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extcon: max77693: Use devm_extcon_dev_register() 

Use the resource-managed extcon device register function (i.e.
devm_extcon_dev_register()) instead of extcon_dev_register(). If extcon device
is attached with this function, that extcon device is automatically unregistered
on driver detach. That reduces tiresome managing code.

Signed-off-by: Sangjung Woo <sangjung.woo@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
hifive-unleashed-5.1
Sangjung Woo 2014-04-21 19:10:12 +09:00 committed by Chanwoo Choi
parent 14dbd54962
commit 10fae1184d
1 changed files with 2 additions and 5 deletions
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7
drivers/extcon/extcon-max77693.c
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@ -1185,7 +1185,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
info->edev->name = DEV_NAME;
info->edev->dev.parent = &pdev->dev;
info->edev->supported_cable = max77693_extcon_cable;
ret = extcon_dev_register(info->edev);
ret = devm_extcon_dev_register(&pdev->dev, info->edev);
if (ret) {
dev_err(&pdev->dev, "failed to register extcon device\n");
goto err_irq;
@ -1267,7 +1267,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
MAX77693_MUIC_REG_ID, &id);
if (ret < 0) {
dev_err(&pdev->dev, "failed to read revision number\n");
goto err_extcon;
goto err_irq;
}
dev_info(info->dev, "device ID : 0x%x\n", id);
@ -1288,8 +1288,6 @@ static int max77693_muic_probe(struct platform_device *pdev)
return ret;
err_extcon:
extcon_dev_unregister(info->edev);
err_irq:
while (--i >= 0)
free_irq(muic_irqs[i].virq, info);
@ -1305,7 +1303,6 @@ static int max77693_muic_remove(struct platform_device *pdev)
free_irq(muic_irqs[i].virq, info);
cancel_work_sync(&info->irq_work);
input_unregister_device(info->dock);
extcon_dev_unregister(info->edev);
return 0;
}