linux-kernel - Re: [PATCH v3 3/3] gpio: add support for the Diolan DLN-2 USB GPIO driver

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Date:	Mon, 8 Sep 2014 18:44:38 +0200
From:	Johan Hovold <johan@...nel.org>
To:	Octavian Purdila <octavian.purdila@...el.com>
Cc:	gregkh@...uxfoundation.org, linus.walleij@...aro.org,
	gnurou@...il.com, wsa@...-dreams.de, sameo@...ux.intel.com,
	lee.jones@...aro.org, arnd@...db.de, johan@...nel.org,
	daniel.baluta@...el.com, laurentiu.palcu@...el.com,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org
Subject: Re: [PATCH v3 3/3] gpio: add support for the Diolan DLN-2 USB GPIO
 driver

On Fri, Sep 05, 2014 at 06:17:59PM +0300, Octavian Purdila wrote:

> --- /dev/null
> +++ b/drivers/gpio/gpio-dln2.c
> @@ -0,0 +1,537 @@
> +/*
> + * Driver for the Diolan DLN-2 USB-GPIO adapter
> + *
> + * Copyright (c) 2014 Intel Corporation
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation, version 2.
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/errno.h>
> +#include <linux/module.h>
> +#include <linux/slab.h>
> +#include <linux/types.h>
> +#include <linux/mutex.h>
> +#include <linux/irqdomain.h>
> +#include <linux/irq.h>
> +#include <linux/irqchip/chained_irq.h>
> +#include <linux/usb.h>
> +#include <linux/gpio.h>
> +#include <linux/gpio/driver.h>
> +#include <linux/ptrace.h>
> +#include <linux/wait.h>
> +#include <linux/platform_device.h>
> +#include <linux/mfd/dln2.h>

It seems you don't need all these includes (usb, ptrace, wait...). Only
include what you actually use.

Johan
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