diff options
Diffstat (limited to 'nuttx/include/nuttx/fs/fat.h')
| -rw-r--r-- | nuttx/include/nuttx/fs/fat.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/nuttx/include/nuttx/fs/fat.h b/nuttx/include/nuttx/fs/fat.h index 680aefbe9..ac85c502f 100644 --- a/nuttx/include/nuttx/fs/fat.h +++ b/nuttx/include/nuttx/fs/fat.h @@ -40,6 +40,7 @@ * Included Files ****************************************************************************/ +#include <nuttx/config.h> #include <stdint.h> /**************************************************************************** @@ -98,15 +99,20 @@ EXTERN int fat_setattrib(const char *path, fat_attrib_t setbits, fat_attrib_t cl * Some hardware, however, may require special DMA-capable memory in * order to perform the the transfers. If CONFIG_FAT_DMAMEMORY is defined * then the architecture-specific hardware must provide the funtions - * fat_dma_alloc() and fat_dma_free() as prototyped below: fat_dmalloc() - * will allocate DMA-capable memory of the specified size; fat_dmafree() + * fat_dma_alloc() and fat_dma_free() as prototyped below: fat_dma_alloc() + * will allocate DMA-capable memory of the specified size; fat_dma_free() * is the corresponding function that will be called to free the DMA- * capable memory. * + * This functions may be simple wrappers around gran_alloc() and gran_free() + * (See nuttx/gran.h). + * ****************************************************************************/ +#ifdef CONFIG_FAT_DMAMEMORY EXTERN FAR void *fat_dma_alloc(size_t size); EXTERN void fat_dma_free(FAR void *memory, size_t size); +#endif #undef EXTERN #ifdef __cplusplus |