iommu/omap: Clean up bus_set_iommu()

Stop calling bus_set_iommu() since it's now unnecessary, and simplify
the init failure path accordingly.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/b578af8e2bf8afeccb2c2ce87c1aa38b36f01331.1660572783.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index d9cf282..07ee260 100644 (file)
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1776,14 +1776,8 @@ static int __init omap_iommu_init(void)
                goto fail_driver;
        }
 
-       ret = bus_set_iommu(&platform_bus_type, &omap_iommu_ops);
-       if (ret)
-               goto fail_bus;
-
        return 0;
 
-fail_bus:
-       platform_driver_unregister(&omap_iommu_driver);
 fail_driver:
        kmem_cache_destroy(iopte_cachep);
        return ret;