linux-kernel - [PATCH 45/61] gpio: tc3589x: Use devm_gpiochip_add

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Message-ID: <1456150130-2668-46-git-send-email-ldewangan@nvidia.com>
Date:	Mon, 22 Feb 2016 19:38:34 +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 45/61] gpio: tc3589x: 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-tc3589x.c | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c
index 05a27ec..4f566e6 100644
--- a/drivers/gpio/gpio-tc3589x.c
+++ b/drivers/gpio/gpio-tc3589x.c
@@ -272,7 +272,8 @@ static int tc3589x_gpio_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	ret = gpiochip_add_data(&tc3589x_gpio->chip, tc3589x_gpio);
+	ret = devm_gpiochip_add_data(&pdev->dev, &tc3589x_gpio->chip,
+				     tc3589x_gpio);
 	if (ret) {
 		dev_err(&pdev->dev, "unable to add gpiochip: %d\n", ret);
 		return ret;
@@ -299,20 +300,10 @@ static int tc3589x_gpio_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int tc3589x_gpio_remove(struct platform_device *pdev)
-{
-	struct tc3589x_gpio *tc3589x_gpio = platform_get_drvdata(pdev);
-
-	gpiochip_remove(&tc3589x_gpio->chip);
-
-	return 0;
-}
-
 static struct platform_driver tc3589x_gpio_driver = {
 	.driver.name	= "tc3589x-gpio",
 	.driver.owner	= THIS_MODULE,
 	.probe		= tc3589x_gpio_probe,
-	.remove		= tc3589x_gpio_remove,
 };
 
 static int __init tc3589x_gpio_init(void)
-- 
2.1.4