From: Joerg Roedel <jroedel@suse.de> Date: Fri, 30 Nov 2018 13:29:01 +0000 (+0100) Subject: dmaengine: sh: rcar-dmac: Use device_iommu_mapped() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f884f6ee62604aec60fe1760f94724be192d97c0;p=linux.git 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> --- diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 74fa2b1a6a866..2b4f256981695 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; }