diff mbox series

[v3,17/21] ARM: dma-mapping: Use iommu_paging_domain_alloc()

Message ID 20240610085555.88197-18-baolu.lu@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series iommu: Refactoring domain allocation interface | expand

Commit Message

Baolu Lu June 10, 2024, 8:55 a.m. UTC 
Since arm_iommu_create_mapping() now accepts the device, let's replace
iommu_domain_alloc() with iommu_paging_domain_alloc() to retire the former.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 arch/arm/mm/dma-mapping.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Comments

Jason Gunthorpe June 19, 2024, 3:13 p.m. UTC | #1 
On Mon, Jun 10, 2024 at 04:55:51PM +0800, Lu Baolu wrote:
> Since arm_iommu_create_mapping() now accepts the device, let's replace
> iommu_domain_alloc() with iommu_paging_domain_alloc() to retire the former.
> 
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> ---
>  arch/arm/mm/dma-mapping.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason
diff mbox series

Patch

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 52f9c56cc3cb..88c2d68a69c9 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1585,9 +1585,11 @@  arm_iommu_create_mapping(struct device *dev, dma_addr_t base, u64 size)
 
 	spin_lock_init(&mapping->lock);
 
-	mapping->domain = iommu_domain_alloc(dev->bus);
-	if (!mapping->domain)
+	mapping->domain = iommu_paging_domain_alloc(dev);
+	if (IS_ERR(mapping->domain)) {
+		err = PTR_ERR(mapping->domain);
 		goto err4;
+	}
 
 	kref_init(&mapping->kref);
 	return mapping;