diff options
| -rw-r--r-- | arch/microblaze/Kconfig | 2 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/dma-mapping.h | 130 |
2 files changed, 2 insertions, 130 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index e6af7dd01fe..f8e0722df0c 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -59,7 +59,7 @@ config PCI config NO_DMA depends on !MMU - def_bool n + def_bool y source "init/Kconfig" diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h index 17336252a9b..d00e4009916 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -1,129 +1 @@ -/* - * Copyright (C) 2006 Atmark Techno, Inc. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_DMA_MAPPING_H -#define _ASM_MICROBLAZE_DMA_MAPPING_H - -#include <asm/cacheflush.h> -#include <linux/io.h> -#include <linux/bug.h> - -struct scatterlist; - -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) - -/* FIXME */ -static inline int -dma_supported(struct device *dev, u64 mask) -{ - return 1; -} - -static inline dma_addr_t -dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ - BUG(); - return 0; -} - -static inline void -dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, - enum dma_data_direction direction) -{ - BUG(); -} - -static inline int -dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction) -{ - BUG(); - return 0; -} - -static inline void -dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, - enum dma_data_direction direction) -{ - BUG(); -} - -static inline void -dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) -{ - BUG(); -} - -static inline void -dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, - size_t size, enum dma_data_direction direction) -{ - BUG(); -} - -static inline void -dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - BUG(); -} - -static inline void -dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - BUG(); -} - -static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} - -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, int flag) -{ - return NULL; /* consistent_alloc(flag, size, dma_handle); */ -} - -static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - BUG(); -} - -static inline dma_addr_t -dma_map_single(struct device *dev, void *ptr, size_t size, - enum dma_data_direction direction) -{ - BUG_ON(direction == DMA_NONE); - - return virt_to_bus(ptr); -} - -static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, - size_t size, - enum dma_data_direction direction) -{ - switch (direction) { - case DMA_FROM_DEVICE: - flush_dcache_range((unsigned)dma_addr, - (unsigned)dma_addr + size); - /* Fall through */ - case DMA_TO_DEVICE: - break; - default: - BUG(); - } -} - -#endif /* _ASM_MICROBLAZE_DMA_MAPPING_H */ +#include <asm-generic/dma-mapping-broken.h> |