86 	struct dma_heap_attachment *a;  in system_heap_attach()  local
89 	a = kzalloc(sizeof(*a), GFP_KERNEL);  in system_heap_attach()
90 	if (!a)  in system_heap_attach()
95 		kfree(a);  in system_heap_attach()
99 	a->table = table;  in system_heap_attach()
100 	a->dev = attachment->dev;  in system_heap_attach()
101 	INIT_LIST_HEAD(&a->list);  in system_heap_attach()
102 	a->mapped = false;  in system_heap_attach()
104 	attachment->priv = a;  in system_heap_attach()
107 	list_add(&a->list, &buffer->attachments);  in system_heap_attach()
117 	struct dma_heap_attachment *a = attachment->priv;  in system_heap_detach()  local
120 	list_del(&a->list);  in system_heap_detach()
123 	sg_free_table(a->table);  in system_heap_detach()
124 	kfree(a->table);  in system_heap_detach()
125 	kfree(a);  in system_heap_detach()
131 	struct dma_heap_attachment *a = attachment->priv;  in system_heap_map_dma_buf()  local
132 	struct sg_table *table = a->table;  in system_heap_map_dma_buf()
139 	a->mapped = true;  in system_heap_map_dma_buf()
147 	struct dma_heap_attachment *a = attachment->priv;  in system_heap_unmap_dma_buf()  local
149 	a->mapped = false;  in system_heap_unmap_dma_buf()
157 	struct dma_heap_attachment *a;  in system_heap_dma_buf_begin_cpu_access()  local
164 	list_for_each_entry(a, &buffer->attachments, list) {  in system_heap_dma_buf_begin_cpu_access()
165 		if (!a->mapped)  in system_heap_dma_buf_begin_cpu_access()
167 		dma_sync_sgtable_for_cpu(a->dev, a->table, direction);  in system_heap_dma_buf_begin_cpu_access()
178 	struct dma_heap_attachment *a;  in system_heap_dma_buf_end_cpu_access()  local
185 	list_for_each_entry(a, &buffer->attachments, list) {  in system_heap_dma_buf_end_cpu_access()
186 		if (!a->mapped)  in system_heap_dma_buf_end_cpu_access()
188 		dma_sync_sgtable_for_device(a->dev, a->table, direction);  in system_heap_dma_buf_end_cpu_access()