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authorDavid S. Miller <davem@sunset.davemloft.net>2007-05-25 15:49:59 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-05-29 02:49:41 -0700
commit5cbc30737398b49f62ae8603129ce43ac7db1a41 (patch)
tree45d01a686865e6fd9c32b670f77af1e37db03008 /arch/sparc64/kernel/setup.c
parente01c0d6d8cf29c1c11725837b265598cab687952 (diff)
[SPARC64]: Use machine description and OBP properly for cpu probing.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/setup.c')
-rw-r--r--arch/sparc64/kernel/setup.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index dea9c3c9ec5..de9b4c13f1c 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) {