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Subject[PATCH v2 1/3] ACPI / idle: Make idle_boot_override depend on x86 and ia64
Date
idle_boot_override depends on x86 and ia64 now, and we can not
foresee it will be used on ARM or ARM64,so move the code into
CONFIG_X86 and CONFIG_IA64 #ifdefs to make processor_core.c
can be compiled on ARM64.

Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
---
drivers/acpi/processor_core.c | 40 ++++++++++++++++++++++------------------
1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 46583d7..01b2656 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -19,24 +19,6 @@
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_core");

-static int __init set_no_mwait(const struct dmi_system_id *id)
-{
- printk(KERN_NOTICE PREFIX "%s detected - "
- "disabling mwait for CPU C-states\n", id->ident);
- boot_option_idle_override = IDLE_NOMWAIT;
- return 0;
-}
-
-static struct dmi_system_id processor_idle_dmi_table[] __initdata = {
- {
- set_no_mwait, "Extensa 5220", {
- DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
- DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
- DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
- {},
-};
-
static int map_lapic_id(struct acpi_subtable_header *entry,
u32 acpi_id, int *apic_id)
{
@@ -379,13 +361,35 @@ early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
return AE_OK;
}

+#if defined(CONFIG_X86) || defined(CONFIG_IA64)
+static int __init set_no_mwait(const struct dmi_system_id *id)
+{
+ printk(KERN_NOTICE PREFIX "%s detected - "
+ "disabling mwait for CPU C-states\n", id->ident);
+ boot_option_idle_override = IDLE_NOMWAIT;
+ return 0;
+}
+
+static struct dmi_system_id processor_idle_dmi_table[] __initdata = {
+ {
+ set_no_mwait, "Extensa 5220", {
+ DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
+ DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
+ {},
+};
+#endif
+
void __init acpi_early_processor_set_pdc(void)
{
+#if defined(CONFIG_X86) || defined(CONFIG_IA64)
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
*/
dmi_check_system(processor_idle_dmi_table);
+#endif

acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
--
1.7.9.5


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