[v3] gpio: tpic2810: Use devm_gpiochip_add_data() to simplify remove path
Commit Message
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>
---
Changes from v2:
- Remove unused var "ret"
drivers/gpio/gpio-tpic2810.c | 25 ++++---------------------
1 file changed, 4 insertions(+), 21 deletions(-)
Comments
On Mon, May 15, 2023 at 7:44 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>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Yours,
Linus Walleij
On Mon, May 15, 2023 at 7:44 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>
> ---
>
Applied, thanks!
Bart
@@ -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");