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Merge branches 'bugzilla-25412' and 'bugzilla-25302' into release

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This commit is contained in:
Len Brown 2010-12-26 17:05:07 -05:00
commit bbbcde9d96
3 changed files with 63 additions and 42 deletions
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3
drivers/acpi/acpica/evgpeinit.c
View file

@ -408,6 +408,9 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
return_ACPI_STATUS(AE_OK);
}
/* Disable the GPE in case it's been enabled already. */
(void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
/*
* Add the GPE information from above to the gpe_event_info block for
* use during dispatch of this GPE.

5
drivers/acpi/battery.c
View file

@ -130,8 +130,6 @@ struct acpi_battery {
unsigned long flags;
};
static int acpi_battery_update(struct acpi_battery *battery);
#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
inline int acpi_battery_present(struct acpi_battery *battery)
@ -186,9 +184,6 @@ static int acpi_battery_get_property(struct power_supply *psy,
int ret = 0;
struct acpi_battery *battery = to_acpi_battery(psy);
if (acpi_battery_update(battery))
return -ENODEV;
if (acpi_battery_present(battery)) {
/* run battery update only if it is present */
acpi_battery_get_state(battery);

97
drivers/acpi/scan.c
View file

@ -705,54 +705,85 @@ static int acpi_bus_get_perf_flags(struct acpi_device *device)
}
static acpi_status
acpi_bus_extract_wakeup_device_power_package(struct acpi_device *device,
union acpi_object *package)
acpi_bus_extract_wakeup_device_power_package(acpi_handle handle,
struct acpi_device_wakeup *wakeup)
{
int i = 0;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *package = NULL;
union acpi_object *element = NULL;
acpi_status status;
int i = 0;
if (!device || !package || (package->package.count < 2))
if (!wakeup)
return AE_BAD_PARAMETER;
/* _PRW */
status = acpi_evaluate_object(handle, "_PRW", NULL, &buffer);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRW"));
return status;
}
package = (union acpi_object *)buffer.pointer;
if (!package || (package->package.count < 2)) {
status = AE_BAD_DATA;
goto out;
}
element = &(package->package.elements[0]);
if (!element)
return AE_BAD_PARAMETER;
if (!element) {
status = AE_BAD_DATA;
goto out;
}
if (element->type == ACPI_TYPE_PACKAGE) {
if ((element->package.count < 2) ||
(element->package.elements[0].type !=
ACPI_TYPE_LOCAL_REFERENCE)
|| (element->package.elements[1].type != ACPI_TYPE_INTEGER))
return AE_BAD_DATA;
device->wakeup.gpe_device =
|| (element->package.elements[1].type != ACPI_TYPE_INTEGER)) {
status = AE_BAD_DATA;
goto out;
}
wakeup->gpe_device =
element->package.elements[0].reference.handle;
device->wakeup.gpe_number =
wakeup->gpe_number =
(u32) element->package.elements[1].integer.value;
} else if (element->type == ACPI_TYPE_INTEGER) {
device->wakeup.gpe_number = element->integer.value;
} else
return AE_BAD_DATA;
wakeup->gpe_device = NULL;
wakeup->gpe_number = element->integer.value;
} else {
status = AE_BAD_DATA;
goto out;
}
element = &(package->package.elements[1]);
if (element->type != ACPI_TYPE_INTEGER) {
return AE_BAD_DATA;
status = AE_BAD_DATA;
goto out;
}
device->wakeup.sleep_state = element->integer.value;
wakeup->sleep_state = element->integer.value;
if ((package->package.count - 2) > ACPI_MAX_HANDLES) {
return AE_NO_MEMORY;
status = AE_NO_MEMORY;
goto out;
}
device->wakeup.resources.count = package->package.count - 2;
for (i = 0; i < device->wakeup.resources.count; i++) {
wakeup->resources.count = package->package.count - 2;
for (i = 0; i < wakeup->resources.count; i++) {
element = &(package->package.elements[i + 2]);
if (element->type != ACPI_TYPE_LOCAL_REFERENCE)
return AE_BAD_DATA;
if (element->type != ACPI_TYPE_LOCAL_REFERENCE) {
status = AE_BAD_DATA;
goto out;
}
device->wakeup.resources.handles[i] = element->reference.handle;
wakeup->resources.handles[i] = element->reference.handle;
}
acpi_gpe_can_wake(device->wakeup.gpe_device, device->wakeup.gpe_number);
acpi_gpe_can_wake(wakeup->gpe_device, wakeup->gpe_number);
return AE_OK;
out:
kfree(buffer.pointer);
return status;
}
static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
@ -787,26 +818,15 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
{
acpi_status status = 0;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *package = NULL;
int psw_error;
/* _PRW */
status = acpi_evaluate_object(device->handle, "_PRW", NULL, &buffer);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRW"));
goto end;
}
package = (union acpi_object *)buffer.pointer;
status = acpi_bus_extract_wakeup_device_power_package(device, package);
status = acpi_bus_extract_wakeup_device_power_package(device->handle,
&device->wakeup);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Extracting _PRW package"));
goto end;
}
kfree(buffer.pointer);
device->wakeup.flags.valid = 1;
device->wakeup.prepare_count = 0;
acpi_bus_set_run_wake_flags(device);
@ -1351,6 +1371,7 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl,
struct acpi_bus_ops *ops = context;
int type;
unsigned long long sta;
struct acpi_device_wakeup wakeup;
struct acpi_device *device;
acpi_status status;
int result;
@ -1360,8 +1381,10 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl,
return AE_OK;
if (!(sta & ACPI_STA_DEVICE_PRESENT) &&
!(sta & ACPI_STA_DEVICE_FUNCTIONING))
!(sta & ACPI_STA_DEVICE_FUNCTIONING)) {
acpi_bus_extract_wakeup_device_power_package(handle, &wakeup);
return AE_CTRL_DEPTH;
}
/*
* We may already have an acpi_device from a previous enumeration. If