mtd: nand: supress 'unknown NAND' warning if no nand is found

This printk was added recently and results in ugly output on systems
with no NAND:

NAND:  nand_get_flash_type: unknown NAND device: Manufacturer ID: 0x00, Chip ID: 0x00 0 MiB

instead of:

NAND:  0 MiB

Signed-off-by: Steve Sakoman <steve@sakoman.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Steve Sakoman 2010-08-19 20:14:01 -07:00 committed by Sandeep Paulraj
parent 3667cbeed5
commit 4c468397cf

View File

@ -2653,9 +2653,12 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
}
if (!type) {
printk(KERN_INFO "%s: unknown NAND device: Manufacturer ID:"
" 0x%02x, Chip ID: 0x%02x\n", __func__,
*maf_id, dev_id);
/* supress warning if there is no nand */
if (*maf_id != 0x00 && *maf_id != 0xff &&
dev_id != 0x00 && dev_id != 0xff)
printk(KERN_INFO "%s: unknown NAND device: "
"Manufacturer ID: 0x%02x, Chip ID: 0x%02x\n",
__func__, *maf_id, dev_id);
return ERR_PTR(-ENODEV);
}