Merge pull request #256 in SW_PON/linux from UGW_SW-22356-add-CBM-init-debug-messages to xrx500

* commit '184e9bc950922c1aa2f1bd5347d73a8ad7d27cbe':
  Add debug messages to CQM init

drivers/net/ethernet/lantiq/cqm/cqm_dev.c

-
 #include "cqm_dev.h"
 
 #define CQM_NUM_DEV_SUPP 2
@@ -28,7 +27,9 @@ struct device_node *parse_dts(int j, void **pdata, struct resource **res,
 
 	node = of_find_node_by_name(NULL, dev_node_name[j].node_name);
 	if (!node) {
-		/*pr_err("Unable to get %s\n", dev_node_name[j].node_name);*/
+		pr_err("Unable to get node %s for %s\n",
+		       dev_node_name[j].node_name,
+		       dev_node_name[j].dev_name);
 		return NULL;
 	}
 	*pdata = kzalloc(sizeof(*cqm_pdata), GFP_KERNEL);
@@ -62,7 +63,7 @@ struct device_node *parse_dts(int j, void **pdata, struct resource **res,
 	memcpy(cqm_pdata->intrs, intr, (sizeof(unsigned int) * idx));
 	cqm_pdata->rcu_reset = of_reset_control_get(node, "cqm");
 	if (IS_ERR(cqm_pdata->rcu_reset)) {
-		pr_err("Error in getting rcu reset\n");
+		pr_err("No rcu reset for %s\n", dev_node_name[j].node_name);
 		/*return PTR_ERR(cqm_pdata->rcu_reset)*/;
 	}
 
@@ -96,17 +97,17 @@ int add_cqm_dev(int i)
 
 	node = parse_dts(i, &pdata, &res, &num_res);
 	if (!node) {
-		/*pr_err("%s(#%d): parse_dts fail\n",
-		 *__func__, __LINE__);
-		 */
+		pr_err("%s(#%d): parse_dts fail for %s\n",
+		 __func__, __LINE__, dev_node_name[i].dev_name);
 		return CBM_FAILURE;
 	}
+	pr_info("parse dts done\n");
 #if 1
 
 	pdev = platform_device_alloc(dev_node_name[i].dev_name, 1);
 	if (!pdev) {
-		pr_err("%s(#%d): platform_device_alloc fail\n",
-		       __func__, __LINE__);
+		pr_err("%s(#%d): platform_device_alloc fail for %s\n",
+		       __func__, __LINE__, dev_node_name[i].node_name);
 		return -ENOMEM;
 	}
 
@@ -120,17 +121,18 @@ int add_cqm_dev(int i)
 		pr_info("adding resources\n");
 		ret = platform_device_add_resources(pdev, res, num_res);
 		if (ret) {
-			pr_info("%s: Failed to add resources.\n",
-				__func__);
+			pr_info("%s: Failed to add resources for %s.\n",
+				__func__, dev_node_name[i].node_name);
 			goto err_free_pdata;
 		}
 	}
 
+	pr_info("resources added\n");
 	/* Add platform device */
 	ret = platform_device_add(pdev);
 	if (ret) {
-		pr_info("%s: Failed to add platform device.\n",
-			__func__);
+		pr_info("%s: Failed to add platform device for %s.\n",
+			__func__, dev_node_name[i].node_name);
 		goto err_free_pdata;
 	}
 #endif
@@ -160,8 +162,11 @@ static int cqm_platdev_parse_dts(void)
 	int i, dev_add = 0;
 
 	for (i = 0; i < CQM_NUM_DEV_SUPP; i++) {
-		if (!add_cqm_dev(i))
+		pr_info("dev %s\n", dev_node_name[i].dev_name);
+		if (!add_cqm_dev(i)) {
 			dev_add++;
+			pr_info("device added\n");
+		}
 	}
 	if (!dev_add)
 		pr_err("Not Even 1 CBM device registered\n");
@@ -170,6 +175,7 @@ static int cqm_platdev_parse_dts(void)
 
 static __init int cqm_platdev_init(void)
 {
+	pr_info("%s is called\n", __func__);
 	cqm_platdev_parse_dts();
 	return 0;
 }