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mtd: nand: onfi don't WARN if we are in 16 bits mode 

Commit ff3206b245 ('mtd: nand: onfi need 
to be probed in 8 bits mode') adds a WARN if the onfi probe is in 16 
bits mode. This allows to detect driver that need to be fixed, but this 
is a bit noisy¹. Transform the WARN in a pr_err.

¹ http://article.gmane.org/gmane.linux.ports.arm.omap/91317

Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Matthieu CASTET 2013-01-16 15:25:45 +01:00 committed by David Woodhouse
parent 7dfe4be351
commit 0ce82b7f7b
1 changed files with 5 additions and 2 deletions
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7
drivers/mtd/nand/nand_base.c
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@ -2857,8 +2857,11 @@ 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);
/* ONFI need to be probed in 8 bits mode, and 16 bits should be selected with NAND_BUSWIDTH_AUTO */
if (chip->options & NAND_BUSWIDTH_16) {
pr_err("Trying ONFI probe in 16 bits mode, aborting !\n");
return 0;
}
/* 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' ||