From: Marek Szyprowski Date: Mon, 23 May 2016 11:01:27 +0000 (+0200) Subject: iommu/exynos: Prepare for deferred probe support X-Git-Tag: v4.8-rc1~79^2^4~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=96f6655700d16d1bae8ef49db6ce28607ebee6f3;p=platform%2Fkernel%2Flinux-exynos.git 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 Signed-off-by: Joerg Roedel --- 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 @@ 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; }