From: Shiji Yang <yangshiji66@outlook.com>
Date: Fri, 28 Mar 2025 19:56:06 +0800
Subject: [PATCH] Revert "wifi: ath10k: Use iommu_paging_domain_alloc()"

IPQ4019 wireless can't start after upstream commit d5b7485588df[1].

[1] https://github.com/torvalds/linux/commit/d5b7485588dffb39c5687e965623124ab7ebcd51
Signed-off-by: Shiji Yang <yangshiji66@outlook.com>
---
 ath10k-6.14/snoc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/ath10k-6.14/snoc.c
+++ b/ath10k-6.14/snoc.c
@@ -1635,10 +1635,10 @@ static int ath10k_fw_init(struct ath10k
 
 	ar_snoc->fw.dev = &pdev->dev;
 
-	iommu_dom = iommu_paging_domain_alloc(ar_snoc->fw.dev);
-	if (IS_ERR(iommu_dom)) {
+	iommu_dom = iommu_domain_alloc(&platform_bus_type);
+	if (!iommu_dom) {
 		ath10k_err(ar, "failed to allocate iommu domain\n");
-		ret = PTR_ERR(iommu_dom);
+		ret = -ENOMEM;
 		goto err_unregister;
 	}
 
