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iommu/sprd: Drop IOVA cookie management

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The core code bakes its own cookies now.

Acked-by: Chunyan Zhang <zhang.lyra@gmail.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/4e7fc6e523cb4b63fb13f5be10041eb24c0dcb1e.1628682048.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Robin Murphy 2021-08-11 13:21:23 +01:00 committed by Joerg Roedel
parent b811a45151
commit 5ad5f66714
1 changed files with 0 additions and 7 deletions
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7
drivers/iommu/sprd-iommu.c
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@ -8,7 +8,6 @@
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/dma-iommu.h>
#include <linux/dma-mapping.h>
#include <linux/errno.h>
#include <linux/iommu.h>
@ -144,11 +143,6 @@ static struct iommu_domain *sprd_iommu_domain_alloc(unsigned int domain_type)
if (!dom)
return NULL;
if (iommu_get_dma_cookie(&dom->domain)) {
kfree(dom);
return NULL;
}
spin_lock_init(&dom->pgtlock);
dom->domain.geometry.aperture_start = 0;
@ -161,7 +155,6 @@ static void sprd_iommu_domain_free(struct iommu_domain *domain)
{
struct sprd_iommu_domain *dom = to_sprd_domain(domain);
iommu_put_dma_cookie(domain);
kfree(dom);
}