linux-kernel - [PATCHv4 5/9] extcon: max14577: Use devm_extcon_dev_allocate for extcon

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Date:	Fri, 25 Apr 2014 09:42:20 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	linux-kernel@...r.kernel.org
Cc:	myungjoo.ham@...sung.com, balbi@...com, gg@...mlogic.co.uk,
	kishon@...com, ckeepax@...nsource.wolfsonmicro.com,
	broonie@...nel.org, k.kozlowski@...sung.com,
	kyungmin.park@...sung.com, Chanwoo Choi <cw00.choi@...sung.com>
Subject: [PATCHv4 5/9] extcon: max14577: Use devm_extcon_dev_allocate for
 extcon_dev

This patch use devm_extcon_dev_allocate() to simplify the memory control
of extcon device.

Cc: Krzysztof Kozlowski <k.kozlowski@...sung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 drivers/extcon/extcon-max14577.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
index d17dd4f..d49e891 100644
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c
@@ -739,14 +739,15 @@ static int max14577_muic_probe(struct platform_device *pdev)
 	}
 
 	/* Initialize extcon device */
-	info->edev = devm_kzalloc(&pdev->dev, sizeof(*info->edev), GFP_KERNEL);
-	if (!info->edev) {
+	info->edev = devm_extcon_dev_allocate(&pdev->dev,
+					      max14577_extcon_cable);
+	if (IS_ERR(info->edev)) {
 		dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
 		return -ENOMEM;
 	}
 
 	info->edev->name = dev_name(&pdev->dev);
-	info->edev->supported_cable = max14577_extcon_cable;
+
 	ret = devm_extcon_dev_register(&pdev->dev, info->edev);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to register extcon device\n");
-- 
1.8.0

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