linux-kernel - Re: [PATCH] staging: comedi: Kconfig: make COMEDI_BOND select COMEDI

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Date:	Wed, 27 Aug 2014 12:26:47 -0700
From:	Randy Dunlap <rdunlap@...radead.org>
To:	Ian Abbott <abbotti@....co.uk>, devel@...uxdriverproject.org
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	H Hartley Sweeten <hartleys@...ionengravers.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: comedi: Kconfig: make COMEDI_BOND select COMEDI_KCOMEDILIB

On 08/27/14 12:19, Ian Abbott wrote:
> Currently, to select the "comedi_bond" driver, the "kcomedilib" support
> has to be selected first.  It seems more natural to allow the
> "comedi_bond" driver to be selected on its own and to automatically
> select the "kcomedilib" module as a result of that.  Change the
> dependency/select relationship between the two configuration options to
> do that.
> 
> Also, make "kcomedilib" a module that can be selected independently,
> perhaps for use by out-of-tree modules, although it is not terribly
> useful for anything other than "comedi_bond" currently.
> 
> Also, improve the help text for the config options.
> 
> Signed-off-by: Ian Abbott <abbotti@....co.uk>
> ---
>  drivers/staging/comedi/Kconfig | 25 ++++++++++++++++++-------
>  1 file changed, 18 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig
> index 7d6cebc..c18e6e9 100644
> --- a/drivers/staging/comedi/Kconfig
> +++ b/drivers/staging/comedi/Kconfig
> @@ -42,18 +42,15 @@ menuconfig COMEDI_MISC_DRIVERS
>  
>  if COMEDI_MISC_DRIVERS
>  
> -config COMEDI_KCOMEDILIB
> -	tristate "Comedi kcomedilib"
> -	---help---
> -	  Build the kcomedilib
> -
>  config COMEDI_BOND
> -	tristate "Device bonding support"
> -	depends on COMEDI_KCOMEDILIB
> +	tristate "Comedi device bonding support"
> +	select COMEDI_KCOMEDILIB
>  	---help---
>  	  Enable support for a driver to 'bond' (merge) multiple subdevices
>  	  from multiple devices together as one.
>  
> +	  Currently, it only handles digital I/O subdevices.
> +
>  	  To compile this driver as a module, choose M here: the module will be
>  	  called comedi_bond.
>  
> @@ -1272,6 +1269,20 @@ config COMEDI_8255
>  	  To compile this driver as a module, choose M here: the module will be
>  	  called 8255.
>  
> +config COMEDI_KCOMEDILIB
> +	tristate "Comedi kcomedilib"
> +	---help---
> +	  Build the kcomedilib.
> +
> +	  This is a kernel module used to open and manipulate Comedi devices
> +	  from within kernel code.  It is currently only used by the
> +	  comedi_bond driver, and it's functionality has been stripped

	                          its

> +	  down to the needs of that driver, so is currently not very useful
> +	  for anything else.
> +
> +	  To compile kcomedilib as a module, choose M here: the module will be
> +	  called kcomedilib.
> +
>  config COMEDI_FC
>  	tristate
>  
> 


-- 
~Randy
--
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