ARM: 9418/1: dma-mapping: Use iommu_paging_domain_alloc()

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>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Vasant Hegde <vasant.hegde@amd.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Jason Gunthorpe <jgg@ziepe.ca>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 52f9c56cc3cbbe714cece2775b210c81ff88d294..88c2d68a69c9ee9b43d2a916444b9b6eaaf601d7 100644 (file)
--- 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;