X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fmax1619.c;h=b4135b5971f4d67d25404532c75c9472132f4ff2;hb=9a61bf6300533d3b64d7ff29adfec00e596de67d;hp=56c34c2d3619312b269310027acc18aff37be304;hpb=943b0830cebe4711354945ed3cb44e84152aaca0;p=safe%2Fjmp%2Flinux-2.6

diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c
index 56c34c2..b4135b5 100644
--- a/drivers/hwmon/max1619.c
+++ b/drivers/hwmon/max1619.c
@@ -31,21 +31,20 @@
 #include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
 #include <linux/hwmon.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 
 static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
 					0x29, 0x2a, 0x2b,
 					0x4c, 0x4d, 0x4e,
 					I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
 
 /*
  * Insmod parameters
  */
 
-SENSORS_INSMOD_1(max1619);
+I2C_CLIENT_INSMOD_1(max1619);
 
 /*
  * The MAX1619 registers
@@ -92,9 +91,9 @@ static struct max1619_data *max1619_update_device(struct device *dev);
  */
 
 static struct i2c_driver max1619_driver = {
-	.owner		= THIS_MODULE,
-	.name		= "max1619",
-	.flags		= I2C_DF_NOTIFY,
+	.driver = {
+		.name	= "max1619",
+	},
 	.attach_adapter	= max1619_attach_adapter,
 	.detach_client	= max1619_detach_client,
 };
@@ -106,7 +105,7 @@ static struct i2c_driver max1619_driver = {
 struct max1619_data {
 	struct i2c_client client;
 	struct class_device *class_dev;
-	struct semaphore update_lock;
+	struct mutex update_lock;
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
 
@@ -143,10 +142,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
 	struct max1619_data *data = i2c_get_clientdata(client); \
 	long val = simple_strtol(buf, NULL, 10); \
  \
-	down(&data->update_lock); \
+	mutex_lock(&data->update_lock); \
 	data->value = TEMP_TO_REG(val); \
 	i2c_smbus_write_byte_data(client, reg, data->value); \
-	up(&data->update_lock); \
+	mutex_unlock(&data->update_lock); \
 	return count; \
 }
 
@@ -181,7 +180,7 @@ static int max1619_attach_adapter(struct i2c_adapter *adapter)
 {
 	if (!(adapter->class & I2C_CLASS_HWMON))
 		return 0;
-	return i2c_detect(adapter, &addr_data, max1619_detect);
+	return i2c_probe(adapter, &addr_data, max1619_detect);
 }
 
 /*
@@ -195,15 +194,14 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
 	int err = 0;
 	const char *name = "";	
 	u8 reg_config=0, reg_convrate=0, reg_status=0;
-	u8 man_id, chip_id;
+
 	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		goto exit;
 
-	if (!(data = kmalloc(sizeof(struct max1619_data), GFP_KERNEL))) {
+	if (!(data = kzalloc(sizeof(struct max1619_data), GFP_KERNEL))) {
 		err = -ENOMEM;
 		goto exit;
 	}
-	memset(data, 0, sizeof(struct max1619_data));
 
 	/* The common I2C client data is placed right before the
 	   MAX1619-specific data. */
@@ -241,16 +239,15 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
 	}
 
 	if (kind <= 0) { /* identification */
+		u8 man_id, chip_id;
 	
 		man_id = i2c_smbus_read_byte_data(new_client,
 			 MAX1619_REG_R_MAN_ID);
 		chip_id = i2c_smbus_read_byte_data(new_client,
 			  MAX1619_REG_R_CHIP_ID);
 		
-		if ((man_id == 0x4D) && (chip_id == 0x04)){  
-				kind = max1619;
-			}
-		}
+		if ((man_id == 0x4D) && (chip_id == 0x04))
+			kind = max1619;
 
 		if (kind <= 0) { /* identification failed */
 			dev_info(&adapter->dev,
@@ -258,16 +255,15 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
 			    "chip_id=0x%02X).\n", man_id, chip_id);
 			goto exit_free;
 		}
-	
+	}
 
-	if (kind == max1619){
+	if (kind == max1619)
 		name = "max1619";
-	}
 
 	/* We can fill in the remaining client fields */
 	strlcpy(new_client->name, name, I2C_NAME_SIZE);
 	data->valid = 0;
-	init_MUTEX(&data->update_lock);
+	mutex_init(&data->update_lock);
 
 	/* Tell the I2C layer a new client has arrived */
 	if ((err = i2c_attach_client(new_client)))
@@ -323,11 +319,8 @@ static int max1619_detach_client(struct i2c_client *client)
 
 	hwmon_device_unregister(data->class_dev);
 
-	if ((err = i2c_detach_client(client))) {
-		dev_err(&client->dev, "Client deregistration failed, "
-			"client not detached.\n");
+	if ((err = i2c_detach_client(client)))
 		return err;
-	}
 
 	kfree(data);
 	return 0;
@@ -338,7 +331,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
 	struct i2c_client *client = to_i2c_client(dev);
 	struct max1619_data *data = i2c_get_clientdata(client);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
 		dev_dbg(&client->dev, "Updating max1619 data.\n");
@@ -361,7 +354,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
 		data->valid = 1;
 	}
 
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 
 	return data;
 }