[PATCH 14/20] soc/fsl/qbman: Use iommu_paging_domain_alloc()

[Lu Baolu]

An iommu domain is allocated in portal_set_cpu() and is attached to
pcfg->dev in the same function.

Use iommu_paging_domain_alloc() to make it explicit.

Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
---
 drivers/soc/fsl/qbman/qman_portal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/fsl/qbman/qman_portal.c 
b/drivers/soc/fsl/qbman/qman_portal.c
index e23b60618c1a..91f17cea3744 100644
--- a/drivers/soc/fsl/qbman/qman_portal.c
+++ b/drivers/soc/fsl/qbman/qman_portal.c
@@ -48,8 +48,8 @@ static void portal_set_cpu(struct qm_portal_config *pcfg, int 
cpu)
        struct device *dev = pcfg->dev;
        int ret;
 
-       pcfg->iommu_domain = iommu_domain_alloc(&platform_bus_type);
-       if (!pcfg->iommu_domain) {
+       pcfg->iommu_domain = iommu_paging_domain_alloc(dev);
+       if (IS_ERR(pcfg->iommu_domain)) {
                dev_err(dev, "%s(): iommu_domain_alloc() failed", __func__);
                goto no_iommu;
        }
-- 
2.34.1