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mtd: cleanup Kconfig dependencies 

Remove the MTD!=n dependency since that is handled by drivers/mtd/Kconfig.
Simplify the dependency checks for mtd/chips by using if/endif blocks. Remove
all default n since that is the Kconfig default.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
H Hartley Sweeten 2010-08-19 18:18:21 -07:00 committed by David Woodhouse
parent 0ceacf36e9
commit 432dc821c9
1 changed files with 22 additions and 24 deletions
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46
drivers/mtd/chips/Kconfig
View File

@ -1,5 +1,4 @@
menu "RAM/ROM/Flash chip drivers"
depends on MTD!=n
config MTD_CFI
tristate "Detect flash chips by Common Flash Interface (CFI) probe"
@ -27,9 +26,10 @@ config MTD_JEDECPROBE
config MTD_GEN_PROBE
tristate
if MTD_GEN_PROBE
config MTD_CFI_ADV_OPTIONS
bool "Flash chip driver advanced configuration options"
depends on MTD_GEN_PROBE
help
If you need to specify a specific endianness for access to flash
chips, or if you wish to reduce the size of the kernel by including
@ -39,9 +39,10 @@ config MTD_CFI_ADV_OPTIONS
If unsure, say 'N'.
if MTD_CFI_ADV_OPTIONS
choice
prompt "Flash cmd/query data swapping"
depends on MTD_CFI_ADV_OPTIONS
default MTD_CFI_NOSWAP
config MTD_CFI_NOSWAP
@ -72,7 +73,6 @@ endchoice
config MTD_CFI_GEOMETRY
bool "Specific CFI Flash geometry selection"
depends on MTD_CFI_ADV_OPTIONS
help
This option does not affect the code directly, but will enable
some other configuration options which would allow you to reduce
@ -80,81 +80,78 @@ config MTD_CFI_GEOMETRY
arrangements of CFI chips. If unsure, say 'N' and all options
which are supported by the current code will be enabled.
if MTD_CFI_GEOMETRY
config MTD_MAP_BANK_WIDTH_1
bool "Support 8-bit buswidth" if MTD_CFI_GEOMETRY
bool "Support 8-bit buswidth"
default y
help
If you wish to support CFI devices on a physical bus which is
8 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_2
bool "Support 16-bit buswidth" if MTD_CFI_GEOMETRY
bool "Support 16-bit buswidth"
default y
help
If you wish to support CFI devices on a physical bus which is
16 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_4
bool "Support 32-bit buswidth" if MTD_CFI_GEOMETRY
bool "Support 32-bit buswidth"
default y
help
If you wish to support CFI devices on a physical bus which is
32 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_8
bool "Support 64-bit buswidth" if MTD_CFI_GEOMETRY
default n
bool "Support 64-bit buswidth"
help
If you wish to support CFI devices on a physical bus which is
64 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_16
bool "Support 128-bit buswidth" if MTD_CFI_GEOMETRY
default n
bool "Support 128-bit buswidth"
help
If you wish to support CFI devices on a physical bus which is
128 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_32
bool "Support 256-bit buswidth" if MTD_CFI_GEOMETRY
default n
bool "Support 256-bit buswidth"
help
If you wish to support CFI devices on a physical bus which is
256 bits wide, say 'Y'.
config MTD_CFI_I1
bool "Support 1-chip flash interleave" if MTD_CFI_GEOMETRY
bool "Support 1-chip flash interleave"
default y
help
If your flash chips are not interleaved - i.e. you only have one
flash chip addressed by each bus cycle, then say 'Y'.
config MTD_CFI_I2
bool "Support 2-chip flash interleave" if MTD_CFI_GEOMETRY
bool "Support 2-chip flash interleave"
default y
help
If your flash chips are interleaved in pairs - i.e. you have two
flash chips addressed by each bus cycle, then say 'Y'.
config MTD_CFI_I4
bool "Support 4-chip flash interleave" if MTD_CFI_GEOMETRY
default n
bool "Support 4-chip flash interleave"
help
If your flash chips are interleaved in fours - i.e. you have four
flash chips addressed by each bus cycle, then say 'Y'.
config MTD_CFI_I8
bool "Support 8-chip flash interleave" if MTD_CFI_GEOMETRY
default n
bool "Support 8-chip flash interleave"
help
If your flash chips are interleaved in eights - i.e. you have eight
flash chips addressed by each bus cycle, then say 'Y'.
endif # MTD_CFI_GEOMETRY
config MTD_OTP
bool "Protection Registers aka one-time programmable (OTP) bits"
depends on MTD_CFI_ADV_OPTIONS
select HAVE_MTD_OTP
default n
help
This enables support for reading, writing and locking so called
"Protection Registers" present on some flash chips.
@ -176,9 +173,10 @@ config MTD_OTP
This feature should therefore be used with extreme care. Any mistake
in the programming of OTP bits will waste them.
endif # MTD_CFI_ADV_OPTIONS
config MTD_CFI_INTELEXT
tristate "Support for Intel/Sharp flash chips"
depends on MTD_GEN_PROBE
select MTD_CFI_UTIL
help
The Common Flash Interface defines a number of different command
@ -188,7 +186,6 @@ config MTD_CFI_INTELEXT
config MTD_CFI_AMDSTD
tristate "Support for AMD/Fujitsu/Spansion flash chips"
depends on MTD_GEN_PROBE
select MTD_CFI_UTIL
help
The Common Flash Interface defines a number of different command
@ -198,13 +195,14 @@ config MTD_CFI_AMDSTD
config MTD_CFI_STAA
tristate "Support for ST (Advanced Architecture) flash chips"
depends on MTD_GEN_PROBE
select MTD_CFI_UTIL
help
The Common Flash Interface defines a number of different command
sets which a CFI-compliant chip may claim to implement. This code
provides support for one of those command sets.
endif # MTD_GEN_PROBE
config MTD_CFI_UTIL
tristate