[PATCH 13/20] remoteproc: Use iommu_paging_domain_alloc()

[Lu Baolu]

An iommu domain is allocated in rproc_enable_iommu() and is attached to
rproc->dev.parent in the same function.

Use iommu_paging_domain_alloc() to make it explicit.

Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
---
 drivers/remoteproc/remoteproc_core.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c 
b/drivers/remoteproc/remoteproc_core.c
index f276956f2c5c..eb66f78ec8b7 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -109,10 +109,10 @@ static int rproc_enable_iommu(struct rproc *rproc)
                return 0;
        }
 
-       domain = iommu_domain_alloc(dev->bus);
-       if (!domain) {
+       domain = iommu_paging_domain_alloc(dev);
+       if (IS_ERR(domain)) {
                dev_err(dev, "can't alloc iommu domain\n");
-               return -ENOMEM;
+               return PTR_ERR(domain);
        }
 
        iommu_set_fault_handler(domain, rproc_iommu_fault, rproc);
-- 
2.34.1