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 --- drivers/mtd/nand/nand_base.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index ed1c9c9..7d17846 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -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); }