linux-kernel - [PATCHv2 6/8] extcon: max8997: Use devm_extcon_dev

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Message-id: <1397729403-32045-7-git-send-email-sangjung.woo@samsung.com>
Date:	Thu, 17 Apr 2014 19:10:01 +0900
From:	Sangjung Woo <sangjung.woo@...sung.com>
To:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>
Cc:	linux-kernel@...r.kernel.org,
	Sangjung Woo <sangjung.woo@...sung.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Seung-Woo Kim <sw0312.kim@...sung.com>
Subject: [PATCHv2 6/8] extcon: max8997: 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@...sung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 drivers/extcon/extcon-max8997.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index 223e6b0..804a446 100644
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -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;
 }
 
-- 
1.7.9.5

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