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mtd: nand_flash_detect_onfi propagate busw info

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there is a bug in nand_flash_detect_onfi, busw need to be passed
by pointer to return it.

Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <dedekind1@gmail.com>
This commit is contained in:
Matthieu CASTET 2011-06-26 18:26:55 +02:00 committed by Artem Bityutskiy
parent c478d7e449
commit 08c248fbe2
1 changed files with 4 additions and 4 deletions
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8
drivers/mtd/nand/nand_base.c
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@ -2824,7 +2824,7 @@ static u16 onfi_crc16(u16 crc, u8 const *p, size_t len)
* Check if the NAND chip is ONFI compliant, returns 1 if it is, 0 otherwise.
*/
static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
int busw)
int *busw)
{
struct nand_onfi_params *p = &chip->onfi_params;
int i;
@ -2879,9 +2879,9 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize;
mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize;
busw = 0;
*busw = 0;
if (le16_to_cpu(p->features) & 1)
busw = NAND_BUSWIDTH_16;
*busw = NAND_BUSWIDTH_16;
chip->options &= ~NAND_CHIPOPTIONS_MSK;
chip->options |= (NAND_NO_READRDY |
@ -2948,7 +2948,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
chip->onfi_version = 0;
if (!type->name || !type->pagesize) {
/* Check is chip is ONFI compliant */
ret = nand_flash_detect_onfi(mtd, chip, busw);
ret = nand_flash_detect_onfi(mtd, chip, &busw);
if (ret)
goto ident_done;
}