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; } } |