Introduce CONFIG_CHECK_SIGNATURE

Introduce CONFIG_CHECK_SIGNATURE to control inclusion of check_signature()
and avoid problems on platforms that don't have readb().

Let the few legacy (ISA || PCI || X86) drivers that need check_signature()
select CONFIG_CHECK_SIGNATURE.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2007-08-22 14:01:36 -07:00 committed by Linus Torvalds
parent 2301060e2b
commit 928923c76b
5 changed files with 13 additions and 1 deletions

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@ -68,6 +68,7 @@ config AMIGA_Z2RAM
config BLK_DEV_XD
tristate "XT hard disk support"
depends on ISA && ISA_DMA_API
select CHECK_SIGNATURE
help
Very old 8 bit hard disk controllers used in the IBM XT computer
will be supported if you say Y here.

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@ -68,6 +68,7 @@ config INPUT_WISTRON_BTNS
select INPUT_POLLDEV
select NEW_LEDS
select LEDS_CLASS
select CHECK_SIGNATURE
help
Say Y here for support of Winstron laptop button interface, used on
laptops of various brands, including Acer and Fujitsu-Siemens. If

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@ -367,6 +367,7 @@ config SCSI_3W_9XXX
config SCSI_7000FASST
tristate "7000FASST SCSI support"
depends on ISA && SCSI && ISA_DMA_API
select CHECK_SIGNATURE
help
This driver supports the Western Digital 7000 SCSI host adapter
family. Some information is in the source:
@ -388,6 +389,7 @@ config SCSI_AHA152X
tristate "Adaptec AHA152X/2825 support"
depends on ISA && SCSI && !64BIT
select SCSI_SPI_ATTRS
select CHECK_SIGNATURE
---help---
This is a driver for the AHA-1510, AHA-1520, AHA-1522, and AHA-2825
SCSI host adapters. It also works for the AVA-1505, but the IRQ etc.
@ -583,6 +585,7 @@ config SCSI_DTC3280
tristate "DTC3180/3280 SCSI support"
depends on ISA && SCSI
select SCSI_SPI_ATTRS
select CHECK_SIGNATURE
help
This is support for DTC 3180/3280 SCSI Host Adapters. Please read
the SCSI-HOWTO, available from
@ -657,6 +660,7 @@ config SCSI_EATA_PIO
config SCSI_FUTURE_DOMAIN
tristate "Future Domain 16xx SCSI/AHA-2920A support"
depends on (ISA || PCI) && SCSI
select CHECK_SIGNATURE
---help---
This is support for Future Domain's 16-bit SCSI host adapters
(TMC-1660/1680, TMC-1650/1670, TMC-3260, TMC-1610M/MER/MEX) and
@ -1324,6 +1328,7 @@ config SCSI_LPFC
config SCSI_SEAGATE
tristate "Seagate ST-02 and Future Domain TMC-8xx SCSI support"
depends on X86 && ISA && SCSI
select CHECK_SIGNATURE
---help---
These are 8-bit SCSI controllers; the ST-01 is also supported by
this driver. It is explained in section 3.9 of the SCSI-HOWTO,
@ -1397,6 +1402,7 @@ config SCSI_T128
tristate "Trantor T128/T128F/T228 SCSI support"
depends on ISA && SCSI
select SCSI_SPI_ATTRS
select CHECK_SIGNATURE
---help---
This is support for a SCSI host adapter. It is explained in section
3.11 of the SCSI-HOWTO, available from

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@ -138,4 +138,7 @@ config HAS_DMA
depends on !NO_DMA
default y
config CHECK_SIGNATURE
bool
endmenu

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@ -21,7 +21,8 @@ CFLAGS_kobject_uevent.o += -DDEBUG
endif
obj-$(CONFIG_GENERIC_IOMAP) += iomap.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o check_signature.o
obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o
lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o