[U-Boot] [PATCH 1/3] net/designware: ensure device private data is DMA aligned.

[Marek Vasut]

On Saturday, April 19, 2014 at 03:52:20 PM, Ian Campbell wrote:
> struct dw_eth_dev contains fields which are accessed via DMA, so make sure
> it is aligned to a dma boundary. Without this I see:
>     ERROR: v7_dcache_inval_range - start address is not aligned -
> 0x7fb677e0
> 
> Signed-off-by: Ian Campbell <ian.campbell at citrix.com>
> ---
>  drivers/net/designware.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/designware.c b/drivers/net/designware.c
> index 6ece479..1120f70 100644
> --- a/drivers/net/designware.c
> +++ b/drivers/net/designware.c
> @@ -412,7 +412,8 @@ int designware_initialize(ulong base_addr, u32
> interface) * Since the priv structure contains the descriptors which need
> a strict * buswidth alignment, memalign is used to allocate memory
>  	 */
> -	priv = (struct dw_eth_dev *) memalign(16, sizeof(struct dw_eth_dev));
> +	priv = (struct dw_eth_dev *) memalign(ARCH_DMA_MINALIGN,
> +					      sizeof(struct dw_eth_dev));

Acked-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut