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iommu/mtk: Drop IOVA cookie management 

The core code bakes its own cookies now.

CC: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/b856648e7ee2b1017e7c7c02e2ddd50eaf72cbf7.1628682048.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Robin Murphy 2021-08-11 13:21:21 +01:00 committed by Joerg Roedel
parent 5d8941824e
commit a88a42be04
2 changed files with 0 additions and 8 deletions
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7
drivers/iommu/mtk_iommu.c
View File

@ -9,7 +9,6 @@
#include <linux/component.h>
#include <linux/device.h>
#include <linux/dma-direct.h>
#include <linux/dma-iommu.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/io.h>
@ -441,17 +440,11 @@ static struct iommu_domain *mtk_iommu_domain_alloc(unsigned type)
if (!dom)
return NULL;
if (iommu_get_dma_cookie(&dom->domain)) {
kfree(dom);
return NULL;
}
return &dom->domain;
}
static void mtk_iommu_domain_free(struct iommu_domain *domain)
{
iommu_put_dma_cookie(domain);
kfree(to_mtk_domain(domain));
}

1
drivers/iommu/mtk_iommu_v1.c
View File

@ -13,7 +13,6 @@
#include <linux/component.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/dma-iommu.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/io.h>