/* * Copyright (C) 2012 by Marc Kleine-Budde * * This file is released under the GPLv2 * */ #include #define dma_alloc dma_alloc static inline void *dma_alloc(size_t size) { return xmemalign(64, ALIGN(size, 64)); } #ifndef CONFIG_MMU static inline void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle) { void *ret = xmemalign(4096, size); if (dma_handle) *dma_handle = (dma_addr_t)ret; return ret; } static inline void *dma_alloc_writecombine(size_t size, dma_addr_t *dma_handle) { return dma_alloc_coherent(size, dma_handle); } static inline void dma_free_coherent(void *mem, dma_addr_t dma_handle, size_t size) { free(mem); } static inline void dma_sync_single_for_cpu(unsigned long address, size_t size, enum dma_data_direction dir) { } static inline void dma_sync_single_for_device(unsigned long address, size_t size, enum dma_data_direction dir) { } #endif