53 static irqreturn_t pps_gpio_irq_handler(int irq, void *data)  in pps_gpio_irq_handler()  argument
62 	info = data;  in pps_gpio_irq_handler()
77 get_irqf_trigger_flags(const struct pps_gpio_device_data *data)  in get_irqf_trigger_flags()  argument
79 	unsigned long flags = data->assert_falling_edge ?  in get_irqf_trigger_flags()
82 	if (data->capture_clear) {  in get_irqf_trigger_flags()
92 	struct pps_gpio_device_data *data;  in pps_gpio_probe()  local
100 	data = devm_kzalloc(&pdev->dev, sizeof(struct pps_gpio_device_data),  in pps_gpio_probe()
102 	if (!data)  in pps_gpio_probe()
106 		data->gpio_pin = pdata->gpio_pin;  in pps_gpio_probe()
109 		data->assert_falling_edge = pdata->assert_falling_edge;  in pps_gpio_probe()
110 		data->capture_clear = pdata->capture_clear;  in pps_gpio_probe()
117 		data->gpio_pin = ret;  in pps_gpio_probe()
121 			data->assert_falling_edge = true;  in pps_gpio_probe()
125 	ret = devm_gpio_request(&pdev->dev, data->gpio_pin, gpio_label);  in pps_gpio_probe()
128 			data->gpio_pin);  in pps_gpio_probe()
132 	ret = gpio_direction_input(data->gpio_pin);  in pps_gpio_probe()
139 	ret = gpio_to_irq(data->gpio_pin);  in pps_gpio_probe()
144 	data->irq = ret;  in pps_gpio_probe()
147 	data->info.mode = PPS_CAPTUREASSERT | PPS_OFFSETASSERT |  in pps_gpio_probe()
149 	if (data->capture_clear)  in pps_gpio_probe()
150 		data->info.mode |= PPS_CAPTURECLEAR | PPS_OFFSETCLEAR |  in pps_gpio_probe()
152 	data->info.owner = THIS_MODULE;  in pps_gpio_probe()
153 	snprintf(data->info.name, PPS_MAX_NAME_LEN - 1, "%s.%d",  in pps_gpio_probe()
158 	if (data->capture_clear)  in pps_gpio_probe()
160 	data->pps = pps_register_source(&data->info, pps_default_params);  in pps_gpio_probe()
161 	if (data->pps == NULL) {  in pps_gpio_probe()
163 			data->irq);  in pps_gpio_probe()
168 	ret = devm_request_irq(&pdev->dev, data->irq, pps_gpio_irq_handler,  in pps_gpio_probe()
169 			get_irqf_trigger_flags(data), data->info.name, data);  in pps_gpio_probe()
171 		pps_unregister_source(data->pps);  in pps_gpio_probe()
172 		dev_err(&pdev->dev, "failed to acquire IRQ %d\n", data->irq);  in pps_gpio_probe()
176 	platform_set_drvdata(pdev, data);  in pps_gpio_probe()
177 	dev_info(data->pps->dev, "Registered IRQ %d as PPS source\n",  in pps_gpio_probe()
178 		 data->irq);  in pps_gpio_probe()
185 	struct pps_gpio_device_data *data = platform_get_drvdata(pdev);  in pps_gpio_remove()  local
187 	pps_unregister_source(data->pps);  in pps_gpio_remove()
188 	dev_info(&pdev->dev, "removed IRQ %d as PPS source\n", data->irq);  in pps_gpio_remove()