diff options
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index 51c9d9cfd742..b9373785ccf5 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -777,7 +777,13 @@ static int pca953x_probe(struct i2c_client *client, chip->gpio_start = -1; irq_base = 0; - /* See if we need to de-assert a reset pin */ + /* + * See if we need to de-assert a reset pin. + * + * There is no known ACPI-enabled platforms that are + * using "reset" GPIO. Otherwise any of those platform + * must use _DSD method with corresponding property. + */ reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(reset_gpio)) |