diff options
Diffstat (limited to 'net/rfkill/rfkill-gpio.c')
| -rw-r--r-- | net/rfkill/rfkill-gpio.c | 77 | 
1 files changed, 34 insertions, 43 deletions
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c index 5620d3c07479..bd2a5b90400c 100644 --- a/net/rfkill/rfkill-gpio.c +++ b/net/rfkill/rfkill-gpio.c @@ -25,15 +25,15 @@  #include <linux/clk.h>  #include <linux/slab.h>  #include <linux/acpi.h> -#include <linux/acpi_gpio.h> +#include <linux/gpio/consumer.h>  #include <linux/rfkill-gpio.h>  struct rfkill_gpio_data {  	const char		*name;  	enum rfkill_type	type; -	int			reset_gpio; -	int			shutdown_gpio; +	struct gpio_desc	*reset_gpio; +	struct gpio_desc	*shutdown_gpio;  	struct rfkill		*rfkill_dev;  	char			*reset_name; @@ -48,19 +48,15 @@ static int rfkill_gpio_set_power(void *data, bool blocked)  	struct rfkill_gpio_data *rfkill = data;  	if (blocked) { -		if (gpio_is_valid(rfkill->shutdown_gpio)) -			gpio_set_value(rfkill->shutdown_gpio, 0); -		if (gpio_is_valid(rfkill->reset_gpio)) -			gpio_set_value(rfkill->reset_gpio, 0); +		gpiod_set_value(rfkill->shutdown_gpio, 0); +		gpiod_set_value(rfkill->reset_gpio, 0);  		if (!IS_ERR(rfkill->clk) && rfkill->clk_enabled)  			clk_disable(rfkill->clk);  	} else {  		if (!IS_ERR(rfkill->clk) && !rfkill->clk_enabled)  			clk_enable(rfkill->clk); -		if (gpio_is_valid(rfkill->reset_gpio)) -			gpio_set_value(rfkill->reset_gpio, 1); -		if (gpio_is_valid(rfkill->shutdown_gpio)) -			gpio_set_value(rfkill->shutdown_gpio, 1); +		gpiod_set_value(rfkill->reset_gpio, 1); +		gpiod_set_value(rfkill->shutdown_gpio, 1);  	}  	rfkill->clk_enabled = blocked; @@ -83,8 +79,6 @@ static int rfkill_gpio_acpi_probe(struct device *dev,  	rfkill->name = dev_name(dev);  	rfkill->type = (unsigned)id->driver_data; -	rfkill->reset_gpio = acpi_get_gpio_by_index(dev, 0, NULL); -	rfkill->shutdown_gpio = acpi_get_gpio_by_index(dev, 1, NULL);  	return 0;  } @@ -94,8 +88,9 @@ static int rfkill_gpio_probe(struct platform_device *pdev)  	struct rfkill_gpio_platform_data *pdata = pdev->dev.platform_data;  	struct rfkill_gpio_data *rfkill;  	const char *clk_name = NULL; -	int ret = 0; -	int len = 0; +	struct gpio_desc *gpio; +	int ret; +	int len;  	rfkill = devm_kzalloc(&pdev->dev, sizeof(*rfkill), GFP_KERNEL);  	if (!rfkill) @@ -109,28 +104,10 @@ static int rfkill_gpio_probe(struct platform_device *pdev)  		clk_name = pdata->power_clk_name;  		rfkill->name = pdata->name;  		rfkill->type = pdata->type; -		rfkill->reset_gpio = pdata->reset_gpio; -		rfkill->shutdown_gpio = pdata->shutdown_gpio;  	} else {  		return -ENODEV;  	} -	/* make sure at-least one of the GPIO is defined and that -	 * a name is specified for this instance */ -	if ((!gpio_is_valid(rfkill->reset_gpio) && -	     !gpio_is_valid(rfkill->shutdown_gpio)) || !rfkill->name) { -		pr_warn("%s: invalid platform data\n", __func__); -		return -EINVAL; -	} - -	if (pdata && pdata->gpio_runtime_setup) { -		ret = pdata->gpio_runtime_setup(pdev); -		if (ret) { -			pr_warn("%s: can't set up gpio\n", __func__); -			return ret; -		} -	} -  	len = strlen(rfkill->name);  	rfkill->reset_name = devm_kzalloc(&pdev->dev, len + 7, GFP_KERNEL);  	if (!rfkill->reset_name) @@ -145,20 +122,34 @@ static int rfkill_gpio_probe(struct platform_device *pdev)  	rfkill->clk = devm_clk_get(&pdev->dev, clk_name); -	if (gpio_is_valid(rfkill->reset_gpio)) { -		ret = devm_gpio_request_one(&pdev->dev, rfkill->reset_gpio, -					    0, rfkill->reset_name); -		if (ret) { -			pr_warn("%s: failed to get reset gpio.\n", __func__); +	gpio = devm_gpiod_get_index(&pdev->dev, rfkill->reset_name, 0); +	if (!IS_ERR(gpio)) { +		ret = gpiod_direction_output(gpio, 0); +		if (ret)  			return ret; -		} +		rfkill->reset_gpio = gpio; +	} + +	gpio = devm_gpiod_get_index(&pdev->dev, rfkill->shutdown_name, 1); +	if (!IS_ERR(gpio)) { +		ret = gpiod_direction_output(gpio, 0); +		if (ret) +			return ret; +		rfkill->shutdown_gpio = gpio;  	} -	if (gpio_is_valid(rfkill->shutdown_gpio)) { -		ret = devm_gpio_request_one(&pdev->dev, rfkill->shutdown_gpio, -					    0, rfkill->shutdown_name); +	/* Make sure at-least one of the GPIO is defined and that +	 * a name is specified for this instance +	 */ +	if ((!rfkill->reset_gpio && !rfkill->shutdown_gpio) || !rfkill->name) { +		dev_err(&pdev->dev, "invalid platform data\n"); +		return -EINVAL; +	} + +	if (pdata && pdata->gpio_runtime_setup) { +		ret = pdata->gpio_runtime_setup(pdev);  		if (ret) { -			pr_warn("%s: failed to get shutdown gpio.\n", __func__); +			dev_err(&pdev->dev, "can't set up gpio\n");  			return ret;  		}  	}  |