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Commit 60f9b9e6 authored by Chanwoo Choi's avatar Chanwoo Choi
Browse files

extcon: gpio: Remove duplicate data from struct gpio_extcon_data 



There are duplicate data between struct gpio_extcon_data and struct
gpio_extcon_platform_data. This patch removes them from struct gpio_extcon_data.
Instead, this patch add pdata field to struct gpio_extcon_data.

Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent ae59f3a2

drivers/extcon/extcon-gpio.c

+31 −39
Original line number Diff line number Diff line
@@ -33,14 +33,11 @@ 


struct gpio_extcon_data {

	struct extcon_dev *edev;

	unsigned gpio;

	bool gpio_active_low;

	const char *state_on;

	const char *state_off;

	int irq;

	struct delayed_work work;

	unsigned long debounce_jiffies;

	bool check_on_resume;



	struct gpio_extcon_platform_data *pdata;

};



static void gpio_extcon_work(struct work_struct *work)
@@ -50,25 +47,25 @@ static void gpio_extcon_work(struct work_struct *work) 
		container_of(to_delayed_work(work), struct gpio_extcon_data,

			     work);



	state = gpio_get_value(data->gpio);

	if (data->gpio_active_low)

	state = gpio_get_value(data->pdata->gpio);

	if (data->pdata->gpio_active_low)

		state = !state;

	extcon_set_state(data->edev, state);

}



static irqreturn_t gpio_irq_handler(int irq, void *dev_id)

{

	struct gpio_extcon_data *extcon_data = dev_id;

	struct gpio_extcon_data *data = dev_id;



	queue_delayed_work(system_power_efficient_wq, &extcon_data->work,

			      extcon_data->debounce_jiffies);

	queue_delayed_work(system_power_efficient_wq, &data->work,

			      data->debounce_jiffies);

	return IRQ_HANDLED;

}



static int gpio_extcon_probe(struct platform_device *pdev)

{

	struct gpio_extcon_platform_data *pdata = dev_get_platdata(&pdev->dev);

	struct gpio_extcon_data *extcon_data;

	struct gpio_extcon_data *data;

	int ret;



	if (!pdata)
@@ -78,64 +75,59 @@ static int gpio_extcon_probe(struct platform_device *pdev) 
		return -EINVAL;

	}



	extcon_data = devm_kzalloc(&pdev->dev, sizeof(struct gpio_extcon_data),

	data = devm_kzalloc(&pdev->dev, sizeof(struct gpio_extcon_data),

				   GFP_KERNEL);

	if (!extcon_data)

	if (!data)

		return -ENOMEM;



	extcon_data->edev = devm_extcon_dev_allocate(&pdev->dev, NULL);

	if (IS_ERR(extcon_data->edev)) {

	data->edev = devm_extcon_dev_allocate(&pdev->dev, NULL);

	if (IS_ERR(data->edev)) {

		dev_err(&pdev->dev, "failed to allocate extcon device\n");

		return -ENOMEM;

	}

	data->pdata = pdata;



	extcon_data->gpio = pdata->gpio;

	extcon_data->gpio_active_low = pdata->gpio_active_low;

	extcon_data->state_on = pdata->state_on;

	extcon_data->state_off = pdata->state_off;

	extcon_data->check_on_resume = pdata->check_on_resume;



	ret = devm_gpio_request_one(&pdev->dev, extcon_data->gpio, GPIOF_DIR_IN,

	ret = devm_gpio_request_one(&pdev->dev, data->pdata->gpio, GPIOF_DIR_IN,

				    pdev->name);

	if (ret < 0)

		return ret;



	if (pdata->debounce) {

		ret = gpio_set_debounce(extcon_data->gpio,

		ret = gpio_set_debounce(data->pdata->gpio,

					pdata->debounce * 1000);

		if (ret < 0)

			extcon_data->debounce_jiffies =

			data->debounce_jiffies =

				msecs_to_jiffies(pdata->debounce);

	}



	ret = devm_extcon_dev_register(&pdev->dev, extcon_data->edev);

	ret = devm_extcon_dev_register(&pdev->dev, data->edev);

	if (ret < 0)

		return ret;



	INIT_DELAYED_WORK(&extcon_data->work, gpio_extcon_work);

	INIT_DELAYED_WORK(&data->work, gpio_extcon_work);



	extcon_data->irq = gpio_to_irq(extcon_data->gpio);

	if (extcon_data->irq < 0)

		return extcon_data->irq;

	data->irq = gpio_to_irq(data->pdata->gpio);

	if (data->irq < 0)

		return data->irq;



	ret = devm_request_any_context_irq(&pdev->dev, extcon_data->irq,

	ret = devm_request_any_context_irq(&pdev->dev, data->irq,

					gpio_irq_handler, pdata->irq_flags,

					pdev->name, extcon_data);

					pdev->name, data);

	if (ret < 0)

		return ret;



	platform_set_drvdata(pdev, extcon_data);

	platform_set_drvdata(pdev, data);

	/* Perform initial detection */

	gpio_extcon_work(&extcon_data->work.work);

	gpio_extcon_work(&data->work.work);



	return 0;

}



static int gpio_extcon_remove(struct platform_device *pdev)

{

	struct gpio_extcon_data *extcon_data = platform_get_drvdata(pdev);

	struct gpio_extcon_data *data = platform_get_drvdata(pdev);



	cancel_delayed_work_sync(&extcon_data->work);

	cancel_delayed_work_sync(&data->work);



	return 0;

}
@@ -143,12 +135,12 @@ static int gpio_extcon_remove(struct platform_device *pdev) 
#ifdef CONFIG_PM_SLEEP

static int gpio_extcon_resume(struct device *dev)

{

	struct gpio_extcon_data *extcon_data;

	struct gpio_extcon_data *data;



	extcon_data = dev_get_drvdata(dev);

	if (extcon_data->check_on_resume)

	data = dev_get_drvdata(dev);

	if (data->pdata->check_on_resume)

		queue_delayed_work(system_power_efficient_wq,

			&extcon_data->work, extcon_data->debounce_jiffies);

			&data->work, data->debounce_jiffies);



	return 0;

}