[POWERPC] 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.

powerpc core changes.

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

1 files changed, 8 insertions, 11 deletions

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index c6d7b98af7d5..aaf1727b3570 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -304,16 +304,15 @@ struct seq_operations cpuinfo_op = {
 void __init check_for_initrd(void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
-        unsigned long *prop;
+        const unsigned long *prop;
 
         DBG(" -> check_for_initrd()\n");
 
         if (of_chosen) {
-                prop = (unsigned long *)get_property(of_chosen,
-                                "linux,initrd-start", NULL);
+                prop = get_property(of_chosen, "linux,initrd-start", NULL);
                 if (prop != NULL) {
                         initrd_start = (unsigned long)__va(*prop);
-                        prop = (unsigned long *)get_property(of_chosen,
+                        prop = get_property(of_chosen,
                                         "linux,initrd-end", NULL);
                         if (prop != NULL) {
                                 initrd_end = (unsigned long)__va(*prop);
@@ -366,15 +365,14 @@ void __init smp_setup_cpu_maps(void)
         int cpu = 0;
 
         while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) {
-                int *intserv;
+                const int *intserv;
                 int j, len = sizeof(u32), nthreads = 1;
 
-                intserv = (int *)get_property(dn, "ibm,ppc-interrupt-server#s",
-                                              &len);
+                intserv = get_property(dn, "ibm,ppc-interrupt-server#s", &len);
                 if (intserv)
                         nthreads = len / sizeof(int);
                 else {
-                        intserv = (int *) get_property(dn, "reg", NULL);
+                        intserv = get_property(dn, "reg", NULL);
                         if (!intserv)
                                 intserv = &cpu; /* assume logical == phys */
                 }
@@ -395,13 +393,12 @@ void __init smp_setup_cpu_maps(void)
         if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) &&
             (dn = of_find_node_by_path("/rtas"))) {
                 int num_addr_cell, num_size_cell, maxcpus;
-                unsigned int *ireg;
+                const unsigned int *ireg;
 
                 num_addr_cell = prom_n_addr_cells(dn);
                 num_size_cell = prom_n_size_cells(dn);
 
-                ireg = (unsigned int *)
-                        get_property(dn, "ibm,lrdr-capacity", NULL);
+                ireg = get_property(dn, "ibm,lrdr-capacity", NULL);
 
                 if (!ireg)
                         goto out;