x86: Expose init_freq_invariance() to topology header

The function init_freq_invariance will be used on x86 CPPC, so expose it in
the topology header.

Signed-off-by: Huang Rui <ray.huang@amd.com>
[ rjw: Subject adjustment ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 168ade7d4007864782ce19ab2aa3818a883d471e..c35005a03768343d2aca9b97de9dad99486fbab2 100644 (file)
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -215,10 +215,14 @@ extern void arch_scale_freq_tick(void);
 #define arch_scale_freq_tick arch_scale_freq_tick
 
 extern void arch_set_max_freq_ratio(bool turbo_disabled);
+void init_freq_invariance(bool secondary, bool cppc_ready);
 #else
 static inline void arch_set_max_freq_ratio(bool turbo_disabled)
 {
 }
+static inline void init_freq_invariance(bool secondary, bool cppc_ready)
+{
+}
 #endif
 
 #if defined(CONFIG_ACPI_CPPC_LIB) && defined(CONFIG_SMP)

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 0718cc7649a4414efd8e5001584ba2622c581405..8f2ff9be0fcc31980776cf9daef5291690a7967f 100644 (file)
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -155,8 +155,6 @@ static inline void smpboot_restore_warm_reset_vector(void)
        *((volatile u32 *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = 0;
 }
 
-static void init_freq_invariance(bool secondary, bool cppc_ready);
-
 /*
  * Report back to the Boot Processor during boot time or to the caller processor
  * during CPU online.
@@ -2125,7 +2123,7 @@ static void register_freq_invariance_syscore_ops(void)
 static inline void register_freq_invariance_syscore_ops(void) {}
 #endif
 
-static void init_freq_invariance(bool secondary, bool cppc_ready)
+void init_freq_invariance(bool secondary, bool cppc_ready)
 {
        bool ret = false;
 
@@ -2222,8 +2220,4 @@ error:
        pr_warn("Scheduler frequency invariance went wobbly, disabling!\n");
        schedule_work(&disable_freq_invariance_work);
 }
-#else
-static inline void init_freq_invariance(bool secondary, bool cppc_ready)
-{
-}
 #endif /* CONFIG_X86_64 */