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>

diff --git a/drivers/mtd/chips/Kconfig b/drivers/mtd/chips/Kconfig
index 35c6a23..baac353 100644 (file)
--- a/drivers/mtd/chips/Kconfig
+++ b/drivers/mtd/chips/Kconfig
@@ -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