PCI: consolidate PCI config entry in drivers/pci

There is no good reason to duplicate the PCI menu in every architecture.
Instead provide a selectable HAVE_PCI symbol that indicates availability
of PCI support, and a FORCE_PCI symbol to for PCI on and the handle the
rest in drivers/pci.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

10 files changed, 32 insertions, 45 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 91be74d8df65..50bc67857432 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -147,9 +147,6 @@ config ARM_DMA_IOMMU_ALIGNMENT
 
 endif
 
-config MIGHT_HAVE_PCI
-	bool
-
 config SYS_SUPPORTS_APM_EMULATION
 	bool
 
@@ -333,7 +330,7 @@ config ARCH_MULTIPLATFORM
 	select COMMON_CLK
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_IRQ_MULTI_HANDLER
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	select PCI_DOMAINS if PCI
 	select SPARSE_IRQ
 	select USE_OF
@@ -407,7 +404,7 @@ config ARCH_IOP13XX
 	select CPU_XSC3
 	select NEED_MACH_MEMORY_H
 	select NEED_RET_TO_USER
-	select PCI
+	select FORCE_PCI
 	select PLAT_IOP
 	select VMSPLIT_1G
 	select SPARSE_IRQ
@@ -421,7 +418,7 @@ config ARCH_IOP32X
 	select GPIO_IOP
 	select GPIOLIB
 	select NEED_RET_TO_USER
-	select PCI
+	select FORCE_PCI
 	select PLAT_IOP
 	help
 	  Support for Intel's 80219 and IOP32X (XScale) family of
@@ -434,7 +431,7 @@ config ARCH_IOP33X
 	select GPIO_IOP
 	select GPIOLIB
 	select NEED_RET_TO_USER
-	select PCI
+	select FORCE_PCI
 	select PLAT_IOP
 	help
 	  Support for Intel's IOP33X (XScale) family of processors.
@@ -449,7 +446,7 @@ config ARCH_IXP4XX
 	select DMABOUNCE if PCI
 	select GENERIC_CLOCKEVENTS
 	select GPIOLIB
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	select NEED_MACH_IO_H
 	select USB_EHCI_BIG_ENDIAN_DESC
 	select USB_EHCI_BIG_ENDIAN_MMIO
@@ -462,7 +459,7 @@ config ARCH_DOVE
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_IRQ_MULTI_HANDLER
 	select GPIOLIB
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	select MVEBU_MBUS
 	select PINCTRL
 	select PINCTRL_DOVE
@@ -1230,14 +1227,6 @@ config ISA_DMA
 config ISA_DMA_API
 	bool
 
-config PCI
-	bool "PCI support" if MIGHT_HAVE_PCI
-	help
-	  Find out whether you have a PCI motherboard. PCI is the name of a
-	  bus system, i.e. the way the CPU talks to the other stuff inside
-	  your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
-	  VESA. If you have PCI, say Y, otherwise N.
-
 config PCI_DOMAINS
 	bool "Support for multiple PCI domains"
 	depends on PCI
@@ -1266,8 +1255,6 @@ config PCI_HOST_ITE8152
 	default y
 	select DMABOUNCE
 
-source "drivers/pci/Kconfig"
-
 source "drivers/pcmcia/Kconfig"
 
 endmenu
diff --git a/arch/arm/mach-alpine/Kconfig b/arch/arm/mach-alpine/Kconfig
index e3cbb07fe1b4..bc04c91294cf 100644
--- a/arch/arm/mach-alpine/Kconfig
+++ b/arch/arm/mach-alpine/Kconfig
@@ -9,7 +9,7 @@ config ARCH_ALPINE
 	select HAVE_ARM_ARCH_TIMER
 	select HAVE_SMP
 	select MFD_SYSCON
-	select PCI
+	select FORCE_PCI
 	select PCI_HOST_GENERIC
 	help
 	  This enables support for the Annapurna Labs Alpine V1 boards.
diff --git a/arch/arm/mach-footbridge/Kconfig b/arch/arm/mach-footbridge/Kconfig
index cbbdd84cf49a..816a5b89be25 100644
--- a/arch/arm/mach-footbridge/Kconfig
+++ b/arch/arm/mach-footbridge/Kconfig
@@ -9,7 +9,7 @@ config ARCH_CATS
 	select FOOTBRIDGE_HOST
 	select ISA
 	select ISA_DMA
-	select PCI
+	select FORCE_PCI
 	help
 	  Say Y here if you intend to run this kernel on the CATS.
 
@@ -20,7 +20,7 @@ config ARCH_PERSONAL_SERVER
 	select FOOTBRIDGE_HOST
 	select ISA
 	select ISA_DMA
-	select PCI
+	select FORCE_PCI
 	---help---
 	  Say Y here if you intend to run this kernel on the Compaq
 	  Personal Server.
@@ -53,7 +53,7 @@ config ARCH_EBSA285_HOST
 	select ISA
 	select ISA_DMA
 	select ARCH_MAY_HAVE_PC_FDC
-	select PCI
+	select FORCE_PCI
 	help
 	  Say Y here if you intend to run this kernel on the EBSA285 card
 	  in host ("central function") mode.
@@ -67,7 +67,7 @@ config ARCH_NETWINDER
 	select FOOTBRIDGE_HOST
 	select ISA
 	select ISA_DMA
-	select PCI
+	select FORCE_PCI
 	help
 	  Say Y here if you intend to run this kernel on the Rebel.COM
 	  NetWinder.  Information about this machine can be found at:
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index c342dc4e8a45..fea008123eb1 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -7,7 +7,7 @@ comment "IXP4xx Platforms"
 config MACH_NSLU2
 	bool
 	prompt "Linksys NSLU2"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support Linksys's
 	  NSLU2 NAS device. For more information on this platform,
@@ -15,7 +15,7 @@ config MACH_NSLU2
 
 config MACH_AVILA
 	bool "Avila"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support the Gateworks
 	  Avila Network Platform. For more information on this platform,
@@ -31,7 +31,7 @@ config MACH_LOFT
 
 config ARCH_ADI_COYOTE
 	bool "Coyote"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support the ADI 
 	  Engineering Coyote Gateway Reference Platform. For more
@@ -39,7 +39,7 @@ config ARCH_ADI_COYOTE
 
 config MACH_GATEWAY7001
 	bool "Gateway 7001"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support Gateway's
 	  7001 Access Point. For more information on this platform,
@@ -47,7 +47,7 @@ config MACH_GATEWAY7001
 
 config MACH_WG302V2
 	bool "Netgear WG302 v2 / WAG302 v2"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support Netgear's
 	  WG302 v2 or WAG302 v2 Access Points. For more information
@@ -107,7 +107,7 @@ config ARCH_PRPMC1100
 config MACH_NAS100D
 	bool
 	prompt "NAS100D"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support Iomega's
 	  NAS 100d device. For more information on this platform,
@@ -116,7 +116,7 @@ config MACH_NAS100D
 config MACH_DSMG600
 	bool
 	prompt "D-Link DSM-G600 RevA"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support D-Link's
 	  DSM-G600 RevA device. For more information on this platform,
@@ -130,7 +130,7 @@ config	ARCH_IXDP4XX
 config MACH_FSG
 	bool
 	prompt "Freecom FSG-3"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support Freecom's
 	  FSG-3 device. For more information on this platform,
@@ -139,7 +139,7 @@ config MACH_FSG
 config MACH_ARCOM_VULCAN
 	bool
 	prompt "Arcom/Eurotech Vulcan"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support Arcom's
 	  Vulcan board.
@@ -160,7 +160,7 @@ config CPU_IXP43X
 config MACH_GTWX5715
 	bool "Gemtek WX5715 (Linksys WRV54G)"
 	depends on ARCH_IXP4XX
-	select PCI
+	select FORCE_PCI
 	help
 		This board is currently inside the Linksys WRV54G Gateways.
 
@@ -183,7 +183,7 @@ config MACH_DEVIXP
 
 config MACH_MICCPT
 	bool "Omicron MICCPT"
-	select PCI
+	select FORCE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support the MICCPT
 	  board from OMICRON electronics GmbH.
diff --git a/arch/arm/mach-ks8695/Kconfig b/arch/arm/mach-ks8695/Kconfig
index a545976bdbd6..b3185c05fffa 100644
--- a/arch/arm/mach-ks8695/Kconfig
+++ b/arch/arm/mach-ks8695/Kconfig
@@ -4,7 +4,7 @@ menu "Kendin/Micrel KS8695 Implementations"
 
 config MACH_KS8695
 	bool "KS8695 development board"
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	help
 	  Say 'Y' here if you want your kernel to run on the original
 	  Kendin-Micrel KS8695 development board.
@@ -52,7 +52,7 @@ config MACH_CM4002
 
 config MACH_CM4008
 	bool "OpenGear CM4008"
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support the OpenGear
 	  CM4008 Console Server. See http://www.opengear.com for more
@@ -60,7 +60,7 @@ config MACH_CM4008
 
 config MACH_CM41xx
 	bool "OpenGear CM41xx"
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support the OpenGear
 	  CM4016 or CM4048 Console Servers. See http://www.opengear.com for
@@ -68,7 +68,7 @@ config MACH_CM41xx
 
 config MACH_IM4004
 	bool "OpenGear IM4004"
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support the OpenGear
 	  IM4004 Secure Access Server. See http://www.opengear.com for
@@ -76,7 +76,7 @@ config MACH_IM4004
 
 config MACH_IM42xx
 	bool "OpenGear IM42xx"
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	help
 	  Say 'Y' here if you want your kernel to support the OpenGear
 	  IM4216 or IM4248 Console Servers. See http://www.opengear.com for
diff --git a/arch/arm/mach-mv78xx0/Kconfig b/arch/arm/mach-mv78xx0/Kconfig
index 81c0f08a2684..d686a844a790 100644
--- a/arch/arm/mach-mv78xx0/Kconfig
+++ b/arch/arm/mach-mv78xx0/Kconfig
@@ -4,7 +4,7 @@ menuconfig ARCH_MV78XX0
 	select CPU_FEROCEON
 	select GPIOLIB
 	select MVEBU_MBUS
-	select PCI
+	select FORCE_PCI
 	select PLAT_ORION_LEGACY
 	help
 	  Support for the following Marvell MV78xx0 series SoCs:
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 2c20599cc350..5d6fbadd7849 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -124,7 +124,7 @@ config MACH_KIRKWOOD
 	select MACH_MVEBU_ANY
 	select ORION_IRQCHIP
 	select ORION_TIMER
-	select PCI
+	select FORCE_PCI
 	select PCI_QUIRKS
 	select PINCTRL_KIRKWOOD
 	help
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index a810f4dd34b1..38c45a88c793 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -5,7 +5,7 @@ menuconfig ARCH_ORION5X
 	select GENERIC_CLOCKEVENTS
 	select GPIOLIB
 	select MVEBU_MBUS
-	select PCI
+	select FORCE_PCI
 	select PHYLIB if NETDEVICES
 	select PLAT_ORION_LEGACY
 	help
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index a68b34183107..b185794549be 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -125,7 +125,7 @@ config MACH_ARMCORE
 	bool "CompuLab CM-X255/CM-X270 modules"
 	select ARCH_HAS_DMA_SET_COHERENT_MASK if PCI
 	select IWMMXT
-	select MIGHT_HAVE_PCI
+	select HAVE_PCI
 	select NEED_MACH_IO_H if PCI
 	select PXA25x
 	select PXA27x
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig
index fde7ef1ab192..acb2c520ae8b 100644
--- a/arch/arm/mach-sa1100/Kconfig
+++ b/arch/arm/mach-sa1100/Kconfig
@@ -120,7 +120,7 @@ config SA1100_LART
 config SA1100_NANOENGINE
 	bool "nanoEngine"
 	select ARM_SA1110_CPUFREQ
-	select PCI
+	select FORCE_PCI
 	select PCI_NANOENGINE
 	help
 	  Say Y here if you are using the Bright Star Engineering nanoEngine.