[PATCH v4 11/16] iommu/ipmmu-vmsa: Clean up bus_set_iommu()
From: Robin Murphy <robin.murphy@arm.com>
Date: 2022-08-15 16:21:50
Also in:
linux-iommu, lkml
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
Stop calling bus_set_iommu() since it's now unnecessary. This also leaves the custom initcall effectively doing nothing but register the driver, which no longer needs to happen early either, so convert it to builtin_platform_driver(). Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- v4: No change drivers/iommu/ipmmu-vmsa.c | 35 +---------------------------------- 1 file changed, 1 insertion(+), 34 deletions(-)
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 1d42084d0276..3b30c0752274 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c@@ -1090,11 +1090,6 @@ static int ipmmu_probe(struct platform_device *pdev) ret = iommu_device_register(&mmu->iommu, &ipmmu_ops, &pdev->dev); if (ret) return ret; - -#if defined(CONFIG_IOMMU_DMA) - if (!iommu_present(&platform_bus_type)) - bus_set_iommu(&platform_bus_type, &ipmmu_ops); -#endif } /*
@@ -1168,32 +1163,4 @@ static struct platform_driver ipmmu_driver = { .probe = ipmmu_probe, .remove = ipmmu_remove, }; - -static int __init ipmmu_init(void) -{ - struct device_node *np; - static bool setup_done; - int ret; - - if (setup_done) - return 0; - - np = of_find_matching_node(NULL, ipmmu_of_ids); - if (!np) - return 0; - - of_node_put(np); - - ret = platform_driver_register(&ipmmu_driver); - if (ret < 0) - return ret; - -#if defined(CONFIG_ARM) && !defined(CONFIG_IOMMU_DMA) - if (!iommu_present(&platform_bus_type)) - bus_set_iommu(&platform_bus_type, &ipmmu_ops); -#endif - - setup_done = true; - return 0; -} -subsys_initcall(ipmmu_init); +builtin_platform_driver(ipmmu_driver);
--
2.36.1.dirty
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