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.
Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com> --- drivers/iommu/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ed8b04867b1f..02f798b7e295 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -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); -- 1.9.2 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu