Re: [PATCH v2 11/22] ath10k: Use iommu_paging_domain_alloc()

From: Jeff Johnson
Date: Tue Jun 04 2024 - 09:41:34 EST


+ath10k list for viibility

On 6/3/24 18:51, Lu Baolu wrote:
An iommu domain is allocated in ath10k_fw_init() and is attached to
ar_snoc->fw.dev in the same function. Use iommu_paging_domain_alloc() to
make it explicit.

Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/snoc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c
index 8530550cf5df..0fe47d51013c 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -1635,10 +1635,10 @@ static int ath10k_fw_init(struct ath10k *ar)
ar_snoc->fw.dev = &pdev->dev;
- iommu_dom = iommu_domain_alloc(&platform_bus_type);
- if (!iommu_dom) {
+ iommu_dom = iommu_paging_domain_alloc(ar_snoc->fw.dev);
+ if (IS_ERR(iommu_dom)) {
ath10k_err(ar, "failed to allocate iommu domain\n");
- ret = -ENOMEM;
+ ret = PTR_ERR(iommu_dom);
goto err_unregister;
}