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>

2 files changed, 18 insertions, 31 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index f82a4da7adf3f..479566c76562e 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -40,13 +40,16 @@ config SUPERH
 	select GENERIC_IDLE_POLL_SETUP
 	select GENERIC_CLOCKEVENTS
 	select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST
+	select GENERIC_PCI_IOMAP if PCI
 	select GENERIC_SCHED_CLOCK
 	select GENERIC_STRNCPY_FROM_USER
 	select GENERIC_STRNLEN_USER
 	select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
 	select MODULES_USE_ELF_RELA
+	select NO_GENERIC_PCI_IOPORT_MAP if PCI
 	select OLD_SIGSUSPEND
 	select OLD_SIGACTION
+	select PCI_DOMAINS if PCI
 	select HAVE_ARCH_AUDITSYSCALL
 	select HAVE_FUTEX_CMPXCHG if FUTEX
 	select HAVE_NMI
@@ -130,9 +133,6 @@ config SYS_SUPPORTS_SMP
 config SYS_SUPPORTS_NUMA
 	bool
 
-config SYS_SUPPORTS_PCI
-	bool
-
 config STACKTRACE_SUPPORT
 	def_bool y
 
@@ -855,22 +855,9 @@ config MAPLE
 	 Dreamcast with a serial line terminal or a remote network
 	 connection.
 
-config PCI
-	bool "PCI support"
-	depends on SYS_SUPPORTS_PCI
-	select PCI_DOMAINS
-	select GENERIC_PCI_IOMAP
-	select NO_GENERIC_PCI_IOPORT_MAP
-	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. If you have PCI, say Y, otherwise N.
-
 config PCI_DOMAINS
 	bool
 
-source "drivers/pci/Kconfig"
-
 source "drivers/pcmcia/Kconfig"
 
 endmenu
diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 6394b4f0a69be..b9a37057b77a9 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -101,7 +101,7 @@ config SH_7751_SOLUTION_ENGINE
 config SH_7780_SOLUTION_ENGINE
 	bool "SolutionEngine7780"
 	select SOLUTION_ENGINE
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	depends on CPU_SUBTYPE_SH7780
 	help
 	  Select 7780 SolutionEngine if configuring for a Renesas SH7780
@@ -129,7 +129,7 @@ config SH_HP6XX
 
 config SH_DREAMCAST
 	bool "Dreamcast"
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	depends on CPU_SUBTYPE_SH7091
 	help
 	  Select Dreamcast if configuring for a SEGA Dreamcast.
@@ -139,7 +139,7 @@ config SH_SH03
 	bool "Interface CTP/PCI-SH03"
 	depends on CPU_SUBTYPE_SH7751
 	select CPU_HAS_IPR_IRQ
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	help
 	  CTP/PCI-SH03 is a CPU module computer that is produced
 	  by Interface Corporation.
@@ -149,7 +149,7 @@ config SH_SECUREEDGE5410
 	bool "SecureEdge5410"
 	depends on CPU_SUBTYPE_SH7751R
 	select CPU_HAS_IPR_IRQ
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	help
 	  Select SecureEdge5410 if configuring for a SnapGear SH board.
 	  This includes both the OEM SecureEdge products as well as the
@@ -158,7 +158,7 @@ config SH_SECUREEDGE5410
 config SH_RTS7751R2D
 	bool "RTS7751R2D"
 	depends on CPU_SUBTYPE_SH7751R
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	select IO_TRAPPED if MMU
 	help
 	  Select RTS7751R2D if configuring for a Renesas Technology
@@ -176,7 +176,7 @@ config SH_RSK
 config SH_SDK7780
 	bool "SDK7780R3"
 	depends on CPU_SUBTYPE_SH7780
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	help
 	  Select SDK7780 if configuring for a Renesas SH7780 SDK7780R3
 	  evaluation board.
@@ -184,7 +184,7 @@ config SH_SDK7780
 config SH_SDK7786
 	bool "SDK7786"
 	depends on CPU_SUBTYPE_SH7786
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	select NO_IOPORT_MAP if !PCI
 	select HAVE_SRAM_POOL
 	select REGULATOR_FIXED_VOLTAGE if REGULATOR
@@ -195,7 +195,7 @@ config SH_SDK7786
 config SH_HIGHLANDER
 	bool "Highlander"
 	depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	select IO_TRAPPED if MMU
 
 config SH_SH7757LCR
@@ -207,7 +207,7 @@ config SH_SH7757LCR
 config SH_SH7785LCR
 	bool "SH7785LCR"
 	depends on CPU_SUBTYPE_SH7785
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 
 config SH_SH7785LCR_29BIT_PHYSMAPS
 	bool "SH7785LCR 29bit physmaps"
@@ -229,7 +229,7 @@ config SH_URQUELL
 	bool "Urquell"
 	depends on CPU_SUBTYPE_SH7786
 	select GPIOLIB
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	select NO_IOPORT_MAP if !PCI
 
 config SH_MIGOR
@@ -302,7 +302,7 @@ config SH_SH4202_MICRODEV
 config SH_LANDISK
 	bool "LANDISK"
 	depends on CPU_SUBTYPE_SH7751R
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	help
 	  I-O DATA DEVICE, INC. "LANDISK Series" support.
 
@@ -310,7 +310,7 @@ config SH_TITAN
 	bool "TITAN"
 	depends on CPU_SUBTYPE_SH7751R
 	select CPU_HAS_IPR_IRQ
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	help
 	  Select Titan if you are configuring for a Nimble Microsystems
 	  NetEngine NP51R.
@@ -325,7 +325,7 @@ config SH_SHMIN
 config SH_LBOX_RE2
 	bool "L-BOX RE2"
 	depends on CPU_SUBTYPE_SH7751R
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	help
 	  Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
 
@@ -346,7 +346,7 @@ config SH_MAGIC_PANEL_R2
 config SH_CAYMAN
 	bool "Hitachi Cayman"
 	depends on CPU_SUBTYPE_SH5_101 || CPU_SUBTYPE_SH5_103
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	select ARCH_MIGHT_HAVE_PC_SERIO
 
 config SH_POLARIS
@@ -380,7 +380,7 @@ config SH_APSH4A3A
 config SH_APSH4AD0A
 	bool "AP-SH4AD-0A"
 	select SH_ALPHA_BOARD
-	select SYS_SUPPORTS_PCI
+	select HAVE_PCI
 	select REGULATOR_FIXED_VOLTAGE if REGULATOR
 	depends on CPU_SUBTYPE_SH7786
 	help