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Commit b65f5016 authored by Arvind Yadav's avatar Arvind Yadav Committed by Joerg Roedel
Browse files

iommu/mediatek: Constify iommu_ops 



iommu_ops are not supposed to change at runtime.
Functions 'iommu_device_set_ops' and 'bus_set_iommu' working with
const iommu_ops provided by <linux/iommu.h>. So mark the non-const
structs as const.

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: default avatarYong Wu <yong.wu@mediatek.com>
(Change the title to iommu/mediatek: xx)
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 65102238

drivers/iommu/mtk_iommu.c

+2 −2
Original line number Diff line number Diff line
@@ -113,7 +113,7 @@ struct mtk_iommu_domain { 
	struct iommu_domain		domain;

};



static struct iommu_ops mtk_iommu_ops;

static const struct iommu_ops mtk_iommu_ops;



static LIST_HEAD(m4ulist);	/* List all the M4U HWs */
@@ -488,7 +488,7 @@ static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) 
	return iommu_fwspec_add_ids(dev, args->args, 1);

}



static struct iommu_ops mtk_iommu_ops = {

static const struct iommu_ops mtk_iommu_ops = {

	.domain_alloc	= mtk_iommu_domain_alloc,

	.domain_free	= mtk_iommu_domain_free,

	.attach_dev	= mtk_iommu_attach_device,

drivers/iommu/mtk_iommu_v1.c

+2 −2
Original line number Diff line number Diff line
@@ -362,7 +362,7 @@ static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain, 
	return pa;

}



static struct iommu_ops mtk_iommu_ops;

static const struct iommu_ops mtk_iommu_ops;



/*

 * MTK generation one iommu HW only support one iommu domain, and all the client
@@ -524,7 +524,7 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data) 
	return 0;

}



static struct iommu_ops mtk_iommu_ops = {

static const struct iommu_ops mtk_iommu_ops = {

	.domain_alloc	= mtk_iommu_domain_alloc,

	.domain_free	= mtk_iommu_domain_free,

	.attach_dev	= mtk_iommu_attach_device,