iommu: Remove iommu_domain_has_cap() API function

Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index aeb243f..d2d242f 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -956,19 +956,6 @@ phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
 }
 EXPORT_SYMBOL_GPL(iommu_iova_to_phys);
 
-int iommu_domain_has_cap(struct iommu_domain *domain,
-                        enum iommu_cap cap)
-{
-       if (domain->ops->domain_has_cap != NULL)
-               return domain->ops->domain_has_cap(domain, cap);
-
-       if (domain->ops->capable != NULL)
-               return domain->ops->capable(cap);
-
-       return 0;
-}
-EXPORT_SYMBOL_GPL(iommu_domain_has_cap);
-
 static size_t iommu_pgsize(struct iommu_domain *domain,
                           unsigned long addr_merge, size_t size)
 {

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index d5534d5..379a617 100644 (file)
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -97,7 +97,6 @@ enum iommu_attr {
  * @map: map a physically contiguous memory region to an iommu domain
  * @unmap: unmap a physically contiguous memory region from an iommu domain
  * @iova_to_phys: translate iova to physical address
- * @domain_has_cap: domain capabilities query
  * @add_device: add device to iommu grouping
  * @remove_device: remove device from iommu grouping
  * @domain_get_attr: Query domain attributes
@@ -115,8 +114,6 @@ struct iommu_ops {
        size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
                     size_t size);
        phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova);
-       int (*domain_has_cap)(struct iommu_domain *domain,
-                             unsigned long cap);
        int (*add_device)(struct device *dev);
        void (*remove_device)(struct device *dev);
        int (*device_group)(struct device *dev, unsigned int *groupid);
@@ -159,8 +156,6 @@ extern int iommu_map(struct iommu_domain *domain, unsigned long iova,
 extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
                       size_t size);
 extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova);
-extern int iommu_domain_has_cap(struct iommu_domain *domain,
-                               enum iommu_cap cap);
 extern void iommu_set_fault_handler(struct iommu_domain *domain,
                        iommu_fault_handler_t handler, void *token);
 
@@ -314,12 +309,6 @@ static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_ad
        return 0;
 }
 
-static inline int iommu_domain_has_cap(struct iommu_domain *domain,
-                                      enum iommu_cap cap)
-{
-       return 0;
-}
-
 static inline void iommu_set_fault_handler(struct iommu_domain *domain,
                                iommu_fault_handler_t handler, void *token)
 {