diff mbox series

[v3,07/21] gpu: host1x: Use iommu_paging_domain_alloc()

Message ID 20240610085555.88197-8-baolu.lu@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series iommu: Refactoring domain allocation interface | expand

Commit Message

Baolu Lu June 10, 2024, 8:55 a.m. UTC 
An iommu domain is allocated in host1x_iommu_attach() and is attached to
host->dev. Use iommu_paging_domain_alloc() to make it explicit.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
 drivers/gpu/host1x/dev.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Comments

Jason Gunthorpe June 19, 2024, 2:30 p.m. UTC | #1 
On Mon, Jun 10, 2024 at 04:55:41PM +0800, Lu Baolu wrote:
> An iommu domain is allocated in host1x_iommu_attach() and is attached to
> host->dev. Use iommu_paging_domain_alloc() to make it explicit.
> 
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> ---
>  drivers/gpu/host1x/dev.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason
diff mbox series

Patch

diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 3a0aaa68ac8d..f86a6b12f24a 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -404,9 +404,10 @@  static struct iommu_domain *host1x_iommu_attach(struct host1x *host)
 		if (err < 0)
 			goto put_group;
 
-		host->domain = iommu_domain_alloc(&platform_bus_type);
-		if (!host->domain) {
-			err = -ENOMEM;
+		host->domain = iommu_paging_domain_alloc(host->dev);
+		if (IS_ERR(host->domain)) {
+			err = PTR_ERR(host->domain);
+			host->domain = NULL;
 			goto put_cache;
 		}