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Message-ID: <201008191728.50871.hartleys@visionengravers.com> Date: Thu, 19 Aug 2010 17:28:50 -0700 From: H Hartley Sweeten <hartleys@...ionengravers.com> To: Linux Kernel <linux-kernel@...r.kernel.org> CC: linux-mtd <linux-mtd@...ts.infradead.org>, <dwmw2@...radead.org>, <dedekind1@...il.com> Subject: [PATCH] mtd/ubi: cleanup and simplify Kconfig Cleanup the Kconfig for UBI by using menuconfig to enable/disable the entire driver. Remove the dependency checks for MTD_UBI and MTD_UBI_DEBUG by wrapping the options in if/endif blocks and remove any redundant checks. Remove all default n since that is the Kconfig default. Change menu "Additional UBI debugging messages" into a comment to remove one menu level. Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com> Cc: David Woodhouse <dwmw2@...radead.org> Cc: Artem Bityutskiy <dedekind1@...il.com> --- diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig index f702a16..3cf193f 100644 --- a/drivers/mtd/ubi/Kconfig +++ b/drivers/mtd/ubi/Kconfig @@ -1,9 +1,5 @@ -menu "UBI - Unsorted block images" - depends on MTD - -config MTD_UBI - tristate "Enable UBI" - depends on MTD +menuconfig MTD_UBI + tristate "Enable UBI - Unsorted block images" select CRC32 help UBI is a software layer above MTD layer which admits of LVM-like @@ -12,11 +8,12 @@ config MTD_UBI capabilities. Please, consult the MTD web site for more details (www.linux-mtd.infradead.org). +if MTD_UBI + config MTD_UBI_WL_THRESHOLD int "UBI wear-leveling threshold" default 4096 range 2 65536 - depends on MTD_UBI help This parameter defines the maximum difference between the highest erase counter value and the lowest erase counter value of eraseblocks @@ -34,7 +31,6 @@ config MTD_UBI_BEB_RESERVE int "Percentage of reserved eraseblocks for bad eraseblocks handling" default 1 range 0 25 - depends on MTD_UBI help If the MTD device admits of bad eraseblocks (e.g. NAND flash), UBI reserves some amount of physical eraseblocks to handle new bad @@ -48,8 +44,6 @@ config MTD_UBI_BEB_RESERVE config MTD_UBI_GLUEBI tristate "MTD devices emulation driver (gluebi)" - default n - depends on MTD_UBI help This option enables gluebi - an additional driver which emulates MTD devices on top of UBI volumes: for each UBI volumes an MTD device is @@ -59,4 +53,5 @@ config MTD_UBI_GLUEBI software. source "drivers/mtd/ubi/Kconfig.debug" -endmenu + +endif # MTD_UBI diff --git a/drivers/mtd/ubi/Kconfig.debug b/drivers/mtd/ubi/Kconfig.debug index 2246f15..d508b78 100644 --- a/drivers/mtd/ubi/Kconfig.debug +++ b/drivers/mtd/ubi/Kconfig.debug @@ -1,94 +1,73 @@ comment "UBI debugging options" - depends on MTD_UBI config MTD_UBI_DEBUG bool "UBI debugging" depends on SYSFS - depends on MTD_UBI select DEBUG_FS select KALLSYMS_ALL help This option enables UBI debugging. +if MTD_UBI_DEBUG + config MTD_UBI_DEBUG_MSG bool "UBI debugging messages" - depends on MTD_UBI_DEBUG - default n help This option enables UBI debugging messages. config MTD_UBI_DEBUG_PARANOID bool "Extra self-checks" - default n - depends on MTD_UBI_DEBUG help This option enables extra checks in UBI code. Note this slows UBI down significantly. config MTD_UBI_DEBUG_DISABLE_BGT bool "Do not enable the UBI background thread" - depends on MTD_UBI_DEBUG - default n help This option switches the background thread off by default. The thread may be also be enabled/disabled via UBI sysfs. config MTD_UBI_DEBUG_EMULATE_BITFLIPS bool "Emulate flash bit-flips" - depends on MTD_UBI_DEBUG - default n help This option emulates bit-flips with probability 1/50, which in turn causes scrubbing. Useful for debugging and stressing UBI. config MTD_UBI_DEBUG_EMULATE_WRITE_FAILURES bool "Emulate flash write failures" - depends on MTD_UBI_DEBUG - default n help This option emulates write failures with probability 1/100. Useful for debugging and testing how UBI handlines errors. config MTD_UBI_DEBUG_EMULATE_ERASE_FAILURES bool "Emulate flash erase failures" - depends on MTD_UBI_DEBUG - default n help This option emulates erase failures with probability 1/100. Useful for debugging and testing how UBI handlines errors. -menu "Additional UBI debugging messages" - depends on MTD_UBI_DEBUG +comment "Additional UBI debugging messages" config MTD_UBI_DEBUG_MSG_BLD bool "Additional UBI initialization and build messages" - default n - depends on MTD_UBI_DEBUG help This option enables detailed UBI initialization and device build debugging messages. config MTD_UBI_DEBUG_MSG_EBA bool "Eraseblock association unit messages" - default n - depends on MTD_UBI_DEBUG help This option enables debugging messages from the UBI eraseblock association unit. config MTD_UBI_DEBUG_MSG_WL bool "Wear-leveling unit messages" - default n - depends on MTD_UBI_DEBUG help This option enables debugging messages from the UBI wear-leveling unit. config MTD_UBI_DEBUG_MSG_IO bool "Input/output unit messages" - default n - depends on MTD_UBI_DEBUG help This option enables debugging messages from the UBI input/output unit. -endmenu # UBI debugging messages +endif # MTD_UBI_DEBUG -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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