linux-kernel - [PATCH 61/61] gpio: xgene: Use devm_gpiochip_add

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Message-ID: <1456150130-2668-62-git-send-email-ldewangan@nvidia.com>
Date:	Mon, 22 Feb 2016 19:38:50 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	<linus.walleij@...aro.org>, <gnurou@...il.com>,
	<michael.hennerich@...log.com>, <corbet@....net>, <albeu@...e.fr>,
	<rjui@...adcom.com>, <shc_work@...l.ru>,
	<support.opensource@...semi.com>, <swarren@...dotorg.org>,
	<thierry.reding@...il.com>
CC:	<ldewangan@...dia.com>, <bjorn.andersson@...ymobile.com>,
	<a.kesavan@...sung.com>, <gregkh@...uxfoundation.org>,
	<catalin.marinas@....com>, <linux-doc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
	<patches@...nsource.wolfsonmicro.com>,
	<bcm-kernel-feedback-list@...adcom.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-tegra@...r.kernel.org>
Subject: [PATCH 61/61] gpio: xgene: Use devm_gpiochip_add_data() for gpio registration

Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@...dia.com>
---
 drivers/gpio/gpio-xgene.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c
index 592e9cd..c0aa387 100644
--- a/drivers/gpio/gpio-xgene.c
+++ b/drivers/gpio/gpio-xgene.c
@@ -193,7 +193,7 @@ static int xgene_gpio_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, gpio);
 
-	err = gpiochip_add_data(&gpio->chip, gpio);
+	err = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
 	if (err) {
 		dev_err(&pdev->dev,
 			"failed to register gpiochip.\n");
@@ -207,14 +207,6 @@ err:
 	return err;
 }
 
-static int xgene_gpio_remove(struct platform_device *pdev)
-{
-	struct xgene_gpio *gpio = platform_get_drvdata(pdev);
-
-	gpiochip_remove(&gpio->chip);
-	return 0;
-}
-
 static const struct of_device_id xgene_gpio_of_match[] = {
 	{ .compatible = "apm,xgene-gpio", },
 	{},
@@ -228,7 +220,6 @@ static struct platform_driver xgene_gpio_driver = {
 		.pm     = XGENE_GPIO_PM_OPS,
 	},
 	.probe = xgene_gpio_probe,
-	.remove = xgene_gpio_remove,
 };
 
 module_platform_driver(xgene_gpio_driver);
-- 
2.1.4