Commit 432dc821 authored by H Hartley Sweeten's avatar H Hartley Sweeten Committed by David Woodhouse

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: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 0ceacf36
menu "RAM/ROM/Flash chip drivers" menu "RAM/ROM/Flash chip drivers"
depends on MTD!=n
config MTD_CFI config MTD_CFI
tristate "Detect flash chips by Common Flash Interface (CFI) probe" tristate "Detect flash chips by Common Flash Interface (CFI) probe"
...@@ -27,9 +26,10 @@ config MTD_JEDECPROBE ...@@ -27,9 +26,10 @@ config MTD_JEDECPROBE
config MTD_GEN_PROBE config MTD_GEN_PROBE
tristate tristate
if MTD_GEN_PROBE
config MTD_CFI_ADV_OPTIONS config MTD_CFI_ADV_OPTIONS
bool "Flash chip driver advanced configuration options" bool "Flash chip driver advanced configuration options"
depends on MTD_GEN_PROBE
help help
If you need to specify a specific endianness for access to flash 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 chips, or if you wish to reduce the size of the kernel by including
...@@ -39,9 +39,10 @@ config MTD_CFI_ADV_OPTIONS ...@@ -39,9 +39,10 @@ config MTD_CFI_ADV_OPTIONS
If unsure, say 'N'. If unsure, say 'N'.
if MTD_CFI_ADV_OPTIONS
choice choice
prompt "Flash cmd/query data swapping" prompt "Flash cmd/query data swapping"
depends on MTD_CFI_ADV_OPTIONS
default MTD_CFI_NOSWAP default MTD_CFI_NOSWAP
config MTD_CFI_NOSWAP config MTD_CFI_NOSWAP
...@@ -72,7 +73,6 @@ endchoice ...@@ -72,7 +73,6 @@ endchoice
config MTD_CFI_GEOMETRY config MTD_CFI_GEOMETRY
bool "Specific CFI Flash geometry selection" bool "Specific CFI Flash geometry selection"
depends on MTD_CFI_ADV_OPTIONS
help help
This option does not affect the code directly, but will enable This option does not affect the code directly, but will enable
some other configuration options which would allow you to reduce some other configuration options which would allow you to reduce
...@@ -80,81 +80,78 @@ config MTD_CFI_GEOMETRY ...@@ -80,81 +80,78 @@ config MTD_CFI_GEOMETRY
arrangements of CFI chips. If unsure, say 'N' and all options arrangements of CFI chips. If unsure, say 'N' and all options
which are supported by the current code will be enabled. which are supported by the current code will be enabled.
if MTD_CFI_GEOMETRY
config MTD_MAP_BANK_WIDTH_1 config MTD_MAP_BANK_WIDTH_1
bool "Support 8-bit buswidth" if MTD_CFI_GEOMETRY bool "Support 8-bit buswidth"
default y default y
help help
If you wish to support CFI devices on a physical bus which is If you wish to support CFI devices on a physical bus which is
8 bits wide, say 'Y'. 8 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_2 config MTD_MAP_BANK_WIDTH_2
bool "Support 16-bit buswidth" if MTD_CFI_GEOMETRY bool "Support 16-bit buswidth"
default y default y
help help
If you wish to support CFI devices on a physical bus which is If you wish to support CFI devices on a physical bus which is
16 bits wide, say 'Y'. 16 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_4 config MTD_MAP_BANK_WIDTH_4
bool "Support 32-bit buswidth" if MTD_CFI_GEOMETRY bool "Support 32-bit buswidth"
default y default y
help help
If you wish to support CFI devices on a physical bus which is If you wish to support CFI devices on a physical bus which is
32 bits wide, say 'Y'. 32 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_8 config MTD_MAP_BANK_WIDTH_8
bool "Support 64-bit buswidth" if MTD_CFI_GEOMETRY bool "Support 64-bit buswidth"
default n
help help
If you wish to support CFI devices on a physical bus which is If you wish to support CFI devices on a physical bus which is
64 bits wide, say 'Y'. 64 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_16 config MTD_MAP_BANK_WIDTH_16
bool "Support 128-bit buswidth" if MTD_CFI_GEOMETRY bool "Support 128-bit buswidth"
default n
help help
If you wish to support CFI devices on a physical bus which is If you wish to support CFI devices on a physical bus which is
128 bits wide, say 'Y'. 128 bits wide, say 'Y'.
config MTD_MAP_BANK_WIDTH_32 config MTD_MAP_BANK_WIDTH_32
bool "Support 256-bit buswidth" if MTD_CFI_GEOMETRY bool "Support 256-bit buswidth"
default n
help help
If you wish to support CFI devices on a physical bus which is If you wish to support CFI devices on a physical bus which is
256 bits wide, say 'Y'. 256 bits wide, say 'Y'.
config MTD_CFI_I1 config MTD_CFI_I1
bool "Support 1-chip flash interleave" if MTD_CFI_GEOMETRY bool "Support 1-chip flash interleave"
default y default y
help help
If your flash chips are not interleaved - i.e. you only have one If your flash chips are not interleaved - i.e. you only have one
flash chip addressed by each bus cycle, then say 'Y'. flash chip addressed by each bus cycle, then say 'Y'.
config MTD_CFI_I2 config MTD_CFI_I2
bool "Support 2-chip flash interleave" if MTD_CFI_GEOMETRY bool "Support 2-chip flash interleave"
default y default y
help help
If your flash chips are interleaved in pairs - i.e. you have two If your flash chips are interleaved in pairs - i.e. you have two
flash chips addressed by each bus cycle, then say 'Y'. flash chips addressed by each bus cycle, then say 'Y'.
config MTD_CFI_I4 config MTD_CFI_I4
bool "Support 4-chip flash interleave" if MTD_CFI_GEOMETRY bool "Support 4-chip flash interleave"
default n
help help
If your flash chips are interleaved in fours - i.e. you have four If your flash chips are interleaved in fours - i.e. you have four
flash chips addressed by each bus cycle, then say 'Y'. flash chips addressed by each bus cycle, then say 'Y'.
config MTD_CFI_I8 config MTD_CFI_I8
bool "Support 8-chip flash interleave" if MTD_CFI_GEOMETRY bool "Support 8-chip flash interleave"
default n
help help
If your flash chips are interleaved in eights - i.e. you have eight If your flash chips are interleaved in eights - i.e. you have eight
flash chips addressed by each bus cycle, then say 'Y'. flash chips addressed by each bus cycle, then say 'Y'.
endif # MTD_CFI_GEOMETRY
config MTD_OTP config MTD_OTP
bool "Protection Registers aka one-time programmable (OTP) bits" bool "Protection Registers aka one-time programmable (OTP) bits"
depends on MTD_CFI_ADV_OPTIONS
select HAVE_MTD_OTP select HAVE_MTD_OTP
default n
help help
This enables support for reading, writing and locking so called This enables support for reading, writing and locking so called
"Protection Registers" present on some flash chips. "Protection Registers" present on some flash chips.
...@@ -176,9 +173,10 @@ config MTD_OTP ...@@ -176,9 +173,10 @@ config MTD_OTP
This feature should therefore be used with extreme care. Any mistake This feature should therefore be used with extreme care. Any mistake
in the programming of OTP bits will waste them. in the programming of OTP bits will waste them.
endif # MTD_CFI_ADV_OPTIONS
config MTD_CFI_INTELEXT config MTD_CFI_INTELEXT
tristate "Support for Intel/Sharp flash chips" tristate "Support for Intel/Sharp flash chips"
depends on MTD_GEN_PROBE
select MTD_CFI_UTIL select MTD_CFI_UTIL
help help
The Common Flash Interface defines a number of different command The Common Flash Interface defines a number of different command
...@@ -188,7 +186,6 @@ config MTD_CFI_INTELEXT ...@@ -188,7 +186,6 @@ config MTD_CFI_INTELEXT
config MTD_CFI_AMDSTD config MTD_CFI_AMDSTD
tristate "Support for AMD/Fujitsu/Spansion flash chips" tristate "Support for AMD/Fujitsu/Spansion flash chips"
depends on MTD_GEN_PROBE
select MTD_CFI_UTIL select MTD_CFI_UTIL
help help
The Common Flash Interface defines a number of different command The Common Flash Interface defines a number of different command
...@@ -198,13 +195,14 @@ config MTD_CFI_AMDSTD ...@@ -198,13 +195,14 @@ config MTD_CFI_AMDSTD
config MTD_CFI_STAA config MTD_CFI_STAA
tristate "Support for ST (Advanced Architecture) flash chips" tristate "Support for ST (Advanced Architecture) flash chips"
depends on MTD_GEN_PROBE
select MTD_CFI_UTIL select MTD_CFI_UTIL
help help
The Common Flash Interface defines a number of different command The Common Flash Interface defines a number of different command
sets which a CFI-compliant chip may claim to implement. This code sets which a CFI-compliant chip may claim to implement. This code
provides support for one of those command sets. provides support for one of those command sets.
endif # MTD_GEN_PROBE
config MTD_CFI_UTIL config MTD_CFI_UTIL
tristate tristate
......
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