gpio: pca953x: variable 'id' was used twice
[cascardo/linux.git] / drivers / gpio / gpio-pca953x.c
index 02f2a56..018f39c 100644 (file)
@@ -739,7 +739,7 @@ out:
 static const struct of_device_id pca953x_dt_ids[];
 
 static int pca953x_probe(struct i2c_client *client,
-                                  const struct i2c_device_id *id)
+                                  const struct i2c_device_id *i2c_id)
 {
        struct pca953x_platform_data *pdata;
        struct pca953x_chip *chip;
@@ -765,27 +765,29 @@ static int pca953x_probe(struct i2c_client *client,
 
        chip->client = client;
 
-       if (id) {
-               chip->driver_data = id->driver_data;
+       if (i2c_id) {
+               chip->driver_data = i2c_id->driver_data;
        } else {
-               const struct acpi_device_id *id;
+               const struct acpi_device_id *acpi_id;
                const struct of_device_id *match;
 
                match = of_match_device(pca953x_dt_ids, &client->dev);
                if (match) {
                        chip->driver_data = (int)(uintptr_t)match->data;
                } else {
-                       id = acpi_match_device(pca953x_acpi_ids, &client->dev);
-                       if (!id)
+                       acpi_id = acpi_match_device(pca953x_acpi_ids, &client->dev);
+                       if (!acpi_id)
                                return -ENODEV;
 
-                       chip->driver_data = id->driver_data;
+                       chip->driver_data = acpi_id->driver_data;
                }
        }
 
        chip->chip_type = PCA_CHIP_TYPE(chip->driver_data);
 
        mutex_init(&chip->i2c_lock);
+       lockdep_set_subclass(&chip->i2c_lock,
+                            i2c_adapter_depth(client->adapter));
 
        /* initialize cached registers from their original values.
         * we can't share this chip with another i2c master.