[U-Boot] [PATCHv3 1/5] mtd: nand: add initialization flag

[york sun]

On 03/17/2017 01:27 AM, Zhiqiang Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
>
> Add initialization flag to avoid initializing NAND Flash multiple
> times, otherwise it will calculate a wrong total size.
>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou at nxp.com>
> ---
> V3:
>  - no change
>
>  drivers/mtd/nand/nand.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/nand.c
> index 0551241..3ea2dcf 100644
> --- a/drivers/mtd/nand/nand.c
> +++ b/drivers/mtd/nand/nand.c
> @@ -133,6 +133,16 @@ static void create_mtd_concat(void)
>
>  void nand_init(void)
>  {
> +	static int initialized;
> +
> +	/*
> +	 * Avoid initializing NAND Flash multiple times,
> +	 * otherwise it will calculate a wrong total size.
> +	 */
> +	if (initialized)
> +		return;
> +	initialized = 1;
> +
>  #ifdef CONFIG_SYS_NAND_SELF_INIT
>  	board_nand_init();
>  #else
>

Scott,

Are you OK with this one and #2 in this set? If so, I am going to bring 
them in.

York