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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>
This commit is contained in:
Alex Chiang 2010-02-22 12:11:19 -07:00 committed by Len Brown
parent 4d5d4cd88c
commit 2e9d5e4efa
2 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/acpi/processor_driver.c
View File

@ -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 */ /* Use the acpiid in MADT to map cpus in case of SMP */
#ifndef CONFIG_SMP #ifdef CONFIG_SMP
static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { return -1; }
#else
static struct acpi_table_madt *madt; static struct acpi_table_madt *madt;
static int map_lapic_id(struct acpi_subtable_header *entry, static int map_lapic_id(struct acpi_subtable_header *entry,
@ -496,7 +493,7 @@ exit:
return apic_id; 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 i;
int apic_id = -1; int apic_id = -1;
@ -513,6 +510,7 @@ static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id)
} }
return -1; return -1;
} }
EXPORT_SYMBOL_GPL(acpi_get_cpuid);
#endif #endif
/* -------------------------------------------------------------------------- /* --------------------------------------------------------------------------
@ -579,7 +577,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
device_declaration = 1; device_declaration = 1;
pr->acpi_id = value; 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 */ /* Handle UP system running SMP kernel, with no LAPIC in MADT */
if (!cpu0_initialized && (cpu_index == -1) && if (!cpu0_initialized && (cpu_index == -1) &&

8
include/acpi/processor.h
View File

@ -322,6 +322,14 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
/* in processor_core.c */ /* in processor_core.c */
void acpi_processor_set_pdc(acpi_handle handle); 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 */ /* in processor_throttling.c */
int acpi_processor_tstate_has_changed(struct acpi_processor *pr); int acpi_processor_tstate_has_changed(struct acpi_processor *pr);