i2c: Simplify i2c_detect_address

The kind parameter of i2c_detect_address() always has value -1, so we
can get rid of it.

Next step is to update all i2c detect callback functions to get rid of
this now useless parameter.

Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index fdfaebdf3bfe626c707cfb63a634e6d9f49d9238..37df0f14c38c87a45c5848a2e0f3e7956f263d5a 100644 (file)
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1180,7 +1180,7 @@ EXPORT_SYMBOL(i2c_master_recv);
  * ----------------------------------------------------
  */
 
-static int i2c_detect_address(struct i2c_client *temp_client, int kind,
+static int i2c_detect_address(struct i2c_client *temp_client,
                              struct i2c_driver *driver)
 {
        struct i2c_board_info info;
@@ -1199,22 +1199,18 @@ static int i2c_detect_address(struct i2c_client *temp_client, int kind,
        if (i2c_check_addr(adapter, addr))
                return 0;
 
-       /* Make sure there is something at this address, unless forced */
-       if (kind < 0) {
-               if (i2c_smbus_xfer(adapter, addr, 0, 0, 0,
-                                  I2C_SMBUS_QUICK, NULL) < 0)
-                       return 0;
+       /* Make sure there is something at this address */
+       if (i2c_smbus_xfer(adapter, addr, 0, 0, 0, I2C_SMBUS_QUICK, NULL) < 0)
+               return 0;
 
-               /* prevent 24RF08 corruption */
-               if ((addr & ~0x0f) == 0x50)
-                       i2c_smbus_xfer(adapter, addr, 0, 0, 0,
-                                      I2C_SMBUS_QUICK, NULL);
-       }
+       /* Prevent 24RF08 corruption */
+       if ((addr & ~0x0f) == 0x50)
+               i2c_smbus_xfer(adapter, addr, 0, 0, 0, I2C_SMBUS_QUICK, NULL);
 
        /* Finally call the custom detection function */
        memset(&info, 0, sizeof(struct i2c_board_info));
        info.addr = addr;
-       err = driver->detect(temp_client, kind, &info);
+       err = driver->detect(temp_client, -1, &info);
        if (err) {
                /* -ENODEV is returned if the detection fails. We catch it
                   here as this isn't an error. */
@@ -1279,7 +1275,7 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)
                        "addr 0x%02x\n", adap_id,
                        address_data->normal_i2c[i]);
                temp_client->addr = address_data->normal_i2c[i];
-               err = i2c_detect_address(temp_client, -1, driver);
+               err = i2c_detect_address(temp_client, driver);
                if (err)
                        goto exit_free;
        }