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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: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Chanwoo Choi 2015-09-29 20:53:12 +09:00
parent ae59f3a21f
commit 60f9b9e65c
1 changed files with 31 additions and 39 deletions
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70
drivers/extcon/extcon-gpio.c
View File

@ -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;
}