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-rw-r--r--lib/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 43359bb1ca90..4a8aba2e5cc0 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -29,6 +29,10 @@ config GENERIC_IOMAP
bool
select GENERIC_PCI_IOMAP
+config GENERIC_IO
+ boolean
+ default n
+
config CRC_CCITT
tristate "CRC-CCITT functions"
help
@@ -84,6 +88,10 @@ choice
prompt "CRC32 implementation"
depends on CRC32
default CRC32_SLICEBY8
+ help
+ This option allows a kernel builder to override the default choice
+ of CRC32 algorithm. Choose the default ("slice by 8") unless you
+ know that you need one of the others.
config CRC32_SLICEBY8
bool "Slice by 8 bytes"
@@ -277,6 +285,7 @@ config BTREE
config HAS_IOMEM
boolean
depends on !NO_IOMEM
+ select GENERIC_IO
default y
config HAS_IOPORT