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    Subject[PATCH 6/6] dmaengine: sh: rcar-dmac: Use device_iommu_mapped()
    Date
    From: Joerg Roedel <jroedel@suse.de>

    Use Use device_iommu_mapped() to check if the device is
    already mapped by an IOMMU.

    Acked-by: Robin Murphy <robin.murphy@arm.com>
    Signed-off-by: Joerg Roedel <jroedel@suse.de>
    ---
    drivers/dma/sh/rcar-dmac.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
    index 74fa2b1a6a86..2b4f25698169 100644
    --- a/drivers/dma/sh/rcar-dmac.c
    +++ b/drivers/dma/sh/rcar-dmac.c
    @@ -1809,7 +1809,7 @@ static int rcar_dmac_probe(struct platform_device *pdev)
    * level we can't disable it selectively, so ignore channel 0 for now if
    * the device is part of an IOMMU group.
    */
    - if (pdev->dev.iommu_group) {
    + if (device_iommu_mapped(&pdev->dev)) {
    dmac->n_channels--;
    channels_offset = 1;
    }
    --
    2.17.1
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