x86: add ->pre_time_init to x86_quirks

so NUMAQ can use that to call numaq_pre_time_init()

This allows us to remove a NUMAQ special from arch/x86/kernel/setup.c.

(and paves the way to remove the NUMAQ subarch)

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

4 files changed, 18 insertions, 8 deletions

diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index 7f4e00d1d893..b8c45610b20a 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -84,6 +84,12 @@ void __init numaq_tsc_disable(void)
         }
 }
 
+static int __init numaq_pre_time_init(void)
+{
+        numaq_tsc_disable();
+        return 0;
+}
+
 int found_numaq;
 /*
  * Have to match translation table entries to main table entries by counter
@@ -224,6 +230,7 @@ static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable,
 }
 
 static struct x86_quirks numaq_x86_quirks __initdata = {
+        .arch_pre_time_init     = numaq_pre_time_init,
         .arch_time_init         = NULL,
         .arch_pre_intr_init     = NULL,
         .arch_memory_setup      = NULL,
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index bbcc13d0b569..4064616cfa85 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -853,14 +853,6 @@ void __init setup_arch(char **cmdline_p)
         init_cpu_to_node();
 #endif
 
-#ifdef CONFIG_X86_NUMAQ
-        /*
-         * need to check online nodes num, call it
-         * here before time_init/tsc_init
-         */
-        numaq_tsc_disable();
-#endif
-
         init_apic_mappings();
         ioapic_init_mappings();
 
diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 059ca6ee59b4..ffe3c664afc0 100644
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -129,6 +129,7 @@ void __init hpet_time_init(void)
  */
 void __init time_init(void)
 {
+        pre_time_init_hook();
         tsc_init();
         late_time_init = choose_time_init();
 }
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index 631dbed9fb9d..3d317836be9e 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -103,6 +103,16 @@ static struct irqaction irq0  = {
 };
 
 /**
+ * pre_time_init_hook - do any specific initialisations before.
+ *
+ **/
+void __init pre_time_init_hook(void)
+{
+        if (x86_quirks->arch_pre_time_init)
+                x86_quirks->arch_pre_time_init();
+}
+
+/**
  * time_init_hook - do any specific initialisations for the system timer.
  *
  * Description: