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>

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
@@ -72,89 +73,85 @@ 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
 	  the size of the kernel by including support for only certain
 	  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