diff options
| author | Thierry Reding <treding@nvidia.com> | 2023-01-20 20:42:51 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-01-25 13:48:29 +0300 |
| commit | 5cef282e295f7cf623672470d040716d1e3eacf2 (patch) | |
| tree | cda25bacca5dec70920e8e22765bfd88cf4dc8c1 /drivers | |
| parent | a5bf3cfce8cb77d9d24613ab52d520896f83dd48 (diff) | |
| download | linux-5cef282e295f7cf623672470d040716d1e3eacf2.tar.xz | |
iommu: dma: Use of_iommu_get_resv_regions()
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@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: devicetree@vger.kernel.org
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20230120174251.4004100-5-thierry.reding@gmail.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/dma-iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
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); |