kconfig/bus: cleanup bus options menu

This properly indents the bus options menu.
Merge the two MCA variables.
Remove unnecessary "default n" options.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

arch/i386/Kconfig

@@ -1199,18 +1199,14 @@ config EISA
 source "drivers/eisa/Kconfig"
 
 config MCA
-	bool "MCA support"
-	depends on !(X86_VISWS || X86_VOYAGER)
+	bool "MCA support" if !(X86_VISWS || X86_VOYAGER)
+	default y if X86_VOYAGER
 	help
 	  MicroChannel Architecture is found in some IBM PS/2 machines and
 	  laptops.  It is a bus system similar to PCI or ISA. See
 	  <file:Documentation/mca.txt> (and especially the web page given
 	  there) before attempting to build an MCA bus kernel.
 
-config MCA
-	depends on X86_VOYAGER
-	default y if X86_VOYAGER
-
 source "drivers/mca/Kconfig"
 
 config SCx200

drivers/pci/Kconfig

@@ -3,8 +3,8 @@
 #
 config PCI_MSI
 	bool "Message Signaled Interrupts (MSI and MSI-X)"
+	depends on PCI
 	depends on (X86_LOCAL_APIC && X86_IO_APIC) || IA64
-	default n
 	help
 	   This allows device drivers to enable MSI (Message Signaled
 	   Interrupts).  Message Signaled Interrupts enable a device to

drivers/pci/pcie/Kconfig

@@ -3,13 +3,12 @@
 #
 config PCIEPORTBUS
 	bool "PCI Express support"
-	default n
-
-	---help---
-	This automatically enables PCI Express Port Bus support. Users can
-	choose Native Hot-Plug support, Advanced Error Reporting support,
-	Power Management Event support and Virtual Channel support to run
-	on PCI Express Ports (Root or Switch).
+	depends on PCI
+	help
+	  This automatically enables PCI Express Port Bus support. Users can
+	  choose Native Hot-Plug support, Advanced Error Reporting support,
+	  Power Management Event support and Virtual Channel support to run
+	  on PCI Express Ports (Root or Switch).
 
 #
 # Include service Kconfig here

drivers/pcmcia/Kconfig

@@ -20,9 +20,10 @@ config PCCARD
 	  To compile this driver as modules, choose M here: the
 	  module will be called pcmcia_core.
 
+if PCCARD
+
 config PCMCIA_DEBUG
 	bool "Enable PCCARD debugging"
-	depends on PCCARD != n
 	help
 	  Say Y here to enable PCMCIA subsystem debugging.  You
 	  will need to choose the debugging level either via the
@@ -41,7 +42,6 @@ config PCMCIA_DEBUG
 
 config PCMCIA
 	tristate "16-bit PCMCIA support"
-	depends on PCCARD
 	default y
 	---help---
 	   This option enables support for 16-bit PCMCIA cards. Most older
@@ -60,7 +60,7 @@ config PCMCIA
 
 config CARDBUS
 	bool "32-bit CardBus support"	
-	depends on PCCARD && PCI
+	depends on PCI
 	default y
 	---help---
 	  CardBus is a bus mastering architecture for PC-cards, which allows
@@ -77,7 +77,7 @@ comment "PC-card bridges"
 
 config YENTA
 	tristate "CardBus yenta-compatible bridge support"
-	depends on PCCARD && PCI
+	depends on PCI
 #fixme: remove dependendcy on CARDBUS
 	depends on CARDBUS
 	select PCCARD_NONSTATIC
@@ -197,6 +197,7 @@ config PCMCIA_VRC4173
 
 config PCCARD_NONSTATIC
 	tristate
-	depends on PCCARD
+
+endif	# PCCARD
 
 endmenu