[U-Boot] [PATCH 6/6] IXP: Fix NAND build warning on PDNB3 and SCPU

[Scott Wood <scottwood@freescale.com>]

On 03/05/2012 06:13 PM, Marek Vasut wrote:
> nand.c: In function ?pdnb3_nand_read_buf?:
> nand.c:107:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
> nand.c: In function ?pdnb3_nand_dev_ready?:
> nand.c:124:18: warning: variable ?val? set but not used [-Wunused-but-set-variable]
> 
> Signed-off-by: Marek Vasut <marex@denx.de>
> Cc: Bryan Hundven <bryanhundven@gmail.com>
> Cc: Michael Schwingen <rincewind@discworld.dascon.de>
> ---
>  board/prodrive/pdnb3/nand.c |    9 ++++++---
>  1 files changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/board/prodrive/pdnb3/nand.c b/board/prodrive/pdnb3/nand.c
> index 2efe027..656fafe 100644
> --- a/board/prodrive/pdnb3/nand.c
> +++ b/board/prodrive/pdnb3/nand.c
> @@ -100,11 +100,14 @@ static void pdnb3_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
>  		for (i = 0; i < len; i++)
>  			buf[i] = readb(&(pdnb3_ndfc->data));
>  	} else {
> -		ulong *ptr = (ulong *)buf;
> +		uint32_t data;
>  		int count = len >> 2;
>  
> -		for (i = 0; i < count; i++)
> -			*ptr++ = readl(&(pdnb3_ndfc->data));
> +		for (i = 0; i < count; i++) {
> +			data = readl(&pdnb3_ndfc->data);
> +			memcpy(buf, &data, 4);
> +			buf += 4;
> +		}
>  	}
>  }
>  

Any reason this isn't in drivers/mtd/nand?

-Scott