On Thu, Dec 03, 2020 at 11:33:42PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> clang produces a build failure in configurations without COMMON_CLK
> when a timeout calculation goes wrong:
>
> arm-linux-gnueabi-ld: drivers/watchdog/coh901327_wdt.o: in function `coh901327_enable':
> coh901327_wdt.c:(.text+0x50): undefined reference to `__bad_udelay'
>
> Add a Kconfig dependency to only do build testing when COMMON_CLK
> is enabled.
>
> Fixes: da2a68b3eb47 ("watchdog: Enable COMPILE_TEST where possible")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/watchdog/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index 8bdbd125821b..32fa6de7b820 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -631,7 +631,7 @@ config SUNXI_WATCHDOG
>
> config COH901327_WATCHDOG
> bool "ST-Ericsson COH 901 327 watchdog"
> - depends on ARCH_U300 || (ARM && COMPILE_TEST)
> + depends on ARCH_U300 || (ARM && COMMON_CLK && COMPILE_TEST)
> default y if MACH_U300
> select WATCHDOG_CORE
> help
> --
> 2.27.0
>
