From: Arnd Bergmann Date: Fri, 25 May 2018 16:04:54 +0000 (+0200) Subject: pwm: stm32: Enforce dependency on CONFIG_MFD_STM32_TIMERS X-Git-Tag: v4.18-rc1~26^2~2 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=d968e5041fefbc7c4d545cabbc692b11cc49050d;p=uclinux-h8%2Flinux.git pwm: stm32: Enforce dependency on CONFIG_MFD_STM32_TIMERS When compile-testing the PWM driver without also enabling the stm32_timers MFD, we run into a link error: drivers/pwm/pwm-stm32.o: In function `stm32_pwm_raw_capture.isra.6': pwm-stm32.c:(.text+0xcb0): undefined reference to `stm32_timers_dma_burst_read' We don't need the '|| COMPILE_TEST' here, since stm32_timers itself can be built with CONFIG_COMPILE_TEST on all architectures, so we do get the coverage through allmodconfig and randconfig builds even when we make it a hard dependency. Fixes: 7edf7369205b ("pwm: Add driver for STM32 plaftorm") Signed-off-by: Arnd Bergmann Signed-off-by: Thierry Reding --- diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index 4635cb35008c..a4d262db9945 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -401,7 +401,7 @@ config PWM_STI config PWM_STM32 tristate "STMicroelectronics STM32 PWM" - depends on MFD_STM32_TIMERS || COMPILE_TEST + depends on MFD_STM32_TIMERS help Generic PWM framework driver for STM32 SoCs.