#include <linux/pci.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
+#include <acpi/apei.h>
#include <linux/dmi.h>
+#include <linux/suspend.h>
#include "internal.h"
#define STRUCT_TO_INT(s) (*((int*)&s))
-static int set_power_nocheck(const struct dmi_system_id *id)
-{
- printk(KERN_NOTICE PREFIX "%s detected - "
- "disable power check in power transition\n", id->ident);
- acpi_power_nocheck = 1;
- return 0;
-}
-static struct dmi_system_id __cpuinitdata power_nocheck_dmi_table[] = {
- {
- set_power_nocheck, "HP Pavilion 05", {
- DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
- DMI_MATCH(DMI_SYS_VENDOR, "HP Pavilion 05"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "2001211RE101GLEND") }, NULL},
- {},
-};
-
#ifdef CONFIG_X86
static int set_copy_dsdt(const struct dmi_system_id *id)
}
-int acpi_bus_get_power(acpi_handle handle, int *state)
-{
- struct acpi_device *device;
- int result;
-
- result = acpi_bus_get_device(handle, &device);
- if (result)
- return result;
-
- result = __acpi_bus_get_power(device, state);
- if (result)
- return result;
-
- device->power.state = *state;
- return 0;
-}
-EXPORT_SYMBOL(acpi_bus_get_power);
-
-
static int __acpi_bus_set_power(struct acpi_device *device, int state)
{
int result = 0;
acpi_status status = AE_OK;
char object_name[5] = { '_', 'P', 'S', '0' + state, '\0' };
- if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3))
+ if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD))
return -EINVAL;
/* Make sure this is a valid target state */
- if ((state == device->power.state) && !device->flags.force_power_state) {
+ if (state == device->power.state) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
state));
return 0;
return -ENODEV;
}
+ /* For D3cold we should execute _PS3, not _PS4. */
+ if (state == ACPI_STATE_D3_COLD)
+ object_name[3] = '3';
+
/*
* Transition Power
* ----------------
return -ENODEV;
}
- /*
- * Get device's current power state
- */
- if (!acpi_power_nocheck) {
- /*
- * Maybe the incorrect power state is returned on the bogus
- * bios, which is different with the real power state.
- * For example: the bios returns D0 state and the real power
- * state is D3. OS expects to set the device to D0 state. In
- * such case if OS uses the power state returned by the BIOS,
- * the device can't be transisted to the correct power state.
- * So if the acpi_power_nocheck is set, it is unnecessary to
- * get the power state by calling acpi_bus_get_power.
- */
- __acpi_bus_get_power(device, &device->power.state);
- }
-
return __acpi_bus_set_power(device, state);
}
EXPORT_SYMBOL(acpi_bus_set_power);
}
EXPORT_SYMBOL(acpi_run_osc);
+bool osc_sb_apei_support_acked;
static u8 sb_uuid_str[] = "0811B06E-4A27-44F9-8D60-3CBBC22E7B48";
static void acpi_bus_osc_support(void)
{
#if defined(CONFIG_ACPI_PROCESSOR) || defined(CONFIG_ACPI_PROCESSOR_MODULE)
capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT;
#endif
+
+ if (!ghes_disable)
+ capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_APEI_SUPPORT;
if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)))
return;
- if (ACPI_SUCCESS(acpi_run_osc(handle, &context)))
+ if (ACPI_SUCCESS(acpi_run_osc(handle, &context))) {
+ u32 *capbuf_ret = context.ret.pointer;
+ if (context.ret.length > OSC_SUPPORT_TYPE)
+ osc_sb_apei_support_acked =
+ capbuf_ret[OSC_SUPPORT_TYPE] & OSC_SB_APEI_SUPPORT;
kfree(context.ret.pointer);
- /* do we need to check the returned cap? Sounds no */
+ }
+ /* do we need to check other returned cap? Sounds no */
}
/* --------------------------------------------------------------------------
}
#endif
- status =
- acpi_enable_subsystem(~
- (ACPI_NO_HARDWARE_INIT |
- ACPI_NO_ACPI_ENABLE));
+ status = acpi_enable_subsystem(~ACPI_NO_ACPI_ENABLE);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "Unable to enable ACPI\n");
goto error0;
acpi_os_initialize1();
- status =
- acpi_enable_subsystem(ACPI_NO_HARDWARE_INIT | ACPI_NO_ACPI_ENABLE);
+ status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX
"Unable to start the ACPI Interpreter\n");
}
struct kobject *acpi_kobj;
+EXPORT_SYMBOL_GPL(acpi_kobj);
static int __init acpi_init(void)
{
- int result = 0;
-
+ int result;
if (acpi_disabled) {
printk(KERN_INFO PREFIX "Interpreter disabled.\n");
init_acpi_device_notify();
result = acpi_bus_init();
-
- if (!result) {
- pci_mmcfg_late_init();
- if (!(pm_flags & PM_APM))
- pm_flags |= PM_ACPI;
- else {
- printk(KERN_INFO PREFIX
- "APM is already active, exiting\n");
- disable_acpi();
- result = -ENODEV;
- }
- } else
+ if (result) {
disable_acpi();
-
- if (acpi_disabled)
return result;
+ }
- /*
- * If the laptop falls into the DMI check table, the power state check
- * will be disabled in the course of device power transition.
- */
- dmi_check_system(power_nocheck_dmi_table);
-
+ pci_mmcfg_late_init();
acpi_scan_init();
acpi_ec_init();
- acpi_power_init();
acpi_debugfs_init();
acpi_sleep_proc_init();
acpi_wakeup_device_init();
- return result;
+ return 0;
}
subsys_initcall(acpi_init);