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>
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index e0b8343..633e6d0 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -581,6 +581,8 @@
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 @@
pm_runtime_enable(dev);
+ of_iommu_set_ops(dev->of_node, &exynos_iommu_ops);
+
return 0;
}
@@ -1347,7 +1351,6 @@
if (!dma_dev)
dma_dev = &pdev->dev;
- of_iommu_set_ops(np, &exynos_iommu_ops);
return 0;
}