i2c: Fix the i2c_smbus_read_i2c_block_data() prototype
[linux-2.6.git] / drivers / macintosh / windfarm_smu_sat.c
index 1043b39..351982b 100644 (file)
@@ -67,26 +67,6 @@ static struct i2c_driver wf_sat_driver = {
        .detach_client  = wf_sat_detach,
 };
 
-/*
- * XXX i2c_smbus_read_i2c_block_data doesn't pass the requested
- * length down to the low-level driver, so we use this, which
- * works well enough with the SMU i2c driver code...
- */
-static int sat_read_block(struct i2c_client *client, u8 command,
-                         u8 *values, int len)
-{
-       union i2c_smbus_data data;
-       int err;
-
-       data.block[0] = len;
-       err = i2c_smbus_xfer(client->adapter, client->addr, client->flags,
-                            I2C_SMBUS_READ, command, I2C_SMBUS_I2C_BLOCK_DATA,
-                            &data);
-       if (!err)
-               memcpy(values, data.block, len);
-       return err;
-}
-
 struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id,
                                                  unsigned int *size)
 {
@@ -124,8 +104,8 @@ struct smu_sdbp_header *smu_sat_get_sdb_partition(unsigned int sat_id, int id,
                return NULL;
 
        for (i = 0; i < len; i += 4) {
-               err = sat_read_block(&sat->i2c, 0xa, data, 4);
-               if (err) {
+               err = i2c_smbus_read_i2c_block_data(&sat->i2c, 0xa, 4, data);
+               if (err < 0) {
                        printk(KERN_ERR "smu_sat_get_sdb_part rd err %d\n",
                               err);
                        goto fail;
@@ -157,8 +137,8 @@ static int wf_sat_read_cache(struct wf_sat *sat)
 {
        int err;
 
-       err = sat_read_block(&sat->i2c, 0x3f, sat->cache, 16);
-       if (err)
+       err = i2c_smbus_read_i2c_block_data(&sat->i2c, 0x3f, 16, sat->cache);
+       if (err < 0)
                return err;
        sat->last_read = jiffies;
 #ifdef LOTSA_DEBUG