[PATCH 1/2] leds: tca6507: Use devm_gpiochip_add_data() to simplify remove path

[PATCH 1/2] leds: tca6507: Use devm_gpiochip_add_data() to simplify remove path

[Andrew Davis]

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

Signed-off-by: Andrew Davis <afd@ti.com>
---
 drivers/leds/leds-tca6507.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c
index e190746140959..9a6af6d8b5b5d 100644
--- a/drivers/leds/leds-tca6507.c
+++ b/drivers/leds/leds-tca6507.c
@@ -638,19 +638,13 @@ static int tca6507_probe_gpios(struct device *dev,
 	tca->gpio.direction_output = tca6507_gpio_direction_output;
 	tca->gpio.set = tca6507_gpio_set_value;
 	tca->gpio.parent = dev;
-	err = gpiochip_add_data(&tca->gpio, tca);
+	err = devm_gpiochip_add_data(dev, &tca->gpio, tca);
 	if (err) {
 		tca->gpio.ngpio = 0;
 		return err;
 	}
 	return 0;
 }
-
-static void tca6507_remove_gpio(struct tca6507_chip *tca)
-{
-	if (tca->gpio.ngpio)
-		gpiochip_remove(&tca->gpio);
-}
 #else /* CONFIG_GPIOLIB */
 static int tca6507_probe_gpios(struct device *dev,
 			       struct tca6507_chip *tca,
@@ -658,9 +652,6 @@ static int tca6507_probe_gpios(struct device *dev,
 {
 	return 0;
 }
-static void tca6507_remove_gpio(struct tca6507_chip *tca)
-{
-}
 #endif /* CONFIG_GPIOLIB */
 
 static struct tca6507_platform_data *
@@ -793,7 +784,6 @@ static void tca6507_remove(struct i2c_client *client)
 		if (tca_leds[i].led_cdev.name)
 			led_classdev_unregister(&tca_leds[i].led_cdev);
 	}
-	tca6507_remove_gpio(tca);
 	cancel_work_sync(&tca->work);
 }
 
-- 
2.39.2

[PATCH 2/2] leds: tca6507: Use devm_led_classdev_register() to simplify remove path

[Andrew Davis]

Use devm version of LED classdev register add function to handle removal.

Signed-off-by: Andrew Davis <afd@ti.com>
---
 drivers/leds/leds-tca6507.c | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/drivers/leds/leds-tca6507.c b/drivers/leds/leds-tca6507.c
index 9a6af6d8b5b5d..4f22f42249467 100644
--- a/drivers/leds/leds-tca6507.c
+++ b/drivers/leds/leds-tca6507.c
@@ -753,37 +753,25 @@ 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(dev, &l->led_cdev);
+			err = devm_led_classdev_register(dev, &l->led_cdev);
 			if (err < 0)
-				goto exit;
+				return err;
 		}
 	}
 	err = tca6507_probe_gpios(dev, tca, pdata);
 	if (err)
-		goto exit;
+		return err;
 	/* set all registers to known state - zero */
 	tca->reg_set = 0x7f;
 	schedule_work(&tca->work);
 
 	return 0;
-exit:
-	while (i--) {
-		if (tca->leds[i].led_cdev.name)
-			led_classdev_unregister(&tca->leds[i].led_cdev);
-	}
-	return err;
 }
 
 static void tca6507_remove(struct i2c_client *client)
 {
-	int i;
 	struct tca6507_chip *tca = i2c_get_clientdata(client);
-	struct tca6507_led *tca_leds = tca->leds;
 
-	for (i = 0; i < NUM_LEDS; i++) {
-		if (tca_leds[i].led_cdev.name)
-			led_classdev_unregister(&tca_leds[i].led_cdev);
-	}
 	cancel_work_sync(&tca->work);
 }
 
-- 
2.39.2

Re: [PATCH 1/2] leds: tca6507: Use devm_gpiochip_add_data() to simplify remove path

[Lee Jones]

On Thu, 16 Nov 2023 16:41:20 -0600, Andrew Davis wrote:
> Use devm version of gpiochip add function to handle removal for us.
> 
> 

Applied, thanks!

[1/2] leds: tca6507: Use devm_gpiochip_add_data() to simplify remove path
      commit: 50b683a8b9884f032c3d268b8a68df799219e91b
[2/2] leds: tca6507: Use devm_led_classdev_register() to simplify remove path
      commit: 612af3a44921f21c361a369899fec61698aa08e1

--
Lee Jones [李琼斯]