Commit da2a68b3eb47 ("watchdog: Enable COMPILE_TEST where possible") enabled building the Indy watchdog driver when COMPILE_TEST is enabled. However, the driver makes reference to symbols that are only defined for certain platforms are selected in the config. These platforms select SGI_HAS_INDYDOG. Without this, link time errors result, for example when building a MIPS allyesconfig.

drivers/watchdog/indydog.o: In function `indydog_write': indydog.c:(.text+0x18): undefined reference to `sgimc' indydog.c:(.text+0x1c): undefined reference to `sgimc' drivers/watchdog/indydog.o: In function `indydog_start': indydog.c:(.text+0x54): undefined reference to `sgimc' indydog.c:(.text+0x58): undefined reference to `sgimc' drivers/watchdog/indydog.o: In function `indydog_stop': indydog.c:(.text+0xa4): undefined reference to `sgimc' drivers/watchdog/indydog.o:indydog.c:(.text+0xa8): more undefined references to `sgimc' follow make: *** [Makefile:1005: vmlinux] Error 1

Fix this by ensuring that CONFIG_INDIDOG can only be selected when the necessary dependent platform symbols are built in.

Fixes: da2a68b3eb47 ("watchdog: Enable COMPILE_TEST where possible") Signed-off-by: Matt Redfearn matt.redfearn@mips.com Cc: stable@vger.kernel.org # 4.11 + ---

drivers/watchdog/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index ca200d1f310a..d96e2e7544fc 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -1451,7 +1451,7 @@ config RC32434_WDT

config INDYDOG tristate "Indy/I2 Hardware Watchdog" - depends on SGI_HAS_INDYDOG || (MIPS && COMPILE_TEST) + depends on SGI_HAS_INDYDOG || (MIPS && COMPILE_TEST && SGI_HAS_INDYDOG) help Hardware driver for the Indy's/I2's watchdog. This is a watchdog timer that will reboot the machine after a 60 second