[POWERPC] chrp: Constify & voidify get_property()

Now that get_property() returns a void *, there's no need to cast its
return value. Also, treat the return value as const, so we can
constify get_property later.

chrp platform changes.

Built for chrp32_defconfig

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/platforms/chrp/nvram.c b/arch/powerpc/platforms/chrp/nvram.c
index 150f67d..0dd4a64 100644 (file)
--- a/arch/powerpc/platforms/chrp/nvram.c
+++ b/arch/powerpc/platforms/chrp/nvram.c
@@ -67,13 +67,14 @@ static void chrp_nvram_write(int addr, unsigned char val)
 void __init chrp_nvram_init(void)
 {
        struct device_node *nvram;
-       unsigned int *nbytes_p, proplen;
+       const unsigned int *nbytes_p;
+       unsigned int proplen;
 
        nvram = of_find_node_by_type(NULL, "nvram");
        if (nvram == NULL)
                return;
 
-       nbytes_p = (unsigned int *)get_property(nvram, "#bytes", &proplen);
+       nbytes_p = get_property(nvram, "#bytes", &proplen);
        if (nbytes_p == NULL || proplen != sizeof(unsigned int))
                return;
 

diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index 6d7ac64..0f43405 100644 (file)
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -214,11 +214,11 @@ void __init
 chrp_find_bridges(void)
 {
        struct device_node *dev;
-       int *bus_range;
+       const int *bus_range;
        int len, index = -1;
        struct pci_controller *hose;
-       unsigned int *dma;
-       char *model, *machine;
+       const unsigned int *dma;
+       const char *model, *machine;
        int is_longtrail = 0, is_mot = 0, is_pegasos = 0;
        struct device_node *root = find_path_device("/");
        struct resource r;
@@ -246,7 +246,7 @@ chrp_find_bridges(void)
                               dev->full_name);
                        continue;
                }
-               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\n",
                                dev->full_name);
@@ -312,8 +312,7 @@ chrp_find_bridges(void)
 
                /* check the first bridge for a property that we can
                   use to set pci_dram_offset */
-               dma = (unsigned int *)
-                       get_property(dev, "ibm,dma-ranges", &len);
+               dma = get_property(dev, "ibm,dma-ranges", &len);
                if (index == 0 && dma != NULL && len >= 6 * sizeof(*dma)) {
                        pci_dram_offset = dma[2] - dma[3];
                        printk("pci_dram_offset = %lx\n", pci_dram_offset);

diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index be39742..488dbd9 100644 (file)
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -226,8 +226,7 @@ static void __init pegasos_set_l2cr(void)
        /* Enable L2 cache if needed */
        np = find_type_devices("cpu");
        if (np != NULL) {
-               unsigned int *l2cr = (unsigned int *)
-                       get_property (np, "l2cr", NULL);
+               const unsigned int *l2cr = get_property(np, "l2cr", NULL);
                if (l2cr == NULL) {
                        printk ("Pegasos l2cr : no cpu l2cr property found\n");
                        return;
@@ -252,7 +251,7 @@ static void briq_restart(char *cmd)
 void __init chrp_setup_arch(void)
 {
        struct device_node *root = find_path_device ("/");
-       char *machine = NULL;
+       const char *machine = NULL;
 
        /* init to some ~sane value until calibrate_delay() runs */
        loops_per_jiffy = 50000000/HZ;
@@ -353,7 +352,7 @@ static void __init chrp_find_openpic(void)
        struct device_node *np, *root;
        int len, i, j;
        int isu_size, idu_size;
-       unsigned int *iranges, *opprop = NULL;
+       const unsigned int *iranges, *opprop = NULL;
        int oplen = 0;
        unsigned long opaddr;
        int na = 1;
@@ -363,8 +362,7 @@ static void __init chrp_find_openpic(void)
                return;
        root = of_find_node_by_path("/");
        if (root) {
-               opprop = (unsigned int *) get_property
-                       (root, "platform-open-pic", &oplen);
+               opprop = get_property(root, "platform-open-pic", &oplen);
                na = prom_n_addr_cells(root);
        }
        if (opprop && oplen >= na * sizeof(unsigned int)) {
@@ -381,7 +379,7 @@ static void __init chrp_find_openpic(void)
 
        printk(KERN_INFO "OpenPIC at %lx\n", opaddr);
 
-       iranges = (unsigned int *) get_property(np, "interrupt-ranges", &len);
+       iranges = get_property(np, "interrupt-ranges", &len);
        if (iranges == NULL)
                len = 0;        /* non-distributed mpic */
        else
@@ -467,8 +465,8 @@ static void __init chrp_find_8259(void)
         * from anyway
         */
        for (np = find_devices("pci"); np != NULL; np = np->next) {
-               unsigned int *addrp = (unsigned int *)
-                       get_property(np, "8259-interrupt-acknowledge", NULL);
+               const unsigned int *addrp = get_property(np,
+                               "8259-interrupt-acknowledge", NULL);
 
                if (addrp == NULL)
                        continue;
@@ -527,7 +525,7 @@ void __init
 chrp_init2(void)
 {
        struct device_node *device;
-       unsigned int *p = NULL;
+       const unsigned int *p = NULL;
 
 #ifdef CONFIG_NVRAM
        chrp_nvram_init();
@@ -545,8 +543,7 @@ chrp_init2(void)
         */
        device = find_devices("rtas");
        if (device)
-               p = (unsigned int *) get_property
-                       (device, "rtas-event-scan-rate", NULL);
+               p = get_property(device, "rtas-event-scan-rate", NULL);
        if (p && *p) {
                /*
                 * Arrange to call chrp_event_scan at least *p times