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watchdog: menf21bmc: add I2C dependency
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This driver fails to link when CONFIG_I2C is disabled or a loadable module while
the watchdog is built-in:

drivers/watchdog/built-in.o: In function `menf21bmc_wdt_shutdown':
menf21bmc_wdt.c:(.text+0x9b44): undefined reference to `i2c_smbus_write_word_data'
menf21bmc_wdt.c:(.text+0x9b44): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `i2c_smbus_write_word_data'

This adds a Kconfig dependency for it, to enforce a valid configuration.

Fixes: da2a68b ("watchdog: Enable COMPILE_TEST where possible")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Arnd Bergmann authored and Guenter Roeck committed Mar 1, 2017
1 parent 0369fdf commit 6fb303a
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Original file line number Diff line number Diff line change
Expand Up @@ -142,6 +142,7 @@ config GPIO_WATCHDOG_ARCH_INITCALL
config MENF21BMC_WATCHDOG
tristate "MEN 14F021P00 BMC Watchdog"
depends on MFD_MENF21BMC || COMPILE_TEST
depends on I2C
select WATCHDOG_CORE
help
Say Y here to include support for the MEN 14F021P00 BMC Watchdog.
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