change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/x86/include/asm/xen/page-coherent.h
..
..
@@ -21,18 +21,4 @@
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 	free_pages((unsigned long) cpu_addr, get_order(size));
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 }
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-static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
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-	     dma_addr_t dev_addr, unsigned long offset, size_t size,
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-	     enum dma_data_direction dir, unsigned long attrs) { }
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-
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-static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
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-		size_t size, enum dma_data_direction dir,
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-		unsigned long attrs) { }
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-
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-static inline void xen_dma_sync_single_for_cpu(struct device *hwdev,
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-		dma_addr_t handle, size_t size, enum dma_data_direction dir) { }
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-
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-static inline void xen_dma_sync_single_for_device(struct device *hwdev,
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-		dma_addr_t handle, size_t size, enum dma_data_direction dir) { }
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-
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 #endif /* _ASM_X86_XEN_PAGE_COHERENT_H */