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extcon: max8997: Use devm_extcon_dev_register()

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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>
This commit is contained in:
Sangjung Woo 2014-04-21 19:10:13 +09:00 committed by Chanwoo Choi
parent 10fae1184d
commit 2923803d4f
1 changed files with 1 additions and 3 deletions
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4
drivers/extcon/extcon-max8997.c
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@ -709,7 +709,7 @@ static int max8997_muic_probe(struct platform_device *pdev)
info->edev->name = DEV_NAME;
info->edev->dev.parent = &pdev->dev;
info->edev->supported_cable = max8997_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;
@ -790,8 +790,6 @@ static int max8997_muic_remove(struct platform_device *pdev)
free_irq(muic_irqs[i].virq, info);
cancel_work_sync(&info->irq_work);
extcon_dev_unregister(info->edev);
return 0;
}