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Diffstat (limited to 'net/rfkill/rfkill-gpio.c')
-rw-r--r--net/rfkill/rfkill-gpio.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index 0f62326c0f5e..2a4717967502 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -63,6 +63,15 @@ static const struct rfkill_ops rfkill_gpio_ops = {
63 .set_block = rfkill_gpio_set_power, 63 .set_block = rfkill_gpio_set_power,
64}; 64};
65 65
66static const struct acpi_gpio_params reset_gpios = { 0, 0, false };
67static const struct acpi_gpio_params shutdown_gpios = { 1, 0, false };
68
69static const struct acpi_gpio_mapping acpi_rfkill_default_gpios[] = {
70 { "reset-gpios", &reset_gpios, 1 },
71 { "shutdown-gpios", &shutdown_gpios, 1 },
72 { },
73};
74
66static int rfkill_gpio_acpi_probe(struct device *dev, 75static int rfkill_gpio_acpi_probe(struct device *dev,
67 struct rfkill_gpio_data *rfkill) 76 struct rfkill_gpio_data *rfkill)
68{ 77{
@@ -75,7 +84,8 @@ static int rfkill_gpio_acpi_probe(struct device *dev,
75 rfkill->name = dev_name(dev); 84 rfkill->name = dev_name(dev);
76 rfkill->type = (unsigned)id->driver_data; 85 rfkill->type = (unsigned)id->driver_data;
77 86
78 return 0; 87 return acpi_dev_add_driver_gpios(ACPI_COMPANION(dev),
88 acpi_rfkill_default_gpios);
79} 89}
80 90
81static int rfkill_gpio_probe(struct platform_device *pdev) 91static int rfkill_gpio_probe(struct platform_device *pdev)
@@ -102,7 +112,7 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
102 112
103 rfkill->clk = devm_clk_get(&pdev->dev, NULL); 113 rfkill->clk = devm_clk_get(&pdev->dev, NULL);
104 114
105 gpio = devm_gpiod_get_index(&pdev->dev, "reset", 0); 115 gpio = devm_gpiod_get(&pdev->dev, "reset");
106 if (!IS_ERR(gpio)) { 116 if (!IS_ERR(gpio)) {
107 ret = gpiod_direction_output(gpio, 0); 117 ret = gpiod_direction_output(gpio, 0);
108 if (ret) 118 if (ret)
@@ -110,7 +120,7 @@ static int rfkill_gpio_probe(struct platform_device *pdev)
110 rfkill->reset_gpio = gpio; 120 rfkill->reset_gpio = gpio;
111 } 121 }
112 122
113 gpio = devm_gpiod_get_index(&pdev->dev, "shutdown", 1); 123 gpio = devm_gpiod_get(&pdev->dev, "shutdown");
114 if (!IS_ERR(gpio)) { 124 if (!IS_ERR(gpio)) {
115 ret = gpiod_direction_output(gpio, 0); 125 ret = gpiod_direction_output(gpio, 0);
116 if (ret) 126 if (ret)
@@ -150,6 +160,8 @@ static int rfkill_gpio_remove(struct platform_device *pdev)
150 rfkill_unregister(rfkill->rfkill_dev); 160 rfkill_unregister(rfkill->rfkill_dev);
151 rfkill_destroy(rfkill->rfkill_dev); 161 rfkill_destroy(rfkill->rfkill_dev);
152 162
163 acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pdev->dev));
164
153 return 0; 165 return 0;
154} 166}
155 167