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>

1 files changed, 15 insertions, 29 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7d28c9dd75d0..01be35aeffad 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -73,6 +73,7 @@ config MIPS
 	select IRQ_FORCED_THREADING
 	select MODULES_USE_ELF_RELA if MODULES && 64BIT
 	select MODULES_USE_ELF_REL if MODULES
+	select PCI_DOMAINS if PCI
 	select PERF_USE_VMALLOC
 	select RTC_LIB
 	select SYSCTL_EXCEPTION_TRACE
@@ -95,7 +96,7 @@ config MIPS_GENERIC
 	select CPU_MIPSR2_IRQ_EI
 	select CSRC_R4K
 	select DMA_PERDEV_COHERENT
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select IRQ_MIPS_CPU
 	select LIBFDT
 	select MIPS_AUTO_PFN_OFFSET
@@ -256,7 +257,7 @@ config BCM47XX
 	select CEVT_R4K
 	select CSRC_R4K
 	select DMA_NONCOHERENT
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select IRQ_MIPS_CPU
 	select SYS_HAS_CPU_MIPS32_R1
 	select NO_EXCEPT_FILL
@@ -299,13 +300,12 @@ config MIPS_COBALT
 	select CSRC_R4K
 	select CEVT_GT641XX
 	select DMA_NONCOHERENT
-	select HW_HAS_PCI
+	select FORCE_PCI
 	select I8253
 	select I8259
 	select IRQ_MIPS_CPU
 	select IRQ_GT641XX
 	select PCI_GT64XXX_PCI0
-	select PCI
 	select SYS_HAS_CPU_NEVADA
 	select SYS_HAS_EARLY_PRINTK
 	select SYS_SUPPORTS_32BIT_KERNEL
@@ -422,7 +422,7 @@ config LASAT
 	select CSRC_R4K
 	select DMA_NONCOHERENT
 	select SYS_HAS_EARLY_PRINTK
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select IRQ_MIPS_CPU
 	select PCI_GT64XXX_PCI0
 	select MIPS_NILE4
@@ -502,7 +502,7 @@ config MIPS_MALTA
 	select HAVE_PCSPKR_PLATFORM
 	select IRQ_MIPS_CPU
 	select MIPS_GIC
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select I8253
 	select I8259
 	select MIPS_BONITO64
@@ -556,7 +556,7 @@ config MACH_PIC32
 config NEC_MARKEINS
 	bool "NEC EMMA2RH Mark-eins board"
 	select SOC_EMMA2RH
-	select HW_HAS_PCI
+	select HAVE_PCI
 	help
 	  This enables support for the NEC Electronics Mark-eins boards.
 
@@ -673,7 +673,7 @@ config SGI_IP27
 	select BOOT_ELF64
 	select DEFAULT_SGI_PARTITION
 	select SYS_HAS_EARLY_PRINTK
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select NR_CPUS_DEFAULT_64
 	select SYS_HAS_CPU_R10000
 	select SYS_SUPPORTS_64BIT_KERNEL
@@ -733,7 +733,7 @@ config SGI_IP32
 	select CEVT_R4K
 	select CSRC_R4K
 	select DMA_NONCOHERENT
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select IRQ_MIPS_CPU
 	select R5000_CPU_SCACHE
 	select RM7000_CPU_SCACHE
@@ -843,7 +843,7 @@ config SNI_RM
 	select GENERIC_ISA_DMA
 	select HAVE_PCSPKR_PLATFORM
 	select HW_HAS_EISA
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select IRQ_MIPS_CPU
 	select I8253
 	select I8259
@@ -876,7 +876,7 @@ config MIKROTIK_RB532
 	select CEVT_R4K
 	select CSRC_R4K
 	select DMA_NONCOHERENT
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select IRQ_MIPS_CPU
 	select SYS_HAS_CPU_MIPS32_R1
 	select SYS_SUPPORTS_32BIT_KERNEL
@@ -903,7 +903,7 @@ config CAVIUM_OCTEON_SOC
 	select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 	select SYS_HAS_CPU_CAVIUM_OCTEON
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select ZONE_DMA32
 	select HOLES_IN_ZONE
 	select GPIOLIB
@@ -936,7 +936,7 @@ config NLM_XLR_BOARD
 	select NLM_COMMON
 	select SYS_HAS_CPU_XLR
 	select SYS_SUPPORTS_SMP
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select SWAP_IO_SPACE
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
@@ -962,7 +962,7 @@ config NLM_XLP_BOARD
 	select NLM_COMMON
 	select SYS_HAS_CPU_XLP
 	select SYS_SUPPORTS_SMP
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select PHYS_ADDR_T_64BIT
@@ -997,7 +997,7 @@ config MIPS_PARAVIRT
 	select SYS_HAS_CPU_MIPS32_R2
 	select SYS_HAS_CPU_MIPS64_R2
 	select SYS_HAS_CPU_CAVIUM_OCTEON
-	select HW_HAS_PCI
+	select HAVE_PCI
 	select SWAP_IO_SPACE
 	help
 	  This option supports guest running under ????
@@ -3027,18 +3027,6 @@ menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
 
 config HW_HAS_EISA
 	bool
-config HW_HAS_PCI
-	bool
-
-config PCI
-	bool "Support for PCI controller"
-	depends on HW_HAS_PCI
-	select PCI_DOMAINS
-	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, or VESA. If you have PCI,
-	  say Y, otherwise N.
 
 config PCI_DOMAINS
 	bool
@@ -3054,8 +3042,6 @@ config PCI_DRIVERS_LEGACY
 	def_bool !PCI_DRIVERS_GENERIC
 	select NO_GENERIC_PCI_IOPORT_MAP
 
-source "drivers/pci/Kconfig"
-
 #
 # ISA support is now enabled via select.  Too many systems still have the one
 # or other ISA chip on the board that users don't know about so don't expect