[PATCH] i2c: Semaphore to mutex conversions, part 2

semaphore to mutex conversion.

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

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>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c
index 41116b7947f6..13c108269a6d 100644
--- a/drivers/i2c/chips/eeprom.c
+++ b/drivers/i2c/chips/eeprom.c
@@ -33,6 +33,7 @@
 #include <linux/sched.h>
 #include <linux/jiffies.h>
 #include <linux/i2c.h>
+#include <linux/mutex.h>
 
 /* Addresses to scan */
 static unsigned short normal_i2c[] = { 0x50, 0x51, 0x52, 0x53, 0x54,
@@ -54,7 +55,7 @@ enum eeprom_nature {
 /* Each client has this additional data */
 struct eeprom_data {
         struct i2c_client client;
-        struct semaphore update_lock;
+        struct mutex update_lock;
         u8 valid;                       /* bitfield, bit!=0 if slice is valid */
         unsigned long last_updated[8];  /* In jiffies, 8 slices */
         u8 data[EEPROM_SIZE];           /* Register values */
@@ -81,7 +82,7 @@ static void eeprom_update_client(struct i2c_client *client, u8 slice)
         struct eeprom_data *data = i2c_get_clientdata(client);
         int i, j;
 
-        down(&data->update_lock);
+        mutex_lock(&data->update_lock);
 
         if (!(data->valid & (1 << slice)) ||
             time_after(jiffies, data->last_updated[slice] + 300 * HZ)) {
@@ -107,7 +108,7 @@ static void eeprom_update_client(struct i2c_client *client, u8 slice)
                 data->valid |= (1 << slice);
         }
 exit:
-        up(&data->update_lock);
+        mutex_unlock(&data->update_lock);
 }
 
 static ssize_t eeprom_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
@@ -187,7 +188,7 @@ static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
         /* Fill in the remaining client fields */
         strlcpy(new_client->name, "eeprom", I2C_NAME_SIZE);
         data->valid = 0;
-        init_MUTEX(&data->update_lock);
+        mutex_init(&data->update_lock);
         data->nature = UNKNOWN;
 
         /* Tell the I2C layer a new client has arrived */