Re: [PATCH v2 12/22] wifi: ath11k: Use iommu_paging_domain_alloc()

[Jeff Johnson]

On 6/3/24 18:51, Lu Baolu wrote:

An iommu domain is allocated in ath11k_ahb_fw_resources_init() and is
attached to ab_ahb->fw.dev in the same function.

Use iommu_paging_domain_alloc() to make it explicit.

Signed-off-by: Lu Baolu <baolu...@linux.intel.com>

Acked-by: Jeff Johnson <quic_jjohn...@quicinc.com>

---
  drivers/net/wireless/ath/ath11k/ahb.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/ahb.c 
b/drivers/net/wireless/ath/ath11k/ahb.c
index ca0f17ddebba..a469647719f9 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -1001,10 +1001,10 @@ static int ath11k_ahb_fw_resources_init(struct 
ath11k_base *ab)

ab_ahb->fw.dev = &pdev->dev; - iommu_dom = iommu_domain_alloc(&platform_bus_type);

-       if (!iommu_dom) {
+       iommu_dom = iommu_paging_domain_alloc(ab_ahb->fw.dev);
+       if (IS_ERR(iommu_dom)) {
                ath11k_err(ab, "failed to allocate iommu domain\n");
-               ret = -ENOMEM;
+               ret = PTR_ERR(iommu_dom);
                goto err_unregister;
        }