#ifdef __KERNEL__
+#include <linux/device.h>
+
struct cma;
struct page;
-struct device;
#ifdef CONFIG_DMA_CMA
-/*
- * There is always at least global CMA area and a few optional device
- * private areas configured in kernel .config.
- */
-#define MAX_CMA_AREAS (1 + CONFIG_CMA_AREAS)
-
extern struct cma *dma_contiguous_default_area;
static inline struct cma *dev_get_cma_area(struct device *dev)
#else
-#define MAX_CMA_AREAS (0)
-
static inline struct cma *dev_get_cma_area(struct device *dev)
{
return NULL;