diff options
author | Chanwoo Choi <cw00.choi@samsung.com> | 2014-04-21 11:49:30 (GMT) |
---|---|---|
committer | Chanwoo Choi <cw00.choi@samsung.com> | 2014-04-29 00:51:22 (GMT) |
commit | 1876fd9af59904078a73bdd4283c3924fd6cf18e (patch) | |
tree | 75ddeb167d9305462d137da048eba62f07302742 /drivers | |
parent | ef70a214b558184867e5943cf943a03293250ea7 (diff) | |
download | linux-1876fd9af59904078a73bdd4283c3924fd6cf18e.tar.xz |
extcon: adc-jack: Use devm_extcon_dev_allocate for extcon_dev
This patch use devm_extcon_dev_allocate() to simplify the memory control
of extcon device.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/extcon/extcon-adc-jack.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c index 549d820..e18f95b 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) @@ -102,18 +102,21 @@ static int adc_jack_probe(struct platform_device *pdev) if (!data) return -ENOMEM; - data->edev.name = pdata->name; - if (!pdata->cable_names) { dev_err(&pdev->dev, "error: cable_names not defined.\n"); 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) { dev_err(&pdev->dev, "error: pdata->cable_names size = %d\n", @@ -144,7 +147,7 @@ static int adc_jack_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); - err = devm_extcon_dev_register(&pdev->dev, &data->edev); + err = devm_extcon_dev_register(&pdev->dev, data->edev); if (err) return err; |