Commit ff3206b2 authored Nov 06, 2012 by Matthieu CASTET Committed by Artem Bityutskiy Dec 03, 2012

mtd: nand: onfi need to be probed in 8 bits mode



- NAND_CMD_READID want an address that it is not scaled on x16 device (it is always 0x20)
- NAND_CMD_PARAM want 8 bits data

Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

parent 64b37b2a

drivers/mtd/nand/nand_base.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -2857,6 +2857,8 @@ static int nand_flash_detect_onfi(struct mtd_info mtd, struct nand_chip chip,
		int i;
		int val;

		/* ONFI need to be probed in 8 bits mode */
		WARN_ON(chip->options & NAND_BUSWIDTH_16);
		/* Try ONFI for unknown chip or LP */
		chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1);
		if (chip->read_byte(mtd) != 'O' \|\| chip->read_byte(mtd) != 'N' \|\|