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-rw-r--r--drivers/gpio/gpio-pca953x.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 5d059866d17a..45c8817d068c 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -732,7 +732,7 @@ 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;
@@ -773,27 +773,29 @@ static int pca953x_probe(struct i2c_client *client,
}
chip->regulator = reg;
- 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) {
ret = -ENODEV;
goto err_exit;
}
- chip->driver_data = id->driver_data;
+ chip->driver_data = acpi_id->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.