diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index fa286a8..52f8575 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2461,20 +2461,24 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, /* check version */ val = le16_to_cpu(p->revision); - if (val == 1 || val > (1 << 4)) { - printk(KERN_INFO "%s: unsupported ONFI " - "version: %d\n", __func__, val); - return 0; - } - - if (val & (1 << 4)) + if (val & (1 << 5)) + chip->onfi_version = 23; + else if (val & (1 << 4)) chip->onfi_version = 22; else if (val & (1 << 3)) chip->onfi_version = 21; else if (val & (1 << 2)) chip->onfi_version = 20; - else + else if (val & (1 << 1)) chip->onfi_version = 10; + else + chip->onfi_version = 0; + + if (!chip->onfi_version) { + printk(KERN_INFO "%s: unsupported ONFI " + "version: %d\n", __func__, val); + return 0; + } if (!mtd->name) mtd->name = p->model; @@ -2482,7 +2486,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, mtd->writesize = le32_to_cpu(p->byte_per_page); mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize; mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page); - chip->chipsize = le32_to_cpu(p->blocks_per_lun) * mtd->erasesize; + chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize; *busw = 0; if (le16_to_cpu(p->features) & 1) *busw = NAND_BUSWIDTH_16; |