linux-kernel - [PATCH 15/61] gpio: da9052: Use devm_gpiochip_add

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Message-ID: <1456150130-2668-16-git-send-email-ldewangan@nvidia.com>
Date:	Mon, 22 Feb 2016 19:38:04 +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 15/61] gpio: da9052: 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-da9052.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
index f9b3247..e29553b 100644
--- a/drivers/gpio/gpio-da9052.c
+++ b/drivers/gpio/gpio-da9052.c
@@ -214,7 +214,7 @@ static int da9052_gpio_probe(struct platform_device *pdev)
 	if (pdata && pdata->gpio_base)
 		gpio->gp.base = pdata->gpio_base;
 
-	ret = gpiochip_add_data(&gpio->gp, gpio);
+	ret = devm_gpiochip_add_data(&pdev->dev, &gpio->gp, gpio);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
 		return ret;
@@ -225,17 +225,8 @@ static int da9052_gpio_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int da9052_gpio_remove(struct platform_device *pdev)
-{
-	struct da9052_gpio *gpio = platform_get_drvdata(pdev);
-
-	gpiochip_remove(&gpio->gp);
-	return 0;
-}
-
 static struct platform_driver da9052_gpio_driver = {
 	.probe = da9052_gpio_probe,
-	.remove = da9052_gpio_remove,
 	.driver = {
 		.name	= "da9052-gpio",
 	},
-- 
2.1.4