ixgb: Use generic MDIO definitions
[safe/jmp/linux-2.6] / drivers / macintosh / therm_adt746x.c
index 7f86478..c0621d5 100644 (file)
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
-#include <linux/smp_lock.h>
 #include <linux/wait.h>
 #include <linux/suspend.h>
 #include <linux/kthread.h>
 #include <linux/moduleparam.h>
+#include <linux/freezer.h>
+#include <linux/of_platform.h>
 
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
 #include <asm/system.h>
 #include <asm/sections.h>
-#include <asm/of_device.h>
 
 #undef DEBUG
 
@@ -47,11 +47,11 @@ static u8 FAN_SPD_SET[2] = {0x30, 0x31};
 
 static u8 default_limits_local[3] = {70, 50, 70};    /* local, sensor1, sensor2 */
 static u8 default_limits_chip[3] = {80, 65, 80};    /* local, sensor1, sensor2 */
-static char *sensor_location[3] = {NULL, NULL, NULL};
+static const char *sensor_location[3];
 
-static int limit_adjust = 0;
+static int limit_adjust;
 static int fan_speed = -1;
-static int verbose = 0;
+static int verbose;
 
 MODULE_AUTHOR("Colin Leroy <colin@colino.net>");
 MODULE_DESCRIPTION("Driver for ADT746x thermostat in iBook G4 and "
@@ -335,6 +335,7 @@ static int monitor_task(void *arg)
 {
        struct thermostat* th = arg;
 
+       set_freezable();
        while(!kthread_should_stop()) {
                try_to_freeze();
                msleep_interruptible(2000);
@@ -378,13 +379,10 @@ static int attach_one_thermostat(struct i2c_adapter *adapter, int addr,
        if (thermostat)
                return 0;
 
-       th = (struct thermostat *)
-               kmalloc(sizeof(struct thermostat), GFP_KERNEL);
-
+       th = kzalloc(sizeof(struct thermostat), GFP_KERNEL);
        if (!th)
                return -ENOMEM;
 
-       memset(th, 0, sizeof(*th));
        th->clt.addr = addr;
        th->clt.adapter = adapter;
        th->clt.driver = &thermostat_driver;
@@ -500,8 +498,8 @@ static ssize_t store_##name(struct device *dev, struct device_attribute *attr, c
 #define BUILD_STORE_FUNC_INT(name, data)                       \
 static ssize_t store_##name(struct device *dev, struct device_attribute *attr, const char *buf, size_t n) \
 {                                                              \
-       u32 val;                                                \
-       val = simple_strtoul(buf, NULL, 10);                    \
+       int val;                                                \
+       val = simple_strtol(buf, NULL, 10);                     \
        if (val < 0 || val > 255)                               \
                return -EINVAL;                                 \
        printk(KERN_INFO "Setting specified fan speed to %d\n", val);   \
@@ -553,28 +551,35 @@ static int __init
 thermostat_init(void)
 {
        struct device_node* np;
-       u32 *prop;
+       const u32 *prop;
        int i = 0, offset = 0;
-       
+       int err;
+
        np = of_find_node_by_name(NULL, "fan");
        if (!np)
                return -ENODEV;
-       if (device_is_compatible(np, "adt7460"))
+       if (of_device_is_compatible(np, "adt7460"))
                therm_type = ADT7460;
-       else if (device_is_compatible(np, "adt7467"))
+       else if (of_device_is_compatible(np, "adt7467"))
                therm_type = ADT7467;
-       else
+       else {
+               of_node_put(np);
                return -ENODEV;
+       }
 
-       prop = (u32 *)get_property(np, "hwsensor-params-version", NULL);
+       prop = of_get_property(np, "hwsensor-params-version", NULL);
        printk(KERN_INFO "adt746x: version %d (%ssupported)\n", *prop,
                         (*prop == 1)?"":"un");
-       if (*prop != 1)
+       if (*prop != 1) {
+               of_node_put(np);
                return -ENODEV;
+       }
 
-       prop = (u32 *)get_property(np, "reg", NULL);
-       if (!prop)
+       prop = of_get_property(np, "reg", NULL);
+       if (!prop) {
+               of_node_put(np);
                return -ENODEV;
+       }
 
        /* look for bus either by path or using "reg" */
        if (strstr(np->full_name, "/i2c-bus@") != NULL) {
@@ -590,9 +595,9 @@ thermostat_init(void)
                         "limit_adjust: %d, fan_speed: %d\n",
                         therm_bus, therm_address, limit_adjust, fan_speed);
 
-       if (get_property(np, "hwsensor-location", NULL)) {
+       if (of_get_property(np, "hwsensor-location", NULL)) {
                for (i = 0; i < 3; i++) {
-                       sensor_location[i] = get_property(np,
+                       sensor_location[i] = of_get_property(np,
                                        "hwsensor-location", NULL) + offset;
 
                        if (sensor_location[i] == NULL)
@@ -608,23 +613,27 @@ thermostat_init(void)
        }
 
        of_dev = of_platform_device_create(np, "temperatures", NULL);
-       
+       of_node_put(np);
+
        if (of_dev == NULL) {
                printk(KERN_ERR "Can't register temperatures device !\n");
                return -ENODEV;
        }
-       
-       device_create_file(&of_dev->dev, &dev_attr_sensor1_temperature);
-       device_create_file(&of_dev->dev, &dev_attr_sensor2_temperature);
-       device_create_file(&of_dev->dev, &dev_attr_sensor1_limit);
-       device_create_file(&of_dev->dev, &dev_attr_sensor2_limit);
-       device_create_file(&of_dev->dev, &dev_attr_sensor1_location);
-       device_create_file(&of_dev->dev, &dev_attr_sensor2_location);
-       device_create_file(&of_dev->dev, &dev_attr_limit_adjust);
-       device_create_file(&of_dev->dev, &dev_attr_specified_fan_speed);
-       device_create_file(&of_dev->dev, &dev_attr_sensor1_fan_speed);
+
+       err = device_create_file(&of_dev->dev, &dev_attr_sensor1_temperature);
+       err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_temperature);
+       err |= device_create_file(&of_dev->dev, &dev_attr_sensor1_limit);
+       err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_limit);
+       err |= device_create_file(&of_dev->dev, &dev_attr_sensor1_location);
+       err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_location);
+       err |= device_create_file(&of_dev->dev, &dev_attr_limit_adjust);
+       err |= device_create_file(&of_dev->dev, &dev_attr_specified_fan_speed);
+       err |= device_create_file(&of_dev->dev, &dev_attr_sensor1_fan_speed);
        if(therm_type == ADT7460)
-               device_create_file(&of_dev->dev, &dev_attr_sensor2_fan_speed);
+               err |= device_create_file(&of_dev->dev, &dev_attr_sensor2_fan_speed);
+       if (err)
+               printk(KERN_WARNING
+                       "Failed to create tempertaure attribute file(s).\n");
 
 #ifndef CONFIG_I2C_POWERMAC
        request_module("i2c-powermac");