[PATCH] i2c: Semaphore to mutex conversions, part 3

[mv-sheeva.git] / drivers / i2c / busses / scx200_acb.c

diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index 8e646bdb556c8d52b2fb4852a57f94e5cbb4d4af..8bd305e47f0d1d87ce5718a04a6812865b6841a0 100644 (file)
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -31,6 +31,7 @@
 #include <linux/smp_lock.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
+#include <linux/mutex.h>
 #include <asm/io.h>
 #include <asm/msr.h>
 
@@ -74,7 +75,7 @@ struct scx200_acb_iface {
        struct scx200_acb_iface *next;
        struct i2c_adapter adapter;
        unsigned base;
-       struct semaphore sem;
+       struct mutex mutex;
 
        /* State machine data */
        enum scx200_acb_state state;
@@ -314,7 +315,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter,
                return -EINVAL;
        }
 
-       down(&iface->sem);
+       mutex_lock(&iface->mutex);
 
        iface->address_byte = (address << 1) | rw;
        iface->command = command;
@@ -338,7 +339,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter,
 
        rc = iface->result;
 
-       up(&iface->sem);
+       mutex_unlock(&iface->mutex);
 
        if (rc == 0 && size == I2C_SMBUS_WORD_DATA && rw == I2C_SMBUS_READ)
                data->word = le16_to_cpu(cur_word);
@@ -431,7 +432,7 @@ static int  __init scx200_acb_create(const char *text, int base, int index)
        adapter->algo = &scx200_acb_algorithm;
        adapter->class = I2C_CLASS_HWMON;
 
-       init_MUTEX(&iface->sem);
+       mutex_init(&iface->mutex);
 
        snprintf(description, sizeof(description), "%s ACCESS.bus [%s]",
                 text, adapter->name);