Merge branch 'sysfs' into release

[linux-2.6-omap-h63xx.git] / drivers / acpi / thermal.c

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 263ec08a901188d37f2b90b7dbbbc729734e9f0d..073ff09218a9be62ac2acc25601080b4c87976e6 100644 (file)
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -47,7 +47,6 @@
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
-#define ACPI_THERMAL_COMPONENT         0x04000000
 #define ACPI_THERMAL_CLASS             "thermal_zone"
 #define ACPI_THERMAL_DEVICE_NAME       "Thermal Zone"
 #define ACPI_THERMAL_FILE_STATE                "state"
@@ -246,18 +245,18 @@ static const struct file_operations acpi_thermal_polling_fops = {
 static int acpi_thermal_get_temperature(struct acpi_thermal *tz)
 {
        acpi_status status = AE_OK;
-
+       unsigned long long tmp;
 
        if (!tz)
                return -EINVAL;
 
        tz->last_temperature = tz->temperature;
 
-       status =
-           acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tz->temperature);
+       status = acpi_evaluate_integer(tz->device->handle, "_TMP", NULL, &tmp);
        if (ACPI_FAILURE(status))
                return -ENODEV;
 
+       tz->temperature = tmp;
        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n",
                          tz->temperature));
 
@@ -267,17 +266,16 @@ static int acpi_thermal_get_temperature(struct acpi_thermal *tz)
 static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
 {
        acpi_status status = AE_OK;
-
+       unsigned long long tmp;
 
        if (!tz)
                return -EINVAL;
 
-       status =
-           acpi_evaluate_integer(tz->device->handle, "_TZP", NULL,
-                                 &tz->polling_frequency);
+       status = acpi_evaluate_integer(tz->device->handle, "_TZP", NULL, &tmp);
        if (ACPI_FAILURE(status))
                return -ENODEV;
 
+       tz->polling_frequency = tmp;
        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n",
                          tz->polling_frequency));
 
@@ -356,6 +354,7 @@ do {        \
 static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 {
        acpi_status status = AE_OK;
+       unsigned long long tmp;
        struct acpi_handle_list devices;
        int valid = 0;
        int i;
@@ -363,7 +362,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
        /* Critical Shutdown (required) */
        if (flag & ACPI_TRIPS_CRITICAL) {
                status = acpi_evaluate_integer(tz->device->handle,
-                               "_CRT", NULL, &tz->trips.critical.temperature);
+                               "_CRT", NULL, &tmp);
+               tz->trips.critical.temperature = tmp;
                /*
                 * Treat freezing temperatures as invalid as well; some
                 * BIOSes return really low values and cause reboots at startup.
@@ -388,10 +388,12 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
                        } else if (crt > 0) {
                                unsigned long crt_k = CELSIUS_TO_KELVIN(crt);
                                /*
-                                * Allow override to lower critical threshold
+                                * Allow override critical threshold
                                 */
-                               if (crt_k < tz->trips.critical.temperature)
-                                       tz->trips.critical.temperature = crt_k;
+                               if (crt_k > tz->trips.critical.temperature)
+                                       printk(KERN_WARNING PREFIX
+                                               "Critical threshold %d C\n", crt);
+                               tz->trips.critical.temperature = crt_k;
                        }
                }
        }
@@ -399,12 +401,13 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
        /* Critical Sleep (optional) */
        if (flag & ACPI_TRIPS_HOT) {
                status = acpi_evaluate_integer(tz->device->handle,
-                               "_HOT", NULL, &tz->trips.hot.temperature);
+                               "_HOT", NULL, &tmp);
                if (ACPI_FAILURE(status)) {
                        tz->trips.hot.flags.valid = 0;
                        ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                        "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",
@@ -418,33 +421,40 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
                if (psv == -1) {
                        status = AE_SUPPORT;
                } else if (psv > 0) {
-                       tz->trips.passive.temperature = CELSIUS_TO_KELVIN(psv);
+                       tmp = CELSIUS_TO_KELVIN(psv);
                        status = AE_OK;
                } else {
                        status = acpi_evaluate_integer(tz->device->handle,
-                               "_PSV", NULL, &tz->trips.passive.temperature);
+                               "_PSV", NULL, &tmp);
                }
 
                if (ACPI_FAILURE(status))
                        tz->trips.passive.flags.valid = 0;
                else {
+                       tz->trips.passive.temperature = tmp;
                        tz->trips.passive.flags.valid = 1;
                        if (flag == ACPI_TRIPS_INIT) {
                                status = acpi_evaluate_integer(
                                                tz->device->handle, "_TC1",
-                                               NULL, &tz->trips.passive.tc1);
+                                               NULL, &tmp);
                                if (ACPI_FAILURE(status))
                                        tz->trips.passive.flags.valid = 0;
+                               else
+                                       tz->trips.passive.tc1 = tmp;
                                status = acpi_evaluate_integer(
                                                tz->device->handle, "_TC2",
-                                               NULL, &tz->trips.passive.tc2);
+                                               NULL, &tmp);
                                if (ACPI_FAILURE(status))
                                        tz->trips.passive.flags.valid = 0;
+                               else
+                                       tz->trips.passive.tc2 = tmp;
                                status = acpi_evaluate_integer(
                                                tz->device->handle, "_TSP",
-                                               NULL, &tz->trips.passive.tsp);
+                                               NULL, &tmp);
                                if (ACPI_FAILURE(status))
                                        tz->trips.passive.flags.valid = 0;
+                               else
+                                       tz->trips.passive.tsp = tmp;
                        }
                }
        }
@@ -479,7 +489,7 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 
                if (flag & ACPI_TRIPS_ACTIVE) {
                        status = acpi_evaluate_integer(tz->device->handle,
-                               name, NULL, &tz->trips.active[i].temperature);
+                                                       name, NULL, &tmp);
                        if (ACPI_FAILURE(status)) {
                                tz->trips.active[i].flags.valid = 0;
                                if (i == 0)
@@ -500,8 +510,10 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
                                                tz->trips.active[i - 2].temperature :
                                                CELSIUS_TO_KELVIN(act));
                                break;
-                       } else
+                       } else {
+                               tz->trips.active[i].temperature = tmp;
                                tz->trips.active[i].flags.valid = 1;
+                       }
                }
 
                name[2] = 'L';
@@ -563,7 +575,7 @@ static int acpi_thermal_critical(struct acpi_thermal *tz)
        acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL,
                                tz->trips.critical.flags.enabled);
        acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
-                                         tz->device->dev.bus_id,
+                                         dev_name(&tz->device->dev),
                                          ACPI_THERMAL_NOTIFY_CRITICAL,
                                          tz->trips.critical.flags.enabled);
 
@@ -592,7 +604,7 @@ static int acpi_thermal_hot(struct acpi_thermal *tz)
        acpi_bus_generate_proc_event(tz->device, ACPI_THERMAL_NOTIFY_HOT,
                                tz->trips.hot.flags.enabled);
        acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
-                                         tz->device->dev.bus_id,
+                                         dev_name(&tz->device->dev),
                                          ACPI_THERMAL_NOTIFY_HOT,
                                          tz->trips.hot.flags.enabled);
 
@@ -1579,14 +1591,14 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data)
                acpi_thermal_check(tz);
                acpi_bus_generate_proc_event(device, event, 0);
                acpi_bus_generate_netlink_event(device->pnp.device_class,
-                                                 device->dev.bus_id, event, 0);
+                                                 dev_name(&device->dev), event, 0);
                break;
        case ACPI_THERMAL_NOTIFY_DEVICES:
                acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);
                acpi_thermal_check(tz);
                acpi_bus_generate_proc_event(device, event, 0);
                acpi_bus_generate_netlink_event(device->pnp.device_class,
-                                                 device->dev.bus_id, event, 0);
+                                                 dev_name(&device->dev), event, 0);
                break;
        default:
                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -1647,7 +1659,7 @@ static int acpi_thermal_add(struct acpi_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);
-       acpi_driver_data(device) = tz;
+       device->driver_data = tz;
        mutex_init(&tz->lock);