/* check for internal conflicts */
        for (i = 0; i < PNP_MAX_PORT; i++) {
-               tres = &dev->res.port_resource[i];
-               if (tres != res && tres->flags & IORESOURCE_IO) {
+               tres = pnp_get_resource(dev, IORESOURCE_IO, i);
+               if (tres && tres != res && tres->flags & IORESOURCE_IO) {
                        tport = &tres->start;
                        tend = &tres->end;
                        if (ranged_conflict(port, end, tport, tend))
                if (tdev == dev)
                        continue;
                for (i = 0; i < PNP_MAX_PORT; i++) {
-                       tres = &tdev->res.port_resource[i];
-                       if (tres->flags & IORESOURCE_IO) {
+                       tres = pnp_get_resource(tdev, IORESOURCE_IO, i);
+                       if (tres && tres->flags & IORESOURCE_IO) {
                                if (cannot_compare(tres->flags))
                                        continue;
                                tport = &tres->start;
 
        /* check for internal conflicts */
        for (i = 0; i < PNP_MAX_MEM; i++) {
-               tres = &dev->res.mem_resource[i];
-               if (tres != res && tres->flags & IORESOURCE_MEM) {
+               tres = pnp_get_resource(dev, IORESOURCE_MEM, i);
+               if (tres && tres != res && tres->flags & IORESOURCE_MEM) {
                        taddr = &tres->start;
                        tend = &tres->end;
                        if (ranged_conflict(addr, end, taddr, tend))
                if (tdev == dev)
                        continue;
                for (i = 0; i < PNP_MAX_MEM; i++) {
-                       tres = &tdev->res.mem_resource[i];
-                       if (tres->flags & IORESOURCE_MEM) {
+                       tres = pnp_get_resource(tdev, IORESOURCE_MEM, i);
+                       if (tres && tres->flags & IORESOURCE_MEM) {
                                if (cannot_compare(tres->flags))
                                        continue;
                                taddr = &tres->start;
 
        /* check for internal conflicts */
        for (i = 0; i < PNP_MAX_IRQ; i++) {
-               tres = &dev->res.irq_resource[i];
-               if (tres != res && tres->flags & IORESOURCE_IRQ) {
+               tres = pnp_get_resource(dev, IORESOURCE_IRQ, i);
+               if (tres && tres != res && tres->flags & IORESOURCE_IRQ) {
                        if (tres->start == *irq)
                                return 0;
                }
                if (tdev == dev)
                        continue;
                for (i = 0; i < PNP_MAX_IRQ; i++) {
-                       tres = &tdev->res.irq_resource[i];
-                       if (tres->flags & IORESOURCE_IRQ) {
+                       tres = pnp_get_resource(tdev, IORESOURCE_IRQ, i);
+                       if (tres && tres->flags & IORESOURCE_IRQ) {
                                if (cannot_compare(tres->flags))
                                        continue;
                                if (tres->start == *irq)
 
        /* check for internal conflicts */
        for (i = 0; i < PNP_MAX_DMA; i++) {
-               tres = &dev->res.dma_resource[i];
-               if (tres != res && tres->flags & IORESOURCE_DMA) {
+               tres = pnp_get_resource(dev, IORESOURCE_DMA, i);
+               if (tres && tres != res && tres->flags & IORESOURCE_DMA) {
                        if (tres->start == *dma)
                                return 0;
                }
                if (tdev == dev)
                        continue;
                for (i = 0; i < PNP_MAX_DMA; i++) {
-                       tres = &tdev->res.dma_resource[i];
-                       if (tres->flags & IORESOURCE_DMA) {
+                       tres = pnp_get_resource(tdev, IORESOURCE_DMA, i);
+                       if (tres && tres->flags & IORESOURCE_DMA) {
                                if (cannot_compare(tres->flags))
                                        continue;
                                if (tres->start == *dma)