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Date:	Mon, 7 Jul 2014 05:43:15 +0000
From:	"Grumbach, Emmanuel" <emmanuel.grumbach@...el.com>
To:	Randy Dunlap <rdunlap@...radead.org>,
	Larry Finger <Larry.Finger@...inger.net>,
	"Yann E. MORIN" <yann.morin.1998@...e.fr>
CC:	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: RE: [patch] iwlwifi: fix Kconfig option continuity

> 
> On 07/06/2014 10:11 AM, Larry Finger wrote:
> > A problem with configuration of IWLWIFI has been bisected to commit
> 48e2934, where a new section was added to
> drivers/net/wireless/iwlwifi/Kconfig with the following code:
> >
> > # don't call it _MODULE -- will confuse Kconfig/fixdep/...
> > config IWLWIFI_OPMODE_MODULAR
> >         bool
> >         default y if IWLDVM=m
> >         default y if IWLMVM=m
> >
> > When the above section is present, 'make xconfig' fails to show a
> "Debugging options" menu' even though 'make menuconfig' displays
> correctly. despite the incorrect on-screen display, xconfig does not delete
> the affected info in .config after it was set by menuconfig, thus the bug only
> seems to affect the display in xconfig.
> >
> > Is there anything wrong with that section in iwlwifi's Kconfig, or is it a bug in
> xconfig?
> 
> in menuconfig or nconfig:
> Notice that 'Debugging options' is not indented under iwlwifi, but listed at
> the same indent level.  That is a huge clue.
> 
> 
> in xconfig:
> The 'Debugging options' menu is displayed, but it's not where you expect or
> want it to be found.  Look under 'Wireless LAN' and immediately under
> 'Atheros Wireless Cards'
> and it says 'Debugging options' (on the left panel).  Then the debugging
> options are displayed in the right hand panel.
> 
> This is a common problem.  I have made Kconfig patches for it several times.
> Here is another one.  Works for me.
> 
> ---
> Fix iwlwifi options so that they all depend on IWLWIFI and are displayed
> under the iwlwifi driver instead of in other unexpected places.
> 
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: Larry Finger <Larry.Finger@...inger.net>
> ---

Thanks for the patch. I'll add a commit message and submit it.

>  drivers/net/wireless/iwlwifi/Kconfig |   17 ++++++++---------
>  1 file changed, 8 insertions(+), 9 deletions(-)
> 
> Index: lnx-316-rc3/drivers/net/wireless/iwlwifi/Kconfig
> ==========================================================
> =========
> --- lnx-316-rc3.orig/drivers/net/wireless/iwlwifi/Kconfig
> +++ lnx-316-rc3/drivers/net/wireless/iwlwifi/Kconfig
> @@ -39,9 +39,10 @@ config IWLWIFI
>  	  say M here and read <file:Documentation/kbuild/modules.txt>.
> The
>  	  module will be called iwlwifi.
> 
> +if IWLWIFI
> +
>  config IWLWIFI_LEDS
>  	bool
> -	depends on IWLWIFI
>  	depends on LEDS_CLASS=y || LEDS_CLASS=IWLWIFI
>  	select LEDS_TRIGGERS
>  	select MAC80211_LEDS
> @@ -49,7 +50,6 @@ config IWLWIFI_LEDS
> 
>  config IWLDVM
>  	tristate "Intel Wireless WiFi DVM Firmware support"
> -	depends on IWLWIFI
>  	default IWLWIFI
>  	help
>  	  This is the driver that supports the DVM firmware which is @@ -58,7
> +58,6 @@ config IWLDVM
> 
>  config IWLMVM
>  	tristate "Intel Wireless WiFi MVM Firmware support"
> -	depends on IWLWIFI
>  	help
>  	  This is the driver that supports the MVM firmware which is
>  	  currently only available for 7260 and 3160 devices.
> @@ -70,7 +69,7 @@ config IWLWIFI_OPMODE_MODULAR
>  	default y if IWLMVM=m
> 
>  comment "WARNING: iwlwifi is useless without IWLDVM or IWLMVM"
> -	depends on IWLWIFI && IWLDVM=n && IWLMVM=n
> +	depends on IWLDVM=n && IWLMVM=n
> 
>  config IWLWIFI_BCAST_FILTERING
>  	bool "Enable broadcast filtering"
> @@ -86,11 +85,9 @@ config IWLWIFI_BCAST_FILTERING
>  	  expect incoming broadcasts for their normal operations.
> 
>  menu "Debugging Options"
> -	depends on IWLWIFI
> 
>  config IWLWIFI_DEBUG
>  	bool "Enable full debugging output in the iwlwifi driver"
> -	depends on IWLWIFI
>  	---help---
>  	  This option will enable debug tracing output for the iwlwifi drivers
> 
> @@ -115,7 +112,7 @@ config IWLWIFI_DEBUG
> 
>  config IWLWIFI_DEBUGFS
>          bool "iwlwifi debugfs support"
> -        depends on IWLWIFI && MAC80211_DEBUGFS
> +        depends on MAC80211_DEBUGFS
>          ---help---
>  	  Enable creation of debugfs files for the iwlwifi drivers. This
>  	  is a low-impact option that allows getting insight into the @@ -
> 123,13 +120,12 @@ config IWLWIFI_DEBUGFS
> 
>  config IWLWIFI_DEBUG_EXPERIMENTAL_UCODE
>          bool "Experimental uCode support"
> -        depends on IWLWIFI && IWLWIFI_DEBUG
> +        depends on IWLWIFI_DEBUG
>          ---help---
>  	  Enable use of experimental ucode for testing and debugging.
> 
>  config IWLWIFI_DEVICE_TRACING
>  	bool "iwlwifi device access tracing"
> -	depends on IWLWIFI
>  	depends on EVENT_TRACING
>  	help
>  	  Say Y here to trace all commands, including TX frames and IO @@ -
> 144,4 +140,7 @@ config IWLWIFI_DEVICE_TRACING
> 
>  	  If unsure, say Y so we can help you better when problems
>  	  occur.
> +
>  endmenu
> +
> +endif
--
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