Re: [PATCH] hwmon: w83795: Fan control option isn't that dangerous

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On Tue, Aug 06, 2019 at 10:21:23AM +0200, Jean Delvare wrote:
> I have been using SENSORS_W83795_FANCTRL for several years and never
> had any problem. When the driver was added, I had not tested that
> part of the driver yet so I wanted to be super cautious, but time has
> shown that it works just fine.
> 
> In the long run I even believe that we should drop the option and
> enable the feature unconditionally. It doesn't do anything until the
> user explicitly starts twiddling with sysfs attributes anyway.
> 
> Signed-off-by: Jean Delvare <jdelvare@xxxxxxx>

Applied to hwmon-next. And, yes, dropping the option is fine with me.

Thanks,
Guenter

> ---
>  drivers/hwmon/Kconfig |    7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> --- linux-5.2.orig/drivers/hwmon/Kconfig	2019-07-08 00:41:56.000000000 +0200
> +++ linux-5.2/drivers/hwmon/Kconfig	2019-08-06 09:55:16.344547556 +0200
> @@ -1834,17 +1834,12 @@ config SENSORS_W83795
>  	  will be called w83795.
>  
>  config SENSORS_W83795_FANCTRL
> -	bool "Include automatic fan control support (DANGEROUS)"
> +	bool "Include automatic fan control support"
>  	depends on SENSORS_W83795
>  	help
>  	  If you say yes here, support for automatic fan speed control
>  	  will be included in the driver.
>  
> -	  This part of the code wasn't carefully reviewed and tested yet,
> -	  so enabling this option is strongly discouraged on production
> -	  servers. Only developers and testers should enable it for the
> -	  time being.
> -
>  	  Please also note that this option will create sysfs attribute
>  	  files which may change in the future, so you shouldn't rely
>  	  on them being stable.



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