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@xxxxxxxxxxx>
---
I'm sorry for the confussing patch number. This patch got lost while
rebasing, but it should belong to the "Exynos IOMMU: improve clock
management" patchset.
Best regards
Marek Szyprowski
Samsung R&D Institute Poland
---
drivers/iommu/exynos-iommu.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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;
}
--
1.9.2
--
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