[PATCH 9/9] eisa: consolidate EISA Kconfig entry in drivers/eisa

From: Christoph Hellwig
Date: Fri Oct 19 2018 - 08:10:49 EST

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Let architectures opt into EISA support by selecting HAS_EISA and
handle everything else in drivers/eisa.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/alpha/Kconfig | 15 ++++++++-------
arch/mips/Kconfig | 31 +++++--------------------------
arch/powerpc/Kconfig | 3 ---
arch/x86/Kconfig | 19 +------------------
drivers/Kconfig | 1 +
drivers/eisa/Kconfig | 21 ++++++++++++++++++++-
drivers/parisc/Kconfig | 11 +----------
7 files changed, 36 insertions(+), 65 deletions(-)

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 96f02268ea16..b723cd8ee6fb 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -128,11 +128,13 @@ choice
config ALPHA_GENERIC
bool "Generic"
depends on TTY
+ select HAVE_EISA
help
A generic kernel will run on all supported Alpha hardware.

config ALPHA_ALCOR
bool "Alcor/Alpha-XLT"
+ select HAVE_EISA
help
For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
@@ -206,6 +208,7 @@ config ALPHA_JENSEN
bool "Jensen"
depends on BROKEN
select DMA_DIRECT_OPS
+ select HAVE_EISA
help
DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
of the first-generation Alpha systems. A number of these systems
@@ -222,6 +225,7 @@ config ALPHA_LX164

config ALPHA_LYNX
bool "Lynx"
+ select HAVE_EISA
help
AlphaServer 2100A-based systems.

@@ -232,6 +236,7 @@ config ALPHA_MARVEL

config ALPHA_MIATA
bool "Miata"
+ select HAVE_EISA
help
The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
or 600au).
@@ -251,6 +256,7 @@ config ALPHA_NONAME_CH

config ALPHA_NORITAKE
bool "Noritake"
+ select HAVE_EISA
help
AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
systems.
@@ -263,6 +269,7 @@ config ALPHA_P2K

config ALPHA_RAWHIDE
bool "Rawhide"
+ select HAVE_EISA
help
AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
See HOWTO at
@@ -282,6 +289,7 @@ config ALPHA_SX164

config ALPHA_SABLE
bool "Sable"
+ select HAVE_EISA
help
Digital AlphaServer 2000 and 2100-based systems.

@@ -518,11 +526,6 @@ config ALPHA_SRM

If unsure, say N.

-config EISA
- bool
- depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
- default y
-
config ARCH_MAY_HAVE_PC_FDC
def_bool y

@@ -673,8 +676,6 @@ config HZ
default 1200 if HZ_1200
default 1024

-source "drivers/eisa/Kconfig"
-
config SRM_ENV
tristate "SRM environment through procfs"
depends on PROC_FS
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 96198f8375e1..7cf58031a43e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -23,6 +23,7 @@ config MIPS
select GENERIC_CPU_AUTOPROBE
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
+ select GENERIC_ISA_DMA if EISA
select GENERIC_LIB_ASHLDI3
select GENERIC_LIB_ASHRDI3
select GENERIC_LIB_CMPDI2
@@ -72,6 +73,7 @@ config MIPS
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
select IRQ_FORCED_THREADING
+ select ISA if EISA
select MODULES_USE_ELF_RELA if MODULES && 64BIT
select MODULES_USE_ELF_REL if MODULES
select PCI_DOMAINS if PCI
@@ -634,7 +636,7 @@ config SGI_IP22
select CSRC_R4K
select DEFAULT_SGI_PARTITION
select DMA_NONCOHERENT
- select HW_HAS_EISA
+ select HAVE_EISA
select I8253
select I8259
select IP22_CPU_SCACHE
@@ -699,7 +701,7 @@ config SGI_IP28
select DMA_NONCOHERENT
select GENERIC_ISA_DMA_SUPPORT_BROKEN
select IRQ_MIPS_CPU
- select HW_HAS_EISA
+ select HAVE_EISA
select I8253
select I8259
select SGI_HAS_I8042
@@ -842,8 +844,8 @@ config SNI_RM
select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
select DMA_NONCOHERENT
select GENERIC_ISA_DMA
+ select HAVE_EISA
select HAVE_PCSPKR_PLATFORM
- select HW_HAS_EISA
select HAVE_PCI
select IRQ_MIPS_CPU
select I8253
@@ -2991,9 +2993,6 @@ config MIPS_AUTO_PFN_OFFSET

menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"

-config HW_HAS_EISA
- bool
-
config HT_PCI
bool "Support for HT-linked PCI"
default y
@@ -3027,26 +3026,6 @@ config PCI_DRIVERS_LEGACY
config ISA
bool

-config EISA
- bool "EISA support"
- depends on HW_HAS_EISA
- select ISA
- select GENERIC_ISA_DMA
- ---help---
- The Extended Industry Standard Architecture (EISA) bus was
- developed as an open alternative to the IBM MicroChannel bus.
-
- The EISA bus provided some of the features of the IBM MicroChannel
- bus while maintaining backward compatibility with cards made for
- the older ISA bus. The EISA bus saw limited use between 1988 and
- 1995 when it was made obsolete by the PCI bus.
-
- Say Y here if you are building a kernel for an EISA-based machine.
-
- Otherwise, say N.
-
-source "drivers/eisa/Kconfig"
-
config TC
bool "TURBOchannel support"
depends on MACH_DECSTATION
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 6b29c27770db..f3ec13765639 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -900,9 +900,6 @@ config PPC_INDIRECT_PCI
default y if 40x || 44x
default n

-config EISA
- bool
-
config SBUS
bool

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 6fe3740018f6..c9f9f62700d8 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -144,6 +144,7 @@ config X86
select HAVE_DYNAMIC_FTRACE_WITH_REGS
select HAVE_EBPF_JIT
select HAVE_EFFICIENT_UNALIGNED_ACCESS
+ select HAVE_EISA
select HAVE_EXIT_THREAD
select HAVE_FENTRY if X86_64 || DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD
@@ -2680,24 +2681,6 @@ config ISA
(MCA) or VESA. ISA is an older system, now being displaced by PCI;
newer boards don't support it. If you have ISA, say Y, otherwise N.

-config EISA
- bool "EISA support"
- depends on ISA
- ---help---
- The Extended Industry Standard Architecture (EISA) bus was
- developed as an open alternative to the IBM MicroChannel bus.
-
- The EISA bus provided some of the features of the IBM MicroChannel
- bus while maintaining backward compatibility with cards made for
- the older ISA bus. The EISA bus saw limited use between 1988 and
- 1995 when it was made obsolete by the PCI bus.
-
- Say Y here if you are building a kernel for an EISA-based machine.
-
- Otherwise, say N.
-
-source "drivers/eisa/Kconfig"
-
config SCx200
tristate "NatSemi SCx200 support"
---help---
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 065d308fcb00..ea58a6b99288 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -4,6 +4,7 @@ menu "Device Drivers"
# Keep I/O buses first

source "drivers/amba/Kconfig"
+source "drivers/eisa/Kconfig"
source "drivers/pci/Kconfig"
source "drivers/pcmcia/Kconfig"
source "drivers/rapidio/Kconfig"
diff --git a/drivers/eisa/Kconfig b/drivers/eisa/Kconfig
index 2705284f6223..4570e3bca42c 100644
--- a/drivers/eisa/Kconfig
+++ b/drivers/eisa/Kconfig
@@ -1,6 +1,26 @@
#
# EISA configuration
#
+
+config HAVE_EISA
+ bool
+
+menuconfig EISA
+ bool "EISA support"
+ depends on HAVE_EISA
+ ---help---
+ The Extended Industry Standard Architecture (EISA) bus was
+ developed as an open alternative to the IBM MicroChannel bus.
+
+ The EISA bus provided some of the features of the IBM MicroChannel
+ bus while maintaining backward compatibility with cards made for
+ the older ISA bus. The EISA bus saw limited use between 1988 and
+ 1995 when it was made obsolete by the PCI bus.
+
+ Say Y here if you are building a kernel for an EISA-based machine.
+
+ Otherwise, say N.
+
config EISA_VLB_PRIMING
bool "Vesa Local Bus priming"
depends on X86 && EISA
@@ -53,4 +73,3 @@ config EISA_NAMES
names.

When in doubt, say Y.
-
diff --git a/drivers/parisc/Kconfig b/drivers/parisc/Kconfig
index 1a55763d1245..74e119adca01 100644
--- a/drivers/parisc/Kconfig
+++ b/drivers/parisc/Kconfig
@@ -2,6 +2,7 @@ menu "Bus options (PCI, PCMCIA, EISA, GSC, ISA)"

config GSC
bool "VSC/GSC/HSC bus support"
+ select HAVE_EISA
default y
help
The VSC, GSC and HSC busses were used from the earliest 700-series
@@ -46,16 +47,6 @@ config GSC_WAX
used), a HIL interface chip and is also known to be used as the
GSC bridge for an X.25 GSC card.

-config EISA
- bool "EISA support"
- depends on GSC
- help
- Say Y here if you have an EISA bus in your machine. This code
- supports both the Mongoose & Wax EISA adapters. It is sadly
- incomplete and lacks support for card-to-host DMA.
-
-source "drivers/eisa/Kconfig"
-
config ISA
bool "ISA support"
depends on EISA
--
2.19.1

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