From f884f6ee62604aec60fe1760f94724be192d97c0 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 30 Nov 2018 14:29:01 +0100 Subject: [PATCH] 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 Signed-off-by: Joerg Roedel --- 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; }