ACPI: processor: export acpi_get_cpuid()

Rename static get_cpu_id() to acpi_get_cpuid() and export it.

This change also gives us an opportunity to remove the
#ifndef CONFIG_SMP from processor_driver.c and into a header file
where it properly belongs.

Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

2 files changed, 12 insertions, 6 deletions

diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 7b0f4c2a06e8..98358251ce23 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -361,10 +361,7 @@ static inline int acpi_processor_remove_fs(struct acpi_device *device)
 
 /* Use the acpiid in MADT to map cpus in case of SMP */
 
-#ifndef CONFIG_SMP
-static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { return -1; }
-#else
-
+#ifdef CONFIG_SMP
 static struct acpi_table_madt *madt;
 
 static int map_lapic_id(struct acpi_subtable_header *entry,
@@ -496,7 +493,7 @@ exit:
         return apic_id;
 }
 
-static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id)
+int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
 {
         int i;
         int apic_id = -1;
@@ -513,6 +510,7 @@ static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id)
         }
         return -1;
 }
+EXPORT_SYMBOL_GPL(acpi_get_cpuid);
 #endif
 
 /* --------------------------------------------------------------------------
@@ -579,7 +577,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
                 device_declaration = 1;
                 pr->acpi_id = value;
         }
-        cpu_index = get_cpu_id(pr->handle, device_declaration, pr->acpi_id);
+        cpu_index = acpi_get_cpuid(pr->handle, device_declaration, pr->acpi_id);
 
         /* Handle UP system running SMP kernel, with no LAPIC in MADT */
         if (!cpu0_initialized && (cpu_index == -1) &&
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 7bb0b8b9332e..86825ddbe14e 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -322,6 +322,14 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
 
 /* in processor_core.c */
 void acpi_processor_set_pdc(acpi_handle handle);
+#ifdef CONFIG_SMP
+int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
+#else
+static inline int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
+{
+        return -1;
+}
+#endif
 
 /* in processor_throttling.c */
 int acpi_processor_tstate_has_changed(struct acpi_processor *pr);