From: Thierry Reding <tred...@nvidia.com>
For device tree nodes, use the standard of_iommu_get_resv_regions()
implementation to obtain the reserved memory regions associated with a
device.
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
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 1ca85d37eeab..3a40ae7a450b 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -22,6 +22,7 @@
#include <linux/irq.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>
@@ -386,6 +387,8 @@ 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_msi_get_resv_regions(dev, list);
+ if (dev->of_node)
+ of_iommu_get_resv_regions(dev, list);
}
EXPORT_SYMBOL(iommu_dma_get_resv_regions);
--
2.36.1
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