dev_get_cma

函数名称：dev_get_cma_area

函数原型：static inline struct cma *dev_get_cma_area(struct device *dev)

返回类型：struct cma

参数：

类型	参数	名称
struct device *	dev

**调用者**
名称	描述
dma_alloc_from_contiguous	dma_alloc_from_contiguous() - allocate pages from contiguous area@dev: Pointer to device for which the allocation is performed.@count: Requested number of pages.*@align: Requested alignment of pages (in PAGE_SIZE order).
dma_release_from_contiguous	dma_release_from_contiguous() - release allocated pages*@dev: Pointer to device for which the pages were allocated
dma_free_contiguous	dma_free_contiguous() - release allocated pages*@dev: Pointer to device for which the pages were allocated

函数逻辑报告