diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index c9311be29a64991ee56563c5c2262e541302ebd7..c29c2c3ec0ad8ffc2c6427393593dbf147899d1b 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -261,7 +261,7 @@ static int acpi_processor_get_info(struct acpi_device *device)
apic_id = acpi_get_apicid(pr->handle, device_declaration, pr->acpi_id);
if (apic_id < 0) {
- acpi_handle_err(pr->handle, "failed to get CPU APIC ID.\n");
+ acpi_handle_debug(pr->handle, "failed to get CPU APIC ID.\n");
return -ENODEV;
}
pr->apic_id = apic_id;
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 24db8e153bf0e83770573ccc70608b51ea90ddaa..4ed1aa384df2fd7680268c569a0388434b76d7d4 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -108,7 +108,7 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
/*
* Optionally enable output from the AML Debug Object.
*/
-bool ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
+u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
/*
* Optionally copy the entire DSDT to local memory (instead of simply
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 384da5ab595573a0daf9faf22fa3815889fadcb8..fcb59c21c68d5c53696a29749d88792f58bc4a64 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -33,6 +33,7 @@
#include <linux/proc_fs.h>
#include <linux/acpi.h>
#include <linux/slab.h>
+#include <linux/regulator/machine.h>
#ifdef CONFIG_X86
#include <asm/mpspec.h>
#endif
@@ -509,6 +510,14 @@ void __init acpi_early_init(void)
goto error0;
}
+ /*
+ * If the system is using ACPI then we can be reasonably
+ * confident that any regulators are managed by the firmware
+ * so tell the regulator core it has everything it needs to
+ * know.
+ */
+ regulator_has_full_constraints();
+
return;
error0:
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index d49f1e46470370908d72b6efb7677d70f80ded98..c14a00d3dca61e5d943c41d5fe11fb90669550a6 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -726,18 +726,6 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
}
#endif /* CONFIG_PM_SLEEP */
-/**
- * acpi_dev_pm_get_node - Get ACPI device node for the given physical device.
- * @dev: Device to get the ACPI node for.
- */
-struct acpi_device *acpi_dev_pm_get_node(struct device *dev)
-{
- acpi_handle handle = ACPI_HANDLE(dev);
- struct acpi_device *adev;
-
- return handle && !acpi_bus_get_device(handle, &adev) ? adev : NULL;
-}
-
/**
* acpi_dev_pm_low_power - Put ACPI device into a low-power state.
* @dev: Device to put into a low-power state.
@@ -778,7 +766,7 @@ static int acpi_dev_pm_full_power(struct acpi_device *adev)
*/
int acpi_dev_runtime_suspend(struct device *dev)
{
- struct acpi_device *adev = acpi_dev_pm_get_node(dev);
+ struct acpi_device *adev = ACPI_COMPANION(dev);
bool remote_wakeup;
int error;
@@ -809,7 +797,7 @@ EXPORT_SYMBOL_GPL(acpi_dev_runtime_suspend);
*/
int acpi_dev_runtime_resume(struct device *dev)
{
- struct acpi_device *adev = acpi_dev_pm_get_node(dev);
+ struct acpi_device *adev = ACPI_COMPANION(dev);
int error;
if (!adev)
@@ -862,7 +850,7 @@ EXPORT_SYMBOL_GPL(acpi_subsys_runtime_resume);
*/
int acpi_dev_suspend_late(struct device *dev)
{
- struct acpi_device *adev = acpi_dev_pm_get_node(dev);
+ struct acpi_device *adev = ACPI_COMPANION(dev);
u32 target_state;
bool wakeup;
int error;
@@ -894,7 +882,7 @@ EXPORT_SYMBOL_GPL(acpi_dev_suspend_late);
*/
int acpi_dev_resume_early(struct device *dev)
{
- struct acpi_device *adev = acpi_dev_pm_get_node(dev);
+ struct acpi_device *adev = ACPI_COMPANION(dev);
int error;
if (!adev)
@@ -985,7 +973,7 @@ static struct dev_pm_domain acpi_general_pm_domain = {
*/
int acpi_dev_pm_attach(struct device *dev, bool power_on)
{
- struct acpi_device *adev = acpi_dev_pm_get_node(dev);
+ struct acpi_device *adev = ACPI_COMPANION(dev);
if (!adev)
return -ENODEV;
@@ -1017,7 +1005,7 @@ EXPORT_SYMBOL_GPL(acpi_dev_pm_attach);
*/
void acpi_dev_pm_detach(struct device *dev, bool power_off)
{
- struct acpi_device *adev = acpi_dev_pm_get_node(dev);
+ struct acpi_device *adev = ACPI_COMPANION(dev);
if (adev && dev->pm_domain == &acpi_general_pm_domain) {
dev->pm_domain = NULL;
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 34e7b3c6a08de157c6c962bd0643ddb67176bd5e..a4eea9a508d3efd977fe97563b967b776a49a084 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -44,13 +44,13 @@ static int map_lapic_id(struct acpi_subtable_header *entry,
(struct acpi_madt_local_apic *)entry;
if (!(lapic->lapic_flags & ACPI_MADT_ENABLED))
- return 0;
+ return -ENODEV;
if (lapic->processor_id != acpi_id)
- return 0;
+ return -EINVAL;
*apic_id = lapic->id;
- return 1;
+ return 0;
}
static int map_x2apic_id(struct acpi_subtable_header *entry,
@@ -60,14 +60,14 @@ static int map_x2apic_id(struct acpi_subtable_header *entry,
(struct acpi_madt_local_x2apic *)entry;
if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
- return 0;
+ return -ENODEV;
if (device_declaration && (apic->uid == acpi_id)) {
*apic_id = apic->local_apic_id;
- return 1;
+ return 0;
}
- return 0;
+ return -EINVAL;
}
static int map_lsapic_id(struct acpi_subtable_header *entry,
@@ -77,16 +77,16 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
(struct acpi_madt_local_sapic *)entry;
if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))
- return 0;
+ return -ENODEV;
if (device_declaration) {
if ((entry->length < 16) || (lsapic->uid != acpi_id))
- return 0;
+ return -EINVAL;
} else if (lsapic->processor_id != acpi_id)
- return 0;
+ return -EINVAL;
*apic_id = (lsapic->id << 8) | lsapic->eid;
- return 1;
+ return 0;
}
static int map_madt_entry(int type, u32 acpi_id)
@@ -116,13 +116,13 @@ static int map_madt_entry(int type, u32 acpi_id)
struct acpi_subtable_header *header =
(struct acpi_subtable_header *)entry;
if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) {
- if (map_lapic_id(header, acpi_id, &apic_id))
+ if (!map_lapic_id(header, acpi_id, &apic_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) {
- if (map_x2apic_id(header, type, acpi_id, &apic_id))
+ if (!map_x2apic_id(header, type, acpi_id, &apic_id))
break;
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
- if (map_lsapic_id(header, type, acpi_id, &apic_id))
+ if (!map_lsapic_id(header, type, acpi_id, &apic_id))
break;
}
entry += header->length;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index e00365ccb89750e8e1dcd1987ad800de65f9bbed..7384158c7f8770ddc4cd78d1570171a4cce9aae9 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2105,6 +2105,7 @@ void acpi_bus_trim(struct acpi_device *adev)
list_for_each_entry_reverse(child, &adev->children, node)
acpi_bus_trim(child);
+ adev->flags.match_driver = false;
if (handler) {
if (handler->detach)
handler->detach(adev);
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 443dc9366052f623b14b6ce278a2bafff81e15ac..91a32cefb11f6098fbea62d9744ed61ed864c4a9 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -226,7 +226,7 @@ module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
/* /sys/modules/acpi/parameters/aml_debug_output */
module_param_named(aml_debug_output, acpi_gbl_enable_aml_debug_object,
- bool, 0644);
+ byte, 0644);
MODULE_PARM_DESC(aml_debug_output,
"To enable/disable the ACPI Debug Object output.");
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 79e5608e71b58742fe8342b0be1b163a60eace70..18448a7e9f8654e1560d2ec7eb354dd85ba094f4 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -919,7 +919,7 @@ static void __init acpi_cpufreq_boost_init(void)
}
}
-static void __exit acpi_cpufreq_boost_exit(void)
+static void acpi_cpufreq_boost_exit(void)
{
if (msrs) {
unregister_cpu_notifier(&boost_nb);
@@ -969,9 +969,10 @@ static int __init acpi_cpufreq_init(void)
acpi_cpufreq_boost_init();
ret = cpufreq_register_driver(&acpi_cpufreq_driver);
- if (ret)
+ if (ret) {
free_acpi_perf_data();
-
+ acpi_cpufreq_boost_exit();
+ }
return ret;
}
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 31f3adba4cf3f15a693e0f3ae40d921e53a576c5..7d2f4355070059943358f491320668e72ad3b64d 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -67,7 +67,7 @@ comment "DEVFREQ Drivers"
config ARM_EXYNOS4_BUS_DEVFREQ
bool "ARM Exynos4210/4212/4412 Memory Bus DEVFREQ Driver"
- depends on CPU_EXYNOS4210 || SOC_EXYNOS4212 || SOC_EXYNOS4412
+ depends on (CPU_EXYNOS4210 || SOC_EXYNOS4212 || SOC_EXYNOS4412) && !ARCH_MULTIPLATFORM
select ARCH_HAS_OPP
select DEVFREQ_GOV_SIMPLE_ONDEMAND
help
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index d2f16f14b419c26ba08b976e4ab8ba5b7a510915..fea6773f87fc7f5fe8e3141579ebd63b4b8efcc8 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -77,7 +77,7 @@ extern u8 acpi_gbl_create_osi_method;
extern u8 acpi_gbl_disable_auto_repair;
extern u8 acpi_gbl_disable_ssdt_table_load;
extern u8 acpi_gbl_do_not_use_xsdt;
-extern bool acpi_gbl_enable_aml_debug_object;
+extern u8 acpi_gbl_enable_aml_debug_object;
extern u8 acpi_gbl_enable_interpreter_slack;
extern u32 acpi_gbl_trace_flags;
extern acpi_name acpi_gbl_trace_method_name;