Commit 461bfb3f authored Nov 19, 2014 by Marek Szyprowski Committed by Will Deacon Dec 01, 2014

iommu: fix initialization without 'add_device' callback



IOMMU drivers can be initialized from of_iommu helpers. Such drivers don't
need to provide device_add callbacks to operate properly, so there is no
need to fail initialization if the callback is missing.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 7eba1d51

drivers/iommu/iommu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -737,7 +737,7 @@ static int add_iommu_group(struct device dev, void data)
		const struct iommu_ops *ops = cb->ops;

		if (!ops->add_device)
		return -ENODEV;
		return 0;

		WARN_ON(dev->iommu_group);