On Monday 15 December 2014 22:31:06 Suman Tripathi wrote:
> @@ -162,6 +206,16 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
> goto clk_dis_ahb;
> }
>
> +#if defined(CONFIG_IOMMU_SUPPORT)
> + sdhci_arasan->domain = iommu_domain_alloc(&amba_bustype);
> + if (!sdhci_arasan->domain) {
> + dev_err(&pdev->dev, "Unable to allocate iommu domain\n");
> + return PTR_ERR(sdhci_arasan->domain);
> + }
> +
> + iommu_attach_device(sdhci_arasan->domain, &pdev->dev);
> +#endif
> +
>
Device drivers should never care about the implementation details
of the iommu. Please change the code to use the regular dma_map_*
interfaces that will work both with and without IOMMU.
Arnd
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