v1 -> v2: Because of imx_watchdog.c driver not supports all layerscape SoCs, change to build imx_watchdog.o only when enable IMX_WATCHDOG for fsl-lsch2 SoCs. Add IMX_WATCHDOG in drivers/watchdog/Kconfig. Changes in v2: drivers/watchdog/Kconfig | 6 ++++++ drivers/watchdog/Makefile | 2 ++