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-rw-r--r--MAINTAINERS15
-rw-r--r--drivers/acpi/Kconfig2
-rw-r--r--drivers/acpi/bus.c7
-rw-r--r--drivers/acpi/dock.c6
-rw-r--r--drivers/acpi/osl.c25
-rw-r--r--drivers/acpi/processor_driver.c2
-rw-r--r--drivers/acpi/processor_thermal.c178
-rw-r--r--drivers/acpi/sleep.c12
-rw-r--r--drivers/acpi/sleep.h1
-rw-r--r--include/acpi/acpi_drivers.h2
-rw-r--r--include/acpi/acpiosxf.h2
-rw-r--r--include/linux/acpi.h8
12 files changed, 20 insertions, 240 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index f2a2b8e647c..2a3163e527f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -241,21 +241,6 @@ F: drivers/pnp/pnpacpi/
F: include/linux/acpi.h
F: include/acpi/
-ACPI BATTERY DRIVERS
-M: Alexey Starikovskiy <astarikovskiy@suse.de>
-L: linux-acpi@vger.kernel.org
-W: http://www.lesswatts.org/projects/acpi/
-S: Supported
-F: drivers/acpi/battery.c
-F: drivers/acpi/*sbs*
-
-ACPI EC DRIVER
-M: Alexey Starikovskiy <astarikovskiy@suse.de>
-L: linux-acpi@vger.kernel.org
-W: http://www.lesswatts.org/projects/acpi/
-S: Supported
-F: drivers/acpi/ec.c
-
ACPI FAN DRIVER
M: Zhang Rui <rui.zhang@intel.com>
L: linux-acpi@vger.kernel.org
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 0f9de2b44c0..3f3489c5ca8 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -9,7 +9,6 @@ menuconfig ACPI
depends on PCI
depends on PM
select PNP
- select CPU_IDLE
default y
help
Advanced Configuration and Power Interface (ACPI) support for
@@ -200,6 +199,7 @@ config ACPI_DOCK
config ACPI_PROCESSOR
tristate "Processor"
select THERMAL
+ select CPU_IDLE
default y
help
This driver installs ACPI as the idle handler for Linux and uses
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 310e3b9749c..d68bd61072b 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -935,6 +935,12 @@ static int __init acpi_bus_init(void)
goto error1;
}
+ /*
+ * _PDC control method may load dynamic SSDT tables,
+ * and we need to install the table handler before that.
+ */
+ acpi_sysfs_init();
+
acpi_early_processor_set_pdc();
/*
@@ -1026,7 +1032,6 @@ static int __init acpi_init(void)
acpi_scan_init();
acpi_ec_init();
acpi_power_init();
- acpi_sysfs_init();
acpi_debugfs_init();
acpi_sleep_proc_init();
acpi_wakeup_device_init();
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 44f99bd8374..81514a4918c 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -930,7 +930,7 @@ static struct attribute_group dock_attribute_group = {
* allocated and initialize a new dock station device. Find all devices
* that are on the dock station, and register for dock event notifications.
*/
-static int dock_add(acpi_handle handle)
+static int __init dock_add(acpi_handle handle)
{
int ret, id;
struct dock_station ds, *dock_station;
@@ -1024,7 +1024,7 @@ static int dock_remove(struct dock_station *ds)
*
* This is called by acpi_walk_namespace to look for dock stations.
*/
-static acpi_status
+static __init acpi_status
find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
{
if (is_dock(handle))
@@ -1033,7 +1033,7 @@ find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
return AE_OK;
}
-static acpi_status
+static __init acpi_status
find_bay(acpi_handle handle, u32 lvl, void *context, void **rv)
{
/* If bay is a dock, it's already handled */
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 0c2e445410a..966feddf6b1 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -875,16 +875,6 @@ void acpi_os_wait_events_complete(void *context)
EXPORT_SYMBOL(acpi_os_wait_events_complete);
/*
- * Allocate the memory for a spinlock and initialize it.
- */
-acpi_status acpi_os_create_lock(acpi_spinlock * handle)
-{
- spin_lock_init(*handle);
-
- return AE_OK;
-}
-
-/*
* Deallocate the memory for a spinlock.
*/
void acpi_os_delete_lock(acpi_spinlock handle)
@@ -1265,21 +1255,6 @@ int acpi_check_region(resource_size_t start, resource_size_t n,
}
EXPORT_SYMBOL(acpi_check_region);
-int acpi_check_mem_region(resource_size_t start, resource_size_t n,
- const char *name)
-{
- struct resource res = {
- .start = start,
- .end = start + n - 1,
- .name = name,
- .flags = IORESOURCE_MEM,
- };
-
- return acpi_check_resource_conflict(&res);
-
-}
-EXPORT_SYMBOL(acpi_check_mem_region);
-
/*
* Let drivers know whether the resource checks are effective
*/
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 356c320bdd0..85e48047d7b 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -917,6 +917,4 @@ static void __exit acpi_processor_exit(void)
module_init(acpi_processor_init);
module_exit(acpi_processor_exit);
-EXPORT_SYMBOL(acpi_processor_set_thermal_limit);
-
MODULE_ALIAS("processor");
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 953b25fb986..fde49b9b1d9 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -44,47 +44,6 @@
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_thermal");
-/* --------------------------------------------------------------------------
- Limit Interface
- -------------------------------------------------------------------------- */
-static int acpi_processor_apply_limit(struct acpi_processor *pr)
-{
- int result = 0;
- u16 px = 0;
- u16 tx = 0;
-
-
- if (!pr)
- return -EINVAL;
-
- if (!pr->flags.limit)
- return -ENODEV;
-
- if (pr->flags.throttling) {
- if (pr->limit.user.tx > tx)
- tx = pr->limit.user.tx;
- if (pr->limit.thermal.tx > tx)
- tx = pr->limit.thermal.tx;
-
- result = acpi_processor_set_throttling(pr, tx, false);
- if (result)
- goto end;
- }
-
- pr->limit.state.px = px;
- pr->limit.state.tx = tx;
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Processor [%d] limit set to (P%d:T%d)\n", pr->id,
- pr->limit.state.px, pr->limit.state.tx));
-
- end:
- if (result)
- printk(KERN_ERR PREFIX "Unable to set limit\n");
-
- return result;
-}
-
#ifdef CONFIG_CPU_FREQ
/* If a passive cooling situation is detected, primarily CPUfreq is used, as it
@@ -107,36 +66,6 @@ static int cpu_has_cpufreq(unsigned int cpu)
return 1;
}
-static int acpi_thermal_cpufreq_increase(unsigned int cpu)
-{
- if (!cpu_has_cpufreq(cpu))
- return -ENODEV;
-
- if (per_cpu(cpufreq_thermal_reduction_pctg, cpu) <
- CPUFREQ_THERMAL_MAX_STEP) {
- per_cpu(cpufreq_thermal_reduction_pctg, cpu)++;
- cpufreq_update_policy(cpu);
- return 0;
- }
-
- return -ERANGE;
-}
-
-static int acpi_thermal_cpufreq_decrease(unsigned int cpu)
-{
- if (!cpu_has_cpufreq(cpu))
- return -ENODEV;
-
- if (per_cpu(cpufreq_thermal_reduction_pctg, cpu) >
- (CPUFREQ_THERMAL_MIN_STEP + 1))
- per_cpu(cpufreq_thermal_reduction_pctg, cpu)--;
- else
- per_cpu(cpufreq_thermal_reduction_pctg, cpu) = 0;
- cpufreq_update_policy(cpu);
- /* We reached max freq again and can leave passive mode */
- return !per_cpu(cpufreq_thermal_reduction_pctg, cpu);
-}
-
static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb,
unsigned long event, void *data)
{
@@ -238,113 +167,6 @@ static int acpi_thermal_cpufreq_decrease(unsigned int cpu)
#endif
-int acpi_processor_set_thermal_limit(acpi_handle handle, int type)
-{
- int result = 0;
- struct acpi_processor *pr = NULL;
- struct acpi_device *device = NULL;
- int tx = 0, max_tx_px = 0;
-
-
- if ((type < ACPI_PROCESSOR_LIMIT_NONE)
- || (type > ACPI_PROCESSOR_LIMIT_DECREMENT))
- return -EINVAL;
-
- result = acpi_bus_get_device(handle, &device);
- if (result)
- return result;
-
- pr = acpi_driver_data(device);
- if (!pr)
- return -ENODEV;
-
- /* Thermal limits are always relative to the current Px/Tx state. */
- if (pr->flags.throttling)
- pr->limit.thermal.tx = pr->throttling.state;
-
- /*
- * Our default policy is to only use throttling at the lowest
- * performance state.
- */
-
- tx = pr->limit.thermal.tx;
-
- switch (type) {
-
- case ACPI_PROCESSOR_LIMIT_NONE:
- do {
- result = acpi_thermal_cpufreq_decrease(pr->id);
- } while (!result);
- tx = 0;
- break;
-
- case ACPI_PROCESSOR_LIMIT_INCREMENT:
- /* if going up: P-states first, T-states later */
-
- result = acpi_thermal_cpufreq_increase(pr->id);
- if (!result)
- goto end;
- else if (result == -ERANGE)
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "At maximum performance state\n"));
-
- if (pr->flags.throttling) {
- if (tx == (pr->throttling.state_count - 1))
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "At maximum throttling state\n"));
- else
- tx++;
- }
- break;
-
- case ACPI_PROCESSOR_LIMIT_DECREMENT:
- /* if going down: T-states first, P-states later */
-
- if (pr->flags.throttling) {
- if (tx == 0) {
- max_tx_px = 1;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "At minimum throttling state\n"));
- } else {
- tx--;
- goto end;
- }
- }
-
- result = acpi_thermal_cpufreq_decrease(pr->id);
- if (result) {
- /*
- * We only could get -ERANGE, 1 or 0.
- * In the first two cases we reached max freq again.
- */
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "At minimum performance state\n"));
- max_tx_px = 1;
- } else
- max_tx_px = 0;
-
- break;
- }
-
- end:
- if (pr->flags.throttling) {
- pr->limit.thermal.px = 0;
- pr->limit.thermal.tx = tx;
-
- result = acpi_processor_apply_limit(pr);
- if (result)
- printk(KERN_ERR PREFIX "Unable to set thermal limit\n");
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Thermal limit now (P%d:T%d)\n",
- pr->limit.thermal.px, pr->limit.thermal.tx));
- } else
- result = 0;
- if (max_tx_px)
- return 1;
- else
- return result;
-}
-
int acpi_processor_get_limit_info(struct acpi_processor *pr)
{
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index e807f4196f8..721d93b3cee 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -25,7 +25,7 @@
#include "internal.h"
#include "sleep.h"
-u8 sleep_states[ACPI_S_STATE_COUNT];
+static u8 sleep_states[ACPI_S_STATE_COUNT];
static u32 acpi_target_sleep_state = ACPI_STATE_S0;
@@ -419,6 +419,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"),
},
},
+ {
+ .callback = init_nvs_nosave,
+ .ident = "Sony Vaio VPCEB1Z1E",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VPCEB1Z1E"),
+ },
+ },
{},
};
#endif /* CONFIG_SUSPEND */
@@ -706,7 +714,7 @@ static void acpi_power_off(void)
* paths through the BIOS, so disable _GTS and _BFS by default,
* but do speak up and offer the option to enable them.
*/
-void __init acpi_gts_bfs_check(void)
+static void __init acpi_gts_bfs_check(void)
{
acpi_handle dummy;
diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
index d8821805c3b..74d59c8f467 100644
--- a/drivers/acpi/sleep.h
+++ b/drivers/acpi/sleep.h
@@ -1,5 +1,4 @@
-extern u8 sleep_states[];
extern int acpi_suspend(u32 state);
extern void acpi_enable_wakeup_devices(u8 sleep_state);
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 23d78b4d088..3090471b2a5 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -115,8 +115,6 @@ void pci_acpi_crs_quirks(void);
#define ACPI_PROCESSOR_LIMIT_INCREMENT 0x01
#define ACPI_PROCESSOR_LIMIT_DECREMENT 0x02
-int acpi_processor_set_thermal_limit(acpi_handle handle, int type);
-
/*--------------------------------------------------------------------------
Dock Station
-------------------------------------------------------------------------- */
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 43027432a05..65b3f5888f4 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -98,8 +98,6 @@ acpi_os_table_override(struct acpi_table_header *existing_table,
/*
* Spinlock primitives
*/
-acpi_status acpi_os_create_lock(acpi_spinlock * out_handle);
-
void acpi_os_delete_lock(acpi_spinlock handle);
acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock handle);
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 7774e6d8fdd..050a7bccb83 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -245,8 +245,6 @@ int acpi_check_resource_conflict(const struct resource *res);
int acpi_check_region(resource_size_t start, resource_size_t n,
const char *name);
-int acpi_check_mem_region(resource_size_t start, resource_size_t n,
- const char *name);
int acpi_resources_are_enforced(void);
@@ -347,12 +345,6 @@ static inline int acpi_check_region(resource_size_t start, resource_size_t n,
return 0;
}
-static inline int acpi_check_mem_region(resource_size_t start,
- resource_size_t n, const char *name)
-{
- return 0;
-}
-
struct acpi_table_header;
static inline int acpi_table_parse(char *id,
int (*handler)(struct acpi_table_header *))