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iommu/s390: Constify iommu_ops

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

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Arvind Yadav 2017-08-28 17:42:50 +05:30 committed by Joerg Roedel
parent f42c223514
commit cceb845195
1 changed files with 2 additions and 2 deletions
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4
drivers/iommu/s390-iommu.c
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@ -18,7 +18,7 @@
*/
#define S390_IOMMU_PGSIZES (~0xFFFUL)
static struct iommu_ops s390_iommu_ops;
static const struct iommu_ops s390_iommu_ops;
struct s390_domain {
struct iommu_domain domain;
@ -362,7 +362,7 @@ void zpci_destroy_iommu(struct zpci_dev *zdev)
iommu_device_sysfs_remove(&zdev->iommu_dev);
}
static struct iommu_ops s390_iommu_ops = {
static const struct iommu_ops s390_iommu_ops = {
.capable = s390_iommu_capable,
.domain_alloc = s390_domain_alloc,
.domain_free = s390_domain_free,