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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.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index 181bb1c3437c..92997021e188 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -7,7 +7,6 @@
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/dma-direction.h>
-#include <linux/dma-iommu.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/errno.h>
@@ -610,14 +609,10 @@ static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type)
if (!sun50i_domain)
return NULL;
- if (type == IOMMU_DOMAIN_DMA &&
- iommu_get_dma_cookie(&sun50i_domain->domain))
- goto err_free_domain;
-
sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
get_order(DT_SIZE));
if (!sun50i_domain->dt)
- goto err_put_cookie;
+ goto err_free_domain;
refcount_set(&sun50i_domain->refcnt, 1);
@@ -627,10 +622,6 @@ static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type)
return &sun50i_domain->domain;
-err_put_cookie:
- if (type == IOMMU_DOMAIN_DMA)
- iommu_put_dma_cookie(&sun50i_domain->domain);
-
err_free_domain:
kfree(sun50i_domain);
@@ -644,8 +635,6 @@ static void sun50i_iommu_domain_free(struct iommu_domain *domain)
free_pages((unsigned long)sun50i_domain->dt, get_order(DT_SIZE));
sun50i_domain->dt = NULL;
- iommu_put_dma_cookie(domain);
-
kfree(sun50i_domain);
}