On Mon, Oct 28, 2013 at 05:23:50AM +0800, Barry Song wrote:
> @@ -92,6 +103,13 @@ static int sdhci_sirf_probe(struct platform_device *pdev)
> }
> }
>
> + if (of_machine_is_compatible("sirf,prima2")) {
> + if (pdev->dev.dma_mask)
> + *(pdev->dev.dma_mask) = SZ_256M - 1;
> + pdev->dev.coherent_dma_mask = SZ_256M - 1;
NAK. Please do not directly write to the DMA mask; this is not how DMA
masks should be setup. Please read up on the DMA API and specifically
in this case the dma_set_mask() / dma_set_coherent_mask() functions.
Also note that after the next merge window, those two calls should be
collapsed to dma_set_mask_and_coherent().
Thanks.
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