linux-kernel - Re: [PATCH v2] acpi: fan.c: printk replacement

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Date:	Wed, 03 Sep 2014 23:51:12 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc:	Zhang Rui <rui.zhang@...el.com>, Len Brown <lenb@...nel.org>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] acpi: fan.c: printk replacement

On Thursday, August 28, 2014 07:17:19 PM Sudip Mukherjee wrote:
> printk replaced with corresponding dev_err and dev_info 
> fixed one broken user-visible string 
> multiine comment edited for correct commenting style 
> asm/uaccess.h replaced with linux/uaccess.h
> PREFIX removed
> 
> Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
> ---
> 
> modified with reference to the discussion at https://lkml.org/lkml/2014/8/22/176 

Queued up for 3.18, thanks!

>  drivers/acpi/fan.c | 18 ++++++++----------
>  1 file changed, 8 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
> index 8acf53e..5328b10 100644
> --- a/drivers/acpi/fan.c
> +++ b/drivers/acpi/fan.c
> @@ -27,12 +27,10 @@
>  #include <linux/module.h>
>  #include <linux/init.h>
>  #include <linux/types.h>
> -#include <asm/uaccess.h>
> +#include <linux/uaccess.h>
>  #include <linux/thermal.h>
>  #include <linux/acpi.h>
>  
> -#define PREFIX "ACPI: "
> -
>  #define ACPI_FAN_CLASS			"fan"
>  #define ACPI_FAN_FILE_STATE		"state"
>  
> @@ -127,8 +125,9 @@ static const struct thermal_cooling_device_ops fan_cooling_ops = {
>  };
>  
>  /* --------------------------------------------------------------------------
> -                                 Driver Interface
> -   -------------------------------------------------------------------------- */
> + *                               Driver Interface
> + * --------------------------------------------------------------------------
> +*/
>  
>  static int acpi_fan_add(struct acpi_device *device)
>  {
> @@ -143,7 +142,7 @@ static int acpi_fan_add(struct acpi_device *device)
>  
>  	result = acpi_bus_update_power(device->handle, NULL);
>  	if (result) {
> -		printk(KERN_ERR PREFIX "Setting initial power state\n");
> +		dev_err(&device->dev, "Setting initial power state\n");
>  		goto end;
>  	}
>  
> @@ -168,10 +167,9 @@ static int acpi_fan_add(struct acpi_device *device)
>  				   &device->dev.kobj,
>  				   "device");
>  	if (result)
> -		dev_err(&device->dev, "Failed to create sysfs link "
> -			"'device'\n");
> +		dev_err(&device->dev, "Failed to create sysfs link 'device'\n");
>  
> -	printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
> +	dev_info(&device->dev, "ACPI: %s [%s] (%s)\n",
>  	       acpi_device_name(device), acpi_device_bid(device),
>  	       !device->power.state ? "on" : "off");
>  
> @@ -217,7 +215,7 @@ static int acpi_fan_resume(struct device *dev)
>  
>  	result = acpi_bus_update_power(to_acpi_device(dev)->handle, NULL);
>  	if (result)
> -		printk(KERN_ERR PREFIX "Error updating fan power state\n");
> +		dev_err(dev, "Error updating fan power state\n");
>  
>  	return result;
>  }
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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