[PATCH] I2C: use time_after in 3 chip drivers

A few i2c drivers were not updated to use time_after() yet.

Signed-off-by: Marcelo Feitoza Parisi <marcelo@feitoza.com.br>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/hwmon/atxp1.c

@@ -21,6 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/jiffies.h>
 #include <linux/i2c.h>
 #include <linux/i2c-sensor.h>
 #include <linux/i2c-vid.h>
@@ -80,9 +81,7 @@ static struct atxp1_data * atxp1_update_device(struct device *dev)
 
 	down(&data->update_lock);
 
-	if ((jiffies - data->last_updated > HZ) ||
-	    (jiffies < data->last_updated) ||
-	    !data->valid) {
+	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
 
 		/* Update local register data */
 		data->reg.vid = i2c_smbus_read_byte_data(client, ATXP1_VID);

drivers/hwmon/fscpos.c

@@ -32,6 +32,7 @@
 
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/jiffies.h>
 #include <linux/i2c.h>
 #include <linux/i2c-sensor.h>
 #include <linux/init.h>
@@ -572,8 +573,7 @@ static struct fscpos_data *fscpos_update_device(struct device *dev)
 
 	down(&data->update_lock);
 
-	if ((jiffies - data->last_updated > 2 * HZ) ||
-			(jiffies < data->last_updated) || !data->valid) {
+	if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
 		int i;
 
 		dev_dbg(&client->dev, "Starting fscpos update\n");

drivers/hwmon/gl520sm.c

@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
+#include <linux/jiffies.h>
 #include <linux/i2c.h>
 #include <linux/i2c-sensor.h>
 #include <linux/i2c-vid.h>
@@ -678,8 +679,7 @@ static struct gl520_data *gl520_update_device(struct device *dev)
 
 	down(&data->update_lock);
 
-	if ((jiffies - data->last_updated > 2 * HZ) ||
-	    (jiffies < data->last_updated) || !data->valid) {
+	if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
 
 		dev_dbg(&client->dev, "Starting gl520sm update\n");