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mtd: fixup CFI on ixp4xx

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commit 603362b4a58393061dcfed1c7f0d0fd4aba61126 upstream.

drivers/mtd/maps/ixp4xx.c requires MTD_CFI_BE_BYTE_SWAP to be set
in order to compile.

drivers/mtd/maps/ixp4xx.c:57:4: error: #error CONFIG_MTD_CFI_BE_BYTE_SWAP required

This patch avoids the #error output by enforcing the policy in
Kconfig. Not sure if this is the right approach, but it helps doing
randconfig builds.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210927141045.1597593-1-arnd@kernel.org
Cc: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2021-09-27 16:10:37 +02:00 committed by Greg Kroah-Hartman
parent f50803b519
commit bed97c9036
2 changed files with 3 additions and 1 deletions
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2
drivers/mtd/chips/Kconfig
View File

@ -55,12 +55,14 @@ choice
LITTLE_ENDIAN_BYTE, if the bytes are reversed.
config MTD_CFI_NOSWAP
depends on !ARCH_IXP4XX || CPU_BIG_ENDIAN
bool "NO"
config MTD_CFI_BE_BYTE_SWAP
bool "BIG_ENDIAN_BYTE"
config MTD_CFI_LE_BYTE_SWAP
depends on !ARCH_IXP4XX
bool "LITTLE_ENDIAN_BYTE"
endchoice

2
drivers/mtd/maps/Kconfig
View File

@ -325,7 +325,7 @@ config MTD_DC21285
config MTD_IXP4XX
tristate "CFI Flash device mapped on Intel IXP4xx based systems"
depends on MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP4XX
depends on MTD_CFI && MTD_COMPLEX_MAPPINGS && ARCH_IXP4XX && MTD_CFI_ADV_OPTIONS
help
This enables MTD access to flash devices on platforms based
on Intel's IXP4xx family of network processors such as the