Commit a88a42be authored by Robin Murphy's avatar Robin Murphy Committed by Joerg Roedel
Browse files

iommu/mtk: Drop IOVA cookie management 



The core code bakes its own cookies now.

CC: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/b856648e7ee2b1017e7c7c02e2ddd50eaf72cbf7.1628682048.git.robin.murphy@arm.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 5d894182

drivers/iommu/mtk_iommu.c

+0 −7
Original line number Diff line number Diff line
@@ -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));

}

drivers/iommu/mtk_iommu_v1.c

+0 −1
Original line number Diff line number Diff line
@@ -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>