Re: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND

Huang Shijie
2013-12-13T07:56:00Z

On Fri, Dec 13, 2013 at 05:03:49AM +0000, Caizhiyong wrote:
> From: Cai Zhiyong <caizhiyong@huawei.com>
> Date: Fri, 13 Dec 2013 12:52:46 +0800
> Subject: [PATCH] mtd: increase max page/OOB size to support 16K pagesize NAND.
>
> The Toshiba's TC58TEG5DCJTA pagesize is 16K, oob size is 1280 bytes.
> So increase the NAND_MAX_OOBSIZE and NAND_MAX_PAGESIZE.
>
> Signed-off-by: Cai Zhiyong <caizhiyong@huawei.com>
> ---
> include/linux/mtd/nand.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
> index f3ea8da..2f0a7f2 100644
> --- a/include/linux/mtd/nand.h
> +++ b/include/linux/mtd/nand.h
> @@ -56,8 +56,8 @@ extern int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len);
> * is supported now. If you add a chip with bigger oobsize/page
> * adjust this accordingly.
> */
> -#define NAND_MAX_OOBSIZE 744
> -#define NAND_MAX_PAGESIZE 8192
> +#define NAND_MAX_OOBSIZE 1280
> +#define NAND_MAX_PAGESIZE 16384
maybe it is time to remove these two macros.

thanks
Huang Shijie