leds: is31fl319x: simplify getting the adapter of a client

We have a dedicated pointer for that, so use it. Much easier to read and
less computation involved.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>

diff --git a/drivers/leds/leds-is31fl319x.c b/drivers/leds/leds-is31fl319x.c
index 2d077b8edd0ebeaaec00f866f5cb656088826a8a..ca6634b8683cb65c2bec3922f104e5d3bb0f0bfe 100644 (file)
--- a/drivers/leds/leds-is31fl319x.c
+++ b/drivers/leds/leds-is31fl319x.c
@@ -333,12 +333,11 @@ static int is31fl319x_probe(struct i2c_client *client,
 {
        struct is31fl319x_chip *is31;
        struct device *dev = &client->dev;
-       struct i2c_adapter *adapter = to_i2c_adapter(dev->parent);
        int err;
        int i = 0;
        u32 aggregated_led_microamp = IS31FL319X_CURRENT_MAX;
 
-       if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
+       if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C))
                return -EIO;
 
        is31 = devm_kzalloc(&client->dev, sizeof(*is31), GFP_KERNEL);