netdev - Re: [PATCH 5/5] net: rfkill: gpio: remove rfkill_gpio_platform

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Date:	Wed, 05 Aug 2015 17:15:28 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Johannes Berg <johannes@...solutions.net>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH 5/5] net: rfkill: gpio: remove rfkill_gpio_platform_data

On Wed, 2015-08-05 at 16:39 +0300, Heikki Krogerus wrote:
> No more users for it.
> 
> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> ---
>  include/linux/rfkill-gpio.h | 37 -----------------------------------
> --
>  net/rfkill/Kconfig          |  3 +--
>  net/rfkill/rfkill-gpio.c    |  8 --------
>  3 files changed, 1 insertion(+), 47 deletions(-)
>  delete mode 100644 include/linux/rfkill-gpio.h
> 
> diff --git a/include/linux/rfkill-gpio.h b/include/linux/rfkill
> -gpio.h
> deleted file mode 100644
> index 20bcb55..0000000
> --- a/include/linux/rfkill-gpio.h
> +++ /dev/null
> @@ -1,37 +0,0 @@
> -/*
> - * Copyright (c) 2011, NVIDIA 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; either version 2 of the License, or
> - * (at your option) any later version.
> - *
> - * This program is distributed in the hope that it will be useful, 
> but WITHOUT
> - * ANY WARRANTY; without even the implied warranty of 
> MERCHANTABILITY or
> - * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public 
> License for
> - * more details.
> - *
> - * You should have received a copy of the GNU General Public License 
> along
> - * with this program; if not, write to the Free Software Foundation, 
> Inc.,
> - * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
> - */
> -
> -
> -#ifndef __RFKILL_GPIO_H
> -#define __RFKILL_GPIO_H
> -
> -#include <linux/types.h>
> -#include <linux/rfkill.h>
> -
> -/**
> - * struct rfkill_gpio_platform_data - platform data for rfkill gpio 
> device.
> - * for unused gpio's, the expected value is -1.
> - * @name:		name for the gpio rf kill instance
> - */
> -
> -struct rfkill_gpio_platform_data {
> -	char			*name;
> -	enum rfkill_type	type;
> -};
> -
> -#endif /* __RFKILL_GPIO_H */
> diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig
> index 4c10e7e..6320890 100644
> --- a/net/rfkill/Kconfig
> +++ b/net/rfkill/Kconfig
> @@ -40,5 +40,4 @@ config RFKILL_GPIO
>  	default n
>  	help
>  	  If you say yes here you get support of a generic gpio 
> RFKILL
> -	  driver. The platform should fill in the appropriate fields 
> in the
> -	  rfkill_gpio_platform_data structure and pass that to the 
> driver.
> +	  driver.
> diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
> index 07323c3..69d92e1 100644
> --- a/net/rfkill/rfkill-gpio.c
> +++ b/net/rfkill/rfkill-gpio.c
> @@ -27,8 +27,6 @@
>  #include <linux/acpi.h>
>  #include <linux/gpio/consumer.h>
>  
> -#include <linux/rfkill-gpio.h>
> -
>  struct rfkill_gpio_data {
>  	const char		*name;
>  	enum rfkill_type	type;
> @@ -89,7 +87,6 @@ static int rfkill_gpio_acpi_probe(struct device 
> *dev,
>  
>  static int rfkill_gpio_probe(struct platform_device *pdev)
>  {
> -	struct rfkill_gpio_platform_data *pdata = pdev
> ->dev.platform_data;
>  	struct rfkill_gpio_data *rfkill;
>  	struct gpio_desc *gpio;
>  	const char *type_name;
> @@ -111,11 +108,6 @@ static int rfkill_gpio_probe(struct 
> platform_device *pdev)
>  		ret = rfkill_gpio_acpi_probe(&pdev->dev, rfkill);
>  		if (ret)
>  			return ret;
> -	} else if (pdata) {
> -		rfkill->name = pdata->name;
> -		rfkill->type = pdata->type;
> -	} else {
> -		return -ENODEV;

Shouldn't we leave the error path and modify to check if we have device
property set set?

>  	}
>  
>  	rfkill->clk = devm_clk_get(&pdev->dev, NULL);

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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