[PATCH v3 13/21] soc/fsl/qbman: Use iommu_paging_domain_alloc()

Lu Baolu
2024-06-10T08:59:23Z

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.lu@linux.intel.com>
---
drivers/soc/fsl/qbman/qman_portal.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/fsl/qbman/qman_portal.c b/drivers/soc/fsl/qbman/qman_portal.c
index e23b60618c1a..456ef5d5c199 100644
--- a/drivers/soc/fsl/qbman/qman_portal.c
+++ b/drivers/soc/fsl/qbman/qman_portal.c
@@ -48,9 +48,10 @@ 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__);
+ pcfg->iommu_domain = NULL;
goto no_iommu;
}
ret = fsl_pamu_configure_l1_stash(pcfg->iommu_domain, cpu);
--
2.34.1