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authorMarek Szyprowski <m.szyprowski@samsung.com>2016-05-23 13:01:27 +0200
committerJoerg Roedel <jroedel@suse.de>2016-06-15 13:59:58 +0200
commit96f6655700d16d1bae8ef49db6ce28607ebee6f3 (patch)
treefb482ee885bd5746464af2f4b386491dd7b419f1 /drivers/iommu
parentfecc49db884b902f7abbea4c9287d17a56966be4 (diff)
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iommu/exynos: Prepare for deferred probe support
Register iommu_ops at the end of successful probe instead of doing that unconditionally. This makes Exynos IOMMU driver ready for deferred probe caused by not-yet-available clocks. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/exynos-iommu.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index e0b834375f17..633e6d023c0d 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -581,6 +581,8 @@ static void sysmmu_tlb_invalidate_entry(struct sysmmu_drvdata *data,
spin_unlock_irqrestore(&data->lock, flags);
}
+static struct iommu_ops exynos_iommu_ops;
+
static int __init exynos_sysmmu_probe(struct platform_device *pdev)
{
int irq, ret;
@@ -654,6 +656,8 @@ static int __init exynos_sysmmu_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
+ of_iommu_set_ops(dev->of_node, &exynos_iommu_ops);
+
return 0;
}
@@ -1347,7 +1351,6 @@ static int __init exynos_iommu_of_setup(struct device_node *np)
if (!dma_dev)
dma_dev = &pdev->dev;
- of_iommu_set_ops(np, &exynos_iommu_ops);
return 0;
}