| /drivers/ddk/dma/dma_alloc.c |
|---|
| 0,0 → 1,22 |
| #include <linux/types.h> |
| #include <linux/gfp.h> |
| #include <linux/spinlock.h> |
| #include <linux/dma-mapping.h> |
| #include <linux/scatterlist.h> |
| void *dma_alloc_coherent(struct device *dev, size_t size, |
| dma_addr_t *dma_handle, gfp_t gfp) |
| { |
| void *ret; |
| size = ALIGN(size,32768); |
| ret = (void *)KernelAlloc(size); |
| if (ret) { |
| __builtin_memset(ret, 0, size); |
| *dma_handle = GetPgAddr(ret); |
| } |
| return ret; |
| } |