ACPI: fix 80 char overflow
[linux-2.6.git] / drivers / acpi / processor_core.c
index 791ac7b..02d2a4c 100644 (file)
@@ -8,6 +8,7 @@
  *     - Added _PDC for platforms with Intel CPUs
  */
 #include <linux/dmi.h>
+#include <linux/slab.h>
 
 #include <acpi/acpi_drivers.h>
 #include <acpi/processor.h>
 #define _COMPONENT             ACPI_PROCESSOR_COMPONENT
 ACPI_MODULE_NAME("processor_core");
 
-static int set_no_mwait(const struct dmi_system_id *id)
+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);
-       idle_nomwait = 1;
+       boot_option_idle_override = IDLE_NOMWAIT;
        return 0;
 }
 
-static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
-       {
-       set_no_mwait, "IFL91 board", {
-       DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-       DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
-       DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
-       DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
+static struct dmi_system_id __initdata processor_idle_dmi_table[] = {
        {
        set_no_mwait, "Extensa 5220", {
        DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
@@ -42,7 +37,6 @@ static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
        {},
 };
 
-#ifdef CONFIG_SMP
 static int map_lapic_id(struct acpi_subtable_header *entry,
                 u32 acpi_id, int *apic_id)
 {
@@ -170,7 +164,9 @@ exit:
 
 int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
 {
+#ifdef CONFIG_SMP
        int i;
+#endif
        int apic_id = -1;
 
        apic_id = map_mat_entry(handle, type, acpi_id);
@@ -179,16 +175,21 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
        if (apic_id == -1)
                return apic_id;
 
+#ifdef CONFIG_SMP
        for_each_possible_cpu(i) {
                if (cpu_physical_id(i) == apic_id)
                        return i;
        }
+#else
+       /* In UP kernel, only processor 0 is valid */
+       if (apic_id == 0)
+               return apic_id;
+#endif
        return -1;
 }
 EXPORT_SYMBOL_GPL(acpi_get_cpuid);
-#endif
 
-static bool processor_physically_present(acpi_handle handle)
+static bool __init processor_physically_present(acpi_handle handle)
 {
        int cpuid, type;
        u32 acpi_id;
@@ -228,7 +229,7 @@ static bool processor_physically_present(acpi_handle handle)
        return true;
 }
 
-static void acpi_set_pdc_bits(u32 *buf)
+static void __cpuinit acpi_set_pdc_bits(u32 *buf)
 {
        buf[0] = ACPI_PDC_REVISION_ID;
        buf[1] = 1;
@@ -240,7 +241,7 @@ static void acpi_set_pdc_bits(u32 *buf)
        arch_acpi_set_pdc_bits(buf);
 }
 
-static struct acpi_object_list *acpi_processor_alloc_pdc(void)
+static struct acpi_object_list *__cpuinit acpi_processor_alloc_pdc(void)
 {
        struct acpi_object_list *obj_list;
        union acpi_object *obj;
@@ -283,12 +284,12 @@ static struct acpi_object_list *acpi_processor_alloc_pdc(void)
  * _PDC is required for a BIOS-OS handshake for most of the newer
  * ACPI processor features.
  */
-static int
+static int __cpuinit
 acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
 {
        acpi_status status = AE_OK;
 
-       if (idle_nomwait) {
+       if (boot_option_idle_override == IDLE_NOMWAIT) {
                /*
                 * If mwait is disabled for CPU C-states, the C2C3_FFH access
                 * mode will be disabled in the parameter of _PDC object.
@@ -311,7 +312,7 @@ acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
        return status;
 }
 
-void acpi_processor_set_pdc(acpi_handle handle)
+void __cpuinit acpi_processor_set_pdc(acpi_handle handle)
 {
        struct acpi_object_list *obj_list;
 
@@ -328,9 +329,8 @@ void acpi_processor_set_pdc(acpi_handle handle)
        kfree(obj_list->pointer);
        kfree(obj_list);
 }
-EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
 
-static acpi_status
+static acpi_status __init
 early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
        if (processor_physically_present(handle) == false)
@@ -351,4 +351,5 @@ void __init acpi_early_processor_set_pdc(void)
        acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
                            ACPI_UINT32_MAX,
                            early_init_pdc, NULL, NULL, NULL);
+       acpi_get_devices("ACPI0007", early_init_pdc, NULL, NULL);
 }