From 9719c7b8f33bc0268cf76656cfb6244f37586066 Mon Sep 17 00:00:00 2001 From: Lu Baolu Date: Mon, 12 Aug 2024 15:16:05 +0800 Subject: [PATCH] gpu: host1x: Use iommu_paging_domain_alloc() 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 Reviewed-by: Jason Gunthorpe Link: https://lore.kernel.org/r/20240610085555.88197-8-baolu.lu@linux.intel.com Signed-off-by: Thierry Reding Link: https://patchwork.freedesktop.org/patch/msgid/20240812071605.9513-1-baolu.lu@linux.intel.com --- drivers/gpu/host1x/dev.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index f006bc931324f..b62e4f0e8130f 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; } -- 2.39.5