureSupport&32) { + printk(KERN_INFO "Using auto-unlock on power-up/resume\n" ); + mtd->flags |= MTD_POWERUP_LOCK; + } } static struct cfi_fixup cfi_fixup_table[] = { @@ -288,7 +294,7 @@ static struct cfi_fixup cfi_fixup_table[] = { #endif { CFI_MFR_ST, 0x00ba, /* M28W320CT */ fixup_st_m28w320ct, NULL }, { CFI_MFR_ST, 0x00bb, /* M28W320CB */ fixup_st_m28w320cb, NULL }, - { MANUFACTURER_INTEL, 0x891c, fixup_use_powerup_lock, NULL, }, + { MANUFACTURER_INTEL, CFI_ID_ANY, fixup_unlock_powerup_lock, NULL, }, { 0, 0, NULL, NULL } }; @@ -2349,7 +2355,7 @@ static int cfi_intelext_suspend(struct mtd_info *mtd) struct flchip *chip; int ret = 0; - if ((mtd->flags & MTD_STUPID_LOCK) + if ((mtd->flags & MTD_POWERUP_LOCK) && extp && (extp->FeatureSupport & (1 << 5))) cfi_intelext_save_locks(mtd); @@ -2460,7 +2466,7 @@ static void cfi_intelext_resume(struct mtd_info *mtd) spin_unlock(chip->mutex); } - if ((mtd->flags & MTD_STUPID_LOCK) + if ((mtd->flags & MTD_POWERUP_LOCK) && extp && (extp->FeatureSupport & (1 << 5))) cfi_intelext_restore_locks(mtd); } diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 796bfeadea2..d072e87ce4e 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -217,7 +217,7 @@ 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; + mtd->flags |= MTD_POWERUP_LOCK; } static struct cfi_fixup cfi_fixup_table[] = { diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c index 23fab14f163..b44292abd9f 100644 --- a/drivers/mtd/cmdlinepart.c +++ b/drivers/mtd/cmdlinepart.c @@ -9,7 +9,7 @@ * * mtdparts=<mtddef>[;<mtddef] * <mtddef> := <mtd-id>:<partdef>[,<partdef>] - * <partdef> := <size>[@offset][<name>][ro] + * <partdef> := <size>[@offset][<name>][ro][lk] * <mtd-id> := unique name used in mapping driver/device (mtd->name) * <size> := standard linux memsize OR "-" to denote all remaining space * <name> := '(' NAME ')' @@ -143,6 +143,13 @@ static struct mtd_partition * newpart(char *s, s += 2; } + /* if lk is found do NOT unlock the MTD partition*/ + if (strncmp(s, "lk", 2) == 0) + { + mask_flags |= MTD_POWERUP_LOCK; + s += 2; + } + /* test if more partitions are following */ if (*s == ',') { diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 6c2645e2837..f7e7890e5bc 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -61,7 +61,7 @@ int add_mtd_device(struct mtd_info *mtd) /* Some chips always power up locked. Unlock them now */ if ((mtd->flags & MTD_WRITEABLE) - && (mtd->flags & MTD_STUPID_LOCK) && mtd->unlock) { + && (mtd->flags & MTD_POWERUP_LOCK) && mtd->unlock) { if (mtd->unlock(mtd, 0, mtd->size)) printk(KERN_WARNING "%s: unlock failed, " diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h index f71dac42039..615072c4da0 100644 --- a/include/mtd/mtd-abi.h +++ b/include/mtd/mtd-abi.h @@ -29,7 +29,7 @@ struct mtd_oob_buf { #define MTD_WRITEABLE 0x400 /* Device is writeable */ #define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */ #define MTD_NO_ERASE 0x1000 /* No erase necessary */ -#define MTD_STUPID_LOCK 0x2000 /* Always locked after reset */ +#define MTD_POWERUP_LOCK 0x2000 /* Always locked after reset */ // Some common devices / combinations of capabilities #define MTD_CAP_ROM 0 |