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Commit 928923c7 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Linus Torvalds
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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: default avatarGeert 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2301060e

drivers/block/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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.

drivers/input/misc/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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

drivers/scsi/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -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

lib/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -138,4 +138,7 @@ config HAS_DMA 
	depends on !NO_DMA

	default y



config CHECK_SIGNATURE

	bool



endmenu

lib/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -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