np = of_find_node_by_type(NULL, "cpu");
        if (np != 0) {
-               unsigned int *fp =
-                   (int *)get_property(np, "clock-frequency", NULL);
+               const unsigned int *fp =
+                       get_property(np, "clock-frequency", NULL);
                if (fp != 0)
                        loops_per_jiffy = *fp / HZ;
                else
 
 
        np = of_find_node_by_type(NULL, "cpu");
        if (np != 0) {
-               unsigned int *fp =
-                   (int *)get_property(np, "clock-frequency", NULL);
+               const unsigned int *fp =
+                       get_property(np, "clock-frequency", NULL);
                if (fp != 0)
                        loops_per_jiffy = *fp / HZ;
                else
 
        int len;
        struct pci_controller *hose;
        struct resource rsrc;
-       int *bus_range;
+       const int *bus_range;
        int primary = 1, has_address = 0;
        phys_addr_t immr = get_immrbase();
 
        has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
 
        /* Get bus range if any */
-       bus_range = (int *)get_property(dev, "bus-range", &len);
+       bus_range = get_property(dev, "bus-range", &len);
        if (bus_range == NULL || len < 2 * sizeof(int)) {
                printk(KERN_WARNING "Can't get bus-range for %s, assume"
                       " bus 0\n", dev->full_name);
 
 
        cpu = of_find_node_by_type(NULL, "cpu");
        if (cpu != 0) {
-               unsigned int *fp;
+               const unsigned int *fp;
 
-               fp = (int *)get_property(cpu, "clock-frequency", NULL);
+               fp = get_property(cpu, "clock-frequency", NULL);
                if (fp != 0)
                        loops_per_jiffy = *fp / HZ;
                else
 
 
        cpu = of_find_node_by_type(NULL, "cpu");
        if (cpu != 0) {
-               unsigned int *fp;
+               const unsigned int *fp;
 
-               fp = (int *)get_property(cpu, "clock-frequency", NULL);
+               fp = get_property(cpu, "clock-frequency", NULL);
                if (fp != 0)
                        loops_per_jiffy = *fp / HZ;
                else
 
        int len;
        struct pci_controller *hose;
        struct resource rsrc;
-       int *bus_range;
+       const int *bus_range;
        int primary = 1, has_address = 0;
        phys_addr_t immr = get_immrbase();
 
        has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
 
        /* Get bus range if any */
-       bus_range = (int *) get_property(dev, "bus-range", &len);
+       bus_range = get_property(dev, "bus-range", &len);
        if (bus_range == NULL || len < 2 * sizeof(int)) {
                printk(KERN_WARNING "Can't get bus-range for %s, assume"
                       " bus 0\n", dev->full_name);
 
 
        np = of_find_node_by_type(NULL, "cpu");
        if (np != 0) {
-               unsigned int *fp;
+               const unsigned int *fp;
 
-               fp = (int *)get_property(np, "clock-frequency", NULL);
+               fp = get_property(np, "clock-frequency", NULL);
                if (fp != 0)
                        loops_per_jiffy = *fp / HZ;
                else
 
        int len;
        struct pci_controller *hose;
        struct resource rsrc;
-       int *bus_range;
+       const int *bus_range;
        int has_address = 0;
        int primary = 0;
 
        has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
 
        /* Get bus range if any */
-       bus_range = (int *) get_property(dev, "bus-range", &len);
+       bus_range = get_property(dev, "bus-range", &len);
        if (bus_range == NULL || len < 2 * sizeof(int))
                printk(KERN_WARNING "Can't get bus-range for %s, assume"
                       " bus 0\n", dev->full_name);
 
 {
        struct pci_controller *hose;
        struct device_node *node;
-       unsigned int *interrupt;
+       const unsigned int *interrupt;
        int busnr;
        int len;
        u8 slot;
        if (!node)
                printk(KERN_ERR "No pci node found\n");
 
-       interrupt = (unsigned int *) get_property(node, "interrupt-map", &len);
+       interrupt = get_property(node, "interrupt-map", &len);
        slot = find_slot_by_devfn(interrupt, dev->devfn);
        pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
        if (pin == 0 || pin > 4)
 
        cpu = of_find_node_by_type(NULL, "cpu");
        if (cpu != 0) {
-               unsigned int *fp;
+               const unsigned int *fp;
 
-               fp = (int *)get_property(cpu, "clock-frequency", NULL);
+               fp = get_property(cpu, "clock-frequency", NULL);
                if (fp != 0)
                        loops_per_jiffy = *fp / HZ;
                else