[6/6] gpio: tps65086: Use devm_gpiochip_add_data() to simplify remove path

Message ID 20230307165432.25484-6-afd@ti.com
State New
Headers
Series [1/6] gpio: ich: Use devm_gpiochip_add_data() to simplify remove path |

Commit Message

Andrew Davis March 7, 2023, 4:54 p.m. UTC
  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>
---
 drivers/gpio/gpio-tps65086.c | 20 ++++----------------
 1 file changed, 4 insertions(+), 16 deletions(-)
  

Comments

Bartosz Golaszewski March 8, 2023, 10:29 a.m. UTC | #1
On Tue, Mar 7, 2023 at 5:54 PM Andrew Davis <afd@ti.com> wrote:
>
> 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>
> ---
>  drivers/gpio/gpio-tps65086.c | 20 ++++----------------
>  1 file changed, 4 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpio/gpio-tps65086.c b/drivers/gpio/gpio-tps65086.c
> index 1e9d8262d0ff..0b8b631441ae 100644
> --- a/drivers/gpio/gpio-tps65086.c
> +++ b/drivers/gpio/gpio-tps65086.c
> @@ -1,7 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0
>  /*
> - * 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>
>   *
>   * Based on the TPS65912 driver
>   */
> @@ -86,13 +86,11 @@ static int tps65086_gpio_probe(struct platform_device *pdev)
>         if (!gpio)
>                 return -ENOMEM;
>
> -       platform_set_drvdata(pdev, gpio);
> -
>         gpio->tps = dev_get_drvdata(pdev->dev.parent);
>         gpio->chip = template_chip;
>         gpio->chip.parent = gpio->tps->dev;
>
> -       ret = gpiochip_add_data(&gpio->chip, gpio);
> +       ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
>         if (ret < 0) {
>                 dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);

Drop this log and just return directly the result of
devm_gpiochip_add_data() to save a couple more lines.

Bart

>                 return ret;
> @@ -101,15 +99,6 @@ static int tps65086_gpio_probe(struct platform_device *pdev)
>         return 0;
>  }
>
> -static int tps65086_gpio_remove(struct platform_device *pdev)
> -{
> -       struct tps65086_gpio *gpio = platform_get_drvdata(pdev);
> -
> -       gpiochip_remove(&gpio->chip);
> -
> -       return 0;
> -}
> -
>  static const struct platform_device_id tps65086_gpio_id_table[] = {
>         { "tps65086-gpio", },
>         { /* sentinel */ }
> @@ -121,11 +110,10 @@ static struct platform_driver tps65086_gpio_driver = {
>                 .name = "tps65086-gpio",
>         },
>         .probe = tps65086_gpio_probe,
> -       .remove = tps65086_gpio_remove,
>         .id_table = tps65086_gpio_id_table,
>  };
>  module_platform_driver(tps65086_gpio_driver);
>
> -MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
> +MODULE_AUTHOR("Andrew Davis <afd@ti.com>");
>  MODULE_DESCRIPTION("TPS65086 GPIO driver");
>  MODULE_LICENSE("GPL v2");
> --
> 2.39.2
>
  

Patch

diff --git a/drivers/gpio/gpio-tps65086.c b/drivers/gpio/gpio-tps65086.c
index 1e9d8262d0ff..0b8b631441ae 100644
--- a/drivers/gpio/gpio-tps65086.c
+++ b/drivers/gpio/gpio-tps65086.c
@@ -1,7 +1,7 @@ 
 // SPDX-License-Identifier: GPL-2.0
 /*
- * 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>
  *
  * Based on the TPS65912 driver
  */
@@ -86,13 +86,11 @@  static int tps65086_gpio_probe(struct platform_device *pdev)
 	if (!gpio)
 		return -ENOMEM;
 
-	platform_set_drvdata(pdev, gpio);
-
 	gpio->tps = dev_get_drvdata(pdev->dev.parent);
 	gpio->chip = template_chip;
 	gpio->chip.parent = gpio->tps->dev;
 
-	ret = gpiochip_add_data(&gpio->chip, gpio);
+	ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
 		return ret;
@@ -101,15 +99,6 @@  static int tps65086_gpio_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int tps65086_gpio_remove(struct platform_device *pdev)
-{
-	struct tps65086_gpio *gpio = platform_get_drvdata(pdev);
-
-	gpiochip_remove(&gpio->chip);
-
-	return 0;
-}
-
 static const struct platform_device_id tps65086_gpio_id_table[] = {
 	{ "tps65086-gpio", },
 	{ /* sentinel */ }
@@ -121,11 +110,10 @@  static struct platform_driver tps65086_gpio_driver = {
 		.name = "tps65086-gpio",
 	},
 	.probe = tps65086_gpio_probe,
-	.remove = tps65086_gpio_remove,
 	.id_table = tps65086_gpio_id_table,
 };
 module_platform_driver(tps65086_gpio_driver);
 
-MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
+MODULE_AUTHOR("Andrew Davis <afd@ti.com>");
 MODULE_DESCRIPTION("TPS65086 GPIO driver");
 MODULE_LICENSE("GPL v2");