linux-kernel - [PATCH v3 12/15] iommu/omap: Clean up bus_set

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Message-Id: <c1fbe2592488d98247ca7db2bbd9fe7115f01c98.1657034828.git.robin.murphy@arm.com>
Date:   Tue,  5 Jul 2022 18:08:35 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     joro@...tes.org
Cc:     will@...nel.org, iommu@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, baolu.lu@...ux.intel.com,
        suravee.suthikulpanit@....com, vasant.hegde@....com,
        mjrosato@...ux.ibm.com, gerald.schaefer@...ux.ibm.com,
        schnelle@...ux.ibm.com, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 12/15] 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@....com>
---

v3: No change

 drivers/iommu/omap-iommu.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index d9cf2820c02e..07ee2600113c 100644
--- 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;
-- 
2.36.1.dirty