linux-kernel - Re: [PATCH v6 2/5] Extcon: support generic GPIO extcon driver

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Date:	Thu, 29 Mar 2012 15:37:41 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	MyungJoo Ham <myungjoo.ham@...sung.com>
CC:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Arnd Bergmann <arnd@...db.de>, NeilBrown <neilb@...e.de>,
	gregkh@...uxfoundation.org,
	Linus Walleij <linus.walleij@...aro.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	myungjoo.ham@...il.com, John Stultz <john.stultz@...aro.org>,
	Arve Hjønnevag <arve@...roid.com>,
	Joerg Roedel <joerg.roedel@....com>,
	Morten CHRISTIANSEN <morten.christiansen@...ricsson.com>,
	Mike Lockwood <lockwood@...roid.com>
Subject: Re: [PATCH v6 2/5] Extcon: support generic GPIO extcon driver

On 02/27/12 04:15, MyungJoo Ham wrote
> +static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
> +{
> +	struct gpio_extcon_data *extcon_data =
> +	    (struct gpio_extcon_data *)dev_id;

Casting from void is unnecessary.

> +
> +static int gpio_extcon_probe(struct platform_device *pdev)

__devinit?

> +{
> +	struct gpio_extcon_platform_data *pdata = pdev->dev.platform_data;
> +	struct gpio_extcon_data *extcon_data;
> +	int ret = 0;
[snip]
> +	return ret;
> +}
> +
> +static int gpio_extcon_remove(struct platform_device *pdev)

__devexit?
> +{
> +	struct gpio_extcon_data *extcon_data = platform_get_drvdata(pdev);
[snip]
> +static struct platform_driver gpio_extcon = {
> +	.probe		= gpio_extcon_probe,
> +	.remove		= gpio_extcon_remove,

__devexit_p()?
> +	.driver		= {
> +		.name	= "extcon-gpio",
> +		.owner	= THIS_MODULE,
> +	},
> +};
> +
> +module_platform_driver(gpio_extcon);
> +
> +MODULE_AUTHOR("Mike Lockwood <lockwood@...roid.com>");
> +MODULE_DESCRIPTION("GPIO extcon driver");
> +MODULE_LICENSE("GPL");
-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

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