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authorMatthieu CASTET <matthieu.castet@parrot.com>2011-06-26 18:26:55 +0200
committerJason Liu <r64343@freescale.com>2012-11-01 17:26:16 +0800
commitdfe8449c909e98818f563c1954022db49b2863a2 (patch)
tree20d4c3b258b2e6366c785cd94cf85fec06599342
parent577d0d5a8cc90a86a0421b593c4de5c3451bb02c (diff)
mtd: nand_flash_detect_onfi propagate busw info
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> Signed-off-by: Huang Shijie <b32955@freescale.com>
-rw-r--r--drivers/mtd/nand/nand_base.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index f016d0fc0d63..ccad911979fd 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2855,7 +2855,7 @@ 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;
@@ -2910,9 +2910,9 @@ 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 |
@@ -2978,7 +2978,7 @@ 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;
}