[U-Boot] [PATCH V2 08/11] mtd: nand: supress 'unknown NAND' warning if no nand is found
Paulraj, Sandeep
s-paulraj at ti.com
Sat Sep 4 19:38:34 CEST 2010
>
> 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 at sakoman.com>
Steve,
A proper patch would be very much appreciated instead of an updated patch within an e-mail chain.
Scott,
Is it ok if I add this to my tree?
Its part of a 11 patch series and a total of some 20 patches submitted by Steve
> ---
> drivers/mtd/nand/nand_base.c | 7 +++++--
> 1 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> index ed1c9c9..b2400dd 100644
> --- a/drivers/mtd/nand/nand_base.c
> +++ b/drivers/mtd/nand/nand_base.c
> @@ -2653,8 +2653,11 @@ 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__,
> + /* 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);
> }
> --
> 1.7.0.4
Regards,
Sandeep
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