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gpio: ucb1400: Remove platform setup and teardown support 

There is no user of these callbacks. The motivation for this change is
to stop returning an error code from the remove callback.

This is a preparation for making platform remove callbacks return void.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
Uwe Kleine-König 2022-06-14 21:48:02 +02:00 committed by Bartosz Golaszewski
parent 421e3c16c3
commit 7e55b33d3f
3 changed files with 2 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpio/gpio-ucb1400.c
View File

@ -64,34 +64,14 @@ static int ucb1400_gpio_probe(struct platform_device *dev)
ucb->gc.can_sleep = true;
err = devm_gpiochip_add_data(&dev->dev, &ucb->gc, ucb);
if (err)
goto err;
if (ucb->gpio_setup)
err = ucb->gpio_setup(&dev->dev, ucb->gc.ngpio);
err:
return err;
}
static int ucb1400_gpio_remove(struct platform_device *dev)
{
int err = 0;
struct ucb1400_gpio *ucb = platform_get_drvdata(dev);
if (ucb && ucb->gpio_teardown) {
err = ucb->gpio_teardown(&dev->dev, ucb->gc.ngpio);
if (err)
return err;
}
return err;
}
static struct platform_driver ucb1400_gpio_driver = {
.probe = ucb1400_gpio_probe,
.remove = ucb1400_gpio_remove,
.driver = {
.name = "ucb1400_gpio"
},

6
drivers/mfd/ucb1400_core.c
View File

@ -72,11 +72,9 @@ static int ucb1400_core_probe(struct device *dev)
/* GPIO */
ucb_gpio.ac97 = ac97;
if (pdata) {
ucb_gpio.gpio_setup = pdata->gpio_setup;
ucb_gpio.gpio_teardown = pdata->gpio_teardown;
if (pdata)
ucb_gpio.gpio_offset = pdata->gpio_offset;
}
ucb->ucb1400_gpio = platform_device_alloc("ucb1400_gpio", -1);
if (!ucb->ucb1400_gpio) {
err = -ENOMEM;

2
include/linux/ucb1400.h
View File

@ -84,8 +84,6 @@ struct ucb1400_gpio {
struct gpio_chip gc;
struct snd_ac97 *ac97;
int gpio_offset;
int (*gpio_setup)(struct device *dev, int ngpio);
int (*gpio_teardown)(struct device *dev, int ngpio);
};
struct ucb1400_ts {