pdata->edac_idx = edac_pci_idx++;
 
-       res = of_address_to_resource(op->node, 0, &r);
+       res = of_address_to_resource(op->dev.of_node, 0, &r);
        if (res) {
                printk(KERN_ERR "%s: Unable to get resource for "
                       "PCI err regs\n", __func__);
        }
 
        if (edac_op_state == EDAC_OPSTATE_INT) {
-               pdata->irq = irq_of_parse_and_map(op->node, 0);
+               pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
                res = devm_request_irq(&op->dev, pdata->irq,
                                       mpc85xx_pci_isr, IRQF_DISABLED,
                                       "[EDAC] PCI err", pci);
        edac_dev->ctl_name = pdata->name;
        edac_dev->dev_name = pdata->name;
 
-       res = of_address_to_resource(op->node, 0, &r);
+       res = of_address_to_resource(op->dev.of_node, 0, &r);
        if (res) {
                printk(KERN_ERR "%s: Unable to get resource for "
                       "L2 err regs\n", __func__);
        }
 
        if (edac_op_state == EDAC_OPSTATE_INT) {
-               pdata->irq = irq_of_parse_and_map(op->node, 0);
+               pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
                res = devm_request_irq(&op->dev, pdata->irq,
                                       mpc85xx_l2_isr, IRQF_DISABLED,
                                       "[EDAC] L2 err", edac_dev);
        mci->ctl_name = pdata->name;
        mci->dev_name = pdata->name;
 
-       res = of_address_to_resource(op->node, 0, &r);
+       res = of_address_to_resource(op->dev.of_node, 0, &r);
        if (res) {
                printk(KERN_ERR "%s: Unable to get resource for MC err regs\n",
                       __func__);
                out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_SBE, 0x10000);
 
                /* register interrupts */
-               pdata->irq = irq_of_parse_and_map(op->node, 0);
+               pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
                res = devm_request_irq(&op->dev, pdata->irq,
                                       mpc85xx_mc_isr,
                                        IRQF_DISABLED | IRQF_SHARED,
 
        int status = 0;
        const u32 memcheck = (mcopt1 & SDRAM_MCOPT1_MCHK_MASK);
        struct ppc4xx_edac_pdata *pdata = NULL;
-       const struct device_node *np = op->node;
+       const struct device_node *np = op->dev.of_node;
 
        if (match == NULL)
                return -EINVAL;
        int status = 0;
        int ded_irq, sec_irq;
        struct ppc4xx_edac_pdata *pdata = mci->pvt_info;
-       struct device_node *np = op->node;
+       struct device_node *np = op->dev.of_node;
 
        ded_irq = irq_of_parse_and_map(np, INTMAP_ECCDED_INDEX);
        sec_irq = irq_of_parse_and_map(np, INTMAP_ECCSEC_INDEX);
        int status = 0;
        u32 mcopt1, memcheck;
        dcr_host_t dcr_host;
-       const struct device_node *np = op->node;
+       const struct device_node *np = op->dev.of_node;
        struct mem_ctl_info *mci = NULL;
        static int ppc4xx_edac_instance;