Commit:     928923c76b393e38e5ba1d47e843e208ceef6cf9
Parent:     2301060e2b19aa4830060524ef66abdf32b26a26
Author:     Geert Uytterhoeven <[EMAIL PROTECTED]>
AuthorDate: Wed Aug 22 14:01:36 2007 -0700
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Aug 22 19:52:45 2007 -0700

    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()
    Signed-off-by: Geert Uytterhoeven <[EMAIL PROTECTED]>
    Cc: Jeff Dike <[EMAIL PROTECTED]>
    Cc: Heiko Carstens <[EMAIL PROTECTED]>
    Cc: Roman Zippel <[EMAIL PROTECTED]>
    Cc: Alan Cox <[EMAIL PROTECTED]>
    Cc: Martin Schwidefsky <[EMAIL PROTECTED]>
    Cc: Russell King <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 drivers/block/Kconfig      |    1 +
 drivers/input/misc/Kconfig |    1 +
 drivers/scsi/Kconfig       |    6 ++++++
 lib/Kconfig                |    3 +++
 lib/Makefile               |    3 ++-
 5 files changed, 13 insertions(+), 1 deletions(-)

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index ef32e97..4245b7f 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -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
          Very old 8 bit hard disk controllers used in the IBM XT computer
          will be supported if you say Y here.
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 9b26574..d602b8f 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -68,6 +68,7 @@ config INPUT_WISTRON_BTNS
        select INPUT_POLLDEV
        select NEW_LEDS
        select LEDS_CLASS
+       select CHECK_SIGNATURE
          Say Y here for support of Winstron laptop button interface, used on
          laptops of various brands, including Acer and Fujitsu-Siemens. If
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index a50b955..6f2c71e 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -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
          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
          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
          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
        tristate "Future Domain 16xx SCSI/AHA-2920A support"
        depends on (ISA || PCI) && SCSI
+       select CHECK_SIGNATURE
          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
        tristate "Seagate ST-02 and Future Domain TMC-8xx SCSI support"
        depends on X86 && ISA && SCSI
+       select CHECK_SIGNATURE
          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
          This is support for a SCSI host adapter. It is explained in section
          3.11 of the SCSI-HOWTO, available from
diff --git a/lib/Kconfig b/lib/Kconfig
index e5c2c51..ba3d104 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -138,4 +138,7 @@ config HAS_DMA
        depends on !NO_DMA
        default y
+       bool
diff --git a/lib/Makefile b/lib/Makefile
index d9e5f1c..6b0ba8c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -21,7 +21,8 @@ CFLAGS_kobject_uevent.o += -DDEBUG
 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
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