Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[pandora-kernel.git] / arch / powerpc / kernel / setup-common.c

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 499c386..0af3fc1 100644 (file)
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -304,19 +304,21 @@ struct seq_operations cpuinfo_op = {
 void __init check_for_initrd(void)
 {
 #ifdef CONFIG_BLK_DEV_INITRD
-       unsigned long *prop;
+       const unsigned int *prop;
+       int len;
 
        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", &len);
                if (prop != NULL) {
-                       initrd_start = (unsigned long)__va(*prop);
-                       prop = (unsigned long *)get_property(of_chosen,
-                                       "linux,initrd-end", NULL);
+                       initrd_start = (unsigned long)
+                               __va(of_read_ulong(prop, len / 4));
+                       prop = get_property(of_chosen,
+                                       "linux,initrd-end", &len);
                        if (prop != NULL) {
-                               initrd_end = (unsigned long)__va(*prop);
+                               initrd_end = (unsigned long)
+                                       __va(of_read_ulong(prop, len / 4));
                                initrd_below_start_ok = 1;
                        } else
                                initrd_start = 0;
@@ -366,15 +368,14 @@ 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 +396,12 @@ 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;
@@ -444,6 +444,8 @@ void __init smp_setup_cpu_maps(void)
 
 int __initdata do_early_xmon;
 #ifdef CONFIG_XMON
+extern int xmon_no_auto_backtrace;
+
 static int __init early_xmon(char *p)
 {
        /* ensure xmon is enabled */
@@ -452,6 +454,8 @@ static int __init early_xmon(char *p)
                        xmon_init(1);
                if (strncmp(p, "off", 3) == 0)
                        xmon_init(0);
+               if (strncmp(p, "nobt", 4) == 0)
+                       xmon_no_auto_backtrace = 1;
                if (strncmp(p, "early", 5) != 0)
                        return 0;
        }