iommu/omap: Remove virtual memory manager

The OMAP3 ISP driver was the only user of the OMAP IOVMM API. Now that
is has been ported to the DMA API, remove the unused virtual memory
manager.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

1 files changed, 0 insertions, 13 deletions

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 895af06a667f..61599e2b33ca 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -959,31 +959,18 @@ static int omap_iommu_probe(struct platform_device *pdev)
                         return err;
                 if (obj->nr_tlb_entries != 32 && obj->nr_tlb_entries != 8)
                         return -EINVAL;
-                /*
-                 * da_start and da_end are needed for omap-iovmm, so hardcode
-                 * these values as used by OMAP3 ISP - the only user for
-                 * omap-iovmm
-                 */
-                obj->da_start = 0;
-                obj->da_end = 0xfffff000;
                 if (of_find_property(of, "ti,iommu-bus-err-back", NULL))
                         obj->has_bus_err_back = MMU_GP_REG_BUS_ERR_BACK_EN;
         } else {
                 obj->nr_tlb_entries = pdata->nr_tlb_entries;
                 obj->name = pdata->name;
-                obj->da_start = pdata->da_start;
-                obj->da_end = pdata->da_end;
         }
-        if (obj->da_end <= obj->da_start)
-                return -EINVAL;
 
         obj->dev = &pdev->dev;
         obj->ctx = (void *)obj + sizeof(*obj);
 
         spin_lock_init(&obj->iommu_lock);
-        mutex_init(&obj->mmap_lock);
         spin_lock_init(&obj->page_table_lock);
-        INIT_LIST_HEAD(&obj->mmap);
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         obj->regbase = devm_ioremap_resource(obj->dev, res);