diff options
| -rw-r--r-- | drivers/pps/clients/pps-gpio.c | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c index d3db26e46489..54c2809021a3 100644 --- a/drivers/pps/clients/pps-gpio.c +++ b/drivers/pps/clients/pps-gpio.c @@ -74,7 +74,7 @@ static int pps_gpio_setup(struct platform_device *pdev) int ret; const struct pps_gpio_platform_data *pdata = pdev->dev.platform_data; - ret = gpio_request(pdata->gpio_pin, pdata->gpio_label); + ret = devm_gpio_request(&pdev->dev, pdata->gpio_pin, pdata->gpio_label); if (ret) { pr_warning("failed to request GPIO %u\n", pdata->gpio_pin); return -EINVAL; @@ -83,7 +83,6 @@ static int pps_gpio_setup(struct platform_device *pdev) ret = gpio_direction_input(pdata->gpio_pin); if (ret) { pr_warning("failed to set pin direction\n"); - gpio_free(pdata->gpio_pin); return -EINVAL; } @@ -109,7 +108,6 @@ static int pps_gpio_probe(struct platform_device *pdev) struct pps_gpio_device_data *data; int irq; int ret; - int err; int pps_default_params; const struct pps_gpio_platform_data *pdata = pdev->dev.platform_data; @@ -123,17 +121,14 @@ static int pps_gpio_probe(struct platform_device *pdev) irq = gpio_to_irq(pdata->gpio_pin); if (irq < 0) { pr_err("failed to map GPIO to IRQ: %d\n", irq); - err = -EINVAL; - goto return_error; + return -EINVAL; } /* allocate space for device info */ data = devm_kzalloc(&pdev->dev, sizeof(struct pps_gpio_device_data), GFP_KERNEL); - if (data == NULL) { - err = -ENOMEM; - goto return_error; - } + if (data == NULL) + return -ENOMEM; /* initialize PPS specific parts of the bookkeeping data structure. */ data->info.mode = PPS_CAPTUREASSERT | PPS_OFFSETASSERT | @@ -152,41 +147,32 @@ static int pps_gpio_probe(struct platform_device *pdev) data->pps = pps_register_source(&data->info, pps_default_params); if (data->pps == NULL) { pr_err("failed to register IRQ %d as PPS source\n", irq); - err = -EINVAL; - goto return_error; + return -EINVAL; } data->irq = irq; data->pdata = pdata; /* register IRQ interrupt handler */ - ret = request_irq(irq, pps_gpio_irq_handler, + ret = devm_request_irq(&pdev->dev, irq, pps_gpio_irq_handler, get_irqf_trigger_flags(pdata), data->info.name, data); if (ret) { pps_unregister_source(data->pps); pr_err("failed to acquire IRQ %d\n", irq); - err = -EINVAL; - goto return_error; + return -EINVAL; } platform_set_drvdata(pdev, data); dev_info(data->pps->dev, "Registered IRQ %d as PPS source\n", irq); return 0; - -return_error: - gpio_free(pdata->gpio_pin); - return err; } static int pps_gpio_remove(struct platform_device *pdev) { struct pps_gpio_device_data *data = platform_get_drvdata(pdev); - const struct pps_gpio_platform_data *pdata = data->pdata; platform_set_drvdata(pdev, NULL); - free_irq(data->irq, data); - gpio_free(pdata->gpio_pin); pps_unregister_source(data->pps); pr_info("removed IRQ %d as PPS source\n", data->irq); return 0; |