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#ifndef _IOMMU_H #define _IOMMU_H struct udevice; #if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) && \ CONFIG_IS_ENABLED(IOMMU) int dev_iommu_enable(struct udevice *dev); #else static inline int dev_iommu_enable(struct udevice *dev) { return 0; } #endif #endif