dmaengine: sh: rcar-dmac: Use device_iommu_mapped()



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

Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent 05afde1a

drivers/dma/sh/rcar-dmac.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}