27 	if (dev && dev->dma_mem)  in dev_get_coherent_memory()
28 		return dev->dma_mem;  in dev_get_coherent_memory()
45 	struct dma_coherent_mem *dma_mem = NULL;  in dma_init_coherent_memory()  local
61 	dma_mem = kzalloc(sizeof(struct dma_coherent_mem), GFP_KERNEL);  in dma_init_coherent_memory()
62 	if (!dma_mem) {  in dma_init_coherent_memory()
66 	dma_mem->bitmap = kzalloc(bitmap_size, GFP_KERNEL);  in dma_init_coherent_memory()
67 	if (!dma_mem->bitmap) {  in dma_init_coherent_memory()
72 	dma_mem->virt_base = mem_base;  in dma_init_coherent_memory()
73 	dma_mem->device_base = device_addr;  in dma_init_coherent_memory()
74 	dma_mem->pfn_base = PFN_DOWN(phys_addr);  in dma_init_coherent_memory()
75 	dma_mem->size = pages;  in dma_init_coherent_memory()
76 	dma_mem->flags = flags;  in dma_init_coherent_memory()
77 	spin_lock_init(&dma_mem->spinlock);  in dma_init_coherent_memory()
79 	*mem = dma_mem;  in dma_init_coherent_memory()
83 	kfree(dma_mem);  in dma_init_coherent_memory()
105 	if (dev->dma_mem)  in dma_assign_coherent_memory()
108 	dev->dma_mem = mem;  in dma_assign_coherent_memory()
131 	struct dma_coherent_mem *mem = dev->dma_mem;  in dma_release_declared_memory()
136 	dev->dma_mem = NULL;  in dma_release_declared_memory()
143 	struct dma_coherent_mem *mem = dev->dma_mem;  in dma_mark_declared_memory_occupied()
373 		dev->dma_mem = NULL;  in rmem_dma_device_release()