[SPARC64]: Use machine description and OBP properly for cpu probing.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 11 deletions

diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index dea9c3c9ec5f..de9b4c13f1c7 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -46,11 +46,17 @@
 #include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/mmu.h>
+#include <asm/ns87303.h>
 
 #ifdef CONFIG_IP_PNP
 #include <net/ipconfig.h>
 #endif
 
+/* Used to synchronize accesses to NatSemi SUPER I/O chip configure
+ * operations in asm/ns87303.h
+ */
+DEFINE_SPINLOCK(ns87303_lock);
+
 struct screen_info screen_info = {
         0, 0,                   /* orig-x, orig-y */
         0,                      /* unused */
@@ -370,8 +376,6 @@ void __init setup_arch(char **cmdline_p)
         init_cur_cpu_trap(current_thread_info());
 
         paging_init();
-
-        smp_setup_cpu_possible_map();
 }
 
 static int __init set_preferred_console(void)
@@ -424,7 +428,7 @@ extern void mmu_info(struct seq_file *);
 unsigned int dcache_parity_tl1_occurred;
 unsigned int icache_parity_tl1_occurred;
 
-static int ncpus_probed;
+int ncpus_probed;
 
 static int show_cpuinfo(struct seq_file *m, void *__unused)
 {
@@ -516,14 +520,6 @@ static int __init topology_init(void)
 
         err = -ENOMEM;
 
-        /* Count the number of physically present processors in
-         * the machine, even on uniprocessor, so that /proc/cpuinfo
-         * output is consistent with 2.4.x
-         */
-        ncpus_probed = 0;
-        while (!cpu_find_by_instance(ncpus_probed, NULL, NULL))
-                ncpus_probed++;
-
         for_each_possible_cpu(i) {
                 struct cpu *p = kzalloc(sizeof(*p), GFP_KERNEL);
                 if (p) {