From: Thierry Reding <treding@xxxxxxxxxx> For device tree nodes, use the standard of_iommu_get_resv_regions() implementation to obtain the reserved memory regions associated with a device. Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Frank Rowand <frowand.list@xxxxxxxxx> Cc: devicetree@xxxxxxxxxxxxxxx Acked-by: Robin Murphy <robin.murphy@xxxxxxx> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> --- drivers/iommu/dma-iommu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c index f798c44e0903..8e023f032b76 100644 --- a/drivers/iommu/dma-iommu.c +++ b/drivers/iommu/dma-iommu.c @@ -23,6 +23,7 @@ #include <linux/memremap.h> #include <linux/mm.h> #include <linux/mutex.h> +#include <linux/of_iommu.h> #include <linux/pci.h> #include <linux/scatterlist.h> #include <linux/spinlock.h> @@ -391,6 +392,8 @@ void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list) if (!is_of_node(dev_iommu_fwspec_get(dev)->iommu_fwnode)) iort_iommu_get_resv_regions(dev, list); + if (dev->of_node) + of_iommu_get_resv_regions(dev, list); } EXPORT_SYMBOL(iommu_dma_get_resv_regions); -- 2.39.0
