[U-Boot] [PATCH 1/2] NAND: show manufacturer and device ID for unknown chips

Florian Fainelli f.fainelli at gmail.com
Sun Jun 20 15:40:55 CEST 2010


Le Saturday 12 June 2010 20:59:25, Florian Fainelli a écrit :
> 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>

Scott, anything from with the patch? Thanks!

> ---
> diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> index 7171bdd..c1657de 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;

-- 
Florian


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