- if (res_count > pdev->num_resources) {
- /* Allocate resources memory to account for new resources */
- res = kzalloc(sizeof(struct resource) * res_count, GFP_KERNEL);
- if (!res)
- goto oda_exit3;
-
- /*
- * If pdev->num_resources > 0, then assume that,
- * MEM and IRQ resources will only come from DT and only
- * fill DMA resource from hwmod layer.
- */
- if (pdev->num_resources && pdev->resource) {
- dev_dbg(&pdev->dev, "%s(): resources already allocated %d\n",
- __func__, res_count);
- memcpy(res, pdev->resource,
- sizeof(struct resource) * pdev->num_resources);
- _od_fill_dma_resources(od, &res[pdev->num_resources]);
- } else {
- dev_dbg(&pdev->dev, "%s(): using resources from hwmod %d\n",
- __func__, res_count);
- omap_device_fill_resources(od, res);
+ if (!pdev->num_resources) {
+ /* Count all resources for the device */
+ res_count = omap_device_count_resources(od, IORESOURCE_IRQ |
+ IORESOURCE_DMA |
+ IORESOURCE_MEM);
+ } else {
+ /* Take a look if we already have DMA resource via DT */
+ for (i = 0; i < pdev->num_resources; i++) {
+ struct resource *r = &pdev->resource[i];
+
+ /* We have it, no need to touch the resources */
+ if (r->flags == IORESOURCE_DMA)
+ goto have_everything;