[U-Boot] [PATCH 1/2] cmd_nand: dump: Align data and OOB buffers

[Stephen Warren]

On 07/31/2012 12:21 AM, Thierry Reding wrote:
> In order for cache invalidation and flushing to work properly, the data
> and OOB buffers must be aligned to full cache lines.
> 
> Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>

You probably want to CC the NAND maintainer, Scott Wood (I have here) so
he can ack this or apply it.

> ---
>  common/cmd_nand.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/common/cmd_nand.c b/common/cmd_nand.c
> index a91ccf4..4367f5a 100644
> --- a/common/cmd_nand.c
> +++ b/common/cmd_nand.c
> @@ -48,8 +48,8 @@ static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
>  
>  	last = off;
>  
> -	datbuf = malloc(nand->writesize);
> -	oobbuf = malloc(nand->oobsize);
> +	datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize);
> +	oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize);
>  	if (!datbuf || !oobbuf) {
>  		puts("No memory for page buffer\n");
>  		return 1;