static void __init sun9i_a80_pll4_setup(struct device_node *node)
 {
-       sunxi_factors_register(node, &sun9i_a80_pll4_data, &sun9i_a80_pll4_lock);
+       void __iomem *reg;
+
+       reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+       if (!reg) {
+               pr_err("Could not get registers for a80-pll4-clk: %s\n",
+                      node->name);
+               return;
+       }
+
+       sunxi_factors_register(node, &sun9i_a80_pll4_data,
+                              &sun9i_a80_pll4_lock, reg);
 }
 CLK_OF_DECLARE(sun9i_a80_pll4, "allwinner,sun9i-a80-pll4-clk", sun9i_a80_pll4_setup);
 
 
 static void __init sun9i_a80_gt_setup(struct device_node *node)
 {
-       struct clk *gt = sunxi_factors_register(node, &sun9i_a80_gt_data,
-                                               &sun9i_a80_gt_lock);
+       void __iomem *reg;
+       struct clk *gt;
+
+       reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+       if (!reg) {
+               pr_err("Could not get registers for a80-gt-clk: %s\n",
+                      node->name);
+               return;
+       }
+
+       gt = sunxi_factors_register(node, &sun9i_a80_gt_data,
+                                   &sun9i_a80_gt_lock, reg);
 
        /* The GT bus clock needs to be always enabled */
        __clk_get(gt);
 
 static void __init sun9i_a80_ahb_setup(struct device_node *node)
 {
-       sunxi_factors_register(node, &sun9i_a80_ahb_data, &sun9i_a80_ahb_lock);
+       void __iomem *reg;
+
+       reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+       if (!reg) {
+               pr_err("Could not get registers for a80-ahb-clk: %s\n",
+                      node->name);
+               return;
+       }
+
+       sunxi_factors_register(node, &sun9i_a80_ahb_data,
+                              &sun9i_a80_ahb_lock, reg);
 }
 CLK_OF_DECLARE(sun9i_a80_ahb, "allwinner,sun9i-a80-ahb-clk", sun9i_a80_ahb_setup);
 
 
 static void __init sun9i_a80_apb0_setup(struct device_node *node)
 {
-       sunxi_factors_register(node, &sun9i_a80_apb0_data, &sun9i_a80_apb0_lock);
+       void __iomem *reg;
+
+       reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+       if (!reg) {
+               pr_err("Could not get registers for a80-apb0-clk: %s\n",
+                      node->name);
+               return;
+       }
+
+       sunxi_factors_register(node, &sun9i_a80_apb0_data,
+                              &sun9i_a80_apb0_lock, reg);
 }
 CLK_OF_DECLARE(sun9i_a80_apb0, "allwinner,sun9i-a80-apb0-clk", sun9i_a80_apb0_setup);
 
 
 static void __init sun9i_a80_apb1_setup(struct device_node *node)
 {
-       sunxi_factors_register(node, &sun9i_a80_apb1_data, &sun9i_a80_apb1_lock);
+       void __iomem *reg;
+
+       reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+       if (!reg) {
+               pr_err("Could not get registers for a80-apb1-clk: %s\n",
+                      node->name);
+               return;
+       }
+
+       sunxi_factors_register(node, &sun9i_a80_apb1_data,
+                              &sun9i_a80_apb1_lock, reg);
 }
 CLK_OF_DECLARE(sun9i_a80_apb1, "allwinner,sun9i-a80-apb1-clk", sun9i_a80_apb1_setup);