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NAND: Correct the "chip_shift" calculation

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This patch updates the "chip_shift" calculation in the
NAND driver. This is being done to sync up the NAND driver with
the kernel NAND driver.

Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Sandeep Paulraj 2009-11-07 14:24:06 -05:00 committed by Scott Wood
parent aaa8eec532
commit 4f41e7ea1a
1 changed files with 1 additions and 1 deletions
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drivers/mtd/nand/nand_base.c
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@ -2628,7 +2628,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
chip->bbt_erase_shift = chip->phys_erase_shift =
ffs(mtd->erasesize) - 1;
if (chip->chipsize & 0xffffffff)
chip->chip_shift = ffs(chip->chipsize) - 1;
chip->chip_shift = ffs((unsigned)chip->chipsize) - 1;
else
chip->chip_shift = ffs((unsigned)(chip->chipsize >> 32)) + 31;