diff options
| -rw-r--r-- | arch/um/Kconfig.um | 3 | ||||
| -rw-r--r-- | arch/um/defconfig | 1 | ||||
| -rw-r--r-- | arch/um/include/asm/dma-mapping.h | 112 |
3 files changed, 3 insertions, 113 deletions
diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um index ec2b8da..ffe0934 100644 --- a/arch/um/Kconfig.um +++ b/arch/um/Kconfig.um @@ -147,3 +147,6 @@ config KERNEL_STACK_ORDER This option determines the size of UML kernel stacks. They will be 1 << order pages. The default is OK unless you're running Valgrind on UML, in which case, set this to 3. + +config NO_DMA + def_bool y diff --git a/arch/um/defconfig b/arch/um/defconfig index 6bd456f..564f3de 100644 --- a/arch/um/defconfig +++ b/arch/um/defconfig @@ -566,7 +566,6 @@ CONFIG_CRC32=m # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y -CONFIG_HAS_DMA=y # # SCSI device support diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h deleted file mode 100644 index 1f469e80..0000000 --- a/arch/um/include/asm/dma-mapping.h +++ /dev/null @@ -1,112 +0,0 @@ -#ifndef _ASM_DMA_MAPPING_H -#define _ASM_DMA_MAPPING_H - -#include <asm/scatterlist.h> - -static inline int -dma_supported(struct device *dev, u64 mask) -{ - BUG(); - return(0); -} - -static inline int -dma_set_mask(struct device *dev, u64 dma_mask) -{ - BUG(); - return(0); -} - -static inline void * -dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t flag) -{ - BUG(); - return((void *) 0); -} - -static inline void -dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t dma_handle) -{ - BUG(); -} - -static inline dma_addr_t -dma_map_single(struct device *dev, void *cpu_addr, size_t size, - enum dma_data_direction direction) -{ - BUG(); - return(0); -} - -static inline void -dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction direction) -{ - BUG(); -} - -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_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - BUG(); -} - -#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) - -static inline void -dma_cache_sync(struct device *dev, void *vaddr, size_t size, - enum dma_data_direction direction) -{ - BUG(); -} - -static inline int -dma_mapping_error(struct device *dev, dma_addr_t dma_handle) -{ - BUG(); - return 0; -} - -#endif |
