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/* SPDX-License-Identifier: GPL-2.0-only *//* * Arch specific extensions to struct device */#ifndef ASMARM_DEVICE_H#define ASMARM_DEVICE_H struct dev_archdata {#ifdef CONFIG_ARM_DMA_USE_IOMMU	struct dma_iommu_mapping	*mapping;#endif	unsigned int dma_ops_setup:1;}; struct omap_device; struct pdev_archdata {#ifdef CONFIG_ARCH_OMAP	struct omap_device *od;#endif}; #ifdef CONFIG_ARM_DMA_USE_IOMMU#define to_dma_iommu_mapping(dev) ((dev)->archdata.mapping)#else#define to_dma_iommu_mapping(dev) NULL#endif #endif