/* register irq handler after we know what name we'll use */
        ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt,
                                IRQF_DISABLED | IRQF_SHARED,
-                               rtc->rtcdev->dev.bus_id, rtc);
+                               dev_name(&rtc->rtcdev->dev), rtc);
        if (ret) {
                dev_dbg(&pdev->dev, "can't share IRQ %d?\n", AT91_ID_SYS);
                rtc_device_unregister(rtc->rtcdev);
 
        if (gpbr_readl(rtc) == 0)
                dev_warn(&pdev->dev, "%s: SET TIME!\n",
-                               rtc->rtcdev->dev.bus_id);
+                               dev_name(&rtc->rtcdev->dev));
 
        return 0;
 
 
 
        /* handle periodic and alarm irqs */
        if (request_irq(omap_rtc_timer, rtc_irq, IRQF_DISABLED,
-                       rtc->dev.bus_id, rtc)) {
+                       dev_name(&rtc->dev), rtc)) {
                pr_debug("%s: RTC timer interrupt IRQ%d already claimed\n",
                        pdev->name, omap_rtc_timer);
                goto fail0;
        }
        if (request_irq(omap_rtc_alarm, rtc_irq, IRQF_DISABLED,
-                       rtc->dev.bus_id, rtc)) {
+                       dev_name(&rtc->dev), rtc)) {
                pr_debug("%s: RTC alarm interrupt IRQ%d already claimed\n",
                        pdev->name, omap_rtc_alarm);
                goto fail1;
 
 
        ret = request_irq(irq, twl4030_rtc_interrupt,
                                IRQF_TRIGGER_RISING,
-                               rtc->dev.bus_id, rtc);
+                               dev_name(&rtc->dev), rtc);
        if (ret < 0) {
                dev_err(&pdev->dev, "IRQ is not free.\n");
                goto out1;