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authorPatrick Mochel <mochel@linux.intel.com>2006-05-19 16:54:40 -0400
committerLen Brown <len.brown@intel.com>2006-06-30 02:32:17 -0400
commit8348e1b19a06b1932f65e84e1d59be29e1626c2b (patch)
treeb62bb32918767e371e0faf3dc9877f260cb5bcff /drivers/acpi
parent32917e5b589d813c9dc0f2d140d8c52898ddb6fb (diff)
ACPI: thermal: add struct acpi_device to struct acpi_thermal.
- Use it instead of acpi_bus_get_device() where we can.. Signed-off-by: Patrick Mochel <mochel@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/thermal.c25
1 files changed, 5 insertions, 20 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index c855f4446b5..1d8c250c3c7 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -163,6 +163,7 @@ struct acpi_thermal_flags {
struct acpi_thermal {
acpi_handle handle;
+ struct acpi_device * device;
acpi_bus_id name;
unsigned long temperature;
unsigned long last_temperature;
@@ -453,10 +454,6 @@ static int acpi_thermal_call_usermode(char *path)
static int acpi_thermal_critical(struct acpi_thermal *tz)
{
- int result = 0;
- struct acpi_device *device = NULL;
-
-
if (!tz || !tz->trips.critical.flags.valid)
return -EINVAL;
@@ -466,14 +463,10 @@ static int acpi_thermal_critical(struct acpi_thermal *tz)
} else if (tz->trips.critical.flags.enabled)
tz->trips.critical.flags.enabled = 0;
- result = acpi_bus_get_device(tz->handle, &device);
- if (result)
- return result;
-
printk(KERN_EMERG
"Critical temperature reached (%ld C), shutting down.\n",
KELVIN_TO_CELSIUS(tz->temperature));
- acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_CRITICAL,
+ acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL,
tz->trips.critical.flags.enabled);
acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF);
@@ -483,10 +476,6 @@ static int acpi_thermal_critical(struct acpi_thermal *tz)
static int acpi_thermal_hot(struct acpi_thermal *tz)
{
- int result = 0;
- struct acpi_device *device = NULL;
-
-
if (!tz || !tz->trips.hot.flags.valid)
return -EINVAL;
@@ -496,11 +485,7 @@ static int acpi_thermal_hot(struct acpi_thermal *tz)
} else if (tz->trips.hot.flags.enabled)
tz->trips.hot.flags.enabled = 0;
- result = acpi_bus_get_device(tz->handle, &device);
- if (result)
- return result;
-
- acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT,
+ acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_HOT,
tz->trips.hot.flags.enabled);
/* TBD: Call user-mode "sleep(S4)" function */
@@ -1193,8 +1178,7 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
if (!tz)
return;
- if (acpi_bus_get_device(tz->handle, &device))
- return;
+ device = tz->device;
switch (event) {
case ACPI_THERMAL_NOTIFY_TEMPERATURE:
@@ -1294,6 +1278,7 @@ static int acpi_thermal_add(struct acpi_device *device)
memset(tz, 0, sizeof(struct acpi_thermal));
tz->handle = device->handle;
+ tz->device = device;
strcpy(tz->name, device->pnp.bus_id);
strcpy(acpi_device_name(device), ACPI_THERMAL_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_THERMAL_CLASS);