Updated from Linux LTS 3.10.21 to 3.10.22
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@@ -2904,10 +2904,21 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
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sanitize_string(p->model, sizeof(p->model));
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if (!mtd->name)
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mtd->name = p->model;
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mtd->writesize = le32_to_cpu(p->byte_per_page);
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mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize;
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/*
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* pages_per_block and blocks_per_lun may not be a power-of-2 size
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* (don't ask me who thought of this...). MTD assumes that these
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* dimensions will be power-of-2, so just truncate the remaining area.
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*/
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mtd->erasesize = 1 << (fls(le32_to_cpu(p->pages_per_block)) - 1);
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mtd->erasesize *= mtd->writesize;
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mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
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chip->chipsize = le32_to_cpu(p->blocks_per_lun);
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/* See erasesize comment */
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chip->chipsize = 1 << (fls(le32_to_cpu(p->blocks_per_lun)) - 1);
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chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count;
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*busw = 0;
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if (le16_to_cpu(p->features) & 1)
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