From: Joerg Roedel <jroedel@xxxxxxx>
Use Use device_iommu_mapped() to check if the device is
already mapped by an IOMMU.
Acked-by: Robin Murphy <robin.murphy@xxxxxxx>
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
---
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
