58 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in dma_heap_attach()  local
82 	sg_set_page(table->sgl, pfn_to_page(PFN_DOWN(buffer->paddr)), buffer->len, 0);  in dma_heap_attach()
90 	mutex_lock(&buffer->attachments_lock);  in dma_heap_attach()
91 	list_add(&a->list, &buffer->attachments);  in dma_heap_attach()
92 	mutex_unlock(&buffer->attachments_lock);  in dma_heap_attach()
106 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in dma_heap_detatch()  local
109 	mutex_lock(&buffer->attachments_lock);  in dma_heap_detatch()
111 	mutex_unlock(&buffer->attachments_lock);  in dma_heap_detatch()
141 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in dma_heap_dma_buf_release()  local
143 	gen_pool_free(buffer->pool, (unsigned long)buffer->vaddr, buffer->len);  in dma_heap_dma_buf_release()
144 	kfree(buffer);  in dma_heap_dma_buf_release()
149 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in dma_heap_mmap()  local
155 	ret = vm_iomap_memory(vma, buffer->paddr, buffer->len);  in dma_heap_mmap()
157 		pr_err("Could not map buffer to userspace\n");  in dma_heap_mmap()
164 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in dma_heap_vmap()  local
166 	return buffer->vaddr;  in dma_heap_vmap()
185 	struct sram_dma_heap_buffer *buffer;  in sram_dma_heap_allocate()  local
191 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);  in sram_dma_heap_allocate()
192 	if (!buffer)  in sram_dma_heap_allocate()
194 	buffer->pool = sram_dma_heap->pool;  in sram_dma_heap_allocate()
195 	INIT_LIST_HEAD(&buffer->attachments);  in sram_dma_heap_allocate()
196 	mutex_init(&buffer->attachments_lock);  in sram_dma_heap_allocate()
197 	buffer->len = len;  in sram_dma_heap_allocate()
199 	buffer->vaddr = (void *)gen_pool_alloc(buffer->pool, buffer->len);  in sram_dma_heap_allocate()
200 	if (!buffer->vaddr) {  in sram_dma_heap_allocate()
205 	buffer->paddr = gen_pool_virt_to_phys(buffer->pool, (unsigned long)buffer->vaddr);  in sram_dma_heap_allocate()
206 	if (buffer->paddr == -1) {  in sram_dma_heap_allocate()
213 	exp_info.size = buffer->len;  in sram_dma_heap_allocate()
215 	exp_info.priv = buffer;  in sram_dma_heap_allocate()
225 	gen_pool_free(buffer->pool, (unsigned long)buffer->vaddr, buffer->len);  in sram_dma_heap_allocate()
227 	kfree(buffer);  in sram_dma_heap_allocate()
271 	struct sram_dma_heap_buffer *buffer;  in sram_heap_alloc_dma_buf()  local
277 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);  in sram_heap_alloc_dma_buf()
278 	if (!buffer)  in sram_heap_alloc_dma_buf()
281 	buffer->pool = sram_dma_heap->pool;  in sram_heap_alloc_dma_buf()
282 	INIT_LIST_HEAD(&buffer->attachments);  in sram_heap_alloc_dma_buf()
283 	mutex_init(&buffer->attachments_lock);  in sram_heap_alloc_dma_buf()
284 	buffer->len = size;  in sram_heap_alloc_dma_buf()
286 	buffer->vaddr = (void *)gen_pool_alloc(buffer->pool, buffer->len);  in sram_heap_alloc_dma_buf()
287 	if (!buffer->vaddr) {  in sram_heap_alloc_dma_buf()
292 	buffer->paddr = gen_pool_virt_to_phys(buffer->pool, (unsigned long)buffer->vaddr);  in sram_heap_alloc_dma_buf()
293 	if (buffer->paddr == -1) {  in sram_heap_alloc_dma_buf()
300 	exp_info.size = buffer->len;  in sram_heap_alloc_dma_buf()
301 	exp_info.priv = buffer;  in sram_heap_alloc_dma_buf()
311 	gen_pool_free(buffer->pool, (unsigned long)buffer->vaddr, buffer->len);  in sram_heap_alloc_dma_buf()
313 	kfree(buffer);  in sram_heap_alloc_dma_buf()
383 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in sram_heap_free_dma_buf()  local
385 	gen_pool_free(buffer->pool, (unsigned long)buffer->vaddr, buffer->len);  in sram_heap_free_dma_buf()
386 	kfree(buffer);  in sram_heap_free_dma_buf()
392 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in sram_heap_get_vaddr()  local
394 	return buffer->vaddr;  in sram_heap_get_vaddr()
400 	struct sram_dma_heap_buffer *buffer = dmabuf->priv;  in sram_heap_get_paddr()  local
402 	return buffer->paddr;  in sram_heap_get_paddr()