Re: [PATCH net-next 07/10] net: stmmac: Enable support for > 32 Bits addressing in XGMAC

[Andrew Lunn]

> +
> +     if (priv->dma_cap.addr64) {
> +             ret = dma_set_mask_and_coherent(device,
> +                             DMA_BIT_MASK(priv->dma_cap.addr64));
> +             if (!ret)
> +                     dev_info(priv->device, "Using %d bits DMA width\n",
> +                              priv->dma_cap.addr64);
> +     }

Hi Jose

If dma_set_mask_and_coherent() fails, i think you are supposed to fall
back to 32 bits. So you might want to clear priv->dma_cap.addr64.

But don't trust my, i could be wrong.

    Andrew