[U-Boot] [PATCH 1/2] cmd_nand: dump: Align data and OOB buffers
Simon Glass
sjg at chromium.org
Tue Jul 31 09:00:14 CEST 2012
+Scott
On Tue, Jul 31, 2012 at 7:21 AM, Thierry Reding
<thierry.reding at avionic-design.de> 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>
Acked-by: Simon Glass <sjg at chromium.org>
> ---
> 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;
> --
> 1.7.11.3
>
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