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mtd: nand: parse out the JEDEC compliant NAND

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This patch adds the parsing code for the JEDEC compliant NAND.

Since we need the 0x40 as the column address, this patch also
makes the NAND_CMD_PARAM to use the 8-bit address only.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Huang Shijie
2014-02-21 13:39:40 +08:00
committed by Brian Norris
parent 7852f8962f
commit 913618185e
2 changed files with 86 additions and 1 deletions
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include/linux/mtd/nand.h
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@ -925,7 +925,7 @@ static inline bool nand_is_slc(struct nand_chip *chip)
*/
static inline int nand_opcode_8bits(unsigned int command)
{
return command == NAND_CMD_READID;
return command == NAND_CMD_READID || command == NAND_CMD_PARAM;
}
/* return the supported JEDEC features. */