iommu/io-pgtable: Remove map/unmap
authorRobin Murphy <robin.murphy@arm.com>
Tue, 15 Nov 2022 15:26:43 +0000 (15:26 +0000)
committerJoerg Roedel <jroedel@suse.de>
Sat, 19 Nov 2022 09:44:16 +0000 (10:44 +0100)
With all users now calling {map,unmap}_pages, retire the redundant
single-page callbacks.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/a5a3cbf95c3279982e378cc43dad830322a59868.1668100209.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
include/linux/io-pgtable.h

index 1f068df..1b7a44b 100644 (file)
@@ -150,9 +150,7 @@ struct io_pgtable_cfg {
 /**
  * struct io_pgtable_ops - Page table manipulation API for IOMMU drivers.
  *
- * @map:          Map a physically contiguous memory region.
  * @map_pages:    Map a physically contiguous range of pages of the same size.
- * @unmap:        Unmap a physically contiguous memory region.
  * @unmap_pages:  Unmap a range of virtually contiguous pages of the same size.
  * @iova_to_phys: Translate iova to physical address.
  *
@@ -160,13 +158,9 @@ struct io_pgtable_cfg {
  * the same names.
  */
 struct io_pgtable_ops {
-       int (*map)(struct io_pgtable_ops *ops, unsigned long iova,
-                  phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
        int (*map_pages)(struct io_pgtable_ops *ops, unsigned long iova,
                         phys_addr_t paddr, size_t pgsize, size_t pgcount,
                         int prot, gfp_t gfp, size_t *mapped);
-       size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova,
-                       size_t size, struct iommu_iotlb_gather *gather);
        size_t (*unmap_pages)(struct io_pgtable_ops *ops, unsigned long iova,
                              size_t pgsize, size_t pgcount,
                              struct iommu_iotlb_gather *gather);