diff options
Diffstat (limited to 'drivers/pps')
| -rw-r--r-- | drivers/pps/clients/pps-gpio.c | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c index c6db3a3b257b..b097da5a659a 100644 --- a/drivers/pps/clients/pps-gpio.c +++ b/drivers/pps/clients/pps-gpio.c @@ -99,45 +99,39 @@ static void pps_gpio_echo_timer_callback(struct timer_list *t) gpiod_set_value(info->echo_pin, 0); } -static int pps_gpio_setup(struct platform_device *pdev) +static int pps_gpio_setup(struct device *dev) { - struct pps_gpio_device_data *data = platform_get_drvdata(pdev); + struct pps_gpio_device_data *data = dev_get_drvdata(dev); int ret; u32 value; - data->gpio_pin = devm_gpiod_get(&pdev->dev, - NULL, /* request "gpios" */ - GPIOD_IN); + data->gpio_pin = devm_gpiod_get(dev, NULL, GPIOD_IN); if (IS_ERR(data->gpio_pin)) - return dev_err_probe(&pdev->dev, PTR_ERR(data->gpio_pin), + return dev_err_probe(dev, PTR_ERR(data->gpio_pin), "failed to request PPS GPIO\n"); - data->echo_pin = devm_gpiod_get_optional(&pdev->dev, - "echo", - GPIOD_OUT_LOW); + data->echo_pin = devm_gpiod_get_optional(dev, "echo", GPIOD_OUT_LOW); if (IS_ERR(data->echo_pin)) - return dev_err_probe(&pdev->dev, PTR_ERR(data->echo_pin), + return dev_err_probe(dev, PTR_ERR(data->echo_pin), "failed to request ECHO GPIO\n"); if (data->echo_pin) { - ret = device_property_read_u32(&pdev->dev, "echo-active-ms", &value); + ret = device_property_read_u32(dev, "echo-active-ms", &value); if (ret) { - dev_err(&pdev->dev, - "failed to get echo-active-ms from FW\n"); + dev_err(dev, "failed to get echo-active-ms from FW\n"); return ret; } data->echo_active_ms = value; /* sanity check on echo_active_ms */ if (!data->echo_active_ms || data->echo_active_ms > 999) { - dev_err(&pdev->dev, - "echo-active-ms: %u - bad value from FW\n", + dev_err(dev, "echo-active-ms: %u - bad value from FW\n", data->echo_active_ms); return -EINVAL; } } data->assert_falling_edge = - device_property_read_bool(&pdev->dev, "assert-falling-edge"); + device_property_read_bool(dev, "assert-falling-edge"); return 0; } @@ -158,24 +152,26 @@ get_irqf_trigger_flags(const struct pps_gpio_device_data *data) static int pps_gpio_probe(struct platform_device *pdev) { struct pps_gpio_device_data *data; + struct device *dev = &pdev->dev; int ret; int pps_default_params; /* allocate space for device info */ - data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - platform_set_drvdata(pdev, data); + + dev_set_drvdata(dev, data); /* GPIO setup */ - ret = pps_gpio_setup(pdev); + ret = pps_gpio_setup(dev); if (ret) return -EINVAL; /* IRQ setup */ ret = gpiod_to_irq(data->gpio_pin); if (ret < 0) { - dev_err(&pdev->dev, "failed to map GPIO to IRQ: %d\n", ret); + dev_err(dev, "failed to map GPIO to IRQ: %d\n", ret); return -EINVAL; } data->irq = ret; @@ -201,17 +197,17 @@ static int pps_gpio_probe(struct platform_device *pdev) pps_default_params |= PPS_CAPTURECLEAR | PPS_OFFSETCLEAR; data->pps = pps_register_source(&data->info, pps_default_params); if (IS_ERR(data->pps)) { - dev_err(&pdev->dev, "failed to register IRQ %d as PPS source\n", + dev_err(dev, "failed to register IRQ %d as PPS source\n", data->irq); return PTR_ERR(data->pps); } /* register IRQ interrupt handler */ - ret = devm_request_irq(&pdev->dev, data->irq, pps_gpio_irq_handler, + ret = devm_request_irq(dev, data->irq, pps_gpio_irq_handler, get_irqf_trigger_flags(data), data->info.name, data); if (ret) { pps_unregister_source(data->pps); - dev_err(&pdev->dev, "failed to acquire IRQ %d\n", data->irq); + dev_err(dev, "failed to acquire IRQ %d\n", data->irq); return -EINVAL; } |