linux-kernel - [PATCH 10/20] mfd: mt6397: Use devm_mfd_add_devices() for mfd

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Message-ID: <1459856912-17859-11-git-send-email-ldewangan@nvidia.com>
Date:	Tue, 5 Apr 2016 17:18:22 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	<lee.jones@...aro.org>, <corbet@....net>
CC:	<andreas.werner@....de>, <tony@...mide.com>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<patches@...nsource.wolfsonmicro.com>,
	Laxman Dewangan <ldewangan@...dia.com>,
	John Crispin <blogic@...nwrt.org>,
	Javier Martinez Canillas <javier@....samsung.com>
Subject: [PATCH 10/20] mfd: mt6397: Use devm_mfd_add_devices() for mfd_device registration

Use devm_mfd_add_devices() for mfd devices registration and get
rid of .remove callback to remove mfd devices. This is done
by managed device framework.

Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
CC: John Crispin <blogic@...nwrt.org>
CC: Javier Martinez Canillas <javier@....samsung.com>
---
 drivers/mfd/mt6397-core.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 8e8d932..2ea7788 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -276,7 +276,7 @@ static int mt6397_probe(struct platform_device *pdev)
 		pmic->int_con[1] = MT6323_INT_CON1;
 		pmic->int_status[0] = MT6323_INT_STATUS0;
 		pmic->int_status[1] = MT6323_INT_STATUS1;
-		ret = mfd_add_devices(&pdev->dev, -1, mt6323_devs,
+		ret = devm_mfd_add_devices(&pdev->dev, -1, mt6323_devs,
 				ARRAY_SIZE(mt6323_devs), NULL, 0, NULL);
 		break;
 
@@ -286,7 +286,7 @@ static int mt6397_probe(struct platform_device *pdev)
 		pmic->int_con[1] = MT6397_INT_CON1;
 		pmic->int_status[0] = MT6397_INT_STATUS0;
 		pmic->int_status[1] = MT6397_INT_STATUS1;
-		ret = mfd_add_devices(&pdev->dev, -1, mt6397_devs,
+		ret = devm_mfd_add_devices(&pdev->dev, -1, mt6397_devs,
 				ARRAY_SIZE(mt6397_devs), NULL, 0, NULL);
 		break;
 
@@ -312,13 +312,6 @@ fail_irq:
 	return ret;
 }
 
-static int mt6397_remove(struct platform_device *pdev)
-{
-	mfd_remove_devices(&pdev->dev);
-
-	return 0;
-}
-
 static const struct of_device_id mt6397_of_match[] = {
 	{ .compatible = "mediatek,mt6397" },
 	{ .compatible = "mediatek,mt6323" },
@@ -334,7 +327,6 @@ MODULE_DEVICE_TABLE(platform, mt6397_id);
 
 static struct platform_driver mt6397_driver = {
 	.probe = mt6397_probe,
-	.remove = mt6397_remove,
 	.driver = {
 		.name = "mt6397",
 		.of_match_table = of_match_ptr(mt6397_of_match),
-- 
2.1.4