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path: root/drivers/extcon/extcon-adc-jack.c
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Diffstat (limited to 'drivers/extcon/extcon-adc-jack.c')
-rw-r--r--drivers/extcon/extcon-adc-jack.c49
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;
}