24 	struct dma_coherent_mem *dma_mem = NULL;  in dma_init_coherent_memory()  local
38 	dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);  in dma_init_coherent_memory()
39 	if (!dma_mem)  in dma_init_coherent_memory()
41 	dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL);  in dma_init_coherent_memory()
42 	if (!dma_mem->bitmap)  in dma_init_coherent_memory()
45 	dma_mem->virt_base = mem_base;  in dma_init_coherent_memory()
46 	dma_mem->device_base = device_addr;  in dma_init_coherent_memory()
47 	dma_mem->pfn_base = PFN_DOWN(phys_addr);  in dma_init_coherent_memory()
48 	dma_mem->size = pages;  in dma_init_coherent_memory()
49 	dma_mem->flags = flags;  in dma_init_coherent_memory()
50 	spin_lock_init(&dma_mem->spinlock);  in dma_init_coherent_memory()
52 	*mem = dma_mem;  in dma_init_coherent_memory()
60 	kfree(dma_mem);  in dma_init_coherent_memory()
78 	if (dev->dma_mem)  in dma_assign_coherent_memory()
81 	dev->dma_mem = mem;  in dma_assign_coherent_memory()
108 	struct dma_coherent_mem *mem = dev->dma_mem;  in dma_release_declared_memory()
113 	dev->dma_mem = NULL;  in dma_release_declared_memory()
120 	struct dma_coherent_mem *mem = dev->dma_mem;  in dma_mark_declared_memory_occupied()
165 	mem = dev->dma_mem;  in dma_alloc_from_coherent()
215 	struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;  in dma_release_from_coherent()
249 	struct dma_coherent_mem *mem = dev ? dev->dma_mem : NULL;  in dma_mmap_from_coherent()
299 	dev->dma_mem = NULL;  in rmem_dma_device_release()