+
+int platform_resource_setup_memory(struct platform_device *pdev,
+ char *name, unsigned long memsize)
+{
+ struct resource *r;
+ dma_addr_t dma_handle;
+ void *buf;
+
+ r = pdev->resource + pdev->num_resources - 1;
+ if (r->flags) {
+ pr_warning("%s: unable to find empty space for resource\n",
+ name);
+ return -EINVAL;
+ }
+
+ buf = dma_alloc_coherent(NULL, memsize, &dma_handle, GFP_KERNEL);
+ if (!buf) {
+ pr_warning("%s: unable to allocate memory\n", name);
+ return -ENOMEM;
+ }
+
+ memset(buf, 0, memsize);
+
+ r->flags = IORESOURCE_MEM;
+ r->start = dma_handle;
+ r->end = r->start + memsize - 1;
+ r->name = name;
+ return 0;
+}