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path: root/drivers/iommu/sun50i-iommu.c
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Diffstat (limited to 'drivers/iommu/sun50i-iommu.c')
-rw-r--r--drivers/iommu/sun50i-iommu.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index 8d8f11854676..90b26fe21817 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -690,13 +690,15 @@ sun50i_iommu_domain_alloc_paging(struct device *dev)
if (!sun50i_domain)
return NULL;
- sun50i_domain->dt = iommu_alloc_pages(GFP_KERNEL | GFP_DMA32,
- get_order(DT_SIZE));
+ sun50i_domain->dt =
+ iommu_alloc_pages_sz(GFP_KERNEL | GFP_DMA32, DT_SIZE);
if (!sun50i_domain->dt)
goto err_free_domain;
refcount_set(&sun50i_domain->refcnt, 1);
+ sun50i_domain->domain.pgsize_bitmap = SZ_4K;
+
sun50i_domain->domain.geometry.aperture_start = 0;
sun50i_domain->domain.geometry.aperture_end = DMA_BIT_MASK(32);
sun50i_domain->domain.geometry.force_aperture = true;
@@ -713,7 +715,7 @@ static void sun50i_iommu_domain_free(struct iommu_domain *domain)
{
struct sun50i_iommu_domain *sun50i_domain = to_sun50i_domain(domain);
- iommu_free_pages(sun50i_domain->dt, get_order(DT_SIZE));
+ iommu_free_pages(sun50i_domain->dt);
sun50i_domain->dt = NULL;
kfree(sun50i_domain);
@@ -769,7 +771,8 @@ static void sun50i_iommu_detach_domain(struct sun50i_iommu *iommu,
}
static int sun50i_iommu_identity_attach(struct iommu_domain *identity_domain,
- struct device *dev)
+ struct device *dev,
+ struct iommu_domain *old)
{
struct sun50i_iommu *iommu = dev_iommu_priv_get(dev);
struct sun50i_iommu_domain *sun50i_domain;
@@ -795,7 +798,8 @@ static struct iommu_domain sun50i_iommu_identity_domain = {
};
static int sun50i_iommu_attach_device(struct iommu_domain *domain,
- struct device *dev)
+ struct device *dev,
+ struct iommu_domain *old)
{
struct sun50i_iommu_domain *sun50i_domain = to_sun50i_domain(domain);
struct sun50i_iommu *iommu;
@@ -811,7 +815,7 @@ static int sun50i_iommu_attach_device(struct iommu_domain *domain,
if (iommu->domain == domain)
return 0;
- sun50i_iommu_identity_attach(&sun50i_iommu_identity_domain, dev);
+ sun50i_iommu_identity_attach(&sun50i_iommu_identity_domain, dev, old);
sun50i_iommu_attach_domain(iommu, sun50i_domain);
@@ -837,12 +841,13 @@ static int sun50i_iommu_of_xlate(struct device *dev,
dev_iommu_priv_set(dev, platform_get_drvdata(iommu_pdev));
+ put_device(&iommu_pdev->dev);
+
return iommu_fwspec_add_ids(dev, &id, 1);
}
static const struct iommu_ops sun50i_iommu_ops = {
.identity_domain = &sun50i_iommu_identity_domain,
- .pgsize_bitmap = SZ_4K,
.device_group = generic_single_device_group,
.domain_alloc_paging = sun50i_iommu_domain_alloc_paging,
.of_xlate = sun50i_iommu_of_xlate,