[U-Boot] [PATCH v2] NAND: show manufacturer and device ID for unknown chips
Florian Fainelli
florian at openwrt.org
Thu Jun 24 11:56:33 CEST 2010
Hey Scott,
On Wednesday 23 June 2010 23:53:01 Scott Wood wrote:
> From: Florian Fainelli <florian at openwrt.org>
>
> When the NAND part is not supported, it is useful to show the manufacturer
> and device ID to help debugging and reporting.
>
> Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
> Signed-off-by: Scott Wood <scottwood at freescale.com>
> ---
> Whitespace amended to be consistent with rest of file.
Thanks, I was just about to respin it.
>
> Applied to u-boot-nand-flash next.
>
> drivers/mtd/nand/nand_base.c | 6 +++++-
> 1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> index 7171bdd..ed1c9c9 100644
> --- a/drivers/mtd/nand/nand_base.c
> +++ b/drivers/mtd/nand/nand_base.c
> @@ -2652,8 +2652,12 @@ static struct nand_flash_dev
> *nand_get_flash_type(struct mtd_info *mtd, }
> }
>
> - if (!type)
> + if (!type) {
> + 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);
> + }
>
> if (!mtd->name)
> mtd->name = type->name;
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