linux-kernel - [PATCH 12/36] Use menuconfig objects II

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Message-ID: <Pine.LNX.4.61.0704301333340.29151@yvahk01.tjqt.qr>
Date:	Mon, 30 Apr 2007 13:35:29 +0200 (MEST)
From:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
To:	Karsten Keil <kkeil@...e.de>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kai Germaschewski <kai.germaschewski@....de>,
	isdn4linux@...tserv.isdn4linux.de,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 12/36] Use menuconfig objects II - ISDN


Change Kconfig objects from "menu, config" into "menuconfig" so
that the user can disable the whole feature without having to
enter the menu first.

In this patch, CONFIG_ISDN is also changed from a tristate to bool,
since no Makefile uses obj-$(CONFIG_ISDN) that could possibly
produce a module out of CONFIG_ISDN. So CONFIG_ISDN=y and
CONFIG_ISDN=m would do the same, in which case only allowing yes/no
seems 'nicer' to me. The submodules in the ISDN menu can still be
built as modules, as usual.

CAUTION: Everyone who has CONFIG_ISDN set to 'm' will get it set to 
'n'(!), so either everyone (including defconfig maintainers) should keep 
an eye open, or I need to come up with a patch that changes kconfig to 
just downgrade m->y in such cases.

Signed-off-by: Jan Engelhardt <jengelh@....de>

---
 drivers/isdn/Kconfig |   21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

--- linux-2.6.21-mm_20070428.orig/drivers/isdn/Kconfig
+++ linux-2.6.21-mm_20070428/drivers/isdn/Kconfig
@@ -2,10 +2,8 @@
 # ISDN device configuration
 #
 
-menu "ISDN subsystem"
-
-config ISDN
-	tristate "ISDN support"
+menuconfig ISDN
+	bool "ISDN support"
 	depends on NET
 	---help---
 	  ISDN ("Integrated Services Digital Networks", called RNIS in France)
@@ -20,12 +18,11 @@ config ISDN
 
 	  Select this option if you want your kernel to support ISDN.
 
+if ISDN
 
-menu "Old ISDN4Linux"
-	depends on NET && ISDN
-
-config ISDN_I4L
+menuconfig ISDN_I4L
 	tristate "Old ISDN4Linux subsystem"
+	depends on NET
 	---help---
 	  This driver allows you to use an ISDN adapter for networking
 	  connections and as dialin/out device.  The isdn-tty's have a built
@@ -46,14 +43,11 @@ if ISDN_I4L
 source "drivers/isdn/i4l/Kconfig"
 endif
 
-endmenu
-
 comment "CAPI subsystem"
-	depends on NET && ISDN
+	depends on NET
 
 config ISDN_CAPI
 	tristate "CAPI2.0 support"
-	depends on ISDN
 	help
 	  This provides the CAPI (Common ISDN Application Programming
 	  Interface, a standard making it easy for programs to access ISDN
@@ -64,5 +58,4 @@ source "drivers/isdn/capi/Kconfig"
 
 source "drivers/isdn/hardware/Kconfig"
 
-endmenu
-
+endif # ISDN
-
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