diff options
Diffstat (limited to 'drivers/extcon/extcon-adc-jack.c')
-rw-r--r-- | drivers/extcon/extcon-adc-jack.c | 49 |
1 files changed, 20 insertions, 29 deletions
diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c index e23f1c2e5053..e18f95be3733 100644 --- a/drivers/extcon/extcon-adc-jack.c +++ b/drivers/extcon/extcon-adc-jack.c @@ -39,7 +39,7 @@ * @chan: iio channel being queried. */ struct adc_jack_data { - struct extcon_dev edev; + struct extcon_dev *edev; const char **cable_names; int num_cables; @@ -64,7 +64,7 @@ static void adc_jack_handler(struct work_struct *work) ret = iio_read_channel_raw(data->chan, &adc_val); if (ret < 0) { - dev_err(&data->edev.dev, "read channel() error: %d\n", ret); + dev_err(&data->edev->dev, "read channel() error: %d\n", ret); return; } @@ -80,7 +80,7 @@ static void adc_jack_handler(struct work_struct *work) } /* if no def has met, it means state = 0 (no cables attached) */ - extcon_set_state(&data->edev, state); + extcon_set_state(data->edev, state); } static irqreturn_t adc_jack_irq_thread(int irq, void *_data) @@ -102,33 +102,33 @@ static int adc_jack_probe(struct platform_device *pdev) if (!data) return -ENOMEM; - data->edev.name = pdata->name; - if (!pdata->cable_names) { - err = -EINVAL; dev_err(&pdev->dev, "error: cable_names not defined.\n"); - goto out; + return -EINVAL; } - data->edev.dev.parent = &pdev->dev; - data->edev.supported_cable = pdata->cable_names; + data->edev = devm_extcon_dev_allocate(&pdev->dev, pdata->cable_names); + if (IS_ERR(data->edev)) { + dev_err(&pdev->dev, "failed to allocate extcon device\n"); + return -ENOMEM; + } + data->edev->dev.parent = &pdev->dev; + data->edev->name = pdata->name; /* Check the length of array and set num_cables */ - for (i = 0; data->edev.supported_cable[i]; i++) + for (i = 0; data->edev->supported_cable[i]; i++) ; if (i == 0 || i > SUPPORTED_CABLE_MAX) { - err = -EINVAL; dev_err(&pdev->dev, "error: pdata->cable_names size = %d\n", i - 1); - goto out; + return -EINVAL; } data->num_cables = i; if (!pdata->adc_conditions || !pdata->adc_conditions[0].state) { - err = -EINVAL; dev_err(&pdev->dev, "error: adc_conditions not defined.\n"); - goto out; + return -EINVAL; } data->adc_conditions = pdata->adc_conditions; @@ -138,10 +138,8 @@ static int adc_jack_probe(struct platform_device *pdev) data->num_conditions = i; data->chan = iio_channel_get(&pdev->dev, pdata->consumer_channel); - if (IS_ERR(data->chan)) { - err = PTR_ERR(data->chan); - goto out; - } + if (IS_ERR(data->chan)) + return PTR_ERR(data->chan); data->handling_delay = msecs_to_jiffies(pdata->handling_delay_ms); @@ -149,15 +147,14 @@ static int adc_jack_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); - err = extcon_dev_register(&data->edev); + err = devm_extcon_dev_register(&pdev->dev, data->edev); if (err) - goto out; + return err; data->irq = platform_get_irq(pdev, 0); if (!data->irq) { dev_err(&pdev->dev, "platform_get_irq failed\n"); - err = -ENODEV; - goto err_irq; + return -ENODEV; } err = request_any_context_irq(data->irq, adc_jack_irq_thread, @@ -165,15 +162,10 @@ static int adc_jack_probe(struct platform_device *pdev) if (err < 0) { dev_err(&pdev->dev, "error: irq %d\n", data->irq); - goto err_irq; + return err; } return 0; - -err_irq: - extcon_dev_unregister(&data->edev); -out: - return err; } static int adc_jack_remove(struct platform_device *pdev) @@ -182,7 +174,6 @@ static int adc_jack_remove(struct platform_device *pdev) free_irq(data->irq, data); cancel_work_sync(&data->handler.work); - extcon_dev_unregister(&data->edev); return 0; } |