* concepts of 'multiple limiters', upper/lower limits, etc.
*/
+#define pr_fmt(fmt) "ACPI: thermal: " fmt
+
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/dmi.h>
#include <linux/uaccess.h>
#include <linux/units.h>
-#define PREFIX "ACPI: "
-
#define ACPI_THERMAL_CLASS "thermal_zone"
#define ACPI_THERMAL_DEVICE_NAME "Thermal Zone"
#define ACPI_THERMAL_NOTIFY_TEMPERATURE 0x80
#define ACPI_THERMAL_MAX_ACTIVE 10
#define ACPI_THERMAL_MAX_LIMIT_STR_LEN 65
-#define _COMPONENT ACPI_THERMAL_COMPONENT
-ACPI_MODULE_NAME("thermal");
-
MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI Thermal Zone Driver");
MODULE_LICENSE("GPL");
return -ENODEV;
tz->temperature = tmp;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n",
- tz->temperature));
+
+ acpi_handle_debug(tz->device->handle, "Temperature is %lu dK\n",
+ tz->temperature);
return 0;
}
return -ENODEV;
tz->polling_frequency = tmp;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n",
- tz->polling_frequency));
+ acpi_handle_debug(tz->device->handle, "Polling frequency is %lu dS\n",
+ tz->polling_frequency);
return 0;
}
* 2.TODO: Devices listed in _PSL, _ALx, _TZD may change.
* We need to re-bind the cooling devices of a thermal zone when this occurs.
*/
-#define ACPI_THERMAL_TRIPS_EXCEPTION(flags, str) \
+#define ACPI_THERMAL_TRIPS_EXCEPTION(flags, tz, str) \
do { \
if (flags != ACPI_TRIPS_INIT) \
- ACPI_EXCEPTION((AE_INFO, AE_ERROR, \
+ acpi_handle_info(tz->device->handle, \
"ACPI thermal trip point %s changed\n" \
- "Please send acpidump to linux-acpi@vger.kernel.org", str)); \
+ "Please report to linux-acpi@vger.kernel.org\n", str); \
} while (0)
static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
*/
if (ACPI_FAILURE(status)) {
tz->trips.critical.flags.valid = 0;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "No critical threshold\n"));
+ acpi_handle_debug(tz->device->handle,
+ "No critical threshold\n");
} else if (tmp <= 2732) {
- pr_warn(FW_BUG "Invalid critical threshold (%llu)\n",
+ pr_info(FW_BUG "Invalid critical threshold (%llu)\n",
tmp);
tz->trips.critical.flags.valid = 0;
} else {
tz->trips.critical.flags.valid = 1;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ acpi_handle_debug(tz->device->handle,
"Found critical threshold [%lu]\n",
- tz->trips.critical.temperature));
+ tz->trips.critical.temperature);
}
if (tz->trips.critical.flags.valid == 1) {
if (crt == -1) {
* Allow override critical threshold
*/
if (crt_k > tz->trips.critical.temperature)
- pr_warn(PREFIX "Critical threshold %d C\n",
- crt);
+ pr_info("Critical threshold %d C\n", crt);
+
tz->trips.critical.temperature = crt_k;
}
}
"_HOT", NULL, &tmp);
if (ACPI_FAILURE(status)) {
tz->trips.hot.flags.valid = 0;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "No hot threshold\n"));
+ acpi_handle_debug(tz->device->handle,
+ "No hot threshold\n");
} else {
tz->trips.hot.temperature = tmp;
tz->trips.hot.flags.valid = 1;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Found hot threshold [%lu]\n",
- tz->trips.hot.temperature));
+ acpi_handle_debug(tz->device->handle,
+ "Found hot threshold [%lu]\n",
+ tz->trips.hot.temperature);
}
}
status = acpi_evaluate_reference(tz->device->handle, "_PSL",
NULL, &devices);
if (ACPI_FAILURE(status)) {
- pr_warn(PREFIX "Invalid passive threshold\n");
+ acpi_handle_info(tz->device->handle,
+ "Invalid passive threshold\n");
tz->trips.passive.flags.valid = 0;
}
else
sizeof(struct acpi_handle_list))) {
memcpy(&tz->trips.passive.devices, &devices,
sizeof(struct acpi_handle_list));
- ACPI_THERMAL_TRIPS_EXCEPTION(flag, "device");
+ ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "device");
}
}
if ((flag & ACPI_TRIPS_PASSIVE) || (flag & ACPI_TRIPS_DEVICES)) {
if (valid != tz->trips.passive.flags.valid)
- ACPI_THERMAL_TRIPS_EXCEPTION(flag, "state");
+ ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state");
}
/* Active (optional) */
status = acpi_evaluate_reference(tz->device->handle,
name, NULL, &devices);
if (ACPI_FAILURE(status)) {
- pr_warn(PREFIX "Invalid active%d threshold\n",
- i);
+ acpi_handle_info(tz->device->handle,
+ "Invalid active%d threshold\n", i);
tz->trips.active[i].flags.valid = 0;
}
else
sizeof(struct acpi_handle_list))) {
memcpy(&tz->trips.active[i].devices, &devices,
sizeof(struct acpi_handle_list));
- ACPI_THERMAL_TRIPS_EXCEPTION(flag, "device");
+ ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "device");
}
}
if ((flag & ACPI_TRIPS_ACTIVE) || (flag & ACPI_TRIPS_DEVICES))
if (valid != tz->trips.active[i].flags.valid)
- ACPI_THERMAL_TRIPS_EXCEPTION(flag, "state");
+ ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "state");
if (!tz->trips.active[i].flags.valid)
break;
if (ACPI_SUCCESS(status)
&& memcmp(&tz->devices, &devices, sizeof(devices))) {
tz->devices = devices;
- ACPI_THERMAL_TRIPS_EXCEPTION(flag, "device");
+ ACPI_THERMAL_TRIPS_EXCEPTION(flag, tz, "device");
}
}
return 0;
}
-
-static int thermal_notify(struct thermal_zone_device *thermal, int trip,
- enum thermal_trip_type trip_type)
+static void acpi_thermal_zone_device_hot(struct thermal_zone_device *thermal)
{
- u8 type = 0;
struct acpi_thermal *tz = thermal->devdata;
- if (trip_type == THERMAL_TRIP_CRITICAL)
- type = ACPI_THERMAL_NOTIFY_CRITICAL;
- else if (trip_type == THERMAL_TRIP_HOT)
- type = ACPI_THERMAL_NOTIFY_HOT;
- else
- return 0;
-
acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
- dev_name(&tz->device->dev), type, 1);
+ dev_name(&tz->device->dev),
+ ACPI_THERMAL_NOTIFY_HOT, 1);
+}
+
+static void acpi_thermal_zone_device_critical(struct thermal_zone_device *thermal)
+{
+ struct acpi_thermal *tz = thermal->devdata;
- if (trip_type == THERMAL_TRIP_CRITICAL && nocrt)
- return 1;
+ acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
+ dev_name(&tz->device->dev),
+ ACPI_THERMAL_NOTIFY_CRITICAL, 1);
- return 0;
+ thermal_zone_device_critical(thermal);
}
static int acpi_thermal_cooling_device_cb(struct thermal_zone_device *thermal,
}
}
- for (i = 0; i < tz->devices.count; i++) {
- handle = tz->devices.handles[i];
- status = acpi_bus_get_device(handle, &dev);
- if (ACPI_SUCCESS(status) && (dev == device)) {
- if (bind)
- result = thermal_zone_bind_cooling_device
- (thermal, THERMAL_TRIPS_NONE,
- cdev, THERMAL_NO_LIMIT,
- THERMAL_NO_LIMIT,
- THERMAL_WEIGHT_DEFAULT);
- else
- result = thermal_zone_unbind_cooling_device
- (thermal, THERMAL_TRIPS_NONE,
- cdev);
- if (result)
- goto failed;
- }
- }
-
failed:
return result;
}
.get_trip_temp = thermal_get_trip_temp,
.get_crit_temp = thermal_get_crit_temp,
.get_trend = thermal_get_trend,
- .notify = thermal_notify,
+ .hot = acpi_thermal_zone_device_hot,
+ .critical = acpi_thermal_zone_device_critical,
};
static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
dev_name(&device->dev), event, 0);
break;
default:
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Unsupported event [0x%x]\n", event));
+ acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n",
+ event);
break;
}
}
mutex_init(&tz->thermal_check_lock);
INIT_WORK(&tz->thermal_check_work, acpi_thermal_check_fn);
- pr_info(PREFIX "%s [%s] (%ld C)\n", acpi_device_name(device),
+ pr_info("%s [%s] (%ld C)\n", acpi_device_name(device),
acpi_device_bid(device), deci_kelvin_to_celsius(tz->temperature));
goto end;
static int thermal_act(const struct dmi_system_id *d) {
if (act == 0) {
- pr_notice(PREFIX "%s detected: "
- "disabling all active thermal trip points\n", d->ident);
+ pr_notice("%s detected: disabling all active thermal trip points\n",
+ d->ident);
act = -1;
}
return 0;
}
static int thermal_nocrt(const struct dmi_system_id *d) {
- pr_notice(PREFIX "%s detected: "
- "disabling all critical thermal trip point actions.\n", d->ident);
+ pr_notice("%s detected: disabling all critical thermal trip point actions.\n",
+ d->ident);
nocrt = 1;
return 0;
}
static int thermal_tzp(const struct dmi_system_id *d) {
if (tzp == 0) {
- pr_notice(PREFIX "%s detected: "
- "enabling thermal zone polling\n", d->ident);
+ pr_notice("%s detected: enabling thermal zone polling\n",
+ d->ident);
tzp = 300; /* 300 dS = 30 Seconds */
}
return 0;
static int thermal_psv(const struct dmi_system_id *d) {
if (psv == 0) {
- pr_notice(PREFIX "%s detected: "
- "disabling all passive thermal trip points\n", d->ident);
+ pr_notice("%s detected: disabling all passive thermal trip points\n",
+ d->ident);
psv = -1;
}
return 0;
dmi_check_system(thermal_dmi_table);
if (off) {
- pr_notice(PREFIX "thermal control disabled\n");
+ pr_notice("thermal control disabled\n");
return -ENODEV;
}
projects / linux-2.6-microblaze.git / blobdiff