iommu: Delete iommu_domain_window_disable()

Function iommu_domain_window_disable() is not referenced in the tree, so
delete it.

Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/1609940111-28563-6-git-send-email-john.garry@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 4f4edb0..20201ef 100644 (file)
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2598,15 +2598,6 @@ int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr,
 }
 EXPORT_SYMBOL_GPL(iommu_domain_window_enable);
 
-void iommu_domain_window_disable(struct iommu_domain *domain, u32 wnd_nr)
-{
-       if (unlikely(domain->ops->domain_window_disable == NULL))
-               return;
-
-       return domain->ops->domain_window_disable(domain, wnd_nr);
-}
-EXPORT_SYMBOL_GPL(iommu_domain_window_disable);
-
 /**
  * report_iommu_fault() - report about an IOMMU fault to the IOMMU framework
  * @domain: the iommu domain where the fault has happened

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index b3f0e20..72059fc 100644 (file)
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -514,7 +514,6 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr,
 extern int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr,
                                      phys_addr_t offset, u64 size,
                                      int prot);
-extern void iommu_domain_window_disable(struct iommu_domain *domain, u32 wnd_nr);
 
 extern int report_iommu_fault(struct iommu_domain *domain, struct device *dev,
                              unsigned long iova, int flags);
@@ -746,11 +745,6 @@ static inline int iommu_domain_window_enable(struct iommu_domain *domain,
        return -ENODEV;
 }
 
-static inline void iommu_domain_window_disable(struct iommu_domain *domain,
-                                              u32 wnd_nr)
-{
-}
-
 static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
 {
        return 0;