commit 9a61bf6300533d3b64d7ff29adfec00e596de67d
author Ingo Molnar <mingo@elte.hu> Wed Jan 18 23:19:26 2006 +0100
committer Greg Kroah-Hartman <gregkh@suse.de> Thu Mar 23 14:21:52 2006 -0800
tree cadce1ae78b51a1dc4c4414699cb590e8c8625e1
parent 3fb9a65529615944138d527b70174840c95c637a

[PATCH] hwmon: Semaphore to mutex conversions

convert drivers/hwmon/*.c semaphore use to mutexes.

the conversion was generated via scripts, and the result was validated
automatically via a script as well.

all affected hwmon drivers were build-tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/hwmon/fscpos.c

diff --git a/drivers/hwmon/fscpos.c b/drivers/hwmon/fscpos.c
index 6d0146b..758978e 100644
--- a/drivers/hwmon/fscpos.c
+++ b/drivers/hwmon/fscpos.c
@@ -37,6 +37,7 @@
 #include <linux/init.h>
 #include <linux/hwmon.h>
 #include <linux/err.h>
+#include <linux/mutex.h>
 
 /*
  * Addresses to scan
@@ -114,7 +115,7 @@
 struct fscpos_data {
 	struct i2c_client client;
 	struct class_device *class_dev;
-	struct semaphore update_lock;
+	struct mutex update_lock;
 	char valid; 		/* 0 until following fields are valid */
 	unsigned long last_updated;	/* In jiffies */
 
@@ -208,13 +209,13 @@
 		return -EINVAL;
 	}
 	
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	/* bits 2..7 reserved => mask with 0x03 */
 	data->fan_ripple[nr - 1] &= ~0x03;
 	data->fan_ripple[nr - 1] |= v;
 	
 	fscpos_write_value(client, reg, data->fan_ripple[nr - 1]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -232,10 +233,10 @@
 	if (v < 0) v = 0;
 	if (v > 255) v = 255;
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->pwm[nr - 1] = v;
 	fscpos_write_value(client, reg, data->pwm[nr - 1]);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -278,11 +279,11 @@
 	/* bits 0..3 reserved => mask with 0xf0 */
 	unsigned long v = simple_strtoul(buf, NULL, 10) & 0xf0;
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->wdog_control &= ~0xf0;
 	data->wdog_control |= v;
 	fscpos_write_value(client, reg, data->wdog_control);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -304,10 +305,10 @@
 		return -EINVAL;
 	}
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->wdog_state &= ~v;
 	fscpos_write_value(client, reg, v);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -321,10 +322,10 @@
 {
 	unsigned long v = simple_strtoul(buf, NULL, 10) & 0xff;
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 	data->wdog_preset = v;
 	fscpos_write_value(client, reg, data->wdog_preset);
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return count;
 }
 
@@ -483,7 +484,7 @@
 	strlcpy(new_client->name, "fscpos", 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)))
@@ -579,7 +580,7 @@
 	struct i2c_client *client = to_i2c_client(dev);
 	struct fscpos_data *data = i2c_get_clientdata(client);
 
-	down(&data->update_lock);
+	mutex_lock(&data->update_lock);
 
 	if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
 		int i;
@@ -625,7 +626,7 @@
 		data->last_updated = jiffies;
 		data->valid = 1;
 	}
-	up(&data->update_lock);
+	mutex_unlock(&data->update_lock);
 	return data;
 }