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mtd: nand: Force omap_elm to be built as a module if omap2_nand is a module

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This commit adds a hidden option to build the omap_elm as a module, if
omap2_nand is a module (and similarly in the built-in case).

This fixes the following build error when omap2_nand is chosen built-in,
and omap_elm is chosen as a module:

drivers/built-in.o: In function `omap_nand_probe':
drivers/mtd/nand/omap2.c:2010: undefined reference to `elm_config'
drivers/mtd/nand/omap2.c:1980: undefined reference to `elm_config'
drivers/mtd/nand/omap2.c:1927: undefined reference to `elm_config'
drivers/built-in.o: In function `omap_elm_correct_data':
drivers/mtd/nand/omap2.c:1444: undefined reference to `elm_decode_bch_error_page'

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Ezequiel Garcia 2014-10-01 14:33:29 +03:00 committed by Brian Norris
parent 32f1b7c835
commit e7cd6824fd
2 changed files with 5 additions and 2 deletions
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5
drivers/mtd/nand/Kconfig
View File

@ -96,7 +96,7 @@ config MTD_NAND_OMAP2
config MTD_NAND_OMAP_BCH
depends on MTD_NAND_OMAP2
tristate "Support hardware based BCH error correction"
bool "Support hardware based BCH error correction"
default n
select BCH
help
@ -106,6 +106,9 @@ config MTD_NAND_OMAP_BCH
legacy OMAP families like OMAP2xxx, OMAP3xxx do not have ELM engine
so they should not enable this config symbol.
config MTD_NAND_OMAP_BCH_BUILD
def_tristate MTD_NAND_OMAP2 && MTD_NAND_OMAP_BCH
config MTD_NAND_IDS
tristate

2
drivers/mtd/nand/Makefile
View File

@ -27,7 +27,7 @@ obj-$(CONFIG_MTD_NAND_NDFC) += ndfc.o
obj-$(CONFIG_MTD_NAND_ATMEL) += atmel_nand.o
obj-$(CONFIG_MTD_NAND_GPIO) += gpio.o
obj-$(CONFIG_MTD_NAND_OMAP2) += omap2.o
obj-$(CONFIG_MTD_NAND_OMAP_BCH) += omap_elm.o
obj-$(CONFIG_MTD_NAND_OMAP_BCH_BUILD) += omap_elm.o
obj-$(CONFIG_MTD_NAND_CM_X270) += cmx270_nand.o
obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx_nand.o
obj-$(CONFIG_MTD_NAND_TMIO) += tmio_nand.o