leds: tca6507: cosmetic change: use helper variable
authorMarek Behún <marek.behun@nic.cz>
Sat, 19 Sep 2020 22:15:41 +0000 (00:15 +0200)
committerPavel Machek <pavel@ucw.cz>
Wed, 30 Sep 2020 17:15:41 +0000 (19:15 +0200)
Use helper variable dev instead of always writing &client->dev.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Cc: NeilBrown <neilb@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
drivers/leds/leds-tca6507.c

index 5004278..80505da 100644 (file)
@@ -635,7 +635,7 @@ static int tca6507_gpio_direction_output(struct gpio_chip *gc,
        return 0;
 }
 
-static int tca6507_probe_gpios(struct i2c_client *client,
+static int tca6507_probe_gpios(struct device *dev,
                               struct tca6507_chip *tca,
                               struct tca6507_platform_data *pdata)
 {
@@ -659,9 +659,9 @@ static int tca6507_probe_gpios(struct i2c_client *client,
        tca->gpio.owner = THIS_MODULE;
        tca->gpio.direction_output = tca6507_gpio_direction_output;
        tca->gpio.set = tca6507_gpio_set_value;
-       tca->gpio.parent = &client->dev;
+       tca->gpio.parent = dev;
 #ifdef CONFIG_OF_GPIO
-       tca->gpio.of_node = of_node_get(dev_of_node(&client->dev));
+       tca->gpio.of_node = of_node_get(dev_of_node(dev));
 #endif
        err = gpiochip_add_data(&tca->gpio, tca);
        if (err) {
@@ -677,7 +677,7 @@ static void tca6507_remove_gpio(struct tca6507_chip *tca)
                gpiochip_remove(&tca->gpio);
 }
 #else /* CONFIG_GPIOLIB */
-static int tca6507_probe_gpios(struct i2c_client *client,
+static int tca6507_probe_gpios(struct device *dev,
                               struct tca6507_chip *tca,
                               struct tca6507_platform_data *pdata)
 {
@@ -689,23 +689,23 @@ static void tca6507_remove_gpio(struct tca6507_chip *tca)
 #endif /* CONFIG_GPIOLIB */
 
 static struct tca6507_platform_data *
-tca6507_led_dt_init(struct i2c_client *client)
+tca6507_led_dt_init(struct device *dev)
 {
        struct tca6507_platform_data *pdata;
        struct fwnode_handle *child;
        struct led_info *tca_leds;
        int count;
 
-       count = device_get_child_node_count(&client->dev);
+       count = device_get_child_node_count(dev);
        if (!count || count > NUM_LEDS)
                return ERR_PTR(-ENODEV);
 
-       tca_leds = devm_kcalloc(&client->dev, NUM_LEDS, sizeof(struct led_info),
+       tca_leds = devm_kcalloc(dev, NUM_LEDS, sizeof(struct led_info),
                                GFP_KERNEL);
        if (!tca_leds)
                return ERR_PTR(-ENOMEM);
 
-       device_for_each_child_node(&client->dev, child) {
+       device_for_each_child_node(dev, child) {
                struct led_info led;
                u32 reg;
                int ret;
@@ -730,7 +730,7 @@ tca6507_led_dt_init(struct i2c_client *client)
                tca_leds[reg] = led;
        }
 
-       pdata = devm_kzalloc(&client->dev, sizeof(struct tca6507_platform_data),
+       pdata = devm_kzalloc(dev, sizeof(struct tca6507_platform_data),
                             GFP_KERNEL);
        if (!pdata)
                return ERR_PTR(-ENOMEM);
@@ -753,8 +753,9 @@ MODULE_DEVICE_TABLE(of, of_tca6507_leds_match);
 static int tca6507_probe(struct i2c_client *client,
                const struct i2c_device_id *id)
 {
-       struct tca6507_chip *tca;
+       struct device *dev = &client->dev;
        struct i2c_adapter *adapter;
+       struct tca6507_chip *tca;
        struct tca6507_platform_data *pdata;
        int err;
        int i = 0;
@@ -764,13 +765,12 @@ static int tca6507_probe(struct i2c_client *client,
        if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
                return -EIO;
 
-       pdata = tca6507_led_dt_init(client);
+       pdata = tca6507_led_dt_init(dev);
        if (IS_ERR(pdata)) {
-               dev_err(&client->dev, "Need %d entries in platform-data list\n",
-                       NUM_LEDS);
+               dev_err(dev, "Need %d entries in platform-data list\n", NUM_LEDS);
                return PTR_ERR(pdata);
        }
-       tca = devm_kzalloc(&client->dev, sizeof(*tca), GFP_KERNEL);
+       tca = devm_kzalloc(dev, sizeof(*tca), GFP_KERNEL);
        if (!tca)
                return -ENOMEM;
 
@@ -791,13 +791,12 @@ static int tca6507_probe(struct i2c_client *client,
                        l->led_cdev.brightness_set = tca6507_brightness_set;
                        l->led_cdev.blink_set = tca6507_blink_set;
                        l->bank = -1;
-                       err = led_classdev_register(&client->dev,
-                                                   &l->led_cdev);
+                       err = led_classdev_register(dev, &l->led_cdev);
                        if (err < 0)
                                goto exit;
                }
        }
-       err = tca6507_probe_gpios(client, tca, pdata);
+       err = tca6507_probe_gpios(dev, tca, pdata);
        if (err)
                goto exit;
        /* set all registers to known state - zero */