gpio: tpic2810: Use devm_gpiochip_add_data() to simplify remove path

Use devm version of gpiochip add function to handle removal for us.

While here update copyright and module author.

Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-tpic2810.c b/drivers/gpio/gpio-tpic2810.c
index 349c5fb..642ed82 100644 (file)
--- a/drivers/gpio/gpio-tpic2810.c
+++ b/drivers/gpio/gpio-tpic2810.c
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
- *     Andrew F. Davis <afd@ti.com>
+ * Copyright (C) 2015-2023 Texas Instruments Incorporated - https://www.ti.com/
+ *     Andrew Davis <afd@ti.com>
  */
 
 #include <linux/gpio/driver.h>
@@ -101,14 +101,11 @@ MODULE_DEVICE_TABLE(of, tpic2810_of_match_table);
 static int tpic2810_probe(struct i2c_client *client)
 {
        struct tpic2810 *gpio;
-       int ret;
 
        gpio = devm_kzalloc(&client->dev, sizeof(*gpio), GFP_KERNEL);
        if (!gpio)
                return -ENOMEM;
 
-       i2c_set_clientdata(client, gpio);
-
        gpio->chip = template_chip;
        gpio->chip.parent = &client->dev;
 
@@ -116,20 +113,7 @@ static int tpic2810_probe(struct i2c_client *client)
 
        mutex_init(&gpio->lock);
 
-       ret = gpiochip_add_data(&gpio->chip, gpio);
-       if (ret < 0) {
-               dev_err(&client->dev, "Unable to register gpiochip\n");
-               return ret;
-       }
-
-       return 0;
-}
-
-static void tpic2810_remove(struct i2c_client *client)
-{
-       struct tpic2810 *gpio = i2c_get_clientdata(client);
-
-       gpiochip_remove(&gpio->chip);
+       return devm_gpiochip_add_data(&client->dev, &gpio->chip, gpio);
 }
 
 static const struct i2c_device_id tpic2810_id_table[] = {
@@ -144,11 +128,10 @@ static struct i2c_driver tpic2810_driver = {
                .of_match_table = tpic2810_of_match_table,
        },
        .probe_new = tpic2810_probe,
-       .remove = tpic2810_remove,
        .id_table = tpic2810_id_table,
 };
 module_i2c_driver(tpic2810_driver);
 
-MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
+MODULE_AUTHOR("Andrew Davis <afd@ti.com>");
 MODULE_DESCRIPTION("TPIC2810 8-Bit LED Driver GPIO Driver");
 MODULE_LICENSE("GPL v2");