diff options
| author | Fabrice Gasnier <fabrice.gasnier@st.com> | 2018-05-18 18:24:03 +0300 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2018-06-04 09:14:17 +0300 |
| commit | d95c9760d9c8e046b09b54a3bb6dd0c9aa7a0eff (patch) | |
| tree | d250d277f3d9d23e2a01c1b714fe5440e499d392 | |
| parent | a3b51be3cdac4844b2d8bb7c4dad95e191a05697 (diff) | |
| download | linux-d95c9760d9c8e046b09b54a3bb6dd0c9aa7a0eff.tar.xz | |
mfd: stm32-timers: Fix pwm-stm32 linker issue with COMPILE_TEST
This is seen when COMPILE_TEST=y and MFD_STM32_TIMERS=n.
drivers/pwm/pwm-stm32.o: In function 'stm32_pwm_raw_capture':
pwm-stm32.c:... undefined reference to 'stm32_timers_dma_burst_read'
Fixes: 0c6609805b63 ("mfd: stm32-timers: Add support for DMAs")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
| -rw-r--r-- | include/linux/mfd/stm32-timers.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mfd/stm32-timers.h b/include/linux/mfd/stm32-timers.h index 9da1d7ece079..067d14655c28 100644 --- a/include/linux/mfd/stm32-timers.h +++ b/include/linux/mfd/stm32-timers.h @@ -124,8 +124,20 @@ struct stm32_timers { struct stm32_timers_dma dma; /* Only to be used by the parent */ }; +#if IS_REACHABLE(CONFIG_MFD_STM32_TIMERS) int stm32_timers_dma_burst_read(struct device *dev, u32 *buf, enum stm32_timers_dmas id, u32 reg, unsigned int num_reg, unsigned int bursts, unsigned long tmo_ms); +#else +static inline int stm32_timers_dma_burst_read(struct device *dev, u32 *buf, + enum stm32_timers_dmas id, + u32 reg, + unsigned int num_reg, + unsigned int bursts, + unsigned long tmo_ms) +{ + return -ENODEV; +} +#endif #endif |