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-rw-r--r--drivers/acpi/Kconfig2
-rw-r--r--drivers/acpi/container.c8
-rw-r--r--drivers/acpi/ec.c2
-rw-r--r--drivers/acpi/osl.c2
-rw-r--r--drivers/acpi/pci_irq.c7
-rw-r--r--drivers/acpi/processor_core.c8
-rw-r--r--drivers/acpi/processor_idle.c15
-rw-r--r--drivers/acpi/scan.c41
-rw-r--r--drivers/acpi/tables.c4
9 files changed, 55 insertions, 34 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index fce21c25752..6d61945260a 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -168,7 +168,6 @@ config ACPI_NUMA
config ACPI_ASUS
tristate "ASUS/Medion Laptop Extras"
depends on X86
- default y
---help---
This driver provides support for extra features of ACPI-compatible
ASUS laptops. As some of Medion laptops are made by ASUS, it may also
@@ -209,7 +208,6 @@ config ACPI_IBM
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
depends on X86
- default y
---help---
This driver adds support for access to certain system settings
on "legacy free" Toshiba laptops. These laptops can be recognized by
diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c
index 27ec12c1fab..b69a8cad82b 100644
--- a/drivers/acpi/container.c
+++ b/drivers/acpi/container.c
@@ -172,21 +172,21 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
if (ACPI_FAILURE(status) || !device) {
result = container_device_add(&device, handle);
if (!result)
- kobject_hotplug(&device->kobj,
- KOBJ_ONLINE);
+ kobject_uevent(&device->kobj,
+ KOBJ_ONLINE);
else
printk("Failed to add container\n");
}
} else {
if (ACPI_SUCCESS(status)) {
/* device exist and this is a remove request */
- kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
+ kobject_uevent(&device->kobj, KOBJ_OFFLINE);
}
}
break;
case ACPI_NOTIFY_EJECT_REQUEST:
if (!acpi_bus_get_device(handle, &device) && device) {
- kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
+ kobject_uevent(&device->kobj, KOBJ_OFFLINE);
}
break;
default:
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 7e1a445955b..3758b558d2b 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -153,7 +153,7 @@ static int acpi_ec_polling_mode = EC_POLLING;
Transaction Management
-------------------------------------------------------------------------- */
-static inline u32 acpi_ec_read_status(union acpi_ec *ec)
+static u32 acpi_ec_read_status(union acpi_ec *ec)
{
u32 status = 0;
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index e3cd0b16031..20c9a37643c 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -204,11 +204,13 @@ acpi_os_map_memory(acpi_physical_address phys, acpi_size size,
return AE_OK;
}
+EXPORT_SYMBOL_GPL(acpi_os_map_memory);
void acpi_os_unmap_memory(void __iomem * virt, acpi_size size)
{
iounmap(virt);
}
+EXPORT_SYMBOL_GPL(acpi_os_unmap_memory);
#ifdef ACPI_FUTURE_USAGE
acpi_status
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 09567c2edcf..e567c03b238 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -361,8 +361,7 @@ acpi_pci_irq_derive(struct pci_dev *dev,
if ((bridge->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) {
/* PC card has the same IRQ as its cardbridge */
- pci_read_config_byte(bridge, PCI_INTERRUPT_PIN,
- &bridge_pin);
+ bridge_pin = bridge->pin;
if (!bridge_pin) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
@@ -412,7 +411,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
if (!dev)
return_VALUE(-EINVAL);
- pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ pin = dev->pin;
if (!pin) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
@@ -503,7 +502,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
if (!dev || !dev->bus)
return_VOID;
- pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ pin = dev->pin;
if (!pin)
return_VOID;
pin--;
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 0c561c571f2..1278aca96fe 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -748,7 +748,7 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
return_VALUE(-ENODEV);
if ((pr->id >= 0) && (pr->id < NR_CPUS)) {
- kobject_hotplug(&(*device)->kobj, KOBJ_ONLINE);
+ kobject_uevent(&(*device)->kobj, KOBJ_ONLINE);
}
return_VALUE(0);
}
@@ -788,13 +788,13 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
}
if (pr->id >= 0 && (pr->id < NR_CPUS)) {
- kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
+ kobject_uevent(&device->kobj, KOBJ_OFFLINE);
break;
}
result = acpi_processor_start(device);
if ((!result) && ((pr->id >= 0) && (pr->id < NR_CPUS))) {
- kobject_hotplug(&device->kobj, KOBJ_ONLINE);
+ kobject_uevent(&device->kobj, KOBJ_ONLINE);
} else {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Device [%s] failed to start\n",
@@ -818,7 +818,7 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
}
if ((pr->id < NR_CPUS) && (cpu_present(pr->id)))
- kobject_hotplug(&device->kobj, KOBJ_OFFLINE);
+ kobject_uevent(&device->kobj, KOBJ_OFFLINE);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 807b0df308f..cc049338e41 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -843,6 +843,15 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
unsigned int i;
unsigned int working = 0;
+#ifdef ARCH_APICTIMER_STOPS_ON_C3
+ struct cpuinfo_x86 *c = cpu_data + pr->id;
+ cpumask_t mask = cpumask_of_cpu(pr->id);
+
+ if (c->x86_vendor == X86_VENDOR_INTEL) {
+ on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
+ }
+#endif
+
for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
struct acpi_processor_cx *cx = &pr->power.states[i];
@@ -857,6 +866,12 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
case ACPI_STATE_C3:
acpi_processor_power_verify_c3(pr, cx);
+#ifdef ARCH_APICTIMER_STOPS_ON_C3
+ if (c->x86_vendor == X86_VENDOR_INTEL) {
+ on_each_cpu(switch_APIC_timer_to_ipi,
+ &mask, 1, 1);
+ }
+#endif
break;
}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 31218e1d2a1..3b26a710436 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -78,7 +78,7 @@ static struct kobj_type ktype_acpi_ns = {
.release = acpi_device_release,
};
-static int namespace_hotplug(struct kset *kset, struct kobject *kobj,
+static int namespace_uevent(struct kset *kset, struct kobject *kobj,
char **envp, int num_envp, char *buffer,
int buffer_size)
{
@@ -89,8 +89,8 @@ static int namespace_hotplug(struct kset *kset, struct kobject *kobj,
if (!dev->driver)
return 0;
- if (add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size, &len,
- "PHYSDEVDRIVER=%s", dev->driver->name))
+ if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &len,
+ "PHYSDEVDRIVER=%s", dev->driver->name))
return -ENOMEM;
envp[i] = NULL;
@@ -98,8 +98,8 @@ static int namespace_hotplug(struct kset *kset, struct kobject *kobj,
return 0;
}
-static struct kset_hotplug_ops namespace_hotplug_ops = {
- .hotplug = &namespace_hotplug,
+static struct kset_uevent_ops namespace_uevent_ops = {
+ .uevent = &namespace_uevent,
};
static struct kset acpi_namespace_kset = {
@@ -108,7 +108,7 @@ static struct kset acpi_namespace_kset = {
},
.subsys = &acpi_subsys,
.ktype = &ktype_acpi_ns,
- .hotplug_ops = &namespace_hotplug_ops,
+ .uevent_ops = &namespace_uevent_ops,
};
static void acpi_device_register(struct acpi_device *device,
@@ -347,7 +347,7 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
}
/* --------------------------------------------------------------------------
- ACPI hotplug sysfs device file support
+ ACPI sysfs device file support
-------------------------------------------------------------------------- */
static ssize_t acpi_eject_store(struct acpi_device *device,
const char *buf, size_t count);
@@ -475,8 +475,10 @@ static LIST_HEAD(acpi_bus_drivers);
static DECLARE_MUTEX(acpi_bus_drivers_lock);
/**
- * acpi_bus_match
- * --------------
+ * acpi_bus_match - match device IDs to driver's supported IDs
+ * @device: the device that we are trying to match to a driver
+ * @driver: driver whose device id table is being checked
+ *
* Checks the device's hardware (_HID) or compatible (_CID) ids to see if it
* matches the specified driver's criteria.
*/
@@ -489,8 +491,10 @@ acpi_bus_match(struct acpi_device *device, struct acpi_driver *driver)
}
/**
- * acpi_bus_driver_init
- * --------------------
+ * acpi_bus_driver_init - add a device to a driver
+ * @device: the device to add and initialize
+ * @driver: driver for the device
+ *
* Used to initialize a device via its device driver. Called whenever a
* driver is bound to a device. Invokes the driver's add() and start() ops.
*/
@@ -603,8 +607,9 @@ static int acpi_driver_detach(struct acpi_driver *drv)
}
/**
- * acpi_bus_register_driver
- * ------------------------
+ * acpi_bus_register_driver - register a driver with the ACPI bus
+ * @driver: driver being registered
+ *
* Registers a driver with the ACPI bus. Searches the namespace for all
* devices that match the driver's criteria and binds. Returns the
* number of devices that were claimed by the driver, or a negative
@@ -633,8 +638,9 @@ int acpi_bus_register_driver(struct acpi_driver *driver)
EXPORT_SYMBOL(acpi_bus_register_driver);
/**
- * acpi_bus_unregister_driver
- * --------------------------
+ * acpi_bus_unregister_driver - unregisters a driver with the APIC bus
+ * @driver: driver to unregister
+ *
* Unregisters a driver with the ACPI bus. Searches the namespace for all
* devices that match the driver's criteria and unbinds.
*/
@@ -660,8 +666,9 @@ int acpi_bus_unregister_driver(struct acpi_driver *driver)
EXPORT_SYMBOL(acpi_bus_unregister_driver);
/**
- * acpi_bus_find_driver
- * --------------------
+ * acpi_bus_find_driver - check if there is a driver installed for the device
+ * @device: device that we are trying to find a supporting driver for
+ *
* Parses the list of registered drivers looking for a driver applicable for
* the specified device.
*/
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index a2bf25b05e1..31d4f3ffc26 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -37,7 +37,7 @@
#define PREFIX "ACPI: "
-#define ACPI_MAX_TABLES 256
+#define ACPI_MAX_TABLES 128
static char *acpi_table_signatures[ACPI_TABLE_COUNT] = {
[ACPI_TABLE_UNKNOWN] = "????",
@@ -74,7 +74,7 @@ struct acpi_table_sdt {
static unsigned long sdt_pa; /* Physical Address */
static unsigned long sdt_count; /* Table count */
-static struct acpi_table_sdt sdt_entry[ACPI_MAX_TABLES];
+static struct acpi_table_sdt sdt_entry[ACPI_MAX_TABLES] __initdata;
void acpi_table_print(struct acpi_table_header *header, unsigned long phys_addr)
{
generated by cgit (git 2.34.1) at 2025-06-04 04:12:15 +0000