struct device_node *master_np)
{
const struct iommu_ops *ops = NULL;
- struct iommu_fwspec *fwspec = dev->iommu_fwspec;
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
int err = NO_IOMMU;
if (!master_np)
}
}
+
/*
* Two success conditions can be represented by non-negative err here:
* >0 : there is no IOMMU, or one was unavailable for non-fatal reasons
* 0 : we found an IOMMU, and dev->fwspec is initialised appropriately
* <0 : any actual error
*/
- if (!err)
- ops = dev->iommu_fwspec->ops;
+ if (!err) {
+ /* The fwspec pointer changed, read it again */
+ fwspec = dev_iommu_fwspec_get(dev);
+ ops = fwspec->ops;
+ }
/*
* If we have reason to believe the IOMMU driver missed the initial
* add_device callback for dev, replay it to get things in order.